diff --git a/JetStreamDriver.js b/JetStreamDriver.js index 21b1639..f0a6da7 100644 --- a/JetStreamDriver.js +++ b/JetStreamDriver.js @@ -963,7 +963,7 @@ class Benchmark { this.preloads = Object.entries(this.plan.preload ?? {}); } - scoreIdentifiers() { + scoreIdentifiers() { const ids = Object.keys(this.allScores()).map(name => this.scoreIdentifier(name)); return ids; } @@ -1908,6 +1908,15 @@ let BENCHMARKS = [ ], tags: ["Default", "Generators"], }), + new DefaultBenchmark({ + name: "threejs", + files: [ + "./threejs/three.js", + "./threejs/benchmark.js", + ], + deterministicRandom: true, + tags: ["Default", "ThreeJs"], + }), // Wasm new WasmEMCCBenchmark({ name: "HashSet-wasm", @@ -2248,7 +2257,7 @@ let BENCHMARKS = [ "./WSL/WTrapError.js", "./WSL/WTypeError.js", "./WSL/WhileLoop.js", - "./WSL/WrapChecker.js", + "./WSL/WrapChecker.js", "./WSL/Test.js", ], tags: ["Default", "WSL"], @@ -2386,7 +2395,7 @@ for (const benchmark of BENCHMARKS) { throw new Error(`Duplicate benchmark with name "${name}}"`); else benchmarksByName.set(name, benchmark); - + for (const tag of benchmark.tags) { if (benchmarksByTag.has(tag)) benchmarksByTag.get(tag).push(benchmark); diff --git a/threejs/benchmark.js b/threejs/benchmark.js new file mode 100644 index 0000000..3a28981 --- /dev/null +++ b/threejs/benchmark.js @@ -0,0 +1,224 @@ +/* + * Copyright (C) 2025 Mozilla. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +const NUM_PARTICLES = 8000; + +const scene = new THREE.Scene(); +scene.background = new THREE.Color(0x111111); + +const camera = new THREE.PerspectiveCamera(75, 1, 0.1, 1000); +const innerHeight = 1080; +const innerWidth = 1920; +camera.position.z = 500; + +const canvas = { + addEventListener() {}, + style: {}, + getContext(kind) { + return { + getExtension(extension) { + if (extension == 'EXT_blend_minmax') { + return {MIN_EXT: 32775, MAX_EXT: 32776} + } + if (extension == 'OES_vertex_array_object') { + return { + createVertexArrayOES() { return 1 }, + bindVertexArrayOES() {}, + deleteVertexArrayOES() {}, + } + } + }, + createTexture() {}, + bindTexture() {}, + texImage2D() {}, + texImage3D() {}, + texParameteri() {}, + uniform1i() {}, + uniform1f() {}, + uniform2f() {}, + uniform3f() {}, + uniform4f() {}, + clearColor() {}, + clear() {}, + clearDepth() {}, + clearStencil() {}, + enable() {}, + disable() {}, + depthFunc() {}, + depthMask() {}, + frontFace() {}, + cullFace() {}, + getContextAttributes() {}, + createBuffer() {}, + createFramebuffer() {}, + bindBuffer() {}, + bufferData() {}, + createProgram() {}, + attachShader() {}, + linkProgram() {}, + useProgram() {}, + getAttribLocation() {}, + getUniformLocation() {}, + createShader() {}, + shaderSource() {}, + compileShader() {}, + getShaderParameter() {}, + getProgramInfoLog() { return "" }, + getShaderInfoLog() { return "" }, + getProgramParameter() {}, + deleteShader() {}, + colorMask() {}, + stencilMask() {}, + createVertexArray() {}, + bindVertexArray() {}, + drawElements() {}, + lineWidth() {}, + drawArrays() {}, + viewport() {}, + getParameter(param) { + if (param == 34930) { return 16 } + if (param == 35660) { return 16 } + if (param == 3379) { return 8192 } + if (param == 36347) { return 1024 } + if (param == 36348) { return 32 } + if (param == 36349) { return 1024 } + if (param == 35661) { return 80 } + if (param == 7938) { return "WebGL 2.0" } + if (param == 3088) { return [0,0,1024,480] } + if (param == 2978) { return [0,0,1024,480] } + }, + MAX_TEXTURE_IMAGE_UNITS: 34930, + MAX_VERTEX_TEXTURE_IMAGE_UNITS: 35660, + MAX_TEXTURE_SIZE: 3379, + MAX_VERTEX_UNIFORM_VECTORS: 36347, + MAX_VARYING_VECTORS: 36348, + MAX_FRAGMENT_UNIFORM_VECTORS: 36349, + MAX_COMBINED_TEXTURE_IMAGE_UNITS: 35661, + VERSION: 7938, + SCISSOR_BOX: 3088, + VIEWPORT: 2978 + } + } +} + +const renderer = new THREE.WebGLRenderer({ + antialias: false, + canvas, + powerPreference: 'low-power', + precision: 'lowp' +}); +renderer.setSize(innerWidth, innerHeight); + +const createGeometryParticle = (size) => { + const visibleHeight = 2 * Math.tan(75 * Math.PI/360) * 500; + const radius = (size / innerHeight) * visibleHeight / 2; + + // Main circle + const geometry = new THREE.CircleGeometry(radius, 32); + const material = new THREE.MeshBasicMaterial({ + color: 0xffffff, + depthTest: false + }); + const circle = new THREE.Mesh(geometry, material); + + const posArray = geometry.attributes.position.array; + const outlineVertices = []; + for (let i = 3; i < posArray.length; i += 3) { + outlineVertices.push( + new THREE.Vector3( + posArray[i], + posArray[i + 1], + posArray[i + 2] + ) + ); + } + const outlineGeometry = new THREE.BufferGeometry().setFromPoints(outlineVertices); + const outline = new THREE.LineLoop( + outlineGeometry, + new THREE.LineBasicMaterial({ color: 0x000000, depthTest: false }) + ); + + const group = new THREE.Group(); + group.add(circle); + group.add(outline); + return group; +}; + +// Initialize particles +var initialized = false; +const particles = []; + +function initialize() { + for(let i = 0; i < NUM_PARTICLES; i++) { + const size = 10 + Math.random() * 80; + const particle = createGeometryParticle(size); + + // Random initial position + const visibleWidth = 2 * Math.tan(75 * Math.PI/360) * 500 * camera.aspect; + particle.position.set( + THREE.MathUtils.randFloatSpread(visibleWidth), + THREE.MathUtils.randFloatSpread(visibleWidth/camera.aspect), + 0 + ); + + // Velocity storage + particle.velocity = new THREE.Vector2( + (Math.random() - 0.5) * 8, + (Math.random() - 0.5) * 8 + ); + + scene.add(particle); + particles.push(particle); + } + initialized = true; +} + +// Metrics and animation +const visibleWidth = 2 * Math.tan(75 * Math.PI/360) * 500 * camera.aspect; +const visibleHeight = visibleWidth / camera.aspect; + +function animate() { + particles.forEach(particle => { + particle.position.x += particle.velocity.x; + particle.position.y += particle.velocity.y; + + // Boundary checks + if(Math.abs(particle.position.x) > visibleWidth/2) + particle.velocity.x *= -1; + if(Math.abs(particle.position.y) > visibleHeight/2) + particle.velocity.y *= -1; + }); + + renderer.render(scene, camera); +} + +class Benchmark { + runIteration() { + if (!initialized) { + initialize(); + } + animate(); + } +} diff --git a/threejs/three.js b/threejs/three.js new file mode 100644 index 0000000..6c5062e --- /dev/null +++ b/threejs/three.js @@ -0,0 +1,31208 @@ +/** + * @license + * Copyright 2010-2022 Three.js Authors + * SPDX-License-Identifier: MIT + */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.THREE = factory()); +})(this, (function () { 'use strict'; + + const REVISION = '178'; + const MOUSE = { LEFT: 0, MIDDLE: 1, RIGHT: 2, ROTATE: 0, DOLLY: 1, PAN: 2 }; + const TOUCH = { ROTATE: 0, PAN: 1, DOLLY_PAN: 2, DOLLY_ROTATE: 3 }; + const CullFaceNone = 0; + const CullFaceBack = 1; + const CullFaceFront = 2; + const CullFaceFrontBack = 3; + const BasicShadowMap = 0; + const PCFShadowMap = 1; + const PCFSoftShadowMap = 2; + const VSMShadowMap = 3; + const FrontSide = 0; + const BackSide = 1; + const DoubleSide = 2; + const NoBlending = 0; + const NormalBlending = 1; + const AdditiveBlending = 2; + const SubtractiveBlending = 3; + const MultiplyBlending = 4; + const CustomBlending = 5; + const AddEquation = 100; + const SubtractEquation = 101; + const ReverseSubtractEquation = 102; + const MinEquation = 103; + const MaxEquation = 104; + const ZeroFactor = 200; + const OneFactor = 201; + const SrcColorFactor = 202; + const OneMinusSrcColorFactor = 203; + const SrcAlphaFactor = 204; + const OneMinusSrcAlphaFactor = 205; + const DstAlphaFactor = 206; + const OneMinusDstAlphaFactor = 207; + const DstColorFactor = 208; + const OneMinusDstColorFactor = 209; + const SrcAlphaSaturateFactor = 210; + const ConstantColorFactor = 211; + const OneMinusConstantColorFactor = 212; + const ConstantAlphaFactor = 213; + const OneMinusConstantAlphaFactor = 214; + const NeverDepth = 0; + const AlwaysDepth = 1; + const LessDepth = 2; + const LessEqualDepth = 3; + const EqualDepth = 4; + const GreaterEqualDepth = 5; + const GreaterDepth = 6; + const NotEqualDepth = 7; + const MultiplyOperation = 0; + const MixOperation = 1; + const AddOperation = 2; + const NoToneMapping = 0; + const LinearToneMapping = 1; + const ReinhardToneMapping = 2; + const CineonToneMapping = 3; + const ACESFilmicToneMapping = 4; + const CustomToneMapping = 5; + const AgXToneMapping = 6; + const NeutralToneMapping = 7; + const AttachedBindMode = 'attached'; + const DetachedBindMode = 'detached'; + const UVMapping = 300; + const CubeReflectionMapping = 301; + const CubeRefractionMapping = 302; + const EquirectangularReflectionMapping = 303; + const EquirectangularRefractionMapping = 304; + const CubeUVReflectionMapping = 306; + const RepeatWrapping = 1000; + const ClampToEdgeWrapping = 1001; + const MirroredRepeatWrapping = 1002; + const NearestFilter = 1003; + const NearestMipmapNearestFilter = 1004; + const NearestMipMapNearestFilter = 1004; + const NearestMipmapLinearFilter = 1005; + const NearestMipMapLinearFilter = 1005; + const LinearFilter = 1006; + const LinearMipmapNearestFilter = 1007; + const LinearMipMapNearestFilter = 1007; + const LinearMipmapLinearFilter = 1008; + const LinearMipMapLinearFilter = 1008; + const UnsignedByteType = 1009; + const ByteType = 1010; + const ShortType = 1011; + const UnsignedShortType = 1012; + const IntType = 1013; + const UnsignedIntType = 1014; + const FloatType = 1015; + const HalfFloatType = 1016; + const UnsignedShort4444Type = 1017; + const UnsignedShort5551Type = 1018; + const UnsignedInt248Type = 1020; + const UnsignedInt5999Type = 35902; + const AlphaFormat = 1021; + const RGBFormat = 1022; + const RGBAFormat = 1023; + const DepthFormat = 1026; + const DepthStencilFormat = 1027; + const RedFormat = 1028; + const RedIntegerFormat = 1029; + const RGFormat = 1030; + const RGIntegerFormat = 1031; + const RGBIntegerFormat = 1032; + const RGBAIntegerFormat = 1033; + const RGB_S3TC_DXT1_Format = 33776; + const RGBA_S3TC_DXT1_Format = 33777; + const RGBA_S3TC_DXT3_Format = 33778; + const RGBA_S3TC_DXT5_Format = 33779; + const RGB_PVRTC_4BPPV1_Format = 35840; + const RGB_PVRTC_2BPPV1_Format = 35841; + const RGBA_PVRTC_4BPPV1_Format = 35842; + const RGBA_PVRTC_2BPPV1_Format = 35843; + const RGB_ETC1_Format = 36196; + const RGB_ETC2_Format = 37492; + const RGBA_ETC2_EAC_Format = 37496; + const RGBA_ASTC_4x4_Format = 37808; + const RGBA_ASTC_5x4_Format = 37809; + const RGBA_ASTC_5x5_Format = 37810; + const RGBA_ASTC_6x5_Format = 37811; + const RGBA_ASTC_6x6_Format = 37812; + const RGBA_ASTC_8x5_Format = 37813; + const RGBA_ASTC_8x6_Format = 37814; + const RGBA_ASTC_8x8_Format = 37815; + const RGBA_ASTC_10x5_Format = 37816; + const RGBA_ASTC_10x6_Format = 37817; + const RGBA_ASTC_10x8_Format = 37818; + const RGBA_ASTC_10x10_Format = 37819; + const RGBA_ASTC_12x10_Format = 37820; + const RGBA_ASTC_12x12_Format = 37821; + const RGBA_BPTC_Format = 36492; + const RGB_BPTC_SIGNED_Format = 36494; + const RGB_BPTC_UNSIGNED_Format = 36495; + const RED_RGTC1_Format = 36283; + const SIGNED_RED_RGTC1_Format = 36284; + const RED_GREEN_RGTC2_Format = 36285; + const SIGNED_RED_GREEN_RGTC2_Format = 36286; + const LoopOnce = 2200; + const LoopRepeat = 2201; + const LoopPingPong = 2202; + const InterpolateDiscrete = 2300; + const InterpolateLinear = 2301; + const InterpolateSmooth = 2302; + const ZeroCurvatureEnding = 2400; + const ZeroSlopeEnding = 2401; + const WrapAroundEnding = 2402; + const NormalAnimationBlendMode = 2500; + const AdditiveAnimationBlendMode = 2501; + const TrianglesDrawMode = 0; + const TriangleStripDrawMode = 1; + const TriangleFanDrawMode = 2; + const BasicDepthPacking = 3200; + const RGBADepthPacking = 3201; + const RGBDepthPacking = 3202; + const RGDepthPacking = 3203; + const TangentSpaceNormalMap = 0; + const ObjectSpaceNormalMap = 1; + const NoColorSpace = ''; + const SRGBColorSpace = 'srgb'; + const LinearSRGBColorSpace = 'srgb-linear'; + const LinearTransfer = 'linear'; + const SRGBTransfer = 'srgb'; + const ZeroStencilOp = 0; + const KeepStencilOp = 7680; + const ReplaceStencilOp = 7681; + const IncrementStencilOp = 7682; + const DecrementStencilOp = 7683; + const IncrementWrapStencilOp = 34055; + const DecrementWrapStencilOp = 34056; + const InvertStencilOp = 5386; + const NeverStencilFunc = 512; + const LessStencilFunc = 513; + const EqualStencilFunc = 514; + const LessEqualStencilFunc = 515; + const GreaterStencilFunc = 516; + const NotEqualStencilFunc = 517; + const GreaterEqualStencilFunc = 518; + const AlwaysStencilFunc = 519; + const NeverCompare = 512; + const LessCompare = 513; + const EqualCompare = 514; + const LessEqualCompare = 515; + const GreaterCompare = 516; + const NotEqualCompare = 517; + const GreaterEqualCompare = 518; + const AlwaysCompare = 519; + const StaticDrawUsage = 35044; + const DynamicDrawUsage = 35048; + const StreamDrawUsage = 35040; + const StaticReadUsage = 35045; + const DynamicReadUsage = 35049; + const StreamReadUsage = 35041; + const StaticCopyUsage = 35046; + const DynamicCopyUsage = 35050; + const StreamCopyUsage = 35042; + const GLSL1 = '100'; + const GLSL3 = '300 es'; + const WebGLCoordinateSystem = 2000; + const WebGPUCoordinateSystem = 2001; + const TimestampQuery = { + COMPUTE: 'compute', + RENDER: 'render' + }; + const InterpolationSamplingType = { + PERSPECTIVE: 'perspective', + LINEAR: 'linear', + FLAT: 'flat' + }; + const InterpolationSamplingMode = { + NORMAL: 'normal', + CENTROID: 'centroid', + SAMPLE: 'sample', + FIRST: 'first', + EITHER: 'either' + }; + class EventDispatcher { + addEventListener( type, listener ) { + if ( this._listeners === undefined ) this._listeners = {}; + const listeners = this._listeners; + if ( listeners[ type ] === undefined ) { + listeners[ type ] = []; + } + if ( listeners[ type ].indexOf( listener ) === -1 ) { + listeners[ type ].push( listener ); + } + } + hasEventListener( type, listener ) { + const listeners = this._listeners; + if ( listeners === undefined ) return false; + return listeners[ type ] !== undefined && listeners[ type ].indexOf( listener ) !== -1; + } + removeEventListener( type, listener ) { + const listeners = this._listeners; + if ( listeners === undefined ) return; + const listenerArray = listeners[ type ]; + if ( listenerArray !== undefined ) { + const index = listenerArray.indexOf( listener ); + if ( index !== -1 ) { + listenerArray.splice( index, 1 ); + } + } + } + dispatchEvent( event ) { + const listeners = this._listeners; + if ( listeners === undefined ) return; + const listenerArray = listeners[ event.type ]; + if ( listenerArray !== undefined ) { + event.target = this; + const array = listenerArray.slice( 0 ); + for ( let i = 0, l = array.length; i < l; i ++ ) { + array[ i ].call( this, event ); + } + event.target = null; + } + } + } + const _lut = [ '00', '01', '02', '03', '04', '05', '06', '07', '08', '09', '0a', '0b', '0c', '0d', '0e', '0f', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '1a', '1b', '1c', '1d', '1e', '1f', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '2a', '2b', '2c', '2d', '2e', '2f', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '3a', '3b', '3c', '3d', '3e', '3f', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '4a', '4b', '4c', '4d', '4e', '4f', '50', '51', '52', '53', '54', '55', '56', '57', '58', '59', '5a', '5b', '5c', '5d', '5e', '5f', '60', '61', '62', '63', '64', '65', '66', '67', '68', '69', '6a', '6b', '6c', '6d', '6e', '6f', '70', '71', '72', '73', '74', '75', '76', '77', '78', '79', '7a', '7b', '7c', '7d', '7e', '7f', '80', '81', '82', '83', '84', '85', '86', '87', '88', '89', '8a', '8b', '8c', '8d', '8e', '8f', '90', '91', '92', '93', '94', '95', '96', '97', '98', '99', '9a', '9b', '9c', '9d', '9e', '9f', 'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9', 'aa', 'ab', 'ac', 'ad', 'ae', 'af', 'b0', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8', 'b9', 'ba', 'bb', 'bc', 'bd', 'be', 'bf', 'c0', 'c1', 'c2', 'c3', 'c4', 'c5', 'c6', 'c7', 'c8', 'c9', 'ca', 'cb', 'cc', 'cd', 'ce', 'cf', 'd0', 'd1', 'd2', 'd3', 'd4', 'd5', 'd6', 'd7', 'd8', 'd9', 'da', 'db', 'dc', 'dd', 'de', 'df', 'e0', 'e1', 'e2', 'e3', 'e4', 'e5', 'e6', 'e7', 'e8', 'e9', 'ea', 'eb', 'ec', 'ed', 'ee', 'ef', 'f0', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'fa', 'fb', 'fc', 'fd', 'fe', 'ff' ]; + let _seed = 1234567; + const DEG2RAD = Math.PI / 180; + const RAD2DEG = 180 / Math.PI; + function generateUUID() { + const d0 = Math.random() * 0xffffffff | 0; + const d1 = Math.random() * 0xffffffff | 0; + const d2 = Math.random() * 0xffffffff | 0; + const d3 = Math.random() * 0xffffffff | 0; + const uuid = _lut[ d0 & 0xff ] + _lut[ d0 >> 8 & 0xff ] + _lut[ d0 >> 16 & 0xff ] + _lut[ d0 >> 24 & 0xff ] + '-' + + _lut[ d1 & 0xff ] + _lut[ d1 >> 8 & 0xff ] + '-' + _lut[ d1 >> 16 & 0x0f | 0x40 ] + _lut[ d1 >> 24 & 0xff ] + '-' + + _lut[ d2 & 0x3f | 0x80 ] + _lut[ d2 >> 8 & 0xff ] + '-' + _lut[ d2 >> 16 & 0xff ] + _lut[ d2 >> 24 & 0xff ] + + _lut[ d3 & 0xff ] + _lut[ d3 >> 8 & 0xff ] + _lut[ d3 >> 16 & 0xff ] + _lut[ d3 >> 24 & 0xff ]; + return uuid.toLowerCase(); + } + function clamp( value, min, max ) { + return Math.max( min, Math.min( max, value ) ); + } + function euclideanModulo( n, m ) { + return ( ( n % m ) + m ) % m; + } + function mapLinear( x, a1, a2, b1, b2 ) { + return b1 + ( x - a1 ) * ( b2 - b1 ) / ( a2 - a1 ); + } + function inverseLerp( x, y, value ) { + if ( x !== y ) { + return ( value - x ) / ( y - x ); + } else { + return 0; + } + } + function lerp( x, y, t ) { + return ( 1 - t ) * x + t * y; + } + function damp( x, y, lambda, dt ) { + return lerp( x, y, 1 - Math.exp( - lambda * dt ) ); + } + function pingpong( x, length = 1 ) { + return length - Math.abs( euclideanModulo( x, length * 2 ) - length ); + } + function smoothstep( x, min, max ) { + if ( x <= min ) return 0; + if ( x >= max ) return 1; + x = ( x - min ) / ( max - min ); + return x * x * ( 3 - 2 * x ); + } + function smootherstep( x, min, max ) { + if ( x <= min ) return 0; + if ( x >= max ) return 1; + x = ( x - min ) / ( max - min ); + return x * x * x * ( x * ( x * 6 - 15 ) + 10 ); + } + function randInt( low, high ) { + return low + Math.floor( Math.random() * ( high - low + 1 ) ); + } + function randFloat( low, high ) { + return low + Math.random() * ( high - low ); + } + function randFloatSpread( range ) { + return range * ( 0.5 - Math.random() ); + } + function seededRandom( s ) { + if ( s !== undefined ) _seed = s; + let t = _seed += 0x6D2B79F5; + t = Math.imul( t ^ t >>> 15, t | 1 ); + t ^= t + Math.imul( t ^ t >>> 7, t | 61 ); + return ( ( t ^ t >>> 14 ) >>> 0 ) / 4294967296; + } + function degToRad( degrees ) { + return degrees * DEG2RAD; + } + function radToDeg( radians ) { + return radians * RAD2DEG; + } + function isPowerOfTwo( value ) { + return ( value & ( value - 1 ) ) === 0 && value !== 0; + } + function ceilPowerOfTwo( value ) { + return Math.pow( 2, Math.ceil( Math.log( value ) / Math.LN2 ) ); + } + function floorPowerOfTwo( value ) { + return Math.pow( 2, Math.floor( Math.log( value ) / Math.LN2 ) ); + } + function setQuaternionFromProperEuler( q, a, b, c, order ) { + const cos = Math.cos; + const sin = Math.sin; + const c2 = cos( b / 2 ); + const s2 = sin( b / 2 ); + const c13 = cos( ( a + c ) / 2 ); + const s13 = sin( ( a + c ) / 2 ); + const c1_3 = cos( ( a - c ) / 2 ); + const s1_3 = sin( ( a - c ) / 2 ); + const c3_1 = cos( ( c - a ) / 2 ); + const s3_1 = sin( ( c - a ) / 2 ); + switch ( order ) { + case 'XYX': + q.set( c2 * s13, s2 * c1_3, s2 * s1_3, c2 * c13 ); + break; + case 'YZY': + q.set( s2 * s1_3, c2 * s13, s2 * c1_3, c2 * c13 ); + break; + case 'ZXZ': + q.set( s2 * c1_3, s2 * s1_3, c2 * s13, c2 * c13 ); + break; + case 'XZX': + q.set( c2 * s13, s2 * s3_1, s2 * c3_1, c2 * c13 ); + break; + case 'YXY': + q.set( s2 * c3_1, c2 * s13, s2 * s3_1, c2 * c13 ); + break; + case 'ZYZ': + q.set( s2 * s3_1, s2 * c3_1, c2 * s13, c2 * c13 ); + break; + default: + console.warn( 'THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: ' + order ); + } + } + function denormalize( value, array ) { + switch ( array.constructor ) { + case Float32Array: + return value; + case Uint32Array: + return value / 4294967295.0; + case Uint16Array: + return value / 65535.0; + case Uint8Array: + return value / 255.0; + case Int32Array: + return Math.max( value / 2147483647.0, -1 ); + case Int16Array: + return Math.max( value / 32767.0, -1 ); + case Int8Array: + return Math.max( value / 127.0, -1 ); + default: + throw new Error( 'Invalid component type.' ); + } + } + function normalize( value, array ) { + switch ( array.constructor ) { + case Float32Array: + return value; + case Uint32Array: + return Math.round( value * 4294967295.0 ); + case Uint16Array: + return Math.round( value * 65535.0 ); + case Uint8Array: + return Math.round( value * 255.0 ); + case Int32Array: + return Math.round( value * 2147483647.0 ); + case Int16Array: + return Math.round( value * 32767.0 ); + case Int8Array: + return Math.round( value * 127.0 ); + default: + throw new Error( 'Invalid component type.' ); + } + } + const MathUtils = { + DEG2RAD: DEG2RAD, + RAD2DEG: RAD2DEG, + generateUUID: generateUUID, + clamp: clamp, + euclideanModulo: euclideanModulo, + mapLinear: mapLinear, + inverseLerp: inverseLerp, + lerp: lerp, + damp: damp, + pingpong: pingpong, + smoothstep: smoothstep, + smootherstep: smootherstep, + randInt: randInt, + randFloat: randFloat, + randFloatSpread: randFloatSpread, + seededRandom: seededRandom, + degToRad: degToRad, + radToDeg: radToDeg, + isPowerOfTwo: isPowerOfTwo, + ceilPowerOfTwo: ceilPowerOfTwo, + floorPowerOfTwo: floorPowerOfTwo, + setQuaternionFromProperEuler: setQuaternionFromProperEuler, + normalize: normalize, + denormalize: denormalize + }; + class Vector2 { + constructor( x = 0, y = 0 ) { + Vector2.prototype.isVector2 = true; + this.x = x; + this.y = y; + } + get width() { + return this.x; + } + set width( value ) { + this.x = value; + } + get height() { + return this.y; + } + set height( value ) { + this.y = value; + } + set( x, y ) { + this.x = x; + this.y = y; + return this; + } + setScalar( scalar ) { + this.x = scalar; + this.y = scalar; + return this; + } + setX( x ) { + this.x = x; + return this; + } + setY( y ) { + this.y = y; + return this; + } + setComponent( index, value ) { + switch ( index ) { + case 0: this.x = value; break; + case 1: this.y = value; break; + default: throw new Error( 'index is out of range: ' + index ); + } + return this; + } + getComponent( index ) { + switch ( index ) { + case 0: return this.x; + case 1: return this.y; + default: throw new Error( 'index is out of range: ' + index ); + } + } + clone() { + return new this.constructor( this.x, this.y ); + } + copy( v ) { + this.x = v.x; + this.y = v.y; + return this; + } + add( v ) { + this.x += v.x; + this.y += v.y; + return this; + } + addScalar( s ) { + this.x += s; + this.y += s; + return this; + } + addVectors( a, b ) { + this.x = a.x + b.x; + this.y = a.y + b.y; + return this; + } + addScaledVector( v, s ) { + this.x += v.x * s; + this.y += v.y * s; + return this; + } + sub( v ) { + this.x -= v.x; + this.y -= v.y; + return this; + } + subScalar( s ) { + this.x -= s; + this.y -= s; + return this; + } + subVectors( a, b ) { + this.x = a.x - b.x; + this.y = a.y - b.y; + return this; + } + multiply( v ) { + this.x *= v.x; + this.y *= v.y; + return this; + } + multiplyScalar( scalar ) { + this.x *= scalar; + this.y *= scalar; + return this; + } + divide( v ) { + this.x /= v.x; + this.y /= v.y; + return this; + } + divideScalar( scalar ) { + return this.multiplyScalar( 1 / scalar ); + } + applyMatrix3( m ) { + const x = this.x, y = this.y; + const e = m.elements; + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ]; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ]; + return this; + } + min( v ) { + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + return this; + } + max( v ) { + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + return this; + } + clamp( min, max ) { + this.x = clamp( this.x, min.x, max.x ); + this.y = clamp( this.y, min.y, max.y ); + return this; + } + clampScalar( minVal, maxVal ) { + this.x = clamp( this.x, minVal, maxVal ); + this.y = clamp( this.y, minVal, maxVal ); + return this; + } + clampLength( min, max ) { + const length = this.length(); + return this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) ); + } + floor() { + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + return this; + } + ceil() { + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + return this; + } + round() { + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + return this; + } + roundToZero() { + this.x = Math.trunc( this.x ); + this.y = Math.trunc( this.y ); + return this; + } + negate() { + this.x = - this.x; + this.y = - this.y; + return this; + } + dot( v ) { + return this.x * v.x + this.y * v.y; + } + cross( v ) { + return this.x * v.y - this.y * v.x; + } + lengthSq() { + return this.x * this.x + this.y * this.y; + } + length() { + return Math.sqrt( this.x * this.x + this.y * this.y ); + } + manhattanLength() { + return Math.abs( this.x ) + Math.abs( this.y ); + } + normalize() { + return this.divideScalar( this.length() || 1 ); + } + angle() { + const angle = Math.atan2( - this.y, - this.x ) + Math.PI; + return angle; + } + angleTo( v ) { + const denominator = Math.sqrt( this.lengthSq() * v.lengthSq() ); + if ( denominator === 0 ) return Math.PI / 2; + const theta = this.dot( v ) / denominator; + return Math.acos( clamp( theta, -1, 1 ) ); + } + distanceTo( v ) { + return Math.sqrt( this.distanceToSquared( v ) ); + } + distanceToSquared( v ) { + const dx = this.x - v.x, dy = this.y - v.y; + return dx * dx + dy * dy; + } + manhattanDistanceTo( v ) { + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ); + } + setLength( length ) { + return this.normalize().multiplyScalar( length ); + } + lerp( v, alpha ) { + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + return this; + } + lerpVectors( v1, v2, alpha ) { + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + return this; + } + equals( v ) { + return ( ( v.x === this.x ) && ( v.y === this.y ) ); + } + fromArray( array, offset = 0 ) { + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + return this; + } + toArray( array = [], offset = 0 ) { + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + return array; + } + fromBufferAttribute( attribute, index ) { + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + return this; + } + rotateAround( center, angle ) { + const c = Math.cos( angle ), s = Math.sin( angle ); + const x = this.x - center.x; + const y = this.y - center.y; + this.x = x * c - y * s + center.x; + this.y = x * s + y * c + center.y; + return this; + } + random() { + this.x = Math.random(); + this.y = Math.random(); + return this; + } + *[ Symbol.iterator ]() { + yield this.x; + yield this.y; + } + } + class Quaternion { + constructor( x = 0, y = 0, z = 0, w = 1 ) { + this.isQuaternion = true; + this._x = x; + this._y = y; + this._z = z; + this._w = w; + } + static slerpFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1, t ) { + let x0 = src0[ srcOffset0 + 0 ], + y0 = src0[ srcOffset0 + 1 ], + z0 = src0[ srcOffset0 + 2 ], + w0 = src0[ srcOffset0 + 3 ]; + const x1 = src1[ srcOffset1 + 0 ], + y1 = src1[ srcOffset1 + 1 ], + z1 = src1[ srcOffset1 + 2 ], + w1 = src1[ srcOffset1 + 3 ]; + if ( t === 0 ) { + dst[ dstOffset + 0 ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + return; + } + if ( t === 1 ) { + dst[ dstOffset + 0 ] = x1; + dst[ dstOffset + 1 ] = y1; + dst[ dstOffset + 2 ] = z1; + dst[ dstOffset + 3 ] = w1; + return; + } + if ( w0 !== w1 || x0 !== x1 || y0 !== y1 || z0 !== z1 ) { + let s = 1 - t; + const cos = x0 * x1 + y0 * y1 + z0 * z1 + w0 * w1, + dir = ( cos >= 0 ? 1 : -1 ), + sqrSin = 1 - cos * cos; + if ( sqrSin > Number.EPSILON ) { + const sin = Math.sqrt( sqrSin ), + len = Math.atan2( sin, cos * dir ); + s = Math.sin( s * len ) / sin; + t = Math.sin( t * len ) / sin; + } + const tDir = t * dir; + x0 = x0 * s + x1 * tDir; + y0 = y0 * s + y1 * tDir; + z0 = z0 * s + z1 * tDir; + w0 = w0 * s + w1 * tDir; + if ( s === 1 - t ) { + const f = 1 / Math.sqrt( x0 * x0 + y0 * y0 + z0 * z0 + w0 * w0 ); + x0 *= f; + y0 *= f; + z0 *= f; + w0 *= f; + } + } + dst[ dstOffset ] = x0; + dst[ dstOffset + 1 ] = y0; + dst[ dstOffset + 2 ] = z0; + dst[ dstOffset + 3 ] = w0; + } + static multiplyQuaternionsFlat( dst, dstOffset, src0, srcOffset0, src1, srcOffset1 ) { + const x0 = src0[ srcOffset0 ]; + const y0 = src0[ srcOffset0 + 1 ]; + const z0 = src0[ srcOffset0 + 2 ]; + const w0 = src0[ srcOffset0 + 3 ]; + const x1 = src1[ srcOffset1 ]; + const y1 = src1[ srcOffset1 + 1 ]; + const z1 = src1[ srcOffset1 + 2 ]; + const w1 = src1[ srcOffset1 + 3 ]; + dst[ dstOffset ] = x0 * w1 + w0 * x1 + y0 * z1 - z0 * y1; + dst[ dstOffset + 1 ] = y0 * w1 + w0 * y1 + z0 * x1 - x0 * z1; + dst[ dstOffset + 2 ] = z0 * w1 + w0 * z1 + x0 * y1 - y0 * x1; + dst[ dstOffset + 3 ] = w0 * w1 - x0 * x1 - y0 * y1 - z0 * z1; + return dst; + } + get x() { + return this._x; + } + set x( value ) { + this._x = value; + this._onChangeCallback(); + } + get y() { + return this._y; + } + set y( value ) { + this._y = value; + this._onChangeCallback(); + } + get z() { + return this._z; + } + set z( value ) { + this._z = value; + this._onChangeCallback(); + } + get w() { + return this._w; + } + set w( value ) { + this._w = value; + this._onChangeCallback(); + } + set( x, y, z, w ) { + this._x = x; + this._y = y; + this._z = z; + this._w = w; + this._onChangeCallback(); + return this; + } + clone() { + return new this.constructor( this._x, this._y, this._z, this._w ); + } + copy( quaternion ) { + this._x = quaternion.x; + this._y = quaternion.y; + this._z = quaternion.z; + this._w = quaternion.w; + this._onChangeCallback(); + return this; + } + setFromEuler( euler, update = true ) { + const x = euler._x, y = euler._y, z = euler._z, order = euler._order; + const cos = Math.cos; + const sin = Math.sin; + const c1 = cos( x / 2 ); + const c2 = cos( y / 2 ); + const c3 = cos( z / 2 ); + const s1 = sin( x / 2 ); + const s2 = sin( y / 2 ); + const s3 = sin( z / 2 ); + switch ( order ) { + case 'XYZ': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case 'YXZ': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + case 'ZXY': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case 'ZYX': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + case 'YZX': + this._x = s1 * c2 * c3 + c1 * s2 * s3; + this._y = c1 * s2 * c3 + s1 * c2 * s3; + this._z = c1 * c2 * s3 - s1 * s2 * c3; + this._w = c1 * c2 * c3 - s1 * s2 * s3; + break; + case 'XZY': + this._x = s1 * c2 * c3 - c1 * s2 * s3; + this._y = c1 * s2 * c3 - s1 * c2 * s3; + this._z = c1 * c2 * s3 + s1 * s2 * c3; + this._w = c1 * c2 * c3 + s1 * s2 * s3; + break; + default: + console.warn( 'THREE.Quaternion: .setFromEuler() encountered an unknown order: ' + order ); + } + if ( update === true ) this._onChangeCallback(); + return this; + } + setFromAxisAngle( axis, angle ) { + const halfAngle = angle / 2, s = Math.sin( halfAngle ); + this._x = axis.x * s; + this._y = axis.y * s; + this._z = axis.z * s; + this._w = Math.cos( halfAngle ); + this._onChangeCallback(); + return this; + } + setFromRotationMatrix( m ) { + const te = m.elements, + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ], + trace = m11 + m22 + m33; + if ( trace > 0 ) { + const s = 0.5 / Math.sqrt( trace + 1.0 ); + this._w = 0.25 / s; + this._x = ( m32 - m23 ) * s; + this._y = ( m13 - m31 ) * s; + this._z = ( m21 - m12 ) * s; + } else if ( m11 > m22 && m11 > m33 ) { + const s = 2.0 * Math.sqrt( 1.0 + m11 - m22 - m33 ); + this._w = ( m32 - m23 ) / s; + this._x = 0.25 * s; + this._y = ( m12 + m21 ) / s; + this._z = ( m13 + m31 ) / s; + } else if ( m22 > m33 ) { + const s = 2.0 * Math.sqrt( 1.0 + m22 - m11 - m33 ); + this._w = ( m13 - m31 ) / s; + this._x = ( m12 + m21 ) / s; + this._y = 0.25 * s; + this._z = ( m23 + m32 ) / s; + } else { + const s = 2.0 * Math.sqrt( 1.0 + m33 - m11 - m22 ); + this._w = ( m21 - m12 ) / s; + this._x = ( m13 + m31 ) / s; + this._y = ( m23 + m32 ) / s; + this._z = 0.25 * s; + } + this._onChangeCallback(); + return this; + } + setFromUnitVectors( vFrom, vTo ) { + let r = vFrom.dot( vTo ) + 1; + if ( r < 1e-8 ) { + r = 0; + if ( Math.abs( vFrom.x ) > Math.abs( vFrom.z ) ) { + this._x = - vFrom.y; + this._y = vFrom.x; + this._z = 0; + this._w = r; + } else { + this._x = 0; + this._y = - vFrom.z; + this._z = vFrom.y; + this._w = r; + } + } else { + this._x = vFrom.y * vTo.z - vFrom.z * vTo.y; + this._y = vFrom.z * vTo.x - vFrom.x * vTo.z; + this._z = vFrom.x * vTo.y - vFrom.y * vTo.x; + this._w = r; + } + return this.normalize(); + } + angleTo( q ) { + return 2 * Math.acos( Math.abs( clamp( this.dot( q ), -1, 1 ) ) ); + } + rotateTowards( q, step ) { + const angle = this.angleTo( q ); + if ( angle === 0 ) return this; + const t = Math.min( 1, step / angle ); + this.slerp( q, t ); + return this; + } + identity() { + return this.set( 0, 0, 0, 1 ); + } + invert() { + return this.conjugate(); + } + conjugate() { + this._x *= -1; + this._y *= -1; + this._z *= -1; + this._onChangeCallback(); + return this; + } + dot( v ) { + return this._x * v._x + this._y * v._y + this._z * v._z + this._w * v._w; + } + lengthSq() { + return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w; + } + length() { + return Math.sqrt( this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w ); + } + normalize() { + let l = this.length(); + if ( l === 0 ) { + this._x = 0; + this._y = 0; + this._z = 0; + this._w = 1; + } else { + l = 1 / l; + this._x = this._x * l; + this._y = this._y * l; + this._z = this._z * l; + this._w = this._w * l; + } + this._onChangeCallback(); + return this; + } + multiply( q ) { + return this.multiplyQuaternions( this, q ); + } + premultiply( q ) { + return this.multiplyQuaternions( q, this ); + } + multiplyQuaternions( a, b ) { + const qax = a._x, qay = a._y, qaz = a._z, qaw = a._w; + const qbx = b._x, qby = b._y, qbz = b._z, qbw = b._w; + this._x = qax * qbw + qaw * qbx + qay * qbz - qaz * qby; + this._y = qay * qbw + qaw * qby + qaz * qbx - qax * qbz; + this._z = qaz * qbw + qaw * qbz + qax * qby - qay * qbx; + this._w = qaw * qbw - qax * qbx - qay * qby - qaz * qbz; + this._onChangeCallback(); + return this; + } + slerp( qb, t ) { + if ( t === 0 ) return this; + if ( t === 1 ) return this.copy( qb ); + const x = this._x, y = this._y, z = this._z, w = this._w; + let cosHalfTheta = w * qb._w + x * qb._x + y * qb._y + z * qb._z; + if ( cosHalfTheta < 0 ) { + this._w = - qb._w; + this._x = - qb._x; + this._y = - qb._y; + this._z = - qb._z; + cosHalfTheta = - cosHalfTheta; + } else { + this.copy( qb ); + } + if ( cosHalfTheta >= 1.0 ) { + this._w = w; + this._x = x; + this._y = y; + this._z = z; + return this; + } + const sqrSinHalfTheta = 1.0 - cosHalfTheta * cosHalfTheta; + if ( sqrSinHalfTheta <= Number.EPSILON ) { + const s = 1 - t; + this._w = s * w + t * this._w; + this._x = s * x + t * this._x; + this._y = s * y + t * this._y; + this._z = s * z + t * this._z; + this.normalize(); + return this; + } + const sinHalfTheta = Math.sqrt( sqrSinHalfTheta ); + const halfTheta = Math.atan2( sinHalfTheta, cosHalfTheta ); + const ratioA = Math.sin( ( 1 - t ) * halfTheta ) / sinHalfTheta, + ratioB = Math.sin( t * halfTheta ) / sinHalfTheta; + this._w = ( w * ratioA + this._w * ratioB ); + this._x = ( x * ratioA + this._x * ratioB ); + this._y = ( y * ratioA + this._y * ratioB ); + this._z = ( z * ratioA + this._z * ratioB ); + this._onChangeCallback(); + return this; + } + slerpQuaternions( qa, qb, t ) { + return this.copy( qa ).slerp( qb, t ); + } + random() { + const theta1 = 2 * Math.PI * Math.random(); + const theta2 = 2 * Math.PI * Math.random(); + const x0 = Math.random(); + const r1 = Math.sqrt( 1 - x0 ); + const r2 = Math.sqrt( x0 ); + return this.set( + r1 * Math.sin( theta1 ), + r1 * Math.cos( theta1 ), + r2 * Math.sin( theta2 ), + r2 * Math.cos( theta2 ), + ); + } + equals( quaternion ) { + return ( quaternion._x === this._x ) && ( quaternion._y === this._y ) && ( quaternion._z === this._z ) && ( quaternion._w === this._w ); + } + fromArray( array, offset = 0 ) { + this._x = array[ offset ]; + this._y = array[ offset + 1 ]; + this._z = array[ offset + 2 ]; + this._w = array[ offset + 3 ]; + this._onChangeCallback(); + return this; + } + toArray( array = [], offset = 0 ) { + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._w; + return array; + } + fromBufferAttribute( attribute, index ) { + this._x = attribute.getX( index ); + this._y = attribute.getY( index ); + this._z = attribute.getZ( index ); + this._w = attribute.getW( index ); + this._onChangeCallback(); + return this; + } + toJSON() { + return this.toArray(); + } + _onChange( callback ) { + this._onChangeCallback = callback; + return this; + } + _onChangeCallback() {} + *[ Symbol.iterator ]() { + yield this._x; + yield this._y; + yield this._z; + yield this._w; + } + } + class Vector3 { + constructor( x = 0, y = 0, z = 0 ) { + Vector3.prototype.isVector3 = true; + this.x = x; + this.y = y; + this.z = z; + } + set( x, y, z ) { + if ( z === undefined ) z = this.z; + this.x = x; + this.y = y; + this.z = z; + return this; + } + setScalar( scalar ) { + this.x = scalar; + this.y = scalar; + this.z = scalar; + return this; + } + setX( x ) { + this.x = x; + return this; + } + setY( y ) { + this.y = y; + return this; + } + setZ( z ) { + this.z = z; + return this; + } + setComponent( index, value ) { + switch ( index ) { + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + default: throw new Error( 'index is out of range: ' + index ); + } + return this; + } + getComponent( index ) { + switch ( index ) { + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + default: throw new Error( 'index is out of range: ' + index ); + } + } + clone() { + return new this.constructor( this.x, this.y, this.z ); + } + copy( v ) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + return this; + } + add( v ) { + this.x += v.x; + this.y += v.y; + this.z += v.z; + return this; + } + addScalar( s ) { + this.x += s; + this.y += s; + this.z += s; + return this; + } + addVectors( a, b ) { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + return this; + } + addScaledVector( v, s ) { + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + return this; + } + sub( v ) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + return this; + } + subScalar( s ) { + this.x -= s; + this.y -= s; + this.z -= s; + return this; + } + subVectors( a, b ) { + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + return this; + } + multiply( v ) { + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + return this; + } + multiplyScalar( scalar ) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + return this; + } + multiplyVectors( a, b ) { + this.x = a.x * b.x; + this.y = a.y * b.y; + this.z = a.z * b.z; + return this; + } + applyEuler( euler ) { + return this.applyQuaternion( _quaternion$4.setFromEuler( euler ) ); + } + applyAxisAngle( axis, angle ) { + return this.applyQuaternion( _quaternion$4.setFromAxisAngle( axis, angle ) ); + } + applyMatrix3( m ) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + this.x = e[ 0 ] * x + e[ 3 ] * y + e[ 6 ] * z; + this.y = e[ 1 ] * x + e[ 4 ] * y + e[ 7 ] * z; + this.z = e[ 2 ] * x + e[ 5 ] * y + e[ 8 ] * z; + return this; + } + applyNormalMatrix( m ) { + return this.applyMatrix3( m ).normalize(); + } + applyMatrix4( m ) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + const w = 1 / ( e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] ); + this.x = ( e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] ) * w; + this.y = ( e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] ) * w; + this.z = ( e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] ) * w; + return this; + } + applyQuaternion( q ) { + const vx = this.x, vy = this.y, vz = this.z; + const qx = q.x, qy = q.y, qz = q.z, qw = q.w; + const tx = 2 * ( qy * vz - qz * vy ); + const ty = 2 * ( qz * vx - qx * vz ); + const tz = 2 * ( qx * vy - qy * vx ); + this.x = vx + qw * tx + qy * tz - qz * ty; + this.y = vy + qw * ty + qz * tx - qx * tz; + this.z = vz + qw * tz + qx * ty - qy * tx; + return this; + } + project( camera ) { + return this.applyMatrix4( camera.matrixWorldInverse ).applyMatrix4( camera.projectionMatrix ); + } + unproject( camera ) { + return this.applyMatrix4( camera.projectionMatrixInverse ).applyMatrix4( camera.matrixWorld ); + } + transformDirection( m ) { + const x = this.x, y = this.y, z = this.z; + const e = m.elements; + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z; + return this.normalize(); + } + divide( v ) { + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + return this; + } + divideScalar( scalar ) { + return this.multiplyScalar( 1 / scalar ); + } + min( v ) { + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + return this; + } + max( v ) { + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + return this; + } + clamp( min, max ) { + this.x = clamp( this.x, min.x, max.x ); + this.y = clamp( this.y, min.y, max.y ); + this.z = clamp( this.z, min.z, max.z ); + return this; + } + clampScalar( minVal, maxVal ) { + this.x = clamp( this.x, minVal, maxVal ); + this.y = clamp( this.y, minVal, maxVal ); + this.z = clamp( this.z, minVal, maxVal ); + return this; + } + clampLength( min, max ) { + const length = this.length(); + return this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) ); + } + floor() { + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + return this; + } + ceil() { + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + return this; + } + round() { + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + return this; + } + roundToZero() { + this.x = Math.trunc( this.x ); + this.y = Math.trunc( this.y ); + this.z = Math.trunc( this.z ); + return this; + } + negate() { + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + return this; + } + dot( v ) { + return this.x * v.x + this.y * v.y + this.z * v.z; + } + lengthSq() { + return this.x * this.x + this.y * this.y + this.z * this.z; + } + length() { + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z ); + } + manhattanLength() { + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ); + } + normalize() { + return this.divideScalar( this.length() || 1 ); + } + setLength( length ) { + return this.normalize().multiplyScalar( length ); + } + lerp( v, alpha ) { + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + return this; + } + lerpVectors( v1, v2, alpha ) { + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + this.z = v1.z + ( v2.z - v1.z ) * alpha; + return this; + } + cross( v ) { + return this.crossVectors( this, v ); + } + crossVectors( a, b ) { + const ax = a.x, ay = a.y, az = a.z; + const bx = b.x, by = b.y, bz = b.z; + this.x = ay * bz - az * by; + this.y = az * bx - ax * bz; + this.z = ax * by - ay * bx; + return this; + } + projectOnVector( v ) { + const denominator = v.lengthSq(); + if ( denominator === 0 ) return this.set( 0, 0, 0 ); + const scalar = v.dot( this ) / denominator; + return this.copy( v ).multiplyScalar( scalar ); + } + projectOnPlane( planeNormal ) { + _vector$c.copy( this ).projectOnVector( planeNormal ); + return this.sub( _vector$c ); + } + reflect( normal ) { + return this.sub( _vector$c.copy( normal ).multiplyScalar( 2 * this.dot( normal ) ) ); + } + angleTo( v ) { + const denominator = Math.sqrt( this.lengthSq() * v.lengthSq() ); + if ( denominator === 0 ) return Math.PI / 2; + const theta = this.dot( v ) / denominator; + return Math.acos( clamp( theta, -1, 1 ) ); + } + distanceTo( v ) { + return Math.sqrt( this.distanceToSquared( v ) ); + } + distanceToSquared( v ) { + const dx = this.x - v.x, dy = this.y - v.y, dz = this.z - v.z; + return dx * dx + dy * dy + dz * dz; + } + manhattanDistanceTo( v ) { + return Math.abs( this.x - v.x ) + Math.abs( this.y - v.y ) + Math.abs( this.z - v.z ); + } + setFromSpherical( s ) { + return this.setFromSphericalCoords( s.radius, s.phi, s.theta ); + } + setFromSphericalCoords( radius, phi, theta ) { + const sinPhiRadius = Math.sin( phi ) * radius; + this.x = sinPhiRadius * Math.sin( theta ); + this.y = Math.cos( phi ) * radius; + this.z = sinPhiRadius * Math.cos( theta ); + return this; + } + setFromCylindrical( c ) { + return this.setFromCylindricalCoords( c.radius, c.theta, c.y ); + } + setFromCylindricalCoords( radius, theta, y ) { + this.x = radius * Math.sin( theta ); + this.y = y; + this.z = radius * Math.cos( theta ); + return this; + } + setFromMatrixPosition( m ) { + const e = m.elements; + this.x = e[ 12 ]; + this.y = e[ 13 ]; + this.z = e[ 14 ]; + return this; + } + setFromMatrixScale( m ) { + const sx = this.setFromMatrixColumn( m, 0 ).length(); + const sy = this.setFromMatrixColumn( m, 1 ).length(); + const sz = this.setFromMatrixColumn( m, 2 ).length(); + this.x = sx; + this.y = sy; + this.z = sz; + return this; + } + setFromMatrixColumn( m, index ) { + return this.fromArray( m.elements, index * 4 ); + } + setFromMatrix3Column( m, index ) { + return this.fromArray( m.elements, index * 3 ); + } + setFromEuler( e ) { + this.x = e._x; + this.y = e._y; + this.z = e._z; + return this; + } + setFromColor( c ) { + this.x = c.r; + this.y = c.g; + this.z = c.b; + return this; + } + equals( v ) { + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) ); + } + fromArray( array, offset = 0 ) { + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + return this; + } + toArray( array = [], offset = 0 ) { + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + return array; + } + fromBufferAttribute( attribute, index ) { + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + return this; + } + random() { + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + return this; + } + randomDirection() { + const theta = Math.random() * Math.PI * 2; + const u = Math.random() * 2 - 1; + const c = Math.sqrt( 1 - u * u ); + this.x = c * Math.cos( theta ); + this.y = u; + this.z = c * Math.sin( theta ); + return this; + } + *[ Symbol.iterator ]() { + yield this.x; + yield this.y; + yield this.z; + } + } + const _vector$c = new Vector3(); + const _quaternion$4 = new Quaternion(); + class Matrix3 { + constructor( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + Matrix3.prototype.isMatrix3 = true; + this.elements = [ + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + ]; + if ( n11 !== undefined ) { + this.set( n11, n12, n13, n21, n22, n23, n31, n32, n33 ); + } + } + set( n11, n12, n13, n21, n22, n23, n31, n32, n33 ) { + const te = this.elements; + te[ 0 ] = n11; te[ 1 ] = n21; te[ 2 ] = n31; + te[ 3 ] = n12; te[ 4 ] = n22; te[ 5 ] = n32; + te[ 6 ] = n13; te[ 7 ] = n23; te[ 8 ] = n33; + return this; + } + identity() { + this.set( + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + ); + return this; + } + copy( m ) { + const te = this.elements; + const me = m.elements; + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; + te[ 3 ] = me[ 3 ]; te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; + te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; te[ 8 ] = me[ 8 ]; + return this; + } + extractBasis( xAxis, yAxis, zAxis ) { + xAxis.setFromMatrix3Column( this, 0 ); + yAxis.setFromMatrix3Column( this, 1 ); + zAxis.setFromMatrix3Column( this, 2 ); + return this; + } + setFromMatrix4( m ) { + const me = m.elements; + this.set( + me[ 0 ], me[ 4 ], me[ 8 ], + me[ 1 ], me[ 5 ], me[ 9 ], + me[ 2 ], me[ 6 ], me[ 10 ] + ); + return this; + } + multiply( m ) { + return this.multiplyMatrices( this, m ); + } + premultiply( m ) { + return this.multiplyMatrices( m, this ); + } + multiplyMatrices( a, b ) { + const ae = a.elements; + const be = b.elements; + const te = this.elements; + const a11 = ae[ 0 ], a12 = ae[ 3 ], a13 = ae[ 6 ]; + const a21 = ae[ 1 ], a22 = ae[ 4 ], a23 = ae[ 7 ]; + const a31 = ae[ 2 ], a32 = ae[ 5 ], a33 = ae[ 8 ]; + const b11 = be[ 0 ], b12 = be[ 3 ], b13 = be[ 6 ]; + const b21 = be[ 1 ], b22 = be[ 4 ], b23 = be[ 7 ]; + const b31 = be[ 2 ], b32 = be[ 5 ], b33 = be[ 8 ]; + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31; + te[ 3 ] = a11 * b12 + a12 * b22 + a13 * b32; + te[ 6 ] = a11 * b13 + a12 * b23 + a13 * b33; + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31; + te[ 4 ] = a21 * b12 + a22 * b22 + a23 * b32; + te[ 7 ] = a21 * b13 + a22 * b23 + a23 * b33; + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31; + te[ 5 ] = a31 * b12 + a32 * b22 + a33 * b32; + te[ 8 ] = a31 * b13 + a32 * b23 + a33 * b33; + return this; + } + multiplyScalar( s ) { + const te = this.elements; + te[ 0 ] *= s; te[ 3 ] *= s; te[ 6 ] *= s; + te[ 1 ] *= s; te[ 4 ] *= s; te[ 7 ] *= s; + te[ 2 ] *= s; te[ 5 ] *= s; te[ 8 ] *= s; + return this; + } + determinant() { + const te = this.elements; + const a = te[ 0 ], b = te[ 1 ], c = te[ 2 ], + d = te[ 3 ], e = te[ 4 ], f = te[ 5 ], + g = te[ 6 ], h = te[ 7 ], i = te[ 8 ]; + return a * e * i - a * f * h - b * d * i + b * f * g + c * d * h - c * e * g; + } + invert() { + const te = this.elements, + n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], + n12 = te[ 3 ], n22 = te[ 4 ], n32 = te[ 5 ], + n13 = te[ 6 ], n23 = te[ 7 ], n33 = te[ 8 ], + t11 = n33 * n22 - n32 * n23, + t12 = n32 * n13 - n33 * n12, + t13 = n23 * n12 - n22 * n13, + det = n11 * t11 + n21 * t12 + n31 * t13; + if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0 ); + const detInv = 1 / det; + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n31 * n23 - n33 * n21 ) * detInv; + te[ 2 ] = ( n32 * n21 - n31 * n22 ) * detInv; + te[ 3 ] = t12 * detInv; + te[ 4 ] = ( n33 * n11 - n31 * n13 ) * detInv; + te[ 5 ] = ( n31 * n12 - n32 * n11 ) * detInv; + te[ 6 ] = t13 * detInv; + te[ 7 ] = ( n21 * n13 - n23 * n11 ) * detInv; + te[ 8 ] = ( n22 * n11 - n21 * n12 ) * detInv; + return this; + } + transpose() { + let tmp; + const m = this.elements; + tmp = m[ 1 ]; m[ 1 ] = m[ 3 ]; m[ 3 ] = tmp; + tmp = m[ 2 ]; m[ 2 ] = m[ 6 ]; m[ 6 ] = tmp; + tmp = m[ 5 ]; m[ 5 ] = m[ 7 ]; m[ 7 ] = tmp; + return this; + } + getNormalMatrix( matrix4 ) { + return this.setFromMatrix4( matrix4 ).invert().transpose(); + } + transposeIntoArray( r ) { + const m = this.elements; + r[ 0 ] = m[ 0 ]; + r[ 1 ] = m[ 3 ]; + r[ 2 ] = m[ 6 ]; + r[ 3 ] = m[ 1 ]; + r[ 4 ] = m[ 4 ]; + r[ 5 ] = m[ 7 ]; + r[ 6 ] = m[ 2 ]; + r[ 7 ] = m[ 5 ]; + r[ 8 ] = m[ 8 ]; + return this; + } + setUvTransform( tx, ty, sx, sy, rotation, cx, cy ) { + const c = Math.cos( rotation ); + const s = Math.sin( rotation ); + this.set( + sx * c, sx * s, - sx * ( c * cx + s * cy ) + cx + tx, + - sy * s, sy * c, - sy * ( - s * cx + c * cy ) + cy + ty, + 0, 0, 1 + ); + return this; + } + scale( sx, sy ) { + this.premultiply( _m3.makeScale( sx, sy ) ); + return this; + } + rotate( theta ) { + this.premultiply( _m3.makeRotation( - theta ) ); + return this; + } + translate( tx, ty ) { + this.premultiply( _m3.makeTranslation( tx, ty ) ); + return this; + } + makeTranslation( x, y ) { + if ( x.isVector2 ) { + this.set( + 1, 0, x.x, + 0, 1, x.y, + 0, 0, 1 + ); + } else { + this.set( + 1, 0, x, + 0, 1, y, + 0, 0, 1 + ); + } + return this; + } + makeRotation( theta ) { + const c = Math.cos( theta ); + const s = Math.sin( theta ); + this.set( + c, - s, 0, + s, c, 0, + 0, 0, 1 + ); + return this; + } + makeScale( x, y ) { + this.set( + x, 0, 0, + 0, y, 0, + 0, 0, 1 + ); + return this; + } + equals( matrix ) { + const te = this.elements; + const me = matrix.elements; + for ( let i = 0; i < 9; i ++ ) { + if ( te[ i ] !== me[ i ] ) return false; + } + return true; + } + fromArray( array, offset = 0 ) { + for ( let i = 0; i < 9; i ++ ) { + this.elements[ i ] = array[ i + offset ]; + } + return this; + } + toArray( array = [], offset = 0 ) { + const te = this.elements; + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + return array; + } + clone() { + return new this.constructor().fromArray( this.elements ); + } + } + const _m3 = new Matrix3(); + function arrayNeedsUint32( array ) { + for ( let i = array.length - 1; i >= 0; -- i ) { + if ( array[ i ] >= 65535 ) return true; + } + return false; + } + const TYPED_ARRAYS = { + Int8Array: Int8Array, + Uint8Array: Uint8Array, + Uint8ClampedArray: Uint8ClampedArray, + Int16Array: Int16Array, + Uint16Array: Uint16Array, + Int32Array: Int32Array, + Uint32Array: Uint32Array, + Float32Array: Float32Array, + Float64Array: Float64Array + }; + function getTypedArray( type, buffer ) { + return new TYPED_ARRAYS[ type ]( buffer ); + } + function createElementNS( name ) { + return document.createElementNS( 'http://www.w3.org/1999/xhtml', name ); + } + function createCanvasElement() { + const canvas = createElementNS( 'canvas' ); + canvas.style.display = 'block'; + return canvas; + } + const _cache = {}; + function warnOnce( message ) { + if ( message in _cache ) return; + _cache[ message ] = true; + console.warn( message ); + } + function probeAsync( gl, sync, interval ) { + return new Promise( function ( resolve, reject ) { + function probe() { + switch ( gl.clientWaitSync( sync, gl.SYNC_FLUSH_COMMANDS_BIT, 0 ) ) { + case gl.WAIT_FAILED: + reject(); + break; + case gl.TIMEOUT_EXPIRED: + setTimeout( probe, interval ); + break; + default: + resolve(); + } + } + setTimeout( probe, interval ); + } ); + } + function toNormalizedProjectionMatrix( projectionMatrix ) { + const m = projectionMatrix.elements; + m[ 2 ] = 0.5 * m[ 2 ] + 0.5 * m[ 3 ]; + m[ 6 ] = 0.5 * m[ 6 ] + 0.5 * m[ 7 ]; + m[ 10 ] = 0.5 * m[ 10 ] + 0.5 * m[ 11 ]; + m[ 14 ] = 0.5 * m[ 14 ] + 0.5 * m[ 15 ]; + } + function toReversedProjectionMatrix( projectionMatrix ) { + const m = projectionMatrix.elements; + const isPerspectiveMatrix = m[ 11 ] === -1; + if ( isPerspectiveMatrix ) { + m[ 10 ] = - m[ 10 ] - 1; + m[ 14 ] = - m[ 14 ]; + } else { + m[ 10 ] = - m[ 10 ]; + m[ 14 ] = - m[ 14 ] + 1; + } + } + const LINEAR_REC709_TO_XYZ = new Matrix3().set( + 0.4123908, 0.3575843, 0.1804808, + 0.2126390, 0.7151687, 0.0721923, + 0.0193308, 0.1191948, 0.9505322 + ); + const XYZ_TO_LINEAR_REC709 = new Matrix3().set( + 3.2409699, -1.5373832, -0.4986108, + -0.9692436, 1.8759675, 0.0415551, + 0.0556301, -0.203977, 1.0569715 + ); + function createColorManagement() { + const ColorManagement = { + enabled: true, + workingColorSpace: LinearSRGBColorSpace, + spaces: {}, + convert: function ( color, sourceColorSpace, targetColorSpace ) { + if ( this.enabled === false || sourceColorSpace === targetColorSpace || ! sourceColorSpace || ! targetColorSpace ) { + return color; + } + if ( this.spaces[ sourceColorSpace ].transfer === SRGBTransfer ) { + color.r = SRGBToLinear( color.r ); + color.g = SRGBToLinear( color.g ); + color.b = SRGBToLinear( color.b ); + } + if ( this.spaces[ sourceColorSpace ].primaries !== this.spaces[ targetColorSpace ].primaries ) { + color.applyMatrix3( this.spaces[ sourceColorSpace ].toXYZ ); + color.applyMatrix3( this.spaces[ targetColorSpace ].fromXYZ ); + } + if ( this.spaces[ targetColorSpace ].transfer === SRGBTransfer ) { + color.r = LinearToSRGB( color.r ); + color.g = LinearToSRGB( color.g ); + color.b = LinearToSRGB( color.b ); + } + return color; + }, + workingToColorSpace: function ( color, targetColorSpace ) { + return this.convert( color, this.workingColorSpace, targetColorSpace ); + }, + colorSpaceToWorking: function ( color, sourceColorSpace ) { + return this.convert( color, sourceColorSpace, this.workingColorSpace ); + }, + getPrimaries: function ( colorSpace ) { + return this.spaces[ colorSpace ].primaries; + }, + getTransfer: function ( colorSpace ) { + if ( colorSpace === NoColorSpace ) return LinearTransfer; + return this.spaces[ colorSpace ].transfer; + }, + getLuminanceCoefficients: function ( target, colorSpace = this.workingColorSpace ) { + return target.fromArray( this.spaces[ colorSpace ].luminanceCoefficients ); + }, + define: function ( colorSpaces ) { + Object.assign( this.spaces, colorSpaces ); + }, + _getMatrix: function ( targetMatrix, sourceColorSpace, targetColorSpace ) { + return targetMatrix + .copy( this.spaces[ sourceColorSpace ].toXYZ ) + .multiply( this.spaces[ targetColorSpace ].fromXYZ ); + }, + _getDrawingBufferColorSpace: function ( colorSpace ) { + return this.spaces[ colorSpace ].outputColorSpaceConfig.drawingBufferColorSpace; + }, + _getUnpackColorSpace: function ( colorSpace = this.workingColorSpace ) { + return this.spaces[ colorSpace ].workingColorSpaceConfig.unpackColorSpace; + }, + fromWorkingColorSpace: function ( color, targetColorSpace ) { + warnOnce( 'THREE.ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace().' ); + return ColorManagement.workingToColorSpace( color, targetColorSpace ); + }, + toWorkingColorSpace: function ( color, sourceColorSpace ) { + warnOnce( 'THREE.ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking().' ); + return ColorManagement.colorSpaceToWorking( color, sourceColorSpace ); + }, + }; + const REC709_PRIMARIES = [ 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 ]; + const REC709_LUMINANCE_COEFFICIENTS = [ 0.2126, 0.7152, 0.0722 ]; + const D65 = [ 0.3127, 0.3290 ]; + ColorManagement.define( { + [ LinearSRGBColorSpace ]: { + primaries: REC709_PRIMARIES, + whitePoint: D65, + transfer: LinearTransfer, + toXYZ: LINEAR_REC709_TO_XYZ, + fromXYZ: XYZ_TO_LINEAR_REC709, + luminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS, + workingColorSpaceConfig: { unpackColorSpace: SRGBColorSpace }, + outputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace } + }, + [ SRGBColorSpace ]: { + primaries: REC709_PRIMARIES, + whitePoint: D65, + transfer: SRGBTransfer, + toXYZ: LINEAR_REC709_TO_XYZ, + fromXYZ: XYZ_TO_LINEAR_REC709, + luminanceCoefficients: REC709_LUMINANCE_COEFFICIENTS, + outputColorSpaceConfig: { drawingBufferColorSpace: SRGBColorSpace } + }, + } ); + return ColorManagement; + } + const ColorManagement = createColorManagement(); + function SRGBToLinear( c ) { + return ( c < 0.04045 ) ? c * 0.0773993808 : Math.pow( c * 0.9478672986 + 0.0521327014, 2.4 ); + } + function LinearToSRGB( c ) { + return ( c < 0.0031308 ) ? c * 12.92 : 1.055 * ( Math.pow( c, 0.41666 ) ) - 0.055; + } + let _canvas; + class ImageUtils { + static getDataURL( image, type = 'image/png' ) { + if ( /^data:/i.test( image.src ) ) { + return image.src; + } + if ( typeof HTMLCanvasElement === 'undefined' ) { + return image.src; + } + let canvas; + if ( image instanceof HTMLCanvasElement ) { + canvas = image; + } else { + if ( _canvas === undefined ) _canvas = createElementNS( 'canvas' ); + _canvas.width = image.width; + _canvas.height = image.height; + const context = _canvas.getContext( '2d' ); + if ( image instanceof ImageData ) { + context.putImageData( image, 0, 0 ); + } else { + context.drawImage( image, 0, 0, image.width, image.height ); + } + canvas = _canvas; + } + return canvas.toDataURL( type ); + } + static sRGBToLinear( image ) { + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + const canvas = createElementNS( 'canvas' ); + canvas.width = image.width; + canvas.height = image.height; + const context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, image.width, image.height ); + const imageData = context.getImageData( 0, 0, image.width, image.height ); + const data = imageData.data; + for ( let i = 0; i < data.length; i ++ ) { + data[ i ] = SRGBToLinear( data[ i ] / 255 ) * 255; + } + context.putImageData( imageData, 0, 0 ); + return canvas; + } else if ( image.data ) { + const data = image.data.slice( 0 ); + for ( let i = 0; i < data.length; i ++ ) { + if ( data instanceof Uint8Array || data instanceof Uint8ClampedArray ) { + data[ i ] = Math.floor( SRGBToLinear( data[ i ] / 255 ) * 255 ); + } else { + data[ i ] = SRGBToLinear( data[ i ] ); + } + } + return { + data: data, + width: image.width, + height: image.height + }; + } else { + console.warn( 'THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.' ); + return image; + } + } + } + let _sourceId = 0; + class Source { + constructor( data = null ) { + this.isSource = true; + Object.defineProperty( this, 'id', { value: _sourceId ++ } ); + this.uuid = generateUUID(); + this.data = data; + this.dataReady = true; + this.version = 0; + } + getSize( target ) { + const data = this.data; + if ( data instanceof HTMLVideoElement ) { + target.set( data.videoWidth, data.videoHeight ); + } else if ( data !== null ) { + target.set( data.width, data.height, data.depth || 0 ); + } else { + target.set( 0, 0, 0 ); + } + return target; + } + set needsUpdate( value ) { + if ( value === true ) this.version ++; + } + toJSON( meta ) { + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + if ( ! isRootObject && meta.images[ this.uuid ] !== undefined ) { + return meta.images[ this.uuid ]; + } + const output = { + uuid: this.uuid, + url: '' + }; + const data = this.data; + if ( data !== null ) { + let url; + if ( Array.isArray( data ) ) { + url = []; + for ( let i = 0, l = data.length; i < l; i ++ ) { + if ( data[ i ].isDataTexture ) { + url.push( serializeImage( data[ i ].image ) ); + } else { + url.push( serializeImage( data[ i ] ) ); + } + } + } else { + url = serializeImage( data ); + } + output.url = url; + } + if ( ! isRootObject ) { + meta.images[ this.uuid ] = output; + } + return output; + } + } + function serializeImage( image ) { + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) ) { + return ImageUtils.getDataURL( image ); + } else { + if ( image.data ) { + return { + data: Array.from( image.data ), + width: image.width, + height: image.height, + type: image.data.constructor.name + }; + } else { + console.warn( 'THREE.Texture: Unable to serialize Texture.' ); + return {}; + } + } + } + let _textureId = 0; + const _tempVec3 = new Vector3(); + class Texture extends EventDispatcher { + constructor( image = Texture.DEFAULT_IMAGE, mapping = Texture.DEFAULT_MAPPING, wrapS = ClampToEdgeWrapping, wrapT = ClampToEdgeWrapping, magFilter = LinearFilter, minFilter = LinearMipmapLinearFilter, format = RGBAFormat, type = UnsignedByteType, anisotropy = Texture.DEFAULT_ANISOTROPY, colorSpace = NoColorSpace ) { + super(); + this.isTexture = true; + Object.defineProperty( this, 'id', { value: _textureId ++ } ); + this.uuid = generateUUID(); + this.name = ''; + this.source = new Source( image ); + this.mipmaps = []; + this.mapping = mapping; + this.channel = 0; + this.wrapS = wrapS; + this.wrapT = wrapT; + this.magFilter = magFilter; + this.minFilter = minFilter; + this.anisotropy = anisotropy; + this.format = format; + this.internalFormat = null; + this.type = type; + this.offset = new Vector2( 0, 0 ); + this.repeat = new Vector2( 1, 1 ); + this.center = new Vector2( 0, 0 ); + this.rotation = 0; + this.matrixAutoUpdate = true; + this.matrix = new Matrix3(); + this.generateMipmaps = true; + this.premultiplyAlpha = false; + this.flipY = true; + this.unpackAlignment = 4; + this.colorSpace = colorSpace; + this.userData = {}; + this.updateRanges = []; + this.version = 0; + this.onUpdate = null; + this.renderTarget = null; + this.isRenderTargetTexture = false; + this.isArrayTexture = image && image.depth && image.depth > 1 ? true : false; + this.pmremVersion = 0; + } + get width() { + return this.source.getSize( _tempVec3 ).x; + } + get height() { + return this.source.getSize( _tempVec3 ).y; + } + get depth() { + return this.source.getSize( _tempVec3 ).z; + } + get image() { + return this.source.data; + } + set image( value = null ) { + this.source.data = value; + } + updateMatrix() { + this.matrix.setUvTransform( this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y ); + } + addUpdateRange( start, count ) { + this.updateRanges.push( { start, count } ); + } + clearUpdateRanges() { + this.updateRanges.length = 0; + } + clone() { + return new this.constructor().copy( this ); + } + copy( source ) { + this.name = source.name; + this.source = source.source; + this.mipmaps = source.mipmaps.slice( 0 ); + this.mapping = source.mapping; + this.channel = source.channel; + this.wrapS = source.wrapS; + this.wrapT = source.wrapT; + this.magFilter = source.magFilter; + this.minFilter = source.minFilter; + this.anisotropy = source.anisotropy; + this.format = source.format; + this.internalFormat = source.internalFormat; + this.type = source.type; + this.offset.copy( source.offset ); + this.repeat.copy( source.repeat ); + this.center.copy( source.center ); + this.rotation = source.rotation; + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrix.copy( source.matrix ); + this.generateMipmaps = source.generateMipmaps; + this.premultiplyAlpha = source.premultiplyAlpha; + this.flipY = source.flipY; + this.unpackAlignment = source.unpackAlignment; + this.colorSpace = source.colorSpace; + this.renderTarget = source.renderTarget; + this.isRenderTargetTexture = source.isRenderTargetTexture; + this.isArrayTexture = source.isArrayTexture; + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + this.needsUpdate = true; + return this; + } + setValues( values ) { + for ( const key in values ) { + const newValue = values[ key ]; + if ( newValue === undefined ) { + console.warn( `THREE.Texture.setValues(): parameter '${ key }' has value of undefined.` ); + continue; + } + const currentValue = this[ key ]; + if ( currentValue === undefined ) { + console.warn( `THREE.Texture.setValues(): property '${ key }' does not exist.` ); + continue; + } + if ( ( currentValue && newValue ) && ( currentValue.isVector2 && newValue.isVector2 ) ) { + currentValue.copy( newValue ); + } else if ( ( currentValue && newValue ) && ( currentValue.isVector3 && newValue.isVector3 ) ) { + currentValue.copy( newValue ); + } else if ( ( currentValue && newValue ) && ( currentValue.isMatrix3 && newValue.isMatrix3 ) ) { + currentValue.copy( newValue ); + } else { + this[ key ] = newValue; + } + } + } + toJSON( meta ) { + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + if ( ! isRootObject && meta.textures[ this.uuid ] !== undefined ) { + return meta.textures[ this.uuid ]; + } + const output = { + metadata: { + version: 4.7, + type: 'Texture', + generator: 'Texture.toJSON' + }, + uuid: this.uuid, + name: this.name, + image: this.source.toJSON( meta ).uuid, + mapping: this.mapping, + channel: this.channel, + repeat: [ this.repeat.x, this.repeat.y ], + offset: [ this.offset.x, this.offset.y ], + center: [ this.center.x, this.center.y ], + rotation: this.rotation, + wrap: [ this.wrapS, this.wrapT ], + format: this.format, + internalFormat: this.internalFormat, + type: this.type, + colorSpace: this.colorSpace, + minFilter: this.minFilter, + magFilter: this.magFilter, + anisotropy: this.anisotropy, + flipY: this.flipY, + generateMipmaps: this.generateMipmaps, + premultiplyAlpha: this.premultiplyAlpha, + unpackAlignment: this.unpackAlignment + }; + if ( Object.keys( this.userData ).length > 0 ) output.userData = this.userData; + if ( ! isRootObject ) { + meta.textures[ this.uuid ] = output; + } + return output; + } + dispose() { + this.dispatchEvent( { type: 'dispose' } ); + } + transformUv( uv ) { + if ( this.mapping !== UVMapping ) return uv; + uv.applyMatrix3( this.matrix ); + if ( uv.x < 0 || uv.x > 1 ) { + switch ( this.wrapS ) { + case RepeatWrapping: + uv.x = uv.x - Math.floor( uv.x ); + break; + case ClampToEdgeWrapping: + uv.x = uv.x < 0 ? 0 : 1; + break; + case MirroredRepeatWrapping: + if ( Math.abs( Math.floor( uv.x ) % 2 ) === 1 ) { + uv.x = Math.ceil( uv.x ) - uv.x; + } else { + uv.x = uv.x - Math.floor( uv.x ); + } + break; + } + } + if ( uv.y < 0 || uv.y > 1 ) { + switch ( this.wrapT ) { + case RepeatWrapping: + uv.y = uv.y - Math.floor( uv.y ); + break; + case ClampToEdgeWrapping: + uv.y = uv.y < 0 ? 0 : 1; + break; + case MirroredRepeatWrapping: + if ( Math.abs( Math.floor( uv.y ) % 2 ) === 1 ) { + uv.y = Math.ceil( uv.y ) - uv.y; + } else { + uv.y = uv.y - Math.floor( uv.y ); + } + break; + } + } + if ( this.flipY ) { + uv.y = 1 - uv.y; + } + return uv; + } + set needsUpdate( value ) { + if ( value === true ) { + this.version ++; + this.source.needsUpdate = true; + } + } + set needsPMREMUpdate( value ) { + if ( value === true ) { + this.pmremVersion ++; + } + } + } + Texture.DEFAULT_IMAGE = null; + Texture.DEFAULT_MAPPING = UVMapping; + Texture.DEFAULT_ANISOTROPY = 1; + class Vector4 { + constructor( x = 0, y = 0, z = 0, w = 1 ) { + Vector4.prototype.isVector4 = true; + this.x = x; + this.y = y; + this.z = z; + this.w = w; + } + get width() { + return this.z; + } + set width( value ) { + this.z = value; + } + get height() { + return this.w; + } + set height( value ) { + this.w = value; + } + set( x, y, z, w ) { + this.x = x; + this.y = y; + this.z = z; + this.w = w; + return this; + } + setScalar( scalar ) { + this.x = scalar; + this.y = scalar; + this.z = scalar; + this.w = scalar; + return this; + } + setX( x ) { + this.x = x; + return this; + } + setY( y ) { + this.y = y; + return this; + } + setZ( z ) { + this.z = z; + return this; + } + setW( w ) { + this.w = w; + return this; + } + setComponent( index, value ) { + switch ( index ) { + case 0: this.x = value; break; + case 1: this.y = value; break; + case 2: this.z = value; break; + case 3: this.w = value; break; + default: throw new Error( 'index is out of range: ' + index ); + } + return this; + } + getComponent( index ) { + switch ( index ) { + case 0: return this.x; + case 1: return this.y; + case 2: return this.z; + case 3: return this.w; + default: throw new Error( 'index is out of range: ' + index ); + } + } + clone() { + return new this.constructor( this.x, this.y, this.z, this.w ); + } + copy( v ) { + this.x = v.x; + this.y = v.y; + this.z = v.z; + this.w = ( v.w !== undefined ) ? v.w : 1; + return this; + } + add( v ) { + this.x += v.x; + this.y += v.y; + this.z += v.z; + this.w += v.w; + return this; + } + addScalar( s ) { + this.x += s; + this.y += s; + this.z += s; + this.w += s; + return this; + } + addVectors( a, b ) { + this.x = a.x + b.x; + this.y = a.y + b.y; + this.z = a.z + b.z; + this.w = a.w + b.w; + return this; + } + addScaledVector( v, s ) { + this.x += v.x * s; + this.y += v.y * s; + this.z += v.z * s; + this.w += v.w * s; + return this; + } + sub( v ) { + this.x -= v.x; + this.y -= v.y; + this.z -= v.z; + this.w -= v.w; + return this; + } + subScalar( s ) { + this.x -= s; + this.y -= s; + this.z -= s; + this.w -= s; + return this; + } + subVectors( a, b ) { + this.x = a.x - b.x; + this.y = a.y - b.y; + this.z = a.z - b.z; + this.w = a.w - b.w; + return this; + } + multiply( v ) { + this.x *= v.x; + this.y *= v.y; + this.z *= v.z; + this.w *= v.w; + return this; + } + multiplyScalar( scalar ) { + this.x *= scalar; + this.y *= scalar; + this.z *= scalar; + this.w *= scalar; + return this; + } + applyMatrix4( m ) { + const x = this.x, y = this.y, z = this.z, w = this.w; + const e = m.elements; + this.x = e[ 0 ] * x + e[ 4 ] * y + e[ 8 ] * z + e[ 12 ] * w; + this.y = e[ 1 ] * x + e[ 5 ] * y + e[ 9 ] * z + e[ 13 ] * w; + this.z = e[ 2 ] * x + e[ 6 ] * y + e[ 10 ] * z + e[ 14 ] * w; + this.w = e[ 3 ] * x + e[ 7 ] * y + e[ 11 ] * z + e[ 15 ] * w; + return this; + } + divide( v ) { + this.x /= v.x; + this.y /= v.y; + this.z /= v.z; + this.w /= v.w; + return this; + } + divideScalar( scalar ) { + return this.multiplyScalar( 1 / scalar ); + } + setAxisAngleFromQuaternion( q ) { + this.w = 2 * Math.acos( q.w ); + const s = Math.sqrt( 1 - q.w * q.w ); + if ( s < 0.0001 ) { + this.x = 1; + this.y = 0; + this.z = 0; + } else { + this.x = q.x / s; + this.y = q.y / s; + this.z = q.z / s; + } + return this; + } + setAxisAngleFromRotationMatrix( m ) { + let angle, x, y, z; + const epsilon = 0.01, + epsilon2 = 0.1, + te = m.elements, + m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ], + m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ], + m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + if ( ( Math.abs( m12 - m21 ) < epsilon ) && + ( Math.abs( m13 - m31 ) < epsilon ) && + ( Math.abs( m23 - m32 ) < epsilon ) ) { + if ( ( Math.abs( m12 + m21 ) < epsilon2 ) && + ( Math.abs( m13 + m31 ) < epsilon2 ) && + ( Math.abs( m23 + m32 ) < epsilon2 ) && + ( Math.abs( m11 + m22 + m33 - 3 ) < epsilon2 ) ) { + this.set( 1, 0, 0, 0 ); + return this; + } + angle = Math.PI; + const xx = ( m11 + 1 ) / 2; + const yy = ( m22 + 1 ) / 2; + const zz = ( m33 + 1 ) / 2; + const xy = ( m12 + m21 ) / 4; + const xz = ( m13 + m31 ) / 4; + const yz = ( m23 + m32 ) / 4; + if ( ( xx > yy ) && ( xx > zz ) ) { + if ( xx < epsilon ) { + x = 0; + y = 0.707106781; + z = 0.707106781; + } else { + x = Math.sqrt( xx ); + y = xy / x; + z = xz / x; + } + } else if ( yy > zz ) { + if ( yy < epsilon ) { + x = 0.707106781; + y = 0; + z = 0.707106781; + } else { + y = Math.sqrt( yy ); + x = xy / y; + z = yz / y; + } + } else { + if ( zz < epsilon ) { + x = 0.707106781; + y = 0.707106781; + z = 0; + } else { + z = Math.sqrt( zz ); + x = xz / z; + y = yz / z; + } + } + this.set( x, y, z, angle ); + return this; + } + let s = Math.sqrt( ( m32 - m23 ) * ( m32 - m23 ) + + ( m13 - m31 ) * ( m13 - m31 ) + + ( m21 - m12 ) * ( m21 - m12 ) ); + if ( Math.abs( s ) < 0.001 ) s = 1; + this.x = ( m32 - m23 ) / s; + this.y = ( m13 - m31 ) / s; + this.z = ( m21 - m12 ) / s; + this.w = Math.acos( ( m11 + m22 + m33 - 1 ) / 2 ); + return this; + } + setFromMatrixPosition( m ) { + const e = m.elements; + this.x = e[ 12 ]; + this.y = e[ 13 ]; + this.z = e[ 14 ]; + this.w = e[ 15 ]; + return this; + } + min( v ) { + this.x = Math.min( this.x, v.x ); + this.y = Math.min( this.y, v.y ); + this.z = Math.min( this.z, v.z ); + this.w = Math.min( this.w, v.w ); + return this; + } + max( v ) { + this.x = Math.max( this.x, v.x ); + this.y = Math.max( this.y, v.y ); + this.z = Math.max( this.z, v.z ); + this.w = Math.max( this.w, v.w ); + return this; + } + clamp( min, max ) { + this.x = clamp( this.x, min.x, max.x ); + this.y = clamp( this.y, min.y, max.y ); + this.z = clamp( this.z, min.z, max.z ); + this.w = clamp( this.w, min.w, max.w ); + return this; + } + clampScalar( minVal, maxVal ) { + this.x = clamp( this.x, minVal, maxVal ); + this.y = clamp( this.y, minVal, maxVal ); + this.z = clamp( this.z, minVal, maxVal ); + this.w = clamp( this.w, minVal, maxVal ); + return this; + } + clampLength( min, max ) { + const length = this.length(); + return this.divideScalar( length || 1 ).multiplyScalar( clamp( length, min, max ) ); + } + floor() { + this.x = Math.floor( this.x ); + this.y = Math.floor( this.y ); + this.z = Math.floor( this.z ); + this.w = Math.floor( this.w ); + return this; + } + ceil() { + this.x = Math.ceil( this.x ); + this.y = Math.ceil( this.y ); + this.z = Math.ceil( this.z ); + this.w = Math.ceil( this.w ); + return this; + } + round() { + this.x = Math.round( this.x ); + this.y = Math.round( this.y ); + this.z = Math.round( this.z ); + this.w = Math.round( this.w ); + return this; + } + roundToZero() { + this.x = Math.trunc( this.x ); + this.y = Math.trunc( this.y ); + this.z = Math.trunc( this.z ); + this.w = Math.trunc( this.w ); + return this; + } + negate() { + this.x = - this.x; + this.y = - this.y; + this.z = - this.z; + this.w = - this.w; + return this; + } + dot( v ) { + return this.x * v.x + this.y * v.y + this.z * v.z + this.w * v.w; + } + lengthSq() { + return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w; + } + length() { + return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w ); + } + manhattanLength() { + return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z ) + Math.abs( this.w ); + } + normalize() { + return this.divideScalar( this.length() || 1 ); + } + setLength( length ) { + return this.normalize().multiplyScalar( length ); + } + lerp( v, alpha ) { + this.x += ( v.x - this.x ) * alpha; + this.y += ( v.y - this.y ) * alpha; + this.z += ( v.z - this.z ) * alpha; + this.w += ( v.w - this.w ) * alpha; + return this; + } + lerpVectors( v1, v2, alpha ) { + this.x = v1.x + ( v2.x - v1.x ) * alpha; + this.y = v1.y + ( v2.y - v1.y ) * alpha; + this.z = v1.z + ( v2.z - v1.z ) * alpha; + this.w = v1.w + ( v2.w - v1.w ) * alpha; + return this; + } + equals( v ) { + return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) && ( v.w === this.w ) ); + } + fromArray( array, offset = 0 ) { + this.x = array[ offset ]; + this.y = array[ offset + 1 ]; + this.z = array[ offset + 2 ]; + this.w = array[ offset + 3 ]; + return this; + } + toArray( array = [], offset = 0 ) { + array[ offset ] = this.x; + array[ offset + 1 ] = this.y; + array[ offset + 2 ] = this.z; + array[ offset + 3 ] = this.w; + return array; + } + fromBufferAttribute( attribute, index ) { + this.x = attribute.getX( index ); + this.y = attribute.getY( index ); + this.z = attribute.getZ( index ); + this.w = attribute.getW( index ); + return this; + } + random() { + this.x = Math.random(); + this.y = Math.random(); + this.z = Math.random(); + this.w = Math.random(); + return this; + } + *[ Symbol.iterator ]() { + yield this.x; + yield this.y; + yield this.z; + yield this.w; + } + } + class RenderTarget extends EventDispatcher { + constructor( width = 1, height = 1, options = {} ) { + super(); + options = Object.assign( { + generateMipmaps: false, + internalFormat: null, + minFilter: LinearFilter, + depthBuffer: true, + stencilBuffer: false, + resolveDepthBuffer: true, + resolveStencilBuffer: true, + depthTexture: null, + samples: 0, + count: 1, + depth: 1, + multiview: false + }, options ); + this.isRenderTarget = true; + this.width = width; + this.height = height; + this.depth = options.depth; + this.scissor = new Vector4( 0, 0, width, height ); + this.scissorTest = false; + this.viewport = new Vector4( 0, 0, width, height ); + const image = { width: width, height: height, depth: options.depth }; + const texture = new Texture( image ); + this.textures = []; + const count = options.count; + for ( let i = 0; i < count; i ++ ) { + this.textures[ i ] = texture.clone(); + this.textures[ i ].isRenderTargetTexture = true; + this.textures[ i ].renderTarget = this; + } + this._setTextureOptions( options ); + this.depthBuffer = options.depthBuffer; + this.stencilBuffer = options.stencilBuffer; + this.resolveDepthBuffer = options.resolveDepthBuffer; + this.resolveStencilBuffer = options.resolveStencilBuffer; + this._depthTexture = null; + this.depthTexture = options.depthTexture; + this.samples = options.samples; + this.multiview = options.multiview; + } + _setTextureOptions( options = {} ) { + const values = { + minFilter: LinearFilter, + generateMipmaps: false, + flipY: false, + internalFormat: null + }; + if ( options.mapping !== undefined ) values.mapping = options.mapping; + if ( options.wrapS !== undefined ) values.wrapS = options.wrapS; + if ( options.wrapT !== undefined ) values.wrapT = options.wrapT; + if ( options.wrapR !== undefined ) values.wrapR = options.wrapR; + if ( options.magFilter !== undefined ) values.magFilter = options.magFilter; + if ( options.minFilter !== undefined ) values.minFilter = options.minFilter; + if ( options.format !== undefined ) values.format = options.format; + if ( options.type !== undefined ) values.type = options.type; + if ( options.anisotropy !== undefined ) values.anisotropy = options.anisotropy; + if ( options.colorSpace !== undefined ) values.colorSpace = options.colorSpace; + if ( options.flipY !== undefined ) values.flipY = options.flipY; + if ( options.generateMipmaps !== undefined ) values.generateMipmaps = options.generateMipmaps; + if ( options.internalFormat !== undefined ) values.internalFormat = options.internalFormat; + for ( let i = 0; i < this.textures.length; i ++ ) { + const texture = this.textures[ i ]; + texture.setValues( values ); + } + } + get texture() { + return this.textures[ 0 ]; + } + set texture( value ) { + this.textures[ 0 ] = value; + } + set depthTexture( current ) { + if ( this._depthTexture !== null ) this._depthTexture.renderTarget = null; + if ( current !== null ) current.renderTarget = this; + this._depthTexture = current; + } + get depthTexture() { + return this._depthTexture; + } + setSize( width, height, depth = 1 ) { + if ( this.width !== width || this.height !== height || this.depth !== depth ) { + this.width = width; + this.height = height; + this.depth = depth; + for ( let i = 0, il = this.textures.length; i < il; i ++ ) { + this.textures[ i ].image.width = width; + this.textures[ i ].image.height = height; + this.textures[ i ].image.depth = depth; + this.textures[ i ].isArrayTexture = this.textures[ i ].image.depth > 1; + } + this.dispose(); + } + this.viewport.set( 0, 0, width, height ); + this.scissor.set( 0, 0, width, height ); + } + clone() { + return new this.constructor().copy( this ); + } + copy( source ) { + this.width = source.width; + this.height = source.height; + this.depth = source.depth; + this.scissor.copy( source.scissor ); + this.scissorTest = source.scissorTest; + this.viewport.copy( source.viewport ); + this.textures.length = 0; + for ( let i = 0, il = source.textures.length; i < il; i ++ ) { + this.textures[ i ] = source.textures[ i ].clone(); + this.textures[ i ].isRenderTargetTexture = true; + this.textures[ i ].renderTarget = this; + const image = Object.assign( {}, source.textures[ i ].image ); + this.textures[ i ].source = new Source( image ); + } + this.depthBuffer = source.depthBuffer; + this.stencilBuffer = source.stencilBuffer; + this.resolveDepthBuffer = source.resolveDepthBuffer; + this.resolveStencilBuffer = source.resolveStencilBuffer; + if ( source.depthTexture !== null ) this.depthTexture = source.depthTexture.clone(); + this.samples = source.samples; + return this; + } + dispose() { + this.dispatchEvent( { type: 'dispose' } ); + } + } + class WebGLRenderTarget extends RenderTarget { + constructor( width = 1, height = 1, options = {} ) { + super( width, height, options ); + this.isWebGLRenderTarget = true; + } + } + class DataArrayTexture extends Texture { + constructor( data = null, width = 1, height = 1, depth = 1 ) { + super( null ); + this.isDataArrayTexture = true; + this.image = { data, width, height, depth }; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.wrapR = ClampToEdgeWrapping; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + this.layerUpdates = new Set(); + } + addLayerUpdate( layerIndex ) { + this.layerUpdates.add( layerIndex ); + } + clearLayerUpdates() { + this.layerUpdates.clear(); + } + } + class WebGLArrayRenderTarget extends WebGLRenderTarget { + constructor( width = 1, height = 1, depth = 1, options = {} ) { + super( width, height, options ); + this.isWebGLArrayRenderTarget = true; + this.depth = depth; + this.texture = new DataArrayTexture( null, width, height, depth ); + this._setTextureOptions( options ); + this.texture.isRenderTargetTexture = true; + } + } + class Data3DTexture extends Texture { + constructor( data = null, width = 1, height = 1, depth = 1 ) { + super( null ); + this.isData3DTexture = true; + this.image = { data, width, height, depth }; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.wrapR = ClampToEdgeWrapping; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } + } + class WebGL3DRenderTarget extends WebGLRenderTarget { + constructor( width = 1, height = 1, depth = 1, options = {} ) { + super( width, height, options ); + this.isWebGL3DRenderTarget = true; + this.depth = depth; + this.texture = new Data3DTexture( null, width, height, depth ); + this._setTextureOptions( options ); + this.texture.isRenderTargetTexture = true; + } + } + class Box3 { + constructor( min = new Vector3( + Infinity, + Infinity, + Infinity ), max = new Vector3( - Infinity, - Infinity, - Infinity ) ) { + this.isBox3 = true; + this.min = min; + this.max = max; + } + set( min, max ) { + this.min.copy( min ); + this.max.copy( max ); + return this; + } + setFromArray( array ) { + this.makeEmpty(); + for ( let i = 0, il = array.length; i < il; i += 3 ) { + this.expandByPoint( _vector$b.fromArray( array, i ) ); + } + return this; + } + setFromBufferAttribute( attribute ) { + this.makeEmpty(); + for ( let i = 0, il = attribute.count; i < il; i ++ ) { + this.expandByPoint( _vector$b.fromBufferAttribute( attribute, i ) ); + } + return this; + } + setFromPoints( points ) { + this.makeEmpty(); + for ( let i = 0, il = points.length; i < il; i ++ ) { + this.expandByPoint( points[ i ] ); + } + return this; + } + setFromCenterAndSize( center, size ) { + const halfSize = _vector$b.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + return this; + } + setFromObject( object, precise = false ) { + this.makeEmpty(); + return this.expandByObject( object, precise ); + } + clone() { + return new this.constructor().copy( this ); + } + copy( box ) { + this.min.copy( box.min ); + this.max.copy( box.max ); + return this; + } + makeEmpty() { + this.min.x = this.min.y = this.min.z = + Infinity; + this.max.x = this.max.y = this.max.z = - Infinity; + return this; + } + isEmpty() { + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ) || ( this.max.z < this.min.z ); + } + getCenter( target ) { + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + } + getSize( target ) { + return this.isEmpty() ? target.set( 0, 0, 0 ) : target.subVectors( this.max, this.min ); + } + expandByPoint( point ) { + this.min.min( point ); + this.max.max( point ); + return this; + } + expandByVector( vector ) { + this.min.sub( vector ); + this.max.add( vector ); + return this; + } + expandByScalar( scalar ) { + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + return this; + } + expandByObject( object, precise = false ) { + object.updateWorldMatrix( false, false ); + const geometry = object.geometry; + if ( geometry !== undefined ) { + const positionAttribute = geometry.getAttribute( 'position' ); + if ( precise === true && positionAttribute !== undefined && object.isInstancedMesh !== true ) { + for ( let i = 0, l = positionAttribute.count; i < l; i ++ ) { + if ( object.isMesh === true ) { + object.getVertexPosition( i, _vector$b ); + } else { + _vector$b.fromBufferAttribute( positionAttribute, i ); + } + _vector$b.applyMatrix4( object.matrixWorld ); + this.expandByPoint( _vector$b ); + } + } else { + if ( object.boundingBox !== undefined ) { + if ( object.boundingBox === null ) { + object.computeBoundingBox(); + } + _box$4.copy( object.boundingBox ); + } else { + if ( geometry.boundingBox === null ) { + geometry.computeBoundingBox(); + } + _box$4.copy( geometry.boundingBox ); + } + _box$4.applyMatrix4( object.matrixWorld ); + this.union( _box$4 ); + } + } + const children = object.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + this.expandByObject( children[ i ], precise ); + } + return this; + } + containsPoint( point ) { + return point.x >= this.min.x && point.x <= this.max.x && + point.y >= this.min.y && point.y <= this.max.y && + point.z >= this.min.z && point.z <= this.max.z; + } + containsBox( box ) { + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y && + this.min.z <= box.min.z && box.max.z <= this.max.z; + } + getParameter( point, target ) { + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ), + ( point.z - this.min.z ) / ( this.max.z - this.min.z ) + ); + } + intersectsBox( box ) { + return box.max.x >= this.min.x && box.min.x <= this.max.x && + box.max.y >= this.min.y && box.min.y <= this.max.y && + box.max.z >= this.min.z && box.min.z <= this.max.z; + } + intersectsSphere( sphere ) { + this.clampPoint( sphere.center, _vector$b ); + return _vector$b.distanceToSquared( sphere.center ) <= ( sphere.radius * sphere.radius ); + } + intersectsPlane( plane ) { + let min, max; + if ( plane.normal.x > 0 ) { + min = plane.normal.x * this.min.x; + max = plane.normal.x * this.max.x; + } else { + min = plane.normal.x * this.max.x; + max = plane.normal.x * this.min.x; + } + if ( plane.normal.y > 0 ) { + min += plane.normal.y * this.min.y; + max += plane.normal.y * this.max.y; + } else { + min += plane.normal.y * this.max.y; + max += plane.normal.y * this.min.y; + } + if ( plane.normal.z > 0 ) { + min += plane.normal.z * this.min.z; + max += plane.normal.z * this.max.z; + } else { + min += plane.normal.z * this.max.z; + max += plane.normal.z * this.min.z; + } + return ( min <= - plane.constant && max >= - plane.constant ); + } + intersectsTriangle( triangle ) { + if ( this.isEmpty() ) { + return false; + } + this.getCenter( _center ); + _extents.subVectors( this.max, _center ); + _v0$2.subVectors( triangle.a, _center ); + _v1$7.subVectors( triangle.b, _center ); + _v2$4.subVectors( triangle.c, _center ); + _f0.subVectors( _v1$7, _v0$2 ); + _f1.subVectors( _v2$4, _v1$7 ); + _f2.subVectors( _v0$2, _v2$4 ); + let axes = [ + 0, - _f0.z, _f0.y, 0, - _f1.z, _f1.y, 0, - _f2.z, _f2.y, + _f0.z, 0, - _f0.x, _f1.z, 0, - _f1.x, _f2.z, 0, - _f2.x, + - _f0.y, _f0.x, 0, - _f1.y, _f1.x, 0, - _f2.y, _f2.x, 0 + ]; + if ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) { + return false; + } + axes = [ 1, 0, 0, 0, 1, 0, 0, 0, 1 ]; + if ( ! satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ) ) { + return false; + } + _triangleNormal.crossVectors( _f0, _f1 ); + axes = [ _triangleNormal.x, _triangleNormal.y, _triangleNormal.z ]; + return satForAxes( axes, _v0$2, _v1$7, _v2$4, _extents ); + } + clampPoint( point, target ) { + return target.copy( point ).clamp( this.min, this.max ); + } + distanceToPoint( point ) { + return this.clampPoint( point, _vector$b ).distanceTo( point ); + } + getBoundingSphere( target ) { + if ( this.isEmpty() ) { + target.makeEmpty(); + } else { + this.getCenter( target.center ); + target.radius = this.getSize( _vector$b ).length() * 0.5; + } + return target; + } + intersect( box ) { + this.min.max( box.min ); + this.max.min( box.max ); + if ( this.isEmpty() ) this.makeEmpty(); + return this; + } + union( box ) { + this.min.min( box.min ); + this.max.max( box.max ); + return this; + } + applyMatrix4( matrix ) { + if ( this.isEmpty() ) return this; + _points[ 0 ].set( this.min.x, this.min.y, this.min.z ).applyMatrix4( matrix ); + _points[ 1 ].set( this.min.x, this.min.y, this.max.z ).applyMatrix4( matrix ); + _points[ 2 ].set( this.min.x, this.max.y, this.min.z ).applyMatrix4( matrix ); + _points[ 3 ].set( this.min.x, this.max.y, this.max.z ).applyMatrix4( matrix ); + _points[ 4 ].set( this.max.x, this.min.y, this.min.z ).applyMatrix4( matrix ); + _points[ 5 ].set( this.max.x, this.min.y, this.max.z ).applyMatrix4( matrix ); + _points[ 6 ].set( this.max.x, this.max.y, this.min.z ).applyMatrix4( matrix ); + _points[ 7 ].set( this.max.x, this.max.y, this.max.z ).applyMatrix4( matrix ); + this.setFromPoints( _points ); + return this; + } + translate( offset ) { + this.min.add( offset ); + this.max.add( offset ); + return this; + } + equals( box ) { + return box.min.equals( this.min ) && box.max.equals( this.max ); + } + toJSON() { + return { + min: this.min.toArray(), + max: this.max.toArray() + }; + } + fromJSON( json ) { + this.min.fromArray( json.min ); + this.max.fromArray( json.max ); + return this; + } + } + const _points = [ + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3(), + new Vector3() + ]; + const _vector$b = new Vector3(); + const _box$4 = new Box3(); + const _v0$2 = new Vector3(); + const _v1$7 = new Vector3(); + const _v2$4 = new Vector3(); + const _f0 = new Vector3(); + const _f1 = new Vector3(); + const _f2 = new Vector3(); + const _center = new Vector3(); + const _extents = new Vector3(); + const _triangleNormal = new Vector3(); + const _testAxis = new Vector3(); + function satForAxes( axes, v0, v1, v2, extents ) { + for ( let i = 0, j = axes.length - 3; i <= j; i += 3 ) { + _testAxis.fromArray( axes, i ); + const r = extents.x * Math.abs( _testAxis.x ) + extents.y * Math.abs( _testAxis.y ) + extents.z * Math.abs( _testAxis.z ); + const p0 = v0.dot( _testAxis ); + const p1 = v1.dot( _testAxis ); + const p2 = v2.dot( _testAxis ); + if ( Math.max( - Math.max( p0, p1, p2 ), Math.min( p0, p1, p2 ) ) > r ) { + return false; + } + } + return true; + } + const _box$3 = new Box3(); + const _v1$6 = new Vector3(); + const _v2$3 = new Vector3(); + class Sphere { + constructor( center = new Vector3(), radius = -1 ) { + this.isSphere = true; + this.center = center; + this.radius = radius; + } + set( center, radius ) { + this.center.copy( center ); + this.radius = radius; + return this; + } + setFromPoints( points, optionalCenter ) { + const center = this.center; + if ( optionalCenter !== undefined ) { + center.copy( optionalCenter ); + } else { + _box$3.setFromPoints( points ).getCenter( center ); + } + let maxRadiusSq = 0; + for ( let i = 0, il = points.length; i < il; i ++ ) { + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( points[ i ] ) ); + } + this.radius = Math.sqrt( maxRadiusSq ); + return this; + } + copy( sphere ) { + this.center.copy( sphere.center ); + this.radius = sphere.radius; + return this; + } + isEmpty() { + return ( this.radius < 0 ); + } + makeEmpty() { + this.center.set( 0, 0, 0 ); + this.radius = -1; + return this; + } + containsPoint( point ) { + return ( point.distanceToSquared( this.center ) <= ( this.radius * this.radius ) ); + } + distanceToPoint( point ) { + return ( point.distanceTo( this.center ) - this.radius ); + } + intersectsSphere( sphere ) { + const radiusSum = this.radius + sphere.radius; + return sphere.center.distanceToSquared( this.center ) <= ( radiusSum * radiusSum ); + } + intersectsBox( box ) { + return box.intersectsSphere( this ); + } + intersectsPlane( plane ) { + return Math.abs( plane.distanceToPoint( this.center ) ) <= this.radius; + } + clampPoint( point, target ) { + const deltaLengthSq = this.center.distanceToSquared( point ); + target.copy( point ); + if ( deltaLengthSq > ( this.radius * this.radius ) ) { + target.sub( this.center ).normalize(); + target.multiplyScalar( this.radius ).add( this.center ); + } + return target; + } + getBoundingBox( target ) { + if ( this.isEmpty() ) { + target.makeEmpty(); + return target; + } + target.set( this.center, this.center ); + target.expandByScalar( this.radius ); + return target; + } + applyMatrix4( matrix ) { + this.center.applyMatrix4( matrix ); + this.radius = this.radius * matrix.getMaxScaleOnAxis(); + return this; + } + translate( offset ) { + this.center.add( offset ); + return this; + } + expandByPoint( point ) { + if ( this.isEmpty() ) { + this.center.copy( point ); + this.radius = 0; + return this; + } + _v1$6.subVectors( point, this.center ); + const lengthSq = _v1$6.lengthSq(); + if ( lengthSq > ( this.radius * this.radius ) ) { + const length = Math.sqrt( lengthSq ); + const delta = ( length - this.radius ) * 0.5; + this.center.addScaledVector( _v1$6, delta / length ); + this.radius += delta; + } + return this; + } + union( sphere ) { + if ( sphere.isEmpty() ) { + return this; + } + if ( this.isEmpty() ) { + this.copy( sphere ); + return this; + } + if ( this.center.equals( sphere.center ) === true ) { + this.radius = Math.max( this.radius, sphere.radius ); + } else { + _v2$3.subVectors( sphere.center, this.center ).setLength( sphere.radius ); + this.expandByPoint( _v1$6.copy( sphere.center ).add( _v2$3 ) ); + this.expandByPoint( _v1$6.copy( sphere.center ).sub( _v2$3 ) ); + } + return this; + } + equals( sphere ) { + return sphere.center.equals( this.center ) && ( sphere.radius === this.radius ); + } + clone() { + return new this.constructor().copy( this ); + } + toJSON() { + return { + radius: this.radius, + center: this.center.toArray() + }; + } + fromJSON( json ) { + this.radius = json.radius; + this.center.fromArray( json.center ); + return this; + } + } + const _vector$a = new Vector3(); + const _segCenter = new Vector3(); + const _segDir = new Vector3(); + const _diff = new Vector3(); + const _edge1 = new Vector3(); + const _edge2 = new Vector3(); + const _normal$1 = new Vector3(); + class Ray { + constructor( origin = new Vector3(), direction = new Vector3( 0, 0, -1 ) ) { + this.origin = origin; + this.direction = direction; + } + set( origin, direction ) { + this.origin.copy( origin ); + this.direction.copy( direction ); + return this; + } + copy( ray ) { + this.origin.copy( ray.origin ); + this.direction.copy( ray.direction ); + return this; + } + at( t, target ) { + return target.copy( this.origin ).addScaledVector( this.direction, t ); + } + lookAt( v ) { + this.direction.copy( v ).sub( this.origin ).normalize(); + return this; + } + recast( t ) { + this.origin.copy( this.at( t, _vector$a ) ); + return this; + } + closestPointToPoint( point, target ) { + target.subVectors( point, this.origin ); + const directionDistance = target.dot( this.direction ); + if ( directionDistance < 0 ) { + return target.copy( this.origin ); + } + return target.copy( this.origin ).addScaledVector( this.direction, directionDistance ); + } + distanceToPoint( point ) { + return Math.sqrt( this.distanceSqToPoint( point ) ); + } + distanceSqToPoint( point ) { + const directionDistance = _vector$a.subVectors( point, this.origin ).dot( this.direction ); + if ( directionDistance < 0 ) { + return this.origin.distanceToSquared( point ); + } + _vector$a.copy( this.origin ).addScaledVector( this.direction, directionDistance ); + return _vector$a.distanceToSquared( point ); + } + distanceSqToSegment( v0, v1, optionalPointOnRay, optionalPointOnSegment ) { + _segCenter.copy( v0 ).add( v1 ).multiplyScalar( 0.5 ); + _segDir.copy( v1 ).sub( v0 ).normalize(); + _diff.copy( this.origin ).sub( _segCenter ); + const segExtent = v0.distanceTo( v1 ) * 0.5; + const a01 = - this.direction.dot( _segDir ); + const b0 = _diff.dot( this.direction ); + const b1 = - _diff.dot( _segDir ); + const c = _diff.lengthSq(); + const det = Math.abs( 1 - a01 * a01 ); + let s0, s1, sqrDist, extDet; + if ( det > 0 ) { + s0 = a01 * b1 - b0; + s1 = a01 * b0 - b1; + extDet = segExtent * det; + if ( s0 >= 0 ) { + if ( s1 >= - extDet ) { + if ( s1 <= extDet ) { + const invDet = 1 / det; + s0 *= invDet; + s1 *= invDet; + sqrDist = s0 * ( s0 + a01 * s1 + 2 * b0 ) + s1 * ( a01 * s0 + s1 + 2 * b1 ) + c; + } else { + s1 = segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } + } else { + s1 = - segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } + } else { + if ( s1 <= - extDet ) { + s0 = Math.max( 0, - ( - a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? - segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } else if ( s1 <= extDet ) { + s0 = 0; + s1 = Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = s1 * ( s1 + 2 * b1 ) + c; + } else { + s0 = Math.max( 0, - ( a01 * segExtent + b0 ) ); + s1 = ( s0 > 0 ) ? segExtent : Math.min( Math.max( - segExtent, - b1 ), segExtent ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } + } + } else { + s1 = ( a01 > 0 ) ? - segExtent : segExtent; + s0 = Math.max( 0, - ( a01 * s1 + b0 ) ); + sqrDist = - s0 * s0 + s1 * ( s1 + 2 * b1 ) + c; + } + if ( optionalPointOnRay ) { + optionalPointOnRay.copy( this.origin ).addScaledVector( this.direction, s0 ); + } + if ( optionalPointOnSegment ) { + optionalPointOnSegment.copy( _segCenter ).addScaledVector( _segDir, s1 ); + } + return sqrDist; + } + intersectSphere( sphere, target ) { + _vector$a.subVectors( sphere.center, this.origin ); + const tca = _vector$a.dot( this.direction ); + const d2 = _vector$a.dot( _vector$a ) - tca * tca; + const radius2 = sphere.radius * sphere.radius; + if ( d2 > radius2 ) return null; + const thc = Math.sqrt( radius2 - d2 ); + const t0 = tca - thc; + const t1 = tca + thc; + if ( t1 < 0 ) return null; + if ( t0 < 0 ) return this.at( t1, target ); + return this.at( t0, target ); + } + intersectsSphere( sphere ) { + if ( sphere.radius < 0 ) return false; + return this.distanceSqToPoint( sphere.center ) <= ( sphere.radius * sphere.radius ); + } + distanceToPlane( plane ) { + const denominator = plane.normal.dot( this.direction ); + if ( denominator === 0 ) { + if ( plane.distanceToPoint( this.origin ) === 0 ) { + return 0; + } + return null; + } + const t = - ( this.origin.dot( plane.normal ) + plane.constant ) / denominator; + return t >= 0 ? t : null; + } + intersectPlane( plane, target ) { + const t = this.distanceToPlane( plane ); + if ( t === null ) { + return null; + } + return this.at( t, target ); + } + intersectsPlane( plane ) { + const distToPoint = plane.distanceToPoint( this.origin ); + if ( distToPoint === 0 ) { + return true; + } + const denominator = plane.normal.dot( this.direction ); + if ( denominator * distToPoint < 0 ) { + return true; + } + return false; + } + intersectBox( box, target ) { + let tmin, tmax, tymin, tymax, tzmin, tzmax; + const invdirx = 1 / this.direction.x, + invdiry = 1 / this.direction.y, + invdirz = 1 / this.direction.z; + const origin = this.origin; + if ( invdirx >= 0 ) { + tmin = ( box.min.x - origin.x ) * invdirx; + tmax = ( box.max.x - origin.x ) * invdirx; + } else { + tmin = ( box.max.x - origin.x ) * invdirx; + tmax = ( box.min.x - origin.x ) * invdirx; + } + if ( invdiry >= 0 ) { + tymin = ( box.min.y - origin.y ) * invdiry; + tymax = ( box.max.y - origin.y ) * invdiry; + } else { + tymin = ( box.max.y - origin.y ) * invdiry; + tymax = ( box.min.y - origin.y ) * invdiry; + } + if ( ( tmin > tymax ) || ( tymin > tmax ) ) return null; + if ( tymin > tmin || isNaN( tmin ) ) tmin = tymin; + if ( tymax < tmax || isNaN( tmax ) ) tmax = tymax; + if ( invdirz >= 0 ) { + tzmin = ( box.min.z - origin.z ) * invdirz; + tzmax = ( box.max.z - origin.z ) * invdirz; + } else { + tzmin = ( box.max.z - origin.z ) * invdirz; + tzmax = ( box.min.z - origin.z ) * invdirz; + } + if ( ( tmin > tzmax ) || ( tzmin > tmax ) ) return null; + if ( tzmin > tmin || tmin !== tmin ) tmin = tzmin; + if ( tzmax < tmax || tmax !== tmax ) tmax = tzmax; + if ( tmax < 0 ) return null; + return this.at( tmin >= 0 ? tmin : tmax, target ); + } + intersectsBox( box ) { + return this.intersectBox( box, _vector$a ) !== null; + } + intersectTriangle( a, b, c, backfaceCulling, target ) { + _edge1.subVectors( b, a ); + _edge2.subVectors( c, a ); + _normal$1.crossVectors( _edge1, _edge2 ); + let DdN = this.direction.dot( _normal$1 ); + let sign; + if ( DdN > 0 ) { + if ( backfaceCulling ) return null; + sign = 1; + } else if ( DdN < 0 ) { + sign = -1; + DdN = - DdN; + } else { + return null; + } + _diff.subVectors( this.origin, a ); + const DdQxE2 = sign * this.direction.dot( _edge2.crossVectors( _diff, _edge2 ) ); + if ( DdQxE2 < 0 ) { + return null; + } + const DdE1xQ = sign * this.direction.dot( _edge1.cross( _diff ) ); + if ( DdE1xQ < 0 ) { + return null; + } + if ( DdQxE2 + DdE1xQ > DdN ) { + return null; + } + const QdN = - sign * _diff.dot( _normal$1 ); + if ( QdN < 0 ) { + return null; + } + return this.at( QdN / DdN, target ); + } + applyMatrix4( matrix4 ) { + this.origin.applyMatrix4( matrix4 ); + this.direction.transformDirection( matrix4 ); + return this; + } + equals( ray ) { + return ray.origin.equals( this.origin ) && ray.direction.equals( this.direction ); + } + clone() { + return new this.constructor().copy( this ); + } + } + class Matrix4 { + constructor( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + Matrix4.prototype.isMatrix4 = true; + this.elements = [ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ]; + if ( n11 !== undefined ) { + this.set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ); + } + } + set( n11, n12, n13, n14, n21, n22, n23, n24, n31, n32, n33, n34, n41, n42, n43, n44 ) { + const te = this.elements; + te[ 0 ] = n11; te[ 4 ] = n12; te[ 8 ] = n13; te[ 12 ] = n14; + te[ 1 ] = n21; te[ 5 ] = n22; te[ 9 ] = n23; te[ 13 ] = n24; + te[ 2 ] = n31; te[ 6 ] = n32; te[ 10 ] = n33; te[ 14 ] = n34; + te[ 3 ] = n41; te[ 7 ] = n42; te[ 11 ] = n43; te[ 15 ] = n44; + return this; + } + identity() { + this.set( + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ); + return this; + } + clone() { + return new Matrix4().fromArray( this.elements ); + } + copy( m ) { + const te = this.elements; + const me = m.elements; + te[ 0 ] = me[ 0 ]; te[ 1 ] = me[ 1 ]; te[ 2 ] = me[ 2 ]; te[ 3 ] = me[ 3 ]; + te[ 4 ] = me[ 4 ]; te[ 5 ] = me[ 5 ]; te[ 6 ] = me[ 6 ]; te[ 7 ] = me[ 7 ]; + te[ 8 ] = me[ 8 ]; te[ 9 ] = me[ 9 ]; te[ 10 ] = me[ 10 ]; te[ 11 ] = me[ 11 ]; + te[ 12 ] = me[ 12 ]; te[ 13 ] = me[ 13 ]; te[ 14 ] = me[ 14 ]; te[ 15 ] = me[ 15 ]; + return this; + } + copyPosition( m ) { + const te = this.elements, me = m.elements; + te[ 12 ] = me[ 12 ]; + te[ 13 ] = me[ 13 ]; + te[ 14 ] = me[ 14 ]; + return this; + } + setFromMatrix3( m ) { + const me = m.elements; + this.set( + me[ 0 ], me[ 3 ], me[ 6 ], 0, + me[ 1 ], me[ 4 ], me[ 7 ], 0, + me[ 2 ], me[ 5 ], me[ 8 ], 0, + 0, 0, 0, 1 + ); + return this; + } + extractBasis( xAxis, yAxis, zAxis ) { + xAxis.setFromMatrixColumn( this, 0 ); + yAxis.setFromMatrixColumn( this, 1 ); + zAxis.setFromMatrixColumn( this, 2 ); + return this; + } + makeBasis( xAxis, yAxis, zAxis ) { + this.set( + xAxis.x, yAxis.x, zAxis.x, 0, + xAxis.y, yAxis.y, zAxis.y, 0, + xAxis.z, yAxis.z, zAxis.z, 0, + 0, 0, 0, 1 + ); + return this; + } + extractRotation( m ) { + const te = this.elements; + const me = m.elements; + const scaleX = 1 / _v1$5.setFromMatrixColumn( m, 0 ).length(); + const scaleY = 1 / _v1$5.setFromMatrixColumn( m, 1 ).length(); + const scaleZ = 1 / _v1$5.setFromMatrixColumn( m, 2 ).length(); + te[ 0 ] = me[ 0 ] * scaleX; + te[ 1 ] = me[ 1 ] * scaleX; + te[ 2 ] = me[ 2 ] * scaleX; + te[ 3 ] = 0; + te[ 4 ] = me[ 4 ] * scaleY; + te[ 5 ] = me[ 5 ] * scaleY; + te[ 6 ] = me[ 6 ] * scaleY; + te[ 7 ] = 0; + te[ 8 ] = me[ 8 ] * scaleZ; + te[ 9 ] = me[ 9 ] * scaleZ; + te[ 10 ] = me[ 10 ] * scaleZ; + te[ 11 ] = 0; + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + return this; + } + makeRotationFromEuler( euler ) { + const te = this.elements; + const x = euler.x, y = euler.y, z = euler.z; + const a = Math.cos( x ), b = Math.sin( x ); + const c = Math.cos( y ), d = Math.sin( y ); + const e = Math.cos( z ), f = Math.sin( z ); + if ( euler.order === 'XYZ' ) { + const ae = a * e, af = a * f, be = b * e, bf = b * f; + te[ 0 ] = c * e; + te[ 4 ] = - c * f; + te[ 8 ] = d; + te[ 1 ] = af + be * d; + te[ 5 ] = ae - bf * d; + te[ 9 ] = - b * c; + te[ 2 ] = bf - ae * d; + te[ 6 ] = be + af * d; + te[ 10 ] = a * c; + } else if ( euler.order === 'YXZ' ) { + const ce = c * e, cf = c * f, de = d * e, df = d * f; + te[ 0 ] = ce + df * b; + te[ 4 ] = de * b - cf; + te[ 8 ] = a * d; + te[ 1 ] = a * f; + te[ 5 ] = a * e; + te[ 9 ] = - b; + te[ 2 ] = cf * b - de; + te[ 6 ] = df + ce * b; + te[ 10 ] = a * c; + } else if ( euler.order === 'ZXY' ) { + const ce = c * e, cf = c * f, de = d * e, df = d * f; + te[ 0 ] = ce - df * b; + te[ 4 ] = - a * f; + te[ 8 ] = de + cf * b; + te[ 1 ] = cf + de * b; + te[ 5 ] = a * e; + te[ 9 ] = df - ce * b; + te[ 2 ] = - a * d; + te[ 6 ] = b; + te[ 10 ] = a * c; + } else if ( euler.order === 'ZYX' ) { + const ae = a * e, af = a * f, be = b * e, bf = b * f; + te[ 0 ] = c * e; + te[ 4 ] = be * d - af; + te[ 8 ] = ae * d + bf; + te[ 1 ] = c * f; + te[ 5 ] = bf * d + ae; + te[ 9 ] = af * d - be; + te[ 2 ] = - d; + te[ 6 ] = b * c; + te[ 10 ] = a * c; + } else if ( euler.order === 'YZX' ) { + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + te[ 0 ] = c * e; + te[ 4 ] = bd - ac * f; + te[ 8 ] = bc * f + ad; + te[ 1 ] = f; + te[ 5 ] = a * e; + te[ 9 ] = - b * e; + te[ 2 ] = - d * e; + te[ 6 ] = ad * f + bc; + te[ 10 ] = ac - bd * f; + } else if ( euler.order === 'XZY' ) { + const ac = a * c, ad = a * d, bc = b * c, bd = b * d; + te[ 0 ] = c * e; + te[ 4 ] = - f; + te[ 8 ] = d * e; + te[ 1 ] = ac * f + bd; + te[ 5 ] = a * e; + te[ 9 ] = ad * f - bc; + te[ 2 ] = bc * f - ad; + te[ 6 ] = b * e; + te[ 10 ] = bd * f + ac; + } + te[ 3 ] = 0; + te[ 7 ] = 0; + te[ 11 ] = 0; + te[ 12 ] = 0; + te[ 13 ] = 0; + te[ 14 ] = 0; + te[ 15 ] = 1; + return this; + } + makeRotationFromQuaternion( q ) { + return this.compose( _zero, q, _one ); + } + lookAt( eye, target, up ) { + const te = this.elements; + _z.subVectors( eye, target ); + if ( _z.lengthSq() === 0 ) { + _z.z = 1; + } + _z.normalize(); + _x.crossVectors( up, _z ); + if ( _x.lengthSq() === 0 ) { + if ( Math.abs( up.z ) === 1 ) { + _z.x += 0.0001; + } else { + _z.z += 0.0001; + } + _z.normalize(); + _x.crossVectors( up, _z ); + } + _x.normalize(); + _y.crossVectors( _z, _x ); + te[ 0 ] = _x.x; te[ 4 ] = _y.x; te[ 8 ] = _z.x; + te[ 1 ] = _x.y; te[ 5 ] = _y.y; te[ 9 ] = _z.y; + te[ 2 ] = _x.z; te[ 6 ] = _y.z; te[ 10 ] = _z.z; + return this; + } + multiply( m ) { + return this.multiplyMatrices( this, m ); + } + premultiply( m ) { + return this.multiplyMatrices( m, this ); + } + multiplyMatrices( a, b ) { + const ae = a.elements; + const be = b.elements; + const te = this.elements; + const a11 = ae[ 0 ], a12 = ae[ 4 ], a13 = ae[ 8 ], a14 = ae[ 12 ]; + const a21 = ae[ 1 ], a22 = ae[ 5 ], a23 = ae[ 9 ], a24 = ae[ 13 ]; + const a31 = ae[ 2 ], a32 = ae[ 6 ], a33 = ae[ 10 ], a34 = ae[ 14 ]; + const a41 = ae[ 3 ], a42 = ae[ 7 ], a43 = ae[ 11 ], a44 = ae[ 15 ]; + const b11 = be[ 0 ], b12 = be[ 4 ], b13 = be[ 8 ], b14 = be[ 12 ]; + const b21 = be[ 1 ], b22 = be[ 5 ], b23 = be[ 9 ], b24 = be[ 13 ]; + const b31 = be[ 2 ], b32 = be[ 6 ], b33 = be[ 10 ], b34 = be[ 14 ]; + const b41 = be[ 3 ], b42 = be[ 7 ], b43 = be[ 11 ], b44 = be[ 15 ]; + te[ 0 ] = a11 * b11 + a12 * b21 + a13 * b31 + a14 * b41; + te[ 4 ] = a11 * b12 + a12 * b22 + a13 * b32 + a14 * b42; + te[ 8 ] = a11 * b13 + a12 * b23 + a13 * b33 + a14 * b43; + te[ 12 ] = a11 * b14 + a12 * b24 + a13 * b34 + a14 * b44; + te[ 1 ] = a21 * b11 + a22 * b21 + a23 * b31 + a24 * b41; + te[ 5 ] = a21 * b12 + a22 * b22 + a23 * b32 + a24 * b42; + te[ 9 ] = a21 * b13 + a22 * b23 + a23 * b33 + a24 * b43; + te[ 13 ] = a21 * b14 + a22 * b24 + a23 * b34 + a24 * b44; + te[ 2 ] = a31 * b11 + a32 * b21 + a33 * b31 + a34 * b41; + te[ 6 ] = a31 * b12 + a32 * b22 + a33 * b32 + a34 * b42; + te[ 10 ] = a31 * b13 + a32 * b23 + a33 * b33 + a34 * b43; + te[ 14 ] = a31 * b14 + a32 * b24 + a33 * b34 + a34 * b44; + te[ 3 ] = a41 * b11 + a42 * b21 + a43 * b31 + a44 * b41; + te[ 7 ] = a41 * b12 + a42 * b22 + a43 * b32 + a44 * b42; + te[ 11 ] = a41 * b13 + a42 * b23 + a43 * b33 + a44 * b43; + te[ 15 ] = a41 * b14 + a42 * b24 + a43 * b34 + a44 * b44; + return this; + } + multiplyScalar( s ) { + const te = this.elements; + te[ 0 ] *= s; te[ 4 ] *= s; te[ 8 ] *= s; te[ 12 ] *= s; + te[ 1 ] *= s; te[ 5 ] *= s; te[ 9 ] *= s; te[ 13 ] *= s; + te[ 2 ] *= s; te[ 6 ] *= s; te[ 10 ] *= s; te[ 14 ] *= s; + te[ 3 ] *= s; te[ 7 ] *= s; te[ 11 ] *= s; te[ 15 ] *= s; + return this; + } + determinant() { + const te = this.elements; + const n11 = te[ 0 ], n12 = te[ 4 ], n13 = te[ 8 ], n14 = te[ 12 ]; + const n21 = te[ 1 ], n22 = te[ 5 ], n23 = te[ 9 ], n24 = te[ 13 ]; + const n31 = te[ 2 ], n32 = te[ 6 ], n33 = te[ 10 ], n34 = te[ 14 ]; + const n41 = te[ 3 ], n42 = te[ 7 ], n43 = te[ 11 ], n44 = te[ 15 ]; + return ( + n41 * ( + + n14 * n23 * n32 + - n13 * n24 * n32 + - n14 * n22 * n33 + + n12 * n24 * n33 + + n13 * n22 * n34 + - n12 * n23 * n34 + ) + + n42 * ( + + n11 * n23 * n34 + - n11 * n24 * n33 + + n14 * n21 * n33 + - n13 * n21 * n34 + + n13 * n24 * n31 + - n14 * n23 * n31 + ) + + n43 * ( + + n11 * n24 * n32 + - n11 * n22 * n34 + - n14 * n21 * n32 + + n12 * n21 * n34 + + n14 * n22 * n31 + - n12 * n24 * n31 + ) + + n44 * ( + - n13 * n22 * n31 + - n11 * n23 * n32 + + n11 * n22 * n33 + + n13 * n21 * n32 + - n12 * n21 * n33 + + n12 * n23 * n31 + ) + ); + } + transpose() { + const te = this.elements; + let tmp; + tmp = te[ 1 ]; te[ 1 ] = te[ 4 ]; te[ 4 ] = tmp; + tmp = te[ 2 ]; te[ 2 ] = te[ 8 ]; te[ 8 ] = tmp; + tmp = te[ 6 ]; te[ 6 ] = te[ 9 ]; te[ 9 ] = tmp; + tmp = te[ 3 ]; te[ 3 ] = te[ 12 ]; te[ 12 ] = tmp; + tmp = te[ 7 ]; te[ 7 ] = te[ 13 ]; te[ 13 ] = tmp; + tmp = te[ 11 ]; te[ 11 ] = te[ 14 ]; te[ 14 ] = tmp; + return this; + } + setPosition( x, y, z ) { + const te = this.elements; + if ( x.isVector3 ) { + te[ 12 ] = x.x; + te[ 13 ] = x.y; + te[ 14 ] = x.z; + } else { + te[ 12 ] = x; + te[ 13 ] = y; + te[ 14 ] = z; + } + return this; + } + invert() { + const te = this.elements, + n11 = te[ 0 ], n21 = te[ 1 ], n31 = te[ 2 ], n41 = te[ 3 ], + n12 = te[ 4 ], n22 = te[ 5 ], n32 = te[ 6 ], n42 = te[ 7 ], + n13 = te[ 8 ], n23 = te[ 9 ], n33 = te[ 10 ], n43 = te[ 11 ], + n14 = te[ 12 ], n24 = te[ 13 ], n34 = te[ 14 ], n44 = te[ 15 ], + t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44, + t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44, + t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44, + t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; + const det = n11 * t11 + n21 * t12 + n31 * t13 + n41 * t14; + if ( det === 0 ) return this.set( 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ); + const detInv = 1 / det; + te[ 0 ] = t11 * detInv; + te[ 1 ] = ( n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44 ) * detInv; + te[ 2 ] = ( n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44 ) * detInv; + te[ 3 ] = ( n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43 ) * detInv; + te[ 4 ] = t12 * detInv; + te[ 5 ] = ( n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44 ) * detInv; + te[ 6 ] = ( n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44 ) * detInv; + te[ 7 ] = ( n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43 ) * detInv; + te[ 8 ] = t13 * detInv; + te[ 9 ] = ( n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44 ) * detInv; + te[ 10 ] = ( n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44 ) * detInv; + te[ 11 ] = ( n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43 ) * detInv; + te[ 12 ] = t14 * detInv; + te[ 13 ] = ( n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34 ) * detInv; + te[ 14 ] = ( n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34 ) * detInv; + te[ 15 ] = ( n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33 ) * detInv; + return this; + } + scale( v ) { + const te = this.elements; + const x = v.x, y = v.y, z = v.z; + te[ 0 ] *= x; te[ 4 ] *= y; te[ 8 ] *= z; + te[ 1 ] *= x; te[ 5 ] *= y; te[ 9 ] *= z; + te[ 2 ] *= x; te[ 6 ] *= y; te[ 10 ] *= z; + te[ 3 ] *= x; te[ 7 ] *= y; te[ 11 ] *= z; + return this; + } + getMaxScaleOnAxis() { + const te = this.elements; + const scaleXSq = te[ 0 ] * te[ 0 ] + te[ 1 ] * te[ 1 ] + te[ 2 ] * te[ 2 ]; + const scaleYSq = te[ 4 ] * te[ 4 ] + te[ 5 ] * te[ 5 ] + te[ 6 ] * te[ 6 ]; + const scaleZSq = te[ 8 ] * te[ 8 ] + te[ 9 ] * te[ 9 ] + te[ 10 ] * te[ 10 ]; + return Math.sqrt( Math.max( scaleXSq, scaleYSq, scaleZSq ) ); + } + makeTranslation( x, y, z ) { + if ( x.isVector3 ) { + this.set( + 1, 0, 0, x.x, + 0, 1, 0, x.y, + 0, 0, 1, x.z, + 0, 0, 0, 1 + ); + } else { + this.set( + 1, 0, 0, x, + 0, 1, 0, y, + 0, 0, 1, z, + 0, 0, 0, 1 + ); + } + return this; + } + makeRotationX( theta ) { + const c = Math.cos( theta ), s = Math.sin( theta ); + this.set( + 1, 0, 0, 0, + 0, c, - s, 0, + 0, s, c, 0, + 0, 0, 0, 1 + ); + return this; + } + makeRotationY( theta ) { + const c = Math.cos( theta ), s = Math.sin( theta ); + this.set( + c, 0, s, 0, + 0, 1, 0, 0, + - s, 0, c, 0, + 0, 0, 0, 1 + ); + return this; + } + makeRotationZ( theta ) { + const c = Math.cos( theta ), s = Math.sin( theta ); + this.set( + c, - s, 0, 0, + s, c, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 + ); + return this; + } + makeRotationAxis( axis, angle ) { + const c = Math.cos( angle ); + const s = Math.sin( angle ); + const t = 1 - c; + const x = axis.x, y = axis.y, z = axis.z; + const tx = t * x, ty = t * y; + this.set( + tx * x + c, tx * y - s * z, tx * z + s * y, 0, + tx * y + s * z, ty * y + c, ty * z - s * x, 0, + tx * z - s * y, ty * z + s * x, t * z * z + c, 0, + 0, 0, 0, 1 + ); + return this; + } + makeScale( x, y, z ) { + this.set( + x, 0, 0, 0, + 0, y, 0, 0, + 0, 0, z, 0, + 0, 0, 0, 1 + ); + return this; + } + makeShear( xy, xz, yx, yz, zx, zy ) { + this.set( + 1, yx, zx, 0, + xy, 1, zy, 0, + xz, yz, 1, 0, + 0, 0, 0, 1 + ); + return this; + } + compose( position, quaternion, scale ) { + const te = this.elements; + const x = quaternion._x, y = quaternion._y, z = quaternion._z, w = quaternion._w; + const x2 = x + x, y2 = y + y, z2 = z + z; + const xx = x * x2, xy = x * y2, xz = x * z2; + const yy = y * y2, yz = y * z2, zz = z * z2; + const wx = w * x2, wy = w * y2, wz = w * z2; + const sx = scale.x, sy = scale.y, sz = scale.z; + te[ 0 ] = ( 1 - ( yy + zz ) ) * sx; + te[ 1 ] = ( xy + wz ) * sx; + te[ 2 ] = ( xz - wy ) * sx; + te[ 3 ] = 0; + te[ 4 ] = ( xy - wz ) * sy; + te[ 5 ] = ( 1 - ( xx + zz ) ) * sy; + te[ 6 ] = ( yz + wx ) * sy; + te[ 7 ] = 0; + te[ 8 ] = ( xz + wy ) * sz; + te[ 9 ] = ( yz - wx ) * sz; + te[ 10 ] = ( 1 - ( xx + yy ) ) * sz; + te[ 11 ] = 0; + te[ 12 ] = position.x; + te[ 13 ] = position.y; + te[ 14 ] = position.z; + te[ 15 ] = 1; + return this; + } + decompose( position, quaternion, scale ) { + const te = this.elements; + let sx = _v1$5.set( te[ 0 ], te[ 1 ], te[ 2 ] ).length(); + const sy = _v1$5.set( te[ 4 ], te[ 5 ], te[ 6 ] ).length(); + const sz = _v1$5.set( te[ 8 ], te[ 9 ], te[ 10 ] ).length(); + const det = this.determinant(); + if ( det < 0 ) sx = - sx; + position.x = te[ 12 ]; + position.y = te[ 13 ]; + position.z = te[ 14 ]; + _m1$2.copy( this ); + const invSX = 1 / sx; + const invSY = 1 / sy; + const invSZ = 1 / sz; + _m1$2.elements[ 0 ] *= invSX; + _m1$2.elements[ 1 ] *= invSX; + _m1$2.elements[ 2 ] *= invSX; + _m1$2.elements[ 4 ] *= invSY; + _m1$2.elements[ 5 ] *= invSY; + _m1$2.elements[ 6 ] *= invSY; + _m1$2.elements[ 8 ] *= invSZ; + _m1$2.elements[ 9 ] *= invSZ; + _m1$2.elements[ 10 ] *= invSZ; + quaternion.setFromRotationMatrix( _m1$2 ); + scale.x = sx; + scale.y = sy; + scale.z = sz; + return this; + } + makePerspective( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) { + const te = this.elements; + const x = 2 * near / ( right - left ); + const y = 2 * near / ( top - bottom ); + const a = ( right + left ) / ( right - left ); + const b = ( top + bottom ) / ( top - bottom ); + let c, d; + if ( coordinateSystem === WebGLCoordinateSystem ) { + c = - ( far + near ) / ( far - near ); + d = ( -2 * far * near ) / ( far - near ); + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + c = - far / ( far - near ); + d = ( - far * near ) / ( far - near ); + } else { + throw new Error( 'THREE.Matrix4.makePerspective(): Invalid coordinate system: ' + coordinateSystem ); + } + te[ 0 ] = x; te[ 4 ] = 0; te[ 8 ] = a; te[ 12 ] = 0; + te[ 1 ] = 0; te[ 5 ] = y; te[ 9 ] = b; te[ 13 ] = 0; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = c; te[ 14 ] = d; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = -1; te[ 15 ] = 0; + return this; + } + makeOrthographic( left, right, top, bottom, near, far, coordinateSystem = WebGLCoordinateSystem ) { + const te = this.elements; + const w = 1.0 / ( right - left ); + const h = 1.0 / ( top - bottom ); + const p = 1.0 / ( far - near ); + const x = ( right + left ) * w; + const y = ( top + bottom ) * h; + let z, zInv; + if ( coordinateSystem === WebGLCoordinateSystem ) { + z = ( far + near ) * p; + zInv = -2 * p; + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + z = near * p; + zInv = -1 * p; + } else { + throw new Error( 'THREE.Matrix4.makeOrthographic(): Invalid coordinate system: ' + coordinateSystem ); + } + te[ 0 ] = 2 * w; te[ 4 ] = 0; te[ 8 ] = 0; te[ 12 ] = - x; + te[ 1 ] = 0; te[ 5 ] = 2 * h; te[ 9 ] = 0; te[ 13 ] = - y; + te[ 2 ] = 0; te[ 6 ] = 0; te[ 10 ] = zInv; te[ 14 ] = - z; + te[ 3 ] = 0; te[ 7 ] = 0; te[ 11 ] = 0; te[ 15 ] = 1; + return this; + } + equals( matrix ) { + const te = this.elements; + const me = matrix.elements; + for ( let i = 0; i < 16; i ++ ) { + if ( te[ i ] !== me[ i ] ) return false; + } + return true; + } + fromArray( array, offset = 0 ) { + for ( let i = 0; i < 16; i ++ ) { + this.elements[ i ] = array[ i + offset ]; + } + return this; + } + toArray( array = [], offset = 0 ) { + const te = this.elements; + array[ offset ] = te[ 0 ]; + array[ offset + 1 ] = te[ 1 ]; + array[ offset + 2 ] = te[ 2 ]; + array[ offset + 3 ] = te[ 3 ]; + array[ offset + 4 ] = te[ 4 ]; + array[ offset + 5 ] = te[ 5 ]; + array[ offset + 6 ] = te[ 6 ]; + array[ offset + 7 ] = te[ 7 ]; + array[ offset + 8 ] = te[ 8 ]; + array[ offset + 9 ] = te[ 9 ]; + array[ offset + 10 ] = te[ 10 ]; + array[ offset + 11 ] = te[ 11 ]; + array[ offset + 12 ] = te[ 12 ]; + array[ offset + 13 ] = te[ 13 ]; + array[ offset + 14 ] = te[ 14 ]; + array[ offset + 15 ] = te[ 15 ]; + return array; + } + } + const _v1$5 = new Vector3(); + const _m1$2 = new Matrix4(); + const _zero = new Vector3( 0, 0, 0 ); + const _one = new Vector3( 1, 1, 1 ); + const _x = new Vector3(); + const _y = new Vector3(); + const _z = new Vector3(); + const _matrix$2 = new Matrix4(); + const _quaternion$3 = new Quaternion(); + class Euler { + constructor( x = 0, y = 0, z = 0, order = Euler.DEFAULT_ORDER ) { + this.isEuler = true; + this._x = x; + this._y = y; + this._z = z; + this._order = order; + } + get x() { + return this._x; + } + set x( value ) { + this._x = value; + this._onChangeCallback(); + } + get y() { + return this._y; + } + set y( value ) { + this._y = value; + this._onChangeCallback(); + } + get z() { + return this._z; + } + set z( value ) { + this._z = value; + this._onChangeCallback(); + } + get order() { + return this._order; + } + set order( value ) { + this._order = value; + this._onChangeCallback(); + } + set( x, y, z, order = this._order ) { + this._x = x; + this._y = y; + this._z = z; + this._order = order; + this._onChangeCallback(); + return this; + } + clone() { + return new this.constructor( this._x, this._y, this._z, this._order ); + } + copy( euler ) { + this._x = euler._x; + this._y = euler._y; + this._z = euler._z; + this._order = euler._order; + this._onChangeCallback(); + return this; + } + setFromRotationMatrix( m, order = this._order, update = true ) { + const te = m.elements; + const m11 = te[ 0 ], m12 = te[ 4 ], m13 = te[ 8 ]; + const m21 = te[ 1 ], m22 = te[ 5 ], m23 = te[ 9 ]; + const m31 = te[ 2 ], m32 = te[ 6 ], m33 = te[ 10 ]; + switch ( order ) { + case 'XYZ': + this._y = Math.asin( clamp( m13, -1, 1 ) ); + if ( Math.abs( m13 ) < 0.9999999 ) { + this._x = Math.atan2( - m23, m33 ); + this._z = Math.atan2( - m12, m11 ); + } else { + this._x = Math.atan2( m32, m22 ); + this._z = 0; + } + break; + case 'YXZ': + this._x = Math.asin( - clamp( m23, -1, 1 ) ); + if ( Math.abs( m23 ) < 0.9999999 ) { + this._y = Math.atan2( m13, m33 ); + this._z = Math.atan2( m21, m22 ); + } else { + this._y = Math.atan2( - m31, m11 ); + this._z = 0; + } + break; + case 'ZXY': + this._x = Math.asin( clamp( m32, -1, 1 ) ); + if ( Math.abs( m32 ) < 0.9999999 ) { + this._y = Math.atan2( - m31, m33 ); + this._z = Math.atan2( - m12, m22 ); + } else { + this._y = 0; + this._z = Math.atan2( m21, m11 ); + } + break; + case 'ZYX': + this._y = Math.asin( - clamp( m31, -1, 1 ) ); + if ( Math.abs( m31 ) < 0.9999999 ) { + this._x = Math.atan2( m32, m33 ); + this._z = Math.atan2( m21, m11 ); + } else { + this._x = 0; + this._z = Math.atan2( - m12, m22 ); + } + break; + case 'YZX': + this._z = Math.asin( clamp( m21, -1, 1 ) ); + if ( Math.abs( m21 ) < 0.9999999 ) { + this._x = Math.atan2( - m23, m22 ); + this._y = Math.atan2( - m31, m11 ); + } else { + this._x = 0; + this._y = Math.atan2( m13, m33 ); + } + break; + case 'XZY': + this._z = Math.asin( - clamp( m12, -1, 1 ) ); + if ( Math.abs( m12 ) < 0.9999999 ) { + this._x = Math.atan2( m32, m22 ); + this._y = Math.atan2( m13, m11 ); + } else { + this._x = Math.atan2( - m23, m33 ); + this._y = 0; + } + break; + default: + console.warn( 'THREE.Euler: .setFromRotationMatrix() encountered an unknown order: ' + order ); + } + this._order = order; + if ( update === true ) this._onChangeCallback(); + return this; + } + setFromQuaternion( q, order, update ) { + _matrix$2.makeRotationFromQuaternion( q ); + return this.setFromRotationMatrix( _matrix$2, order, update ); + } + setFromVector3( v, order = this._order ) { + return this.set( v.x, v.y, v.z, order ); + } + reorder( newOrder ) { + _quaternion$3.setFromEuler( this ); + return this.setFromQuaternion( _quaternion$3, newOrder ); + } + equals( euler ) { + return ( euler._x === this._x ) && ( euler._y === this._y ) && ( euler._z === this._z ) && ( euler._order === this._order ); + } + fromArray( array ) { + this._x = array[ 0 ]; + this._y = array[ 1 ]; + this._z = array[ 2 ]; + if ( array[ 3 ] !== undefined ) this._order = array[ 3 ]; + this._onChangeCallback(); + return this; + } + toArray( array = [], offset = 0 ) { + array[ offset ] = this._x; + array[ offset + 1 ] = this._y; + array[ offset + 2 ] = this._z; + array[ offset + 3 ] = this._order; + return array; + } + _onChange( callback ) { + this._onChangeCallback = callback; + return this; + } + _onChangeCallback() {} + *[ Symbol.iterator ]() { + yield this._x; + yield this._y; + yield this._z; + yield this._order; + } + } + Euler.DEFAULT_ORDER = 'XYZ'; + class Layers { + constructor() { + this.mask = 1 | 0; + } + set( layer ) { + this.mask = ( 1 << layer | 0 ) >>> 0; + } + enable( layer ) { + this.mask |= 1 << layer | 0; + } + enableAll() { + this.mask = 0xffffffff | 0; + } + toggle( layer ) { + this.mask ^= 1 << layer | 0; + } + disable( layer ) { + this.mask &= ~ ( 1 << layer | 0 ); + } + disableAll() { + this.mask = 0; + } + test( layers ) { + return ( this.mask & layers.mask ) !== 0; + } + isEnabled( layer ) { + return ( this.mask & ( 1 << layer | 0 ) ) !== 0; + } + } + let _object3DId = 0; + const _v1$4 = new Vector3(); + const _q1 = new Quaternion(); + const _m1$1$1 = new Matrix4(); + const _target = new Vector3(); + const _position$3 = new Vector3(); + const _scale$2 = new Vector3(); + const _quaternion$2 = new Quaternion(); + const _xAxis = new Vector3( 1, 0, 0 ); + const _yAxis = new Vector3( 0, 1, 0 ); + const _zAxis = new Vector3( 0, 0, 1 ); + const _addedEvent = { type: 'added' }; + const _removedEvent = { type: 'removed' }; + const _childaddedEvent = { type: 'childadded', child: null }; + const _childremovedEvent = { type: 'childremoved', child: null }; + class Object3D extends EventDispatcher { + constructor() { + super(); + this.isObject3D = true; + Object.defineProperty( this, 'id', { value: _object3DId ++ } ); + this.uuid = generateUUID(); + this.name = ''; + this.type = 'Object3D'; + this.parent = null; + this.children = []; + this.up = Object3D.DEFAULT_UP.clone(); + const position = new Vector3(); + const rotation = new Euler(); + const quaternion = new Quaternion(); + const scale = new Vector3( 1, 1, 1 ); + function onRotationChange() { + quaternion.setFromEuler( rotation, false ); + } + function onQuaternionChange() { + rotation.setFromQuaternion( quaternion, undefined, false ); + } + rotation._onChange( onRotationChange ); + quaternion._onChange( onQuaternionChange ); + Object.defineProperties( this, { + position: { + configurable: true, + enumerable: true, + value: position + }, + rotation: { + configurable: true, + enumerable: true, + value: rotation + }, + quaternion: { + configurable: true, + enumerable: true, + value: quaternion + }, + scale: { + configurable: true, + enumerable: true, + value: scale + }, + modelViewMatrix: { + value: new Matrix4() + }, + normalMatrix: { + value: new Matrix3() + } + } ); + this.matrix = new Matrix4(); + this.matrixWorld = new Matrix4(); + this.matrixAutoUpdate = Object3D.DEFAULT_MATRIX_AUTO_UPDATE; + this.matrixWorldAutoUpdate = Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE; + this.matrixWorldNeedsUpdate = false; + this.layers = new Layers(); + this.visible = true; + this.castShadow = false; + this.receiveShadow = false; + this.frustumCulled = true; + this.renderOrder = 0; + this.animations = []; + this.customDepthMaterial = undefined; + this.customDistanceMaterial = undefined; + this.userData = {}; + } + onBeforeShadow( ) {} + onAfterShadow( ) {} + onBeforeRender( ) {} + onAfterRender( ) {} + applyMatrix4( matrix ) { + if ( this.matrixAutoUpdate ) this.updateMatrix(); + this.matrix.premultiply( matrix ); + this.matrix.decompose( this.position, this.quaternion, this.scale ); + } + applyQuaternion( q ) { + this.quaternion.premultiply( q ); + return this; + } + setRotationFromAxisAngle( axis, angle ) { + this.quaternion.setFromAxisAngle( axis, angle ); + } + setRotationFromEuler( euler ) { + this.quaternion.setFromEuler( euler, true ); + } + setRotationFromMatrix( m ) { + this.quaternion.setFromRotationMatrix( m ); + } + setRotationFromQuaternion( q ) { + this.quaternion.copy( q ); + } + rotateOnAxis( axis, angle ) { + _q1.setFromAxisAngle( axis, angle ); + this.quaternion.multiply( _q1 ); + return this; + } + rotateOnWorldAxis( axis, angle ) { + _q1.setFromAxisAngle( axis, angle ); + this.quaternion.premultiply( _q1 ); + return this; + } + rotateX( angle ) { + return this.rotateOnAxis( _xAxis, angle ); + } + rotateY( angle ) { + return this.rotateOnAxis( _yAxis, angle ); + } + rotateZ( angle ) { + return this.rotateOnAxis( _zAxis, angle ); + } + translateOnAxis( axis, distance ) { + _v1$4.copy( axis ).applyQuaternion( this.quaternion ); + this.position.add( _v1$4.multiplyScalar( distance ) ); + return this; + } + translateX( distance ) { + return this.translateOnAxis( _xAxis, distance ); + } + translateY( distance ) { + return this.translateOnAxis( _yAxis, distance ); + } + translateZ( distance ) { + return this.translateOnAxis( _zAxis, distance ); + } + localToWorld( vector ) { + this.updateWorldMatrix( true, false ); + return vector.applyMatrix4( this.matrixWorld ); + } + worldToLocal( vector ) { + this.updateWorldMatrix( true, false ); + return vector.applyMatrix4( _m1$1$1.copy( this.matrixWorld ).invert() ); + } + lookAt( x, y, z ) { + if ( x.isVector3 ) { + _target.copy( x ); + } else { + _target.set( x, y, z ); + } + const parent = this.parent; + this.updateWorldMatrix( true, false ); + _position$3.setFromMatrixPosition( this.matrixWorld ); + if ( this.isCamera || this.isLight ) { + _m1$1$1.lookAt( _position$3, _target, this.up ); + } else { + _m1$1$1.lookAt( _target, _position$3, this.up ); + } + this.quaternion.setFromRotationMatrix( _m1$1$1 ); + if ( parent ) { + _m1$1$1.extractRotation( parent.matrixWorld ); + _q1.setFromRotationMatrix( _m1$1$1 ); + this.quaternion.premultiply( _q1.invert() ); + } + } + add( object ) { + if ( arguments.length > 1 ) { + for ( let i = 0; i < arguments.length; i ++ ) { + this.add( arguments[ i ] ); + } + return this; + } + if ( object === this ) { + console.error( 'THREE.Object3D.add: object can\'t be added as a child of itself.', object ); + return this; + } + if ( object && object.isObject3D ) { + object.removeFromParent(); + object.parent = this; + this.children.push( object ); + object.dispatchEvent( _addedEvent ); + _childaddedEvent.child = object; + this.dispatchEvent( _childaddedEvent ); + _childaddedEvent.child = null; + } else { + console.error( 'THREE.Object3D.add: object not an instance of THREE.Object3D.', object ); + } + return this; + } + remove( object ) { + if ( arguments.length > 1 ) { + for ( let i = 0; i < arguments.length; i ++ ) { + this.remove( arguments[ i ] ); + } + return this; + } + const index = this.children.indexOf( object ); + if ( index !== -1 ) { + object.parent = null; + this.children.splice( index, 1 ); + object.dispatchEvent( _removedEvent ); + _childremovedEvent.child = object; + this.dispatchEvent( _childremovedEvent ); + _childremovedEvent.child = null; + } + return this; + } + removeFromParent() { + const parent = this.parent; + if ( parent !== null ) { + parent.remove( this ); + } + return this; + } + clear() { + return this.remove( ... this.children ); + } + attach( object ) { + this.updateWorldMatrix( true, false ); + _m1$1$1.copy( this.matrixWorld ).invert(); + if ( object.parent !== null ) { + object.parent.updateWorldMatrix( true, false ); + _m1$1$1.multiply( object.parent.matrixWorld ); + } + object.applyMatrix4( _m1$1$1 ); + object.removeFromParent(); + object.parent = this; + this.children.push( object ); + object.updateWorldMatrix( false, true ); + object.dispatchEvent( _addedEvent ); + _childaddedEvent.child = object; + this.dispatchEvent( _childaddedEvent ); + _childaddedEvent.child = null; + return this; + } + getObjectById( id ) { + return this.getObjectByProperty( 'id', id ); + } + getObjectByName( name ) { + return this.getObjectByProperty( 'name', name ); + } + getObjectByProperty( name, value ) { + if ( this[ name ] === value ) return this; + for ( let i = 0, l = this.children.length; i < l; i ++ ) { + const child = this.children[ i ]; + const object = child.getObjectByProperty( name, value ); + if ( object !== undefined ) { + return object; + } + } + return undefined; + } + getObjectsByProperty( name, value, result = [] ) { + if ( this[ name ] === value ) result.push( this ); + const children = this.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + children[ i ].getObjectsByProperty( name, value, result ); + } + return result; + } + getWorldPosition( target ) { + this.updateWorldMatrix( true, false ); + return target.setFromMatrixPosition( this.matrixWorld ); + } + getWorldQuaternion( target ) { + this.updateWorldMatrix( true, false ); + this.matrixWorld.decompose( _position$3, target, _scale$2 ); + return target; + } + getWorldScale( target ) { + this.updateWorldMatrix( true, false ); + this.matrixWorld.decompose( _position$3, _quaternion$2, target ); + return target; + } + getWorldDirection( target ) { + this.updateWorldMatrix( true, false ); + const e = this.matrixWorld.elements; + return target.set( e[ 8 ], e[ 9 ], e[ 10 ] ).normalize(); + } + raycast( ) {} + traverse( callback ) { + callback( this ); + const children = this.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + children[ i ].traverse( callback ); + } + } + traverseVisible( callback ) { + if ( this.visible === false ) return; + callback( this ); + const children = this.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + children[ i ].traverseVisible( callback ); + } + } + traverseAncestors( callback ) { + const parent = this.parent; + if ( parent !== null ) { + callback( parent ); + parent.traverseAncestors( callback ); + } + } + updateMatrix() { + this.matrix.compose( this.position, this.quaternion, this.scale ); + this.matrixWorldNeedsUpdate = true; + } + updateMatrixWorld( force ) { + if ( this.matrixAutoUpdate ) this.updateMatrix(); + if ( this.matrixWorldNeedsUpdate || force ) { + if ( this.matrixWorldAutoUpdate === true ) { + if ( this.parent === null ) { + this.matrixWorld.copy( this.matrix ); + } else { + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + } + } + this.matrixWorldNeedsUpdate = false; + force = true; + } + const children = this.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + const child = children[ i ]; + child.updateMatrixWorld( force ); + } + } + updateWorldMatrix( updateParents, updateChildren ) { + const parent = this.parent; + if ( updateParents === true && parent !== null ) { + parent.updateWorldMatrix( true, false ); + } + if ( this.matrixAutoUpdate ) this.updateMatrix(); + if ( this.matrixWorldAutoUpdate === true ) { + if ( this.parent === null ) { + this.matrixWorld.copy( this.matrix ); + } else { + this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix ); + } + } + if ( updateChildren === true ) { + const children = this.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + const child = children[ i ]; + child.updateWorldMatrix( false, true ); + } + } + } + toJSON( meta ) { + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + const output = {}; + if ( isRootObject ) { + meta = { + geometries: {}, + materials: {}, + textures: {}, + images: {}, + shapes: {}, + skeletons: {}, + animations: {}, + nodes: {} + }; + output.metadata = { + version: 4.7, + type: 'Object', + generator: 'Object3D.toJSON' + }; + } + const object = {}; + object.uuid = this.uuid; + object.type = this.type; + if ( this.name !== '' ) object.name = this.name; + if ( this.castShadow === true ) object.castShadow = true; + if ( this.receiveShadow === true ) object.receiveShadow = true; + if ( this.visible === false ) object.visible = false; + if ( this.frustumCulled === false ) object.frustumCulled = false; + if ( this.renderOrder !== 0 ) object.renderOrder = this.renderOrder; + if ( Object.keys( this.userData ).length > 0 ) object.userData = this.userData; + object.layers = this.layers.mask; + object.matrix = this.matrix.toArray(); + object.up = this.up.toArray(); + if ( this.matrixAutoUpdate === false ) object.matrixAutoUpdate = false; + if ( this.isInstancedMesh ) { + object.type = 'InstancedMesh'; + object.count = this.count; + object.instanceMatrix = this.instanceMatrix.toJSON(); + if ( this.instanceColor !== null ) object.instanceColor = this.instanceColor.toJSON(); + } + if ( this.isBatchedMesh ) { + object.type = 'BatchedMesh'; + object.perObjectFrustumCulled = this.perObjectFrustumCulled; + object.sortObjects = this.sortObjects; + object.drawRanges = this._drawRanges; + object.reservedRanges = this._reservedRanges; + object.geometryInfo = this._geometryInfo.map( info => ( { + ...info, + boundingBox: info.boundingBox ? info.boundingBox.toJSON() : undefined, + boundingSphere: info.boundingSphere ? info.boundingSphere.toJSON() : undefined + } ) ); + object.instanceInfo = this._instanceInfo.map( info => ( { ...info } ) ); + object.availableInstanceIds = this._availableInstanceIds.slice(); + object.availableGeometryIds = this._availableGeometryIds.slice(); + object.nextIndexStart = this._nextIndexStart; + object.nextVertexStart = this._nextVertexStart; + object.geometryCount = this._geometryCount; + object.maxInstanceCount = this._maxInstanceCount; + object.maxVertexCount = this._maxVertexCount; + object.maxIndexCount = this._maxIndexCount; + object.geometryInitialized = this._geometryInitialized; + object.matricesTexture = this._matricesTexture.toJSON( meta ); + object.indirectTexture = this._indirectTexture.toJSON( meta ); + if ( this._colorsTexture !== null ) { + object.colorsTexture = this._colorsTexture.toJSON( meta ); + } + if ( this.boundingSphere !== null ) { + object.boundingSphere = this.boundingSphere.toJSON(); + } + if ( this.boundingBox !== null ) { + object.boundingBox = this.boundingBox.toJSON(); + } + } + function serialize( library, element ) { + if ( library[ element.uuid ] === undefined ) { + library[ element.uuid ] = element.toJSON( meta ); + } + return element.uuid; + } + if ( this.isScene ) { + if ( this.background ) { + if ( this.background.isColor ) { + object.background = this.background.toJSON(); + } else if ( this.background.isTexture ) { + object.background = this.background.toJSON( meta ).uuid; + } + } + if ( this.environment && this.environment.isTexture && this.environment.isRenderTargetTexture !== true ) { + object.environment = this.environment.toJSON( meta ).uuid; + } + } else if ( this.isMesh || this.isLine || this.isPoints ) { + object.geometry = serialize( meta.geometries, this.geometry ); + const parameters = this.geometry.parameters; + if ( parameters !== undefined && parameters.shapes !== undefined ) { + const shapes = parameters.shapes; + if ( Array.isArray( shapes ) ) { + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + const shape = shapes[ i ]; + serialize( meta.shapes, shape ); + } + } else { + serialize( meta.shapes, shapes ); + } + } + } + if ( this.isSkinnedMesh ) { + object.bindMode = this.bindMode; + object.bindMatrix = this.bindMatrix.toArray(); + if ( this.skeleton !== undefined ) { + serialize( meta.skeletons, this.skeleton ); + object.skeleton = this.skeleton.uuid; + } + } + if ( this.material !== undefined ) { + if ( Array.isArray( this.material ) ) { + const uuids = []; + for ( let i = 0, l = this.material.length; i < l; i ++ ) { + uuids.push( serialize( meta.materials, this.material[ i ] ) ); + } + object.material = uuids; + } else { + object.material = serialize( meta.materials, this.material ); + } + } + if ( this.children.length > 0 ) { + object.children = []; + for ( let i = 0; i < this.children.length; i ++ ) { + object.children.push( this.children[ i ].toJSON( meta ).object ); + } + } + if ( this.animations.length > 0 ) { + object.animations = []; + for ( let i = 0; i < this.animations.length; i ++ ) { + const animation = this.animations[ i ]; + object.animations.push( serialize( meta.animations, animation ) ); + } + } + if ( isRootObject ) { + const geometries = extractFromCache( meta.geometries ); + const materials = extractFromCache( meta.materials ); + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + const shapes = extractFromCache( meta.shapes ); + const skeletons = extractFromCache( meta.skeletons ); + const animations = extractFromCache( meta.animations ); + const nodes = extractFromCache( meta.nodes ); + if ( geometries.length > 0 ) output.geometries = geometries; + if ( materials.length > 0 ) output.materials = materials; + if ( textures.length > 0 ) output.textures = textures; + if ( images.length > 0 ) output.images = images; + if ( shapes.length > 0 ) output.shapes = shapes; + if ( skeletons.length > 0 ) output.skeletons = skeletons; + if ( animations.length > 0 ) output.animations = animations; + if ( nodes.length > 0 ) output.nodes = nodes; + } + output.object = object; + return output; + function extractFromCache( cache ) { + const values = []; + for ( const key in cache ) { + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + } + return values; + } + } + clone( recursive ) { + return new this.constructor().copy( this, recursive ); + } + copy( source, recursive = true ) { + this.name = source.name; + this.up.copy( source.up ); + this.position.copy( source.position ); + this.rotation.order = source.rotation.order; + this.quaternion.copy( source.quaternion ); + this.scale.copy( source.scale ); + this.matrix.copy( source.matrix ); + this.matrixWorld.copy( source.matrixWorld ); + this.matrixAutoUpdate = source.matrixAutoUpdate; + this.matrixWorldAutoUpdate = source.matrixWorldAutoUpdate; + this.matrixWorldNeedsUpdate = source.matrixWorldNeedsUpdate; + this.layers.mask = source.layers.mask; + this.visible = source.visible; + this.castShadow = source.castShadow; + this.receiveShadow = source.receiveShadow; + this.frustumCulled = source.frustumCulled; + this.renderOrder = source.renderOrder; + this.animations = source.animations.slice(); + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + if ( recursive === true ) { + for ( let i = 0; i < source.children.length; i ++ ) { + const child = source.children[ i ]; + this.add( child.clone() ); + } + } + return this; + } + } + Object3D.DEFAULT_UP = new Vector3( 0, 1, 0 ); + Object3D.DEFAULT_MATRIX_AUTO_UPDATE = true; + Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE = true; + const _v0$1 = new Vector3(); + const _v1$3 = new Vector3(); + const _v2$2 = new Vector3(); + const _v3$2 = new Vector3(); + const _vab = new Vector3(); + const _vac = new Vector3(); + const _vbc = new Vector3(); + const _vap = new Vector3(); + const _vbp = new Vector3(); + const _vcp = new Vector3(); + const _v40 = new Vector4(); + const _v41 = new Vector4(); + const _v42 = new Vector4(); + class Triangle { + constructor( a = new Vector3(), b = new Vector3(), c = new Vector3() ) { + this.a = a; + this.b = b; + this.c = c; + } + static getNormal( a, b, c, target ) { + target.subVectors( c, b ); + _v0$1.subVectors( a, b ); + target.cross( _v0$1 ); + const targetLengthSq = target.lengthSq(); + if ( targetLengthSq > 0 ) { + return target.multiplyScalar( 1 / Math.sqrt( targetLengthSq ) ); + } + return target.set( 0, 0, 0 ); + } + static getBarycoord( point, a, b, c, target ) { + _v0$1.subVectors( c, a ); + _v1$3.subVectors( b, a ); + _v2$2.subVectors( point, a ); + const dot00 = _v0$1.dot( _v0$1 ); + const dot01 = _v0$1.dot( _v1$3 ); + const dot02 = _v0$1.dot( _v2$2 ); + const dot11 = _v1$3.dot( _v1$3 ); + const dot12 = _v1$3.dot( _v2$2 ); + const denom = ( dot00 * dot11 - dot01 * dot01 ); + if ( denom === 0 ) { + target.set( 0, 0, 0 ); + return null; + } + const invDenom = 1 / denom; + const u = ( dot11 * dot02 - dot01 * dot12 ) * invDenom; + const v = ( dot00 * dot12 - dot01 * dot02 ) * invDenom; + return target.set( 1 - u - v, v, u ); + } + static containsPoint( point, a, b, c ) { + if ( this.getBarycoord( point, a, b, c, _v3$2 ) === null ) { + return false; + } + return ( _v3$2.x >= 0 ) && ( _v3$2.y >= 0 ) && ( ( _v3$2.x + _v3$2.y ) <= 1 ); + } + static getInterpolation( point, p1, p2, p3, v1, v2, v3, target ) { + if ( this.getBarycoord( point, p1, p2, p3, _v3$2 ) === null ) { + target.x = 0; + target.y = 0; + if ( 'z' in target ) target.z = 0; + if ( 'w' in target ) target.w = 0; + return null; + } + target.setScalar( 0 ); + target.addScaledVector( v1, _v3$2.x ); + target.addScaledVector( v2, _v3$2.y ); + target.addScaledVector( v3, _v3$2.z ); + return target; + } + static getInterpolatedAttribute( attr, i1, i2, i3, barycoord, target ) { + _v40.setScalar( 0 ); + _v41.setScalar( 0 ); + _v42.setScalar( 0 ); + _v40.fromBufferAttribute( attr, i1 ); + _v41.fromBufferAttribute( attr, i2 ); + _v42.fromBufferAttribute( attr, i3 ); + target.setScalar( 0 ); + target.addScaledVector( _v40, barycoord.x ); + target.addScaledVector( _v41, barycoord.y ); + target.addScaledVector( _v42, barycoord.z ); + return target; + } + static isFrontFacing( a, b, c, direction ) { + _v0$1.subVectors( c, b ); + _v1$3.subVectors( a, b ); + return ( _v0$1.cross( _v1$3 ).dot( direction ) < 0 ) ? true : false; + } + set( a, b, c ) { + this.a.copy( a ); + this.b.copy( b ); + this.c.copy( c ); + return this; + } + setFromPointsAndIndices( points, i0, i1, i2 ) { + this.a.copy( points[ i0 ] ); + this.b.copy( points[ i1 ] ); + this.c.copy( points[ i2 ] ); + return this; + } + setFromAttributeAndIndices( attribute, i0, i1, i2 ) { + this.a.fromBufferAttribute( attribute, i0 ); + this.b.fromBufferAttribute( attribute, i1 ); + this.c.fromBufferAttribute( attribute, i2 ); + return this; + } + clone() { + return new this.constructor().copy( this ); + } + copy( triangle ) { + this.a.copy( triangle.a ); + this.b.copy( triangle.b ); + this.c.copy( triangle.c ); + return this; + } + getArea() { + _v0$1.subVectors( this.c, this.b ); + _v1$3.subVectors( this.a, this.b ); + return _v0$1.cross( _v1$3 ).length() * 0.5; + } + getMidpoint( target ) { + return target.addVectors( this.a, this.b ).add( this.c ).multiplyScalar( 1 / 3 ); + } + getNormal( target ) { + return Triangle.getNormal( this.a, this.b, this.c, target ); + } + getPlane( target ) { + return target.setFromCoplanarPoints( this.a, this.b, this.c ); + } + getBarycoord( point, target ) { + return Triangle.getBarycoord( point, this.a, this.b, this.c, target ); + } + getInterpolation( point, v1, v2, v3, target ) { + return Triangle.getInterpolation( point, this.a, this.b, this.c, v1, v2, v3, target ); + } + containsPoint( point ) { + return Triangle.containsPoint( point, this.a, this.b, this.c ); + } + isFrontFacing( direction ) { + return Triangle.isFrontFacing( this.a, this.b, this.c, direction ); + } + intersectsBox( box ) { + return box.intersectsTriangle( this ); + } + closestPointToPoint( p, target ) { + const a = this.a, b = this.b, c = this.c; + let v, w; + _vab.subVectors( b, a ); + _vac.subVectors( c, a ); + _vap.subVectors( p, a ); + const d1 = _vab.dot( _vap ); + const d2 = _vac.dot( _vap ); + if ( d1 <= 0 && d2 <= 0 ) { + return target.copy( a ); + } + _vbp.subVectors( p, b ); + const d3 = _vab.dot( _vbp ); + const d4 = _vac.dot( _vbp ); + if ( d3 >= 0 && d4 <= d3 ) { + return target.copy( b ); + } + const vc = d1 * d4 - d3 * d2; + if ( vc <= 0 && d1 >= 0 && d3 <= 0 ) { + v = d1 / ( d1 - d3 ); + return target.copy( a ).addScaledVector( _vab, v ); + } + _vcp.subVectors( p, c ); + const d5 = _vab.dot( _vcp ); + const d6 = _vac.dot( _vcp ); + if ( d6 >= 0 && d5 <= d6 ) { + return target.copy( c ); + } + const vb = d5 * d2 - d1 * d6; + if ( vb <= 0 && d2 >= 0 && d6 <= 0 ) { + w = d2 / ( d2 - d6 ); + return target.copy( a ).addScaledVector( _vac, w ); + } + const va = d3 * d6 - d5 * d4; + if ( va <= 0 && ( d4 - d3 ) >= 0 && ( d5 - d6 ) >= 0 ) { + _vbc.subVectors( c, b ); + w = ( d4 - d3 ) / ( ( d4 - d3 ) + ( d5 - d6 ) ); + return target.copy( b ).addScaledVector( _vbc, w ); + } + const denom = 1 / ( va + vb + vc ); + v = vb * denom; + w = vc * denom; + return target.copy( a ).addScaledVector( _vab, v ).addScaledVector( _vac, w ); + } + equals( triangle ) { + return triangle.a.equals( this.a ) && triangle.b.equals( this.b ) && triangle.c.equals( this.c ); + } + } + const _colorKeywords = { 'aliceblue': 0xF0F8FF, 'antiquewhite': 0xFAEBD7, 'aqua': 0x00FFFF, 'aquamarine': 0x7FFFD4, 'azure': 0xF0FFFF, + 'beige': 0xF5F5DC, 'bisque': 0xFFE4C4, 'black': 0x000000, 'blanchedalmond': 0xFFEBCD, 'blue': 0x0000FF, 'blueviolet': 0x8A2BE2, + 'brown': 0xA52A2A, 'burlywood': 0xDEB887, 'cadetblue': 0x5F9EA0, 'chartreuse': 0x7FFF00, 'chocolate': 0xD2691E, 'coral': 0xFF7F50, + 'cornflowerblue': 0x6495ED, 'cornsilk': 0xFFF8DC, 'crimson': 0xDC143C, 'cyan': 0x00FFFF, 'darkblue': 0x00008B, 'darkcyan': 0x008B8B, + 'darkgoldenrod': 0xB8860B, 'darkgray': 0xA9A9A9, 'darkgreen': 0x006400, 'darkgrey': 0xA9A9A9, 'darkkhaki': 0xBDB76B, 'darkmagenta': 0x8B008B, + 'darkolivegreen': 0x556B2F, 'darkorange': 0xFF8C00, 'darkorchid': 0x9932CC, 'darkred': 0x8B0000, 'darksalmon': 0xE9967A, 'darkseagreen': 0x8FBC8F, + 'darkslateblue': 0x483D8B, 'darkslategray': 0x2F4F4F, 'darkslategrey': 0x2F4F4F, 'darkturquoise': 0x00CED1, 'darkviolet': 0x9400D3, + 'deeppink': 0xFF1493, 'deepskyblue': 0x00BFFF, 'dimgray': 0x696969, 'dimgrey': 0x696969, 'dodgerblue': 0x1E90FF, 'firebrick': 0xB22222, + 'floralwhite': 0xFFFAF0, 'forestgreen': 0x228B22, 'fuchsia': 0xFF00FF, 'gainsboro': 0xDCDCDC, 'ghostwhite': 0xF8F8FF, 'gold': 0xFFD700, + 'goldenrod': 0xDAA520, 'gray': 0x808080, 'green': 0x008000, 'greenyellow': 0xADFF2F, 'grey': 0x808080, 'honeydew': 0xF0FFF0, 'hotpink': 0xFF69B4, + 'indianred': 0xCD5C5C, 'indigo': 0x4B0082, 'ivory': 0xFFFFF0, 'khaki': 0xF0E68C, 'lavender': 0xE6E6FA, 'lavenderblush': 0xFFF0F5, 'lawngreen': 0x7CFC00, + 'lemonchiffon': 0xFFFACD, 'lightblue': 0xADD8E6, 'lightcoral': 0xF08080, 'lightcyan': 0xE0FFFF, 'lightgoldenrodyellow': 0xFAFAD2, 'lightgray': 0xD3D3D3, + 'lightgreen': 0x90EE90, 'lightgrey': 0xD3D3D3, 'lightpink': 0xFFB6C1, 'lightsalmon': 0xFFA07A, 'lightseagreen': 0x20B2AA, 'lightskyblue': 0x87CEFA, + 'lightslategray': 0x778899, 'lightslategrey': 0x778899, 'lightsteelblue': 0xB0C4DE, 'lightyellow': 0xFFFFE0, 'lime': 0x00FF00, 'limegreen': 0x32CD32, + 'linen': 0xFAF0E6, 'magenta': 0xFF00FF, 'maroon': 0x800000, 'mediumaquamarine': 0x66CDAA, 'mediumblue': 0x0000CD, 'mediumorchid': 0xBA55D3, + 'mediumpurple': 0x9370DB, 'mediumseagreen': 0x3CB371, 'mediumslateblue': 0x7B68EE, 'mediumspringgreen': 0x00FA9A, 'mediumturquoise': 0x48D1CC, + 'mediumvioletred': 0xC71585, 'midnightblue': 0x191970, 'mintcream': 0xF5FFFA, 'mistyrose': 0xFFE4E1, 'moccasin': 0xFFE4B5, 'navajowhite': 0xFFDEAD, + 'navy': 0x000080, 'oldlace': 0xFDF5E6, 'olive': 0x808000, 'olivedrab': 0x6B8E23, 'orange': 0xFFA500, 'orangered': 0xFF4500, 'orchid': 0xDA70D6, + 'palegoldenrod': 0xEEE8AA, 'palegreen': 0x98FB98, 'paleturquoise': 0xAFEEEE, 'palevioletred': 0xDB7093, 'papayawhip': 0xFFEFD5, 'peachpuff': 0xFFDAB9, + 'peru': 0xCD853F, 'pink': 0xFFC0CB, 'plum': 0xDDA0DD, 'powderblue': 0xB0E0E6, 'purple': 0x800080, 'rebeccapurple': 0x663399, 'red': 0xFF0000, 'rosybrown': 0xBC8F8F, + 'royalblue': 0x4169E1, 'saddlebrown': 0x8B4513, 'salmon': 0xFA8072, 'sandybrown': 0xF4A460, 'seagreen': 0x2E8B57, 'seashell': 0xFFF5EE, + 'sienna': 0xA0522D, 'silver': 0xC0C0C0, 'skyblue': 0x87CEEB, 'slateblue': 0x6A5ACD, 'slategray': 0x708090, 'slategrey': 0x708090, 'snow': 0xFFFAFA, + 'springgreen': 0x00FF7F, 'steelblue': 0x4682B4, 'tan': 0xD2B48C, 'teal': 0x008080, 'thistle': 0xD8BFD8, 'tomato': 0xFF6347, 'turquoise': 0x40E0D0, + 'violet': 0xEE82EE, 'wheat': 0xF5DEB3, 'white': 0xFFFFFF, 'whitesmoke': 0xF5F5F5, 'yellow': 0xFFFF00, 'yellowgreen': 0x9ACD32 }; + const _hslA = { h: 0, s: 0, l: 0 }; + const _hslB = { h: 0, s: 0, l: 0 }; + function hue2rgb( p, q, t ) { + if ( t < 0 ) t += 1; + if ( t > 1 ) t -= 1; + if ( t < 1 / 6 ) return p + ( q - p ) * 6 * t; + if ( t < 1 / 2 ) return q; + if ( t < 2 / 3 ) return p + ( q - p ) * 6 * ( 2 / 3 - t ); + return p; + } + class Color { + constructor( r, g, b ) { + this.isColor = true; + this.r = 1; + this.g = 1; + this.b = 1; + return this.set( r, g, b ); + } + set( r, g, b ) { + if ( g === undefined && b === undefined ) { + const value = r; + if ( value && value.isColor ) { + this.copy( value ); + } else if ( typeof value === 'number' ) { + this.setHex( value ); + } else if ( typeof value === 'string' ) { + this.setStyle( value ); + } + } else { + this.setRGB( r, g, b ); + } + return this; + } + setScalar( scalar ) { + this.r = scalar; + this.g = scalar; + this.b = scalar; + return this; + } + setHex( hex, colorSpace = SRGBColorSpace ) { + hex = Math.floor( hex ); + this.r = ( hex >> 16 & 255 ) / 255; + this.g = ( hex >> 8 & 255 ) / 255; + this.b = ( hex & 255 ) / 255; + ColorManagement.colorSpaceToWorking( this, colorSpace ); + return this; + } + setRGB( r, g, b, colorSpace = ColorManagement.workingColorSpace ) { + this.r = r; + this.g = g; + this.b = b; + ColorManagement.colorSpaceToWorking( this, colorSpace ); + return this; + } + setHSL( h, s, l, colorSpace = ColorManagement.workingColorSpace ) { + h = euclideanModulo( h, 1 ); + s = clamp( s, 0, 1 ); + l = clamp( l, 0, 1 ); + if ( s === 0 ) { + this.r = this.g = this.b = l; + } else { + const p = l <= 0.5 ? l * ( 1 + s ) : l + s - ( l * s ); + const q = ( 2 * l ) - p; + this.r = hue2rgb( q, p, h + 1 / 3 ); + this.g = hue2rgb( q, p, h ); + this.b = hue2rgb( q, p, h - 1 / 3 ); + } + ColorManagement.colorSpaceToWorking( this, colorSpace ); + return this; + } + setStyle( style, colorSpace = SRGBColorSpace ) { + function handleAlpha( string ) { + if ( string === undefined ) return; + if ( parseFloat( string ) < 1 ) { + console.warn( 'THREE.Color: Alpha component of ' + style + ' will be ignored.' ); + } + } + let m; + if ( m = /^(\w+)\(([^\)]*)\)/.exec( style ) ) { + let color; + const name = m[ 1 ]; + const components = m[ 2 ]; + switch ( name ) { + case 'rgb': + case 'rgba': + if ( color = /^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + handleAlpha( color[ 4 ] ); + return this.setRGB( + Math.min( 255, parseInt( color[ 1 ], 10 ) ) / 255, + Math.min( 255, parseInt( color[ 2 ], 10 ) ) / 255, + Math.min( 255, parseInt( color[ 3 ], 10 ) ) / 255, + colorSpace + ); + } + if ( color = /^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + handleAlpha( color[ 4 ] ); + return this.setRGB( + Math.min( 100, parseInt( color[ 1 ], 10 ) ) / 100, + Math.min( 100, parseInt( color[ 2 ], 10 ) ) / 100, + Math.min( 100, parseInt( color[ 3 ], 10 ) ) / 100, + colorSpace + ); + } + break; + case 'hsl': + case 'hsla': + if ( color = /^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec( components ) ) { + handleAlpha( color[ 4 ] ); + return this.setHSL( + parseFloat( color[ 1 ] ) / 360, + parseFloat( color[ 2 ] ) / 100, + parseFloat( color[ 3 ] ) / 100, + colorSpace + ); + } + break; + default: + console.warn( 'THREE.Color: Unknown color model ' + style ); + } + } else if ( m = /^\#([A-Fa-f\d]+)$/.exec( style ) ) { + const hex = m[ 1 ]; + const size = hex.length; + if ( size === 3 ) { + return this.setRGB( + parseInt( hex.charAt( 0 ), 16 ) / 15, + parseInt( hex.charAt( 1 ), 16 ) / 15, + parseInt( hex.charAt( 2 ), 16 ) / 15, + colorSpace + ); + } else if ( size === 6 ) { + return this.setHex( parseInt( hex, 16 ), colorSpace ); + } else { + console.warn( 'THREE.Color: Invalid hex color ' + style ); + } + } else if ( style && style.length > 0 ) { + return this.setColorName( style, colorSpace ); + } + return this; + } + setColorName( style, colorSpace = SRGBColorSpace ) { + const hex = _colorKeywords[ style.toLowerCase() ]; + if ( hex !== undefined ) { + this.setHex( hex, colorSpace ); + } else { + console.warn( 'THREE.Color: Unknown color ' + style ); + } + return this; + } + clone() { + return new this.constructor( this.r, this.g, this.b ); + } + copy( color ) { + this.r = color.r; + this.g = color.g; + this.b = color.b; + return this; + } + copySRGBToLinear( color ) { + this.r = SRGBToLinear( color.r ); + this.g = SRGBToLinear( color.g ); + this.b = SRGBToLinear( color.b ); + return this; + } + copyLinearToSRGB( color ) { + this.r = LinearToSRGB( color.r ); + this.g = LinearToSRGB( color.g ); + this.b = LinearToSRGB( color.b ); + return this; + } + convertSRGBToLinear() { + this.copySRGBToLinear( this ); + return this; + } + convertLinearToSRGB() { + this.copyLinearToSRGB( this ); + return this; + } + getHex( colorSpace = SRGBColorSpace ) { + ColorManagement.workingToColorSpace( _color.copy( this ), colorSpace ); + return Math.round( clamp( _color.r * 255, 0, 255 ) ) * 65536 + Math.round( clamp( _color.g * 255, 0, 255 ) ) * 256 + Math.round( clamp( _color.b * 255, 0, 255 ) ); + } + getHexString( colorSpace = SRGBColorSpace ) { + return ( '000000' + this.getHex( colorSpace ).toString( 16 ) ).slice( -6 ); + } + getHSL( target, colorSpace = ColorManagement.workingColorSpace ) { + ColorManagement.workingToColorSpace( _color.copy( this ), colorSpace ); + const r = _color.r, g = _color.g, b = _color.b; + const max = Math.max( r, g, b ); + const min = Math.min( r, g, b ); + let hue, saturation; + const lightness = ( min + max ) / 2.0; + if ( min === max ) { + hue = 0; + saturation = 0; + } else { + const delta = max - min; + saturation = lightness <= 0.5 ? delta / ( max + min ) : delta / ( 2 - max - min ); + switch ( max ) { + case r: hue = ( g - b ) / delta + ( g < b ? 6 : 0 ); break; + case g: hue = ( b - r ) / delta + 2; break; + case b: hue = ( r - g ) / delta + 4; break; + } + hue /= 6; + } + target.h = hue; + target.s = saturation; + target.l = lightness; + return target; + } + getRGB( target, colorSpace = ColorManagement.workingColorSpace ) { + ColorManagement.workingToColorSpace( _color.copy( this ), colorSpace ); + target.r = _color.r; + target.g = _color.g; + target.b = _color.b; + return target; + } + getStyle( colorSpace = SRGBColorSpace ) { + ColorManagement.workingToColorSpace( _color.copy( this ), colorSpace ); + const r = _color.r, g = _color.g, b = _color.b; + if ( colorSpace !== SRGBColorSpace ) { + return `color(${ colorSpace } ${ r.toFixed( 3 ) } ${ g.toFixed( 3 ) } ${ b.toFixed( 3 ) })`; + } + return `rgb(${ Math.round( r * 255 ) },${ Math.round( g * 255 ) },${ Math.round( b * 255 ) })`; + } + offsetHSL( h, s, l ) { + this.getHSL( _hslA ); + return this.setHSL( _hslA.h + h, _hslA.s + s, _hslA.l + l ); + } + add( color ) { + this.r += color.r; + this.g += color.g; + this.b += color.b; + return this; + } + addColors( color1, color2 ) { + this.r = color1.r + color2.r; + this.g = color1.g + color2.g; + this.b = color1.b + color2.b; + return this; + } + addScalar( s ) { + this.r += s; + this.g += s; + this.b += s; + return this; + } + sub( color ) { + this.r = Math.max( 0, this.r - color.r ); + this.g = Math.max( 0, this.g - color.g ); + this.b = Math.max( 0, this.b - color.b ); + return this; + } + multiply( color ) { + this.r *= color.r; + this.g *= color.g; + this.b *= color.b; + return this; + } + multiplyScalar( s ) { + this.r *= s; + this.g *= s; + this.b *= s; + return this; + } + lerp( color, alpha ) { + this.r += ( color.r - this.r ) * alpha; + this.g += ( color.g - this.g ) * alpha; + this.b += ( color.b - this.b ) * alpha; + return this; + } + lerpColors( color1, color2, alpha ) { + this.r = color1.r + ( color2.r - color1.r ) * alpha; + this.g = color1.g + ( color2.g - color1.g ) * alpha; + this.b = color1.b + ( color2.b - color1.b ) * alpha; + return this; + } + lerpHSL( color, alpha ) { + this.getHSL( _hslA ); + color.getHSL( _hslB ); + const h = lerp( _hslA.h, _hslB.h, alpha ); + const s = lerp( _hslA.s, _hslB.s, alpha ); + const l = lerp( _hslA.l, _hslB.l, alpha ); + this.setHSL( h, s, l ); + return this; + } + setFromVector3( v ) { + this.r = v.x; + this.g = v.y; + this.b = v.z; + return this; + } + applyMatrix3( m ) { + const r = this.r, g = this.g, b = this.b; + const e = m.elements; + this.r = e[ 0 ] * r + e[ 3 ] * g + e[ 6 ] * b; + this.g = e[ 1 ] * r + e[ 4 ] * g + e[ 7 ] * b; + this.b = e[ 2 ] * r + e[ 5 ] * g + e[ 8 ] * b; + return this; + } + equals( c ) { + return ( c.r === this.r ) && ( c.g === this.g ) && ( c.b === this.b ); + } + fromArray( array, offset = 0 ) { + this.r = array[ offset ]; + this.g = array[ offset + 1 ]; + this.b = array[ offset + 2 ]; + return this; + } + toArray( array = [], offset = 0 ) { + array[ offset ] = this.r; + array[ offset + 1 ] = this.g; + array[ offset + 2 ] = this.b; + return array; + } + fromBufferAttribute( attribute, index ) { + this.r = attribute.getX( index ); + this.g = attribute.getY( index ); + this.b = attribute.getZ( index ); + return this; + } + toJSON() { + return this.getHex(); + } + *[ Symbol.iterator ]() { + yield this.r; + yield this.g; + yield this.b; + } + } + const _color = new Color(); + Color.NAMES = _colorKeywords; + let _materialId = 0; + class Material extends EventDispatcher { + constructor() { + super(); + this.isMaterial = true; + Object.defineProperty( this, 'id', { value: _materialId ++ } ); + this.uuid = generateUUID(); + this.name = ''; + this.type = 'Material'; + this.blending = NormalBlending; + this.side = FrontSide; + this.vertexColors = false; + this.opacity = 1; + this.transparent = false; + this.alphaHash = false; + this.blendSrc = SrcAlphaFactor; + this.blendDst = OneMinusSrcAlphaFactor; + this.blendEquation = AddEquation; + this.blendSrcAlpha = null; + this.blendDstAlpha = null; + this.blendEquationAlpha = null; + this.blendColor = new Color( 0, 0, 0 ); + this.blendAlpha = 0; + this.depthFunc = LessEqualDepth; + this.depthTest = true; + this.depthWrite = true; + this.stencilWriteMask = 0xff; + this.stencilFunc = AlwaysStencilFunc; + this.stencilRef = 0; + this.stencilFuncMask = 0xff; + this.stencilFail = KeepStencilOp; + this.stencilZFail = KeepStencilOp; + this.stencilZPass = KeepStencilOp; + this.stencilWrite = false; + this.clippingPlanes = null; + this.clipIntersection = false; + this.clipShadows = false; + this.shadowSide = null; + this.colorWrite = true; + this.precision = null; + this.polygonOffset = false; + this.polygonOffsetFactor = 0; + this.polygonOffsetUnits = 0; + this.dithering = false; + this.alphaToCoverage = false; + this.premultipliedAlpha = false; + this.forceSinglePass = false; + this.allowOverride = true; + this.visible = true; + this.toneMapped = true; + this.userData = {}; + this.version = 0; + this._alphaTest = 0; + } + get alphaTest() { + return this._alphaTest; + } + set alphaTest( value ) { + if ( this._alphaTest > 0 !== value > 0 ) { + this.version ++; + } + this._alphaTest = value; + } + onBeforeRender( ) {} + onBeforeCompile( ) {} + customProgramCacheKey() { + return this.onBeforeCompile.toString(); + } + setValues( values ) { + if ( values === undefined ) return; + for ( const key in values ) { + const newValue = values[ key ]; + if ( newValue === undefined ) { + console.warn( `THREE.Material: parameter '${ key }' has value of undefined.` ); + continue; + } + const currentValue = this[ key ]; + if ( currentValue === undefined ) { + console.warn( `THREE.Material: '${ key }' is not a property of THREE.${ this.type }.` ); + continue; + } + if ( currentValue && currentValue.isColor ) { + currentValue.set( newValue ); + } else if ( ( currentValue && currentValue.isVector3 ) && ( newValue && newValue.isVector3 ) ) { + currentValue.copy( newValue ); + } else { + this[ key ] = newValue; + } + } + } + toJSON( meta ) { + const isRootObject = ( meta === undefined || typeof meta === 'string' ); + if ( isRootObject ) { + meta = { + textures: {}, + images: {} + }; + } + const data = { + metadata: { + version: 4.7, + type: 'Material', + generator: 'Material.toJSON' + } + }; + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + if ( this.color && this.color.isColor ) data.color = this.color.getHex(); + if ( this.roughness !== undefined ) data.roughness = this.roughness; + if ( this.metalness !== undefined ) data.metalness = this.metalness; + if ( this.sheen !== undefined ) data.sheen = this.sheen; + if ( this.sheenColor && this.sheenColor.isColor ) data.sheenColor = this.sheenColor.getHex(); + if ( this.sheenRoughness !== undefined ) data.sheenRoughness = this.sheenRoughness; + if ( this.emissive && this.emissive.isColor ) data.emissive = this.emissive.getHex(); + if ( this.emissiveIntensity !== undefined && this.emissiveIntensity !== 1 ) data.emissiveIntensity = this.emissiveIntensity; + if ( this.specular && this.specular.isColor ) data.specular = this.specular.getHex(); + if ( this.specularIntensity !== undefined ) data.specularIntensity = this.specularIntensity; + if ( this.specularColor && this.specularColor.isColor ) data.specularColor = this.specularColor.getHex(); + if ( this.shininess !== undefined ) data.shininess = this.shininess; + if ( this.clearcoat !== undefined ) data.clearcoat = this.clearcoat; + if ( this.clearcoatRoughness !== undefined ) data.clearcoatRoughness = this.clearcoatRoughness; + if ( this.clearcoatMap && this.clearcoatMap.isTexture ) { + data.clearcoatMap = this.clearcoatMap.toJSON( meta ).uuid; + } + if ( this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture ) { + data.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON( meta ).uuid; + } + if ( this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture ) { + data.clearcoatNormalMap = this.clearcoatNormalMap.toJSON( meta ).uuid; + data.clearcoatNormalScale = this.clearcoatNormalScale.toArray(); + } + if ( this.dispersion !== undefined ) data.dispersion = this.dispersion; + if ( this.iridescence !== undefined ) data.iridescence = this.iridescence; + if ( this.iridescenceIOR !== undefined ) data.iridescenceIOR = this.iridescenceIOR; + if ( this.iridescenceThicknessRange !== undefined ) data.iridescenceThicknessRange = this.iridescenceThicknessRange; + if ( this.iridescenceMap && this.iridescenceMap.isTexture ) { + data.iridescenceMap = this.iridescenceMap.toJSON( meta ).uuid; + } + if ( this.iridescenceThicknessMap && this.iridescenceThicknessMap.isTexture ) { + data.iridescenceThicknessMap = this.iridescenceThicknessMap.toJSON( meta ).uuid; + } + if ( this.anisotropy !== undefined ) data.anisotropy = this.anisotropy; + if ( this.anisotropyRotation !== undefined ) data.anisotropyRotation = this.anisotropyRotation; + if ( this.anisotropyMap && this.anisotropyMap.isTexture ) { + data.anisotropyMap = this.anisotropyMap.toJSON( meta ).uuid; + } + if ( this.map && this.map.isTexture ) data.map = this.map.toJSON( meta ).uuid; + if ( this.matcap && this.matcap.isTexture ) data.matcap = this.matcap.toJSON( meta ).uuid; + if ( this.alphaMap && this.alphaMap.isTexture ) data.alphaMap = this.alphaMap.toJSON( meta ).uuid; + if ( this.lightMap && this.lightMap.isTexture ) { + data.lightMap = this.lightMap.toJSON( meta ).uuid; + data.lightMapIntensity = this.lightMapIntensity; + } + if ( this.aoMap && this.aoMap.isTexture ) { + data.aoMap = this.aoMap.toJSON( meta ).uuid; + data.aoMapIntensity = this.aoMapIntensity; + } + if ( this.bumpMap && this.bumpMap.isTexture ) { + data.bumpMap = this.bumpMap.toJSON( meta ).uuid; + data.bumpScale = this.bumpScale; + } + if ( this.normalMap && this.normalMap.isTexture ) { + data.normalMap = this.normalMap.toJSON( meta ).uuid; + data.normalMapType = this.normalMapType; + data.normalScale = this.normalScale.toArray(); + } + if ( this.displacementMap && this.displacementMap.isTexture ) { + data.displacementMap = this.displacementMap.toJSON( meta ).uuid; + data.displacementScale = this.displacementScale; + data.displacementBias = this.displacementBias; + } + if ( this.roughnessMap && this.roughnessMap.isTexture ) data.roughnessMap = this.roughnessMap.toJSON( meta ).uuid; + if ( this.metalnessMap && this.metalnessMap.isTexture ) data.metalnessMap = this.metalnessMap.toJSON( meta ).uuid; + if ( this.emissiveMap && this.emissiveMap.isTexture ) data.emissiveMap = this.emissiveMap.toJSON( meta ).uuid; + if ( this.specularMap && this.specularMap.isTexture ) data.specularMap = this.specularMap.toJSON( meta ).uuid; + if ( this.specularIntensityMap && this.specularIntensityMap.isTexture ) data.specularIntensityMap = this.specularIntensityMap.toJSON( meta ).uuid; + if ( this.specularColorMap && this.specularColorMap.isTexture ) data.specularColorMap = this.specularColorMap.toJSON( meta ).uuid; + if ( this.envMap && this.envMap.isTexture ) { + data.envMap = this.envMap.toJSON( meta ).uuid; + if ( this.combine !== undefined ) data.combine = this.combine; + } + if ( this.envMapRotation !== undefined ) data.envMapRotation = this.envMapRotation.toArray(); + if ( this.envMapIntensity !== undefined ) data.envMapIntensity = this.envMapIntensity; + if ( this.reflectivity !== undefined ) data.reflectivity = this.reflectivity; + if ( this.refractionRatio !== undefined ) data.refractionRatio = this.refractionRatio; + if ( this.gradientMap && this.gradientMap.isTexture ) { + data.gradientMap = this.gradientMap.toJSON( meta ).uuid; + } + if ( this.transmission !== undefined ) data.transmission = this.transmission; + if ( this.transmissionMap && this.transmissionMap.isTexture ) data.transmissionMap = this.transmissionMap.toJSON( meta ).uuid; + if ( this.thickness !== undefined ) data.thickness = this.thickness; + if ( this.thicknessMap && this.thicknessMap.isTexture ) data.thicknessMap = this.thicknessMap.toJSON( meta ).uuid; + if ( this.attenuationDistance !== undefined && this.attenuationDistance !== Infinity ) data.attenuationDistance = this.attenuationDistance; + if ( this.attenuationColor !== undefined ) data.attenuationColor = this.attenuationColor.getHex(); + if ( this.size !== undefined ) data.size = this.size; + if ( this.shadowSide !== null ) data.shadowSide = this.shadowSide; + if ( this.sizeAttenuation !== undefined ) data.sizeAttenuation = this.sizeAttenuation; + if ( this.blending !== NormalBlending ) data.blending = this.blending; + if ( this.side !== FrontSide ) data.side = this.side; + if ( this.vertexColors === true ) data.vertexColors = true; + if ( this.opacity < 1 ) data.opacity = this.opacity; + if ( this.transparent === true ) data.transparent = true; + if ( this.blendSrc !== SrcAlphaFactor ) data.blendSrc = this.blendSrc; + if ( this.blendDst !== OneMinusSrcAlphaFactor ) data.blendDst = this.blendDst; + if ( this.blendEquation !== AddEquation ) data.blendEquation = this.blendEquation; + if ( this.blendSrcAlpha !== null ) data.blendSrcAlpha = this.blendSrcAlpha; + if ( this.blendDstAlpha !== null ) data.blendDstAlpha = this.blendDstAlpha; + if ( this.blendEquationAlpha !== null ) data.blendEquationAlpha = this.blendEquationAlpha; + if ( this.blendColor && this.blendColor.isColor ) data.blendColor = this.blendColor.getHex(); + if ( this.blendAlpha !== 0 ) data.blendAlpha = this.blendAlpha; + if ( this.depthFunc !== LessEqualDepth ) data.depthFunc = this.depthFunc; + if ( this.depthTest === false ) data.depthTest = this.depthTest; + if ( this.depthWrite === false ) data.depthWrite = this.depthWrite; + if ( this.colorWrite === false ) data.colorWrite = this.colorWrite; + if ( this.stencilWriteMask !== 0xff ) data.stencilWriteMask = this.stencilWriteMask; + if ( this.stencilFunc !== AlwaysStencilFunc ) data.stencilFunc = this.stencilFunc; + if ( this.stencilRef !== 0 ) data.stencilRef = this.stencilRef; + if ( this.stencilFuncMask !== 0xff ) data.stencilFuncMask = this.stencilFuncMask; + if ( this.stencilFail !== KeepStencilOp ) data.stencilFail = this.stencilFail; + if ( this.stencilZFail !== KeepStencilOp ) data.stencilZFail = this.stencilZFail; + if ( this.stencilZPass !== KeepStencilOp ) data.stencilZPass = this.stencilZPass; + if ( this.stencilWrite === true ) data.stencilWrite = this.stencilWrite; + if ( this.rotation !== undefined && this.rotation !== 0 ) data.rotation = this.rotation; + if ( this.polygonOffset === true ) data.polygonOffset = true; + if ( this.polygonOffsetFactor !== 0 ) data.polygonOffsetFactor = this.polygonOffsetFactor; + if ( this.polygonOffsetUnits !== 0 ) data.polygonOffsetUnits = this.polygonOffsetUnits; + if ( this.linewidth !== undefined && this.linewidth !== 1 ) data.linewidth = this.linewidth; + if ( this.dashSize !== undefined ) data.dashSize = this.dashSize; + if ( this.gapSize !== undefined ) data.gapSize = this.gapSize; + if ( this.scale !== undefined ) data.scale = this.scale; + if ( this.dithering === true ) data.dithering = true; + if ( this.alphaTest > 0 ) data.alphaTest = this.alphaTest; + if ( this.alphaHash === true ) data.alphaHash = true; + if ( this.alphaToCoverage === true ) data.alphaToCoverage = true; + if ( this.premultipliedAlpha === true ) data.premultipliedAlpha = true; + if ( this.forceSinglePass === true ) data.forceSinglePass = true; + if ( this.wireframe === true ) data.wireframe = true; + if ( this.wireframeLinewidth > 1 ) data.wireframeLinewidth = this.wireframeLinewidth; + if ( this.wireframeLinecap !== 'round' ) data.wireframeLinecap = this.wireframeLinecap; + if ( this.wireframeLinejoin !== 'round' ) data.wireframeLinejoin = this.wireframeLinejoin; + if ( this.flatShading === true ) data.flatShading = true; + if ( this.visible === false ) data.visible = false; + if ( this.toneMapped === false ) data.toneMapped = false; + if ( this.fog === false ) data.fog = false; + if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; + function extractFromCache( cache ) { + const values = []; + for ( const key in cache ) { + const data = cache[ key ]; + delete data.metadata; + values.push( data ); + } + return values; + } + if ( isRootObject ) { + const textures = extractFromCache( meta.textures ); + const images = extractFromCache( meta.images ); + if ( textures.length > 0 ) data.textures = textures; + if ( images.length > 0 ) data.images = images; + } + return data; + } + clone() { + return new this.constructor().copy( this ); + } + copy( source ) { + this.name = source.name; + this.blending = source.blending; + this.side = source.side; + this.vertexColors = source.vertexColors; + this.opacity = source.opacity; + this.transparent = source.transparent; + this.blendSrc = source.blendSrc; + this.blendDst = source.blendDst; + this.blendEquation = source.blendEquation; + this.blendSrcAlpha = source.blendSrcAlpha; + this.blendDstAlpha = source.blendDstAlpha; + this.blendEquationAlpha = source.blendEquationAlpha; + this.blendColor.copy( source.blendColor ); + this.blendAlpha = source.blendAlpha; + this.depthFunc = source.depthFunc; + this.depthTest = source.depthTest; + this.depthWrite = source.depthWrite; + this.stencilWriteMask = source.stencilWriteMask; + this.stencilFunc = source.stencilFunc; + this.stencilRef = source.stencilRef; + this.stencilFuncMask = source.stencilFuncMask; + this.stencilFail = source.stencilFail; + this.stencilZFail = source.stencilZFail; + this.stencilZPass = source.stencilZPass; + this.stencilWrite = source.stencilWrite; + const srcPlanes = source.clippingPlanes; + let dstPlanes = null; + if ( srcPlanes !== null ) { + const n = srcPlanes.length; + dstPlanes = new Array( n ); + for ( let i = 0; i !== n; ++ i ) { + dstPlanes[ i ] = srcPlanes[ i ].clone(); + } + } + this.clippingPlanes = dstPlanes; + this.clipIntersection = source.clipIntersection; + this.clipShadows = source.clipShadows; + this.shadowSide = source.shadowSide; + this.colorWrite = source.colorWrite; + this.precision = source.precision; + this.polygonOffset = source.polygonOffset; + this.polygonOffsetFactor = source.polygonOffsetFactor; + this.polygonOffsetUnits = source.polygonOffsetUnits; + this.dithering = source.dithering; + this.alphaTest = source.alphaTest; + this.alphaHash = source.alphaHash; + this.alphaToCoverage = source.alphaToCoverage; + this.premultipliedAlpha = source.premultipliedAlpha; + this.forceSinglePass = source.forceSinglePass; + this.visible = source.visible; + this.toneMapped = source.toneMapped; + this.userData = JSON.parse( JSON.stringify( source.userData ) ); + return this; + } + dispose() { + this.dispatchEvent( { type: 'dispose' } ); + } + set needsUpdate( value ) { + if ( value === true ) this.version ++; + } + } + class MeshBasicMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshBasicMaterial = true; + this.type = 'MeshBasicMaterial'; + this.color = new Color( 0xffffff ); + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1.0; + this.aoMap = null; + this.aoMapIntensity = 1.0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.fog = source.fog; + return this; + } + } + const _tables = _generateTables(); + function _generateTables() { + const buffer = new ArrayBuffer( 4 ); + const floatView = new Float32Array( buffer ); + const uint32View = new Uint32Array( buffer ); + const baseTable = new Uint32Array( 512 ); + const shiftTable = new Uint32Array( 512 ); + for ( let i = 0; i < 256; ++ i ) { + const e = i - 127; + if ( e < -27 ) { + baseTable[ i ] = 0x0000; + baseTable[ i | 0x100 ] = 0x8000; + shiftTable[ i ] = 24; + shiftTable[ i | 0x100 ] = 24; + } else if ( e < -14 ) { + baseTable[ i ] = 0x0400 >> ( - e - 14 ); + baseTable[ i | 0x100 ] = ( 0x0400 >> ( - e - 14 ) ) | 0x8000; + shiftTable[ i ] = - e - 1; + shiftTable[ i | 0x100 ] = - e - 1; + } else if ( e <= 15 ) { + baseTable[ i ] = ( e + 15 ) << 10; + baseTable[ i | 0x100 ] = ( ( e + 15 ) << 10 ) | 0x8000; + shiftTable[ i ] = 13; + shiftTable[ i | 0x100 ] = 13; + } else if ( e < 128 ) { + baseTable[ i ] = 0x7c00; + baseTable[ i | 0x100 ] = 0xfc00; + shiftTable[ i ] = 24; + shiftTable[ i | 0x100 ] = 24; + } else { + baseTable[ i ] = 0x7c00; + baseTable[ i | 0x100 ] = 0xfc00; + shiftTable[ i ] = 13; + shiftTable[ i | 0x100 ] = 13; + } + } + const mantissaTable = new Uint32Array( 2048 ); + const exponentTable = new Uint32Array( 64 ); + const offsetTable = new Uint32Array( 64 ); + for ( let i = 1; i < 1024; ++ i ) { + let m = i << 13; + let e = 0; + while ( ( m & 0x00800000 ) === 0 ) { + m <<= 1; + e -= 0x00800000; + } + m &= -8388609; + e += 0x38800000; + mantissaTable[ i ] = m | e; + } + for ( let i = 1024; i < 2048; ++ i ) { + mantissaTable[ i ] = 0x38000000 + ( ( i - 1024 ) << 13 ); + } + for ( let i = 1; i < 31; ++ i ) { + exponentTable[ i ] = i << 23; + } + exponentTable[ 31 ] = 0x47800000; + exponentTable[ 32 ] = 0x80000000; + for ( let i = 33; i < 63; ++ i ) { + exponentTable[ i ] = 0x80000000 + ( ( i - 32 ) << 23 ); + } + exponentTable[ 63 ] = 0xc7800000; + for ( let i = 1; i < 64; ++ i ) { + if ( i !== 32 ) { + offsetTable[ i ] = 1024; + } + } + return { + floatView: floatView, + uint32View: uint32View, + baseTable: baseTable, + shiftTable: shiftTable, + mantissaTable: mantissaTable, + exponentTable: exponentTable, + offsetTable: offsetTable + }; + } + function toHalfFloat( val ) { + if ( Math.abs( val ) > 65504 ) console.warn( 'THREE.DataUtils.toHalfFloat(): Value out of range.' ); + val = clamp( val, -65504, 65504 ); + _tables.floatView[ 0 ] = val; + const f = _tables.uint32View[ 0 ]; + const e = ( f >> 23 ) & 0x1ff; + return _tables.baseTable[ e ] + ( ( f & 0x007fffff ) >> _tables.shiftTable[ e ] ); + } + function fromHalfFloat( val ) { + const m = val >> 10; + _tables.uint32View[ 0 ] = _tables.mantissaTable[ _tables.offsetTable[ m ] + ( val & 0x3ff ) ] + _tables.exponentTable[ m ]; + return _tables.floatView[ 0 ]; + } + class DataUtils { + static toHalfFloat( val ) { + return toHalfFloat( val ); + } + static fromHalfFloat( val ) { + return fromHalfFloat( val ); + } + } + const _vector$9 = new Vector3(); + const _vector2$1 = new Vector2(); + let _id$2 = 0; + class BufferAttribute { + constructor( array, itemSize, normalized = false ) { + if ( Array.isArray( array ) ) { + throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); + } + this.isBufferAttribute = true; + Object.defineProperty( this, 'id', { value: _id$2 ++ } ); + this.name = ''; + this.array = array; + this.itemSize = itemSize; + this.count = array !== undefined ? array.length / itemSize : 0; + this.normalized = normalized; + this.usage = StaticDrawUsage; + this.updateRanges = []; + this.gpuType = FloatType; + this.version = 0; + } + onUploadCallback() {} + set needsUpdate( value ) { + if ( value === true ) this.version ++; + } + setUsage( value ) { + this.usage = value; + return this; + } + addUpdateRange( start, count ) { + this.updateRanges.push( { start, count } ); + } + clearUpdateRanges() { + this.updateRanges.length = 0; + } + copy( source ) { + this.name = source.name; + this.array = new source.array.constructor( source.array ); + this.itemSize = source.itemSize; + this.count = source.count; + this.normalized = source.normalized; + this.usage = source.usage; + this.gpuType = source.gpuType; + return this; + } + copyAt( index1, attribute, index2 ) { + index1 *= this.itemSize; + index2 *= attribute.itemSize; + for ( let i = 0, l = this.itemSize; i < l; i ++ ) { + this.array[ index1 + i ] = attribute.array[ index2 + i ]; + } + return this; + } + copyArray( array ) { + this.array.set( array ); + return this; + } + applyMatrix3( m ) { + if ( this.itemSize === 2 ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector2$1.fromBufferAttribute( this, i ); + _vector2$1.applyMatrix3( m ); + this.setXY( i, _vector2$1.x, _vector2$1.y ); + } + } else if ( this.itemSize === 3 ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector$9.fromBufferAttribute( this, i ); + _vector$9.applyMatrix3( m ); + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + } + } + return this; + } + applyMatrix4( m ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector$9.fromBufferAttribute( this, i ); + _vector$9.applyMatrix4( m ); + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + } + return this; + } + applyNormalMatrix( m ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector$9.fromBufferAttribute( this, i ); + _vector$9.applyNormalMatrix( m ); + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + } + return this; + } + transformDirection( m ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector$9.fromBufferAttribute( this, i ); + _vector$9.transformDirection( m ); + this.setXYZ( i, _vector$9.x, _vector$9.y, _vector$9.z ); + } + return this; + } + set( value, offset = 0 ) { + this.array.set( value, offset ); + return this; + } + getComponent( index, component ) { + let value = this.array[ index * this.itemSize + component ]; + if ( this.normalized ) value = denormalize( value, this.array ); + return value; + } + setComponent( index, component, value ) { + if ( this.normalized ) value = normalize( value, this.array ); + this.array[ index * this.itemSize + component ] = value; + return this; + } + getX( index ) { + let x = this.array[ index * this.itemSize ]; + if ( this.normalized ) x = denormalize( x, this.array ); + return x; + } + setX( index, x ) { + if ( this.normalized ) x = normalize( x, this.array ); + this.array[ index * this.itemSize ] = x; + return this; + } + getY( index ) { + let y = this.array[ index * this.itemSize + 1 ]; + if ( this.normalized ) y = denormalize( y, this.array ); + return y; + } + setY( index, y ) { + if ( this.normalized ) y = normalize( y, this.array ); + this.array[ index * this.itemSize + 1 ] = y; + return this; + } + getZ( index ) { + let z = this.array[ index * this.itemSize + 2 ]; + if ( this.normalized ) z = denormalize( z, this.array ); + return z; + } + setZ( index, z ) { + if ( this.normalized ) z = normalize( z, this.array ); + this.array[ index * this.itemSize + 2 ] = z; + return this; + } + getW( index ) { + let w = this.array[ index * this.itemSize + 3 ]; + if ( this.normalized ) w = denormalize( w, this.array ); + return w; + } + setW( index, w ) { + if ( this.normalized ) w = normalize( w, this.array ); + this.array[ index * this.itemSize + 3 ] = w; + return this; + } + setXY( index, x, y ) { + index *= this.itemSize; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + } + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + return this; + } + setXYZ( index, x, y, z ) { + index *= this.itemSize; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + z = normalize( z, this.array ); + } + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + return this; + } + setXYZW( index, x, y, z, w ) { + index *= this.itemSize; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + z = normalize( z, this.array ); + w = normalize( w, this.array ); + } + this.array[ index + 0 ] = x; + this.array[ index + 1 ] = y; + this.array[ index + 2 ] = z; + this.array[ index + 3 ] = w; + return this; + } + onUpload( callback ) { + this.onUploadCallback = callback; + return this; + } + clone() { + return new this.constructor( this.array, this.itemSize ).copy( this ); + } + toJSON() { + const data = { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: Array.from( this.array ), + normalized: this.normalized + }; + if ( this.name !== '' ) data.name = this.name; + if ( this.usage !== StaticDrawUsage ) data.usage = this.usage; + return data; + } + } + class Int8BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Int8Array( array ), itemSize, normalized ); + } + } + class Uint8BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Uint8Array( array ), itemSize, normalized ); + } + } + class Uint8ClampedBufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Uint8ClampedArray( array ), itemSize, normalized ); + } + } + class Int16BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Int16Array( array ), itemSize, normalized ); + } + } + class Uint16BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Uint16Array( array ), itemSize, normalized ); + } + } + class Int32BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Int32Array( array ), itemSize, normalized ); + } + } + class Uint32BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Uint32Array( array ), itemSize, normalized ); + } + } + class Float16BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Uint16Array( array ), itemSize, normalized ); + this.isFloat16BufferAttribute = true; + } + getX( index ) { + let x = fromHalfFloat( this.array[ index * this.itemSize ] ); + if ( this.normalized ) x = denormalize( x, this.array ); + return x; + } + setX( index, x ) { + if ( this.normalized ) x = normalize( x, this.array ); + this.array[ index * this.itemSize ] = toHalfFloat( x ); + return this; + } + getY( index ) { + let y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] ); + if ( this.normalized ) y = denormalize( y, this.array ); + return y; + } + setY( index, y ) { + if ( this.normalized ) y = normalize( y, this.array ); + this.array[ index * this.itemSize + 1 ] = toHalfFloat( y ); + return this; + } + getZ( index ) { + let z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] ); + if ( this.normalized ) z = denormalize( z, this.array ); + return z; + } + setZ( index, z ) { + if ( this.normalized ) z = normalize( z, this.array ); + this.array[ index * this.itemSize + 2 ] = toHalfFloat( z ); + return this; + } + getW( index ) { + let w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] ); + if ( this.normalized ) w = denormalize( w, this.array ); + return w; + } + setW( index, w ) { + if ( this.normalized ) w = normalize( w, this.array ); + this.array[ index * this.itemSize + 3 ] = toHalfFloat( w ); + return this; + } + setXY( index, x, y ) { + index *= this.itemSize; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + } + this.array[ index + 0 ] = toHalfFloat( x ); + this.array[ index + 1 ] = toHalfFloat( y ); + return this; + } + setXYZ( index, x, y, z ) { + index *= this.itemSize; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + z = normalize( z, this.array ); + } + this.array[ index + 0 ] = toHalfFloat( x ); + this.array[ index + 1 ] = toHalfFloat( y ); + this.array[ index + 2 ] = toHalfFloat( z ); + return this; + } + setXYZW( index, x, y, z, w ) { + index *= this.itemSize; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + z = normalize( z, this.array ); + w = normalize( w, this.array ); + } + this.array[ index + 0 ] = toHalfFloat( x ); + this.array[ index + 1 ] = toHalfFloat( y ); + this.array[ index + 2 ] = toHalfFloat( z ); + this.array[ index + 3 ] = toHalfFloat( w ); + return this; + } + } + class Float32BufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized ) { + super( new Float32Array( array ), itemSize, normalized ); + } + } + let _id$1 = 0; + const _m1$3 = new Matrix4(); + const _obj = new Object3D(); + const _offset = new Vector3(); + const _box$2 = new Box3(); + const _boxMorphTargets = new Box3(); + const _vector$8 = new Vector3(); + class BufferGeometry extends EventDispatcher { + constructor() { + super(); + this.isBufferGeometry = true; + Object.defineProperty( this, 'id', { value: _id$1 ++ } ); + this.uuid = generateUUID(); + this.name = ''; + this.type = 'BufferGeometry'; + this.index = null; + this.indirect = null; + this.attributes = {}; + this.morphAttributes = {}; + this.morphTargetsRelative = false; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + this.drawRange = { start: 0, count: Infinity }; + this.userData = {}; + } + getIndex() { + return this.index; + } + setIndex( index ) { + if ( Array.isArray( index ) ) { + this.index = new ( arrayNeedsUint32( index ) ? Uint32BufferAttribute : Uint16BufferAttribute )( index, 1 ); + } else { + this.index = index; + } + return this; + } + setIndirect( indirect ) { + this.indirect = indirect; + return this; + } + getIndirect() { + return this.indirect; + } + getAttribute( name ) { + return this.attributes[ name ]; + } + setAttribute( name, attribute ) { + this.attributes[ name ] = attribute; + return this; + } + deleteAttribute( name ) { + delete this.attributes[ name ]; + return this; + } + hasAttribute( name ) { + return this.attributes[ name ] !== undefined; + } + addGroup( start, count, materialIndex = 0 ) { + this.groups.push( { + start: start, + count: count, + materialIndex: materialIndex + } ); + } + clearGroups() { + this.groups = []; + } + setDrawRange( start, count ) { + this.drawRange.start = start; + this.drawRange.count = count; + } + applyMatrix4( matrix ) { + const position = this.attributes.position; + if ( position !== undefined ) { + position.applyMatrix4( matrix ); + position.needsUpdate = true; + } + const normal = this.attributes.normal; + if ( normal !== undefined ) { + const normalMatrix = new Matrix3().getNormalMatrix( matrix ); + normal.applyNormalMatrix( normalMatrix ); + normal.needsUpdate = true; + } + const tangent = this.attributes.tangent; + if ( tangent !== undefined ) { + tangent.transformDirection( matrix ); + tangent.needsUpdate = true; + } + if ( this.boundingBox !== null ) { + this.computeBoundingBox(); + } + if ( this.boundingSphere !== null ) { + this.computeBoundingSphere(); + } + return this; + } + applyQuaternion( q ) { + _m1$3.makeRotationFromQuaternion( q ); + this.applyMatrix4( _m1$3 ); + return this; + } + rotateX( angle ) { + _m1$3.makeRotationX( angle ); + this.applyMatrix4( _m1$3 ); + return this; + } + rotateY( angle ) { + _m1$3.makeRotationY( angle ); + this.applyMatrix4( _m1$3 ); + return this; + } + rotateZ( angle ) { + _m1$3.makeRotationZ( angle ); + this.applyMatrix4( _m1$3 ); + return this; + } + translate( x, y, z ) { + _m1$3.makeTranslation( x, y, z ); + this.applyMatrix4( _m1$3 ); + return this; + } + scale( x, y, z ) { + _m1$3.makeScale( x, y, z ); + this.applyMatrix4( _m1$3 ); + return this; + } + lookAt( vector ) { + _obj.lookAt( vector ); + _obj.updateMatrix(); + this.applyMatrix4( _obj.matrix ); + return this; + } + center() { + this.computeBoundingBox(); + this.boundingBox.getCenter( _offset ).negate(); + this.translate( _offset.x, _offset.y, _offset.z ); + return this; + } + setFromPoints( points ) { + const positionAttribute = this.getAttribute( 'position' ); + if ( positionAttribute === undefined ) { + const position = []; + for ( let i = 0, l = points.length; i < l; i ++ ) { + const point = points[ i ]; + position.push( point.x, point.y, point.z || 0 ); + } + this.setAttribute( 'position', new Float32BufferAttribute( position, 3 ) ); + } else { + const l = Math.min( points.length, positionAttribute.count ); + for ( let i = 0; i < l; i ++ ) { + const point = points[ i ]; + positionAttribute.setXYZ( i, point.x, point.y, point.z || 0 ); + } + if ( points.length > positionAttribute.count ) { + console.warn( 'THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry.' ); + } + positionAttribute.needsUpdate = true; + } + return this; + } + computeBoundingBox() { + if ( this.boundingBox === null ) { + this.boundingBox = new Box3(); + } + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + if ( position && position.isGLBufferAttribute ) { + console.error( 'THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.', this ); + this.boundingBox.set( + new Vector3( - Infinity, - Infinity, - Infinity ), + new Vector3( + Infinity, + Infinity, + Infinity ) + ); + return; + } + if ( position !== undefined ) { + this.boundingBox.setFromBufferAttribute( position ); + if ( morphAttributesPosition ) { + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + const morphAttribute = morphAttributesPosition[ i ]; + _box$2.setFromBufferAttribute( morphAttribute ); + if ( this.morphTargetsRelative ) { + _vector$8.addVectors( this.boundingBox.min, _box$2.min ); + this.boundingBox.expandByPoint( _vector$8 ); + _vector$8.addVectors( this.boundingBox.max, _box$2.max ); + this.boundingBox.expandByPoint( _vector$8 ); + } else { + this.boundingBox.expandByPoint( _box$2.min ); + this.boundingBox.expandByPoint( _box$2.max ); + } + } + } + } else { + this.boundingBox.makeEmpty(); + } + if ( isNaN( this.boundingBox.min.x ) || isNaN( this.boundingBox.min.y ) || isNaN( this.boundingBox.min.z ) ) { + console.error( 'THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this ); + } + } + computeBoundingSphere() { + if ( this.boundingSphere === null ) { + this.boundingSphere = new Sphere(); + } + const position = this.attributes.position; + const morphAttributesPosition = this.morphAttributes.position; + if ( position && position.isGLBufferAttribute ) { + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.', this ); + this.boundingSphere.set( new Vector3(), Infinity ); + return; + } + if ( position ) { + const center = this.boundingSphere.center; + _box$2.setFromBufferAttribute( position ); + if ( morphAttributesPosition ) { + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + const morphAttribute = morphAttributesPosition[ i ]; + _boxMorphTargets.setFromBufferAttribute( morphAttribute ); + if ( this.morphTargetsRelative ) { + _vector$8.addVectors( _box$2.min, _boxMorphTargets.min ); + _box$2.expandByPoint( _vector$8 ); + _vector$8.addVectors( _box$2.max, _boxMorphTargets.max ); + _box$2.expandByPoint( _vector$8 ); + } else { + _box$2.expandByPoint( _boxMorphTargets.min ); + _box$2.expandByPoint( _boxMorphTargets.max ); + } + } + } + _box$2.getCenter( center ); + let maxRadiusSq = 0; + for ( let i = 0, il = position.count; i < il; i ++ ) { + _vector$8.fromBufferAttribute( position, i ); + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) ); + } + if ( morphAttributesPosition ) { + for ( let i = 0, il = morphAttributesPosition.length; i < il; i ++ ) { + const morphAttribute = morphAttributesPosition[ i ]; + const morphTargetsRelative = this.morphTargetsRelative; + for ( let j = 0, jl = morphAttribute.count; j < jl; j ++ ) { + _vector$8.fromBufferAttribute( morphAttribute, j ); + if ( morphTargetsRelative ) { + _offset.fromBufferAttribute( position, j ); + _vector$8.add( _offset ); + } + maxRadiusSq = Math.max( maxRadiusSq, center.distanceToSquared( _vector$8 ) ); + } + } + } + this.boundingSphere.radius = Math.sqrt( maxRadiusSq ); + if ( isNaN( this.boundingSphere.radius ) ) { + console.error( 'THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this ); + } + } + } + computeTangents() { + const index = this.index; + const attributes = this.attributes; + if ( index === null || + attributes.position === undefined || + attributes.normal === undefined || + attributes.uv === undefined ) { + console.error( 'THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)' ); + return; + } + const positionAttribute = attributes.position; + const normalAttribute = attributes.normal; + const uvAttribute = attributes.uv; + if ( this.hasAttribute( 'tangent' ) === false ) { + this.setAttribute( 'tangent', new BufferAttribute( new Float32Array( 4 * positionAttribute.count ), 4 ) ); + } + const tangentAttribute = this.getAttribute( 'tangent' ); + const tan1 = [], tan2 = []; + for ( let i = 0; i < positionAttribute.count; i ++ ) { + tan1[ i ] = new Vector3(); + tan2[ i ] = new Vector3(); + } + const vA = new Vector3(), + vB = new Vector3(), + vC = new Vector3(), + uvA = new Vector2(), + uvB = new Vector2(), + uvC = new Vector2(), + sdir = new Vector3(), + tdir = new Vector3(); + function handleTriangle( a, b, c ) { + vA.fromBufferAttribute( positionAttribute, a ); + vB.fromBufferAttribute( positionAttribute, b ); + vC.fromBufferAttribute( positionAttribute, c ); + uvA.fromBufferAttribute( uvAttribute, a ); + uvB.fromBufferAttribute( uvAttribute, b ); + uvC.fromBufferAttribute( uvAttribute, c ); + vB.sub( vA ); + vC.sub( vA ); + uvB.sub( uvA ); + uvC.sub( uvA ); + const r = 1.0 / ( uvB.x * uvC.y - uvC.x * uvB.y ); + if ( ! isFinite( r ) ) return; + sdir.copy( vB ).multiplyScalar( uvC.y ).addScaledVector( vC, - uvB.y ).multiplyScalar( r ); + tdir.copy( vC ).multiplyScalar( uvB.x ).addScaledVector( vB, - uvC.x ).multiplyScalar( r ); + tan1[ a ].add( sdir ); + tan1[ b ].add( sdir ); + tan1[ c ].add( sdir ); + tan2[ a ].add( tdir ); + tan2[ b ].add( tdir ); + tan2[ c ].add( tdir ); + } + let groups = this.groups; + if ( groups.length === 0 ) { + groups = [ { + start: 0, + count: index.count + } ]; + } + for ( let i = 0, il = groups.length; i < il; ++ i ) { + const group = groups[ i ]; + const start = group.start; + const count = group.count; + for ( let j = start, jl = start + count; j < jl; j += 3 ) { + handleTriangle( + index.getX( j + 0 ), + index.getX( j + 1 ), + index.getX( j + 2 ) + ); + } + } + const tmp = new Vector3(), tmp2 = new Vector3(); + const n = new Vector3(), n2 = new Vector3(); + function handleVertex( v ) { + n.fromBufferAttribute( normalAttribute, v ); + n2.copy( n ); + const t = tan1[ v ]; + tmp.copy( t ); + tmp.sub( n.multiplyScalar( n.dot( t ) ) ).normalize(); + tmp2.crossVectors( n2, t ); + const test = tmp2.dot( tan2[ v ] ); + const w = ( test < 0.0 ) ? -1 : 1.0; + tangentAttribute.setXYZW( v, tmp.x, tmp.y, tmp.z, w ); + } + for ( let i = 0, il = groups.length; i < il; ++ i ) { + const group = groups[ i ]; + const start = group.start; + const count = group.count; + for ( let j = start, jl = start + count; j < jl; j += 3 ) { + handleVertex( index.getX( j + 0 ) ); + handleVertex( index.getX( j + 1 ) ); + handleVertex( index.getX( j + 2 ) ); + } + } + } + computeVertexNormals() { + const index = this.index; + const positionAttribute = this.getAttribute( 'position' ); + if ( positionAttribute !== undefined ) { + let normalAttribute = this.getAttribute( 'normal' ); + if ( normalAttribute === undefined ) { + normalAttribute = new BufferAttribute( new Float32Array( positionAttribute.count * 3 ), 3 ); + this.setAttribute( 'normal', normalAttribute ); + } else { + for ( let i = 0, il = normalAttribute.count; i < il; i ++ ) { + normalAttribute.setXYZ( i, 0, 0, 0 ); + } + } + const pA = new Vector3(), pB = new Vector3(), pC = new Vector3(); + const nA = new Vector3(), nB = new Vector3(), nC = new Vector3(); + const cb = new Vector3(), ab = new Vector3(); + if ( index ) { + for ( let i = 0, il = index.count; i < il; i += 3 ) { + const vA = index.getX( i + 0 ); + const vB = index.getX( i + 1 ); + const vC = index.getX( i + 2 ); + pA.fromBufferAttribute( positionAttribute, vA ); + pB.fromBufferAttribute( positionAttribute, vB ); + pC.fromBufferAttribute( positionAttribute, vC ); + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + nA.fromBufferAttribute( normalAttribute, vA ); + nB.fromBufferAttribute( normalAttribute, vB ); + nC.fromBufferAttribute( normalAttribute, vC ); + nA.add( cb ); + nB.add( cb ); + nC.add( cb ); + normalAttribute.setXYZ( vA, nA.x, nA.y, nA.z ); + normalAttribute.setXYZ( vB, nB.x, nB.y, nB.z ); + normalAttribute.setXYZ( vC, nC.x, nC.y, nC.z ); + } + } else { + for ( let i = 0, il = positionAttribute.count; i < il; i += 3 ) { + pA.fromBufferAttribute( positionAttribute, i + 0 ); + pB.fromBufferAttribute( positionAttribute, i + 1 ); + pC.fromBufferAttribute( positionAttribute, i + 2 ); + cb.subVectors( pC, pB ); + ab.subVectors( pA, pB ); + cb.cross( ab ); + normalAttribute.setXYZ( i + 0, cb.x, cb.y, cb.z ); + normalAttribute.setXYZ( i + 1, cb.x, cb.y, cb.z ); + normalAttribute.setXYZ( i + 2, cb.x, cb.y, cb.z ); + } + } + this.normalizeNormals(); + normalAttribute.needsUpdate = true; + } + } + normalizeNormals() { + const normals = this.attributes.normal; + for ( let i = 0, il = normals.count; i < il; i ++ ) { + _vector$8.fromBufferAttribute( normals, i ); + _vector$8.normalize(); + normals.setXYZ( i, _vector$8.x, _vector$8.y, _vector$8.z ); + } + } + toNonIndexed() { + function convertBufferAttribute( attribute, indices ) { + const array = attribute.array; + const itemSize = attribute.itemSize; + const normalized = attribute.normalized; + const array2 = new array.constructor( indices.length * itemSize ); + let index = 0, index2 = 0; + for ( let i = 0, l = indices.length; i < l; i ++ ) { + if ( attribute.isInterleavedBufferAttribute ) { + index = indices[ i ] * attribute.data.stride + attribute.offset; + } else { + index = indices[ i ] * itemSize; + } + for ( let j = 0; j < itemSize; j ++ ) { + array2[ index2 ++ ] = array[ index ++ ]; + } + } + return new BufferAttribute( array2, itemSize, normalized ); + } + if ( this.index === null ) { + console.warn( 'THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.' ); + return this; + } + const geometry2 = new BufferGeometry(); + const indices = this.index.array; + const attributes = this.attributes; + for ( const name in attributes ) { + const attribute = attributes[ name ]; + const newAttribute = convertBufferAttribute( attribute, indices ); + geometry2.setAttribute( name, newAttribute ); + } + const morphAttributes = this.morphAttributes; + for ( const name in morphAttributes ) { + const morphArray = []; + const morphAttribute = morphAttributes[ name ]; + for ( let i = 0, il = morphAttribute.length; i < il; i ++ ) { + const attribute = morphAttribute[ i ]; + const newAttribute = convertBufferAttribute( attribute, indices ); + morphArray.push( newAttribute ); + } + geometry2.morphAttributes[ name ] = morphArray; + } + geometry2.morphTargetsRelative = this.morphTargetsRelative; + const groups = this.groups; + for ( let i = 0, l = groups.length; i < l; i ++ ) { + const group = groups[ i ]; + geometry2.addGroup( group.start, group.count, group.materialIndex ); + } + return geometry2; + } + toJSON() { + const data = { + metadata: { + version: 4.7, + type: 'BufferGeometry', + generator: 'BufferGeometry.toJSON' + } + }; + data.uuid = this.uuid; + data.type = this.type; + if ( this.name !== '' ) data.name = this.name; + if ( Object.keys( this.userData ).length > 0 ) data.userData = this.userData; + if ( this.parameters !== undefined ) { + const parameters = this.parameters; + for ( const key in parameters ) { + if ( parameters[ key ] !== undefined ) data[ key ] = parameters[ key ]; + } + return data; + } + data.data = { attributes: {} }; + const index = this.index; + if ( index !== null ) { + data.data.index = { + type: index.array.constructor.name, + array: Array.prototype.slice.call( index.array ) + }; + } + const attributes = this.attributes; + for ( const key in attributes ) { + const attribute = attributes[ key ]; + data.data.attributes[ key ] = attribute.toJSON( data.data ); + } + const morphAttributes = {}; + let hasMorphAttributes = false; + for ( const key in this.morphAttributes ) { + const attributeArray = this.morphAttributes[ key ]; + const array = []; + for ( let i = 0, il = attributeArray.length; i < il; i ++ ) { + const attribute = attributeArray[ i ]; + array.push( attribute.toJSON( data.data ) ); + } + if ( array.length > 0 ) { + morphAttributes[ key ] = array; + hasMorphAttributes = true; + } + } + if ( hasMorphAttributes ) { + data.data.morphAttributes = morphAttributes; + data.data.morphTargetsRelative = this.morphTargetsRelative; + } + const groups = this.groups; + if ( groups.length > 0 ) { + data.data.groups = JSON.parse( JSON.stringify( groups ) ); + } + const boundingSphere = this.boundingSphere; + if ( boundingSphere !== null ) { + data.data.boundingSphere = boundingSphere.toJSON(); + } + return data; + } + clone() { + return new this.constructor().copy( this ); + } + copy( source ) { + this.index = null; + this.attributes = {}; + this.morphAttributes = {}; + this.groups = []; + this.boundingBox = null; + this.boundingSphere = null; + const data = {}; + this.name = source.name; + const index = source.index; + if ( index !== null ) { + this.setIndex( index.clone() ); + } + const attributes = source.attributes; + for ( const name in attributes ) { + const attribute = attributes[ name ]; + this.setAttribute( name, attribute.clone( data ) ); + } + const morphAttributes = source.morphAttributes; + for ( const name in morphAttributes ) { + const array = []; + const morphAttribute = morphAttributes[ name ]; + for ( let i = 0, l = morphAttribute.length; i < l; i ++ ) { + array.push( morphAttribute[ i ].clone( data ) ); + } + this.morphAttributes[ name ] = array; + } + this.morphTargetsRelative = source.morphTargetsRelative; + const groups = source.groups; + for ( let i = 0, l = groups.length; i < l; i ++ ) { + const group = groups[ i ]; + this.addGroup( group.start, group.count, group.materialIndex ); + } + const boundingBox = source.boundingBox; + if ( boundingBox !== null ) { + this.boundingBox = boundingBox.clone(); + } + const boundingSphere = source.boundingSphere; + if ( boundingSphere !== null ) { + this.boundingSphere = boundingSphere.clone(); + } + this.drawRange.start = source.drawRange.start; + this.drawRange.count = source.drawRange.count; + this.userData = source.userData; + return this; + } + dispose() { + this.dispatchEvent( { type: 'dispose' } ); + } + } + const _inverseMatrix$3 = new Matrix4(); + const _ray$3 = new Ray(); + const _sphere$6 = new Sphere(); + const _sphereHitAt = new Vector3(); + const _vA$1 = new Vector3(); + const _vB$1 = new Vector3(); + const _vC$1 = new Vector3(); + const _tempA = new Vector3(); + const _morphA = new Vector3(); + const _intersectionPoint = new Vector3(); + const _intersectionPointWorld = new Vector3(); + class Mesh extends Object3D { + constructor( geometry = new BufferGeometry(), material = new MeshBasicMaterial() ) { + super(); + this.isMesh = true; + this.type = 'Mesh'; + this.geometry = geometry; + this.material = material; + this.morphTargetDictionary = undefined; + this.morphTargetInfluences = undefined; + this.count = 1; + this.updateMorphTargets(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + if ( source.morphTargetInfluences !== undefined ) { + this.morphTargetInfluences = source.morphTargetInfluences.slice(); + } + if ( source.morphTargetDictionary !== undefined ) { + this.morphTargetDictionary = Object.assign( {}, source.morphTargetDictionary ); + } + this.material = Array.isArray( source.material ) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + if ( keys.length > 0 ) { + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + if ( morphAttribute !== undefined ) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + const name = morphAttribute[ m ].name || String( m ); + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + } + } + } + } + getVertexPosition( index, target ) { + const geometry = this.geometry; + const position = geometry.attributes.position; + const morphPosition = geometry.morphAttributes.position; + const morphTargetsRelative = geometry.morphTargetsRelative; + target.fromBufferAttribute( position, index ); + const morphInfluences = this.morphTargetInfluences; + if ( morphPosition && morphInfluences ) { + _morphA.set( 0, 0, 0 ); + for ( let i = 0, il = morphPosition.length; i < il; i ++ ) { + const influence = morphInfluences[ i ]; + const morphAttribute = morphPosition[ i ]; + if ( influence === 0 ) continue; + _tempA.fromBufferAttribute( morphAttribute, index ); + if ( morphTargetsRelative ) { + _morphA.addScaledVector( _tempA, influence ); + } else { + _morphA.addScaledVector( _tempA.sub( target ), influence ); + } + } + target.add( _morphA ); + } + return target; + } + raycast( raycaster, intersects ) { + const geometry = this.geometry; + const material = this.material; + const matrixWorld = this.matrixWorld; + if ( material === undefined ) return; + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + _sphere$6.copy( geometry.boundingSphere ); + _sphere$6.applyMatrix4( matrixWorld ); + _ray$3.copy( raycaster.ray ).recast( raycaster.near ); + if ( _sphere$6.containsPoint( _ray$3.origin ) === false ) { + if ( _ray$3.intersectSphere( _sphere$6, _sphereHitAt ) === null ) return; + if ( _ray$3.origin.distanceToSquared( _sphereHitAt ) > ( raycaster.far - raycaster.near ) ** 2 ) return; + } + _inverseMatrix$3.copy( matrixWorld ).invert(); + _ray$3.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$3 ); + if ( geometry.boundingBox !== null ) { + if ( _ray$3.intersectsBox( geometry.boundingBox ) === false ) return; + } + this._computeIntersections( raycaster, intersects, _ray$3 ); + } + _computeIntersections( raycaster, intersects, rayLocalSpace ) { + let intersection; + const geometry = this.geometry; + const material = this.material; + const index = geometry.index; + const position = geometry.attributes.position; + const uv = geometry.attributes.uv; + const uv1 = geometry.attributes.uv1; + const normal = geometry.attributes.normal; + const groups = geometry.groups; + const drawRange = geometry.drawRange; + if ( index !== null ) { + if ( Array.isArray( material ) ) { + for ( let i = 0, il = groups.length; i < il; i ++ ) { + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + const start = Math.max( group.start, drawRange.start ); + const end = Math.min( index.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) ); + for ( let j = start, jl = end; j < jl; j += 3 ) { + const a = index.getX( j ); + const b = index.getX( j + 1 ); + const c = index.getX( j + 2 ); + intersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + if ( intersection ) { + intersection.faceIndex = Math.floor( j / 3 ); + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + } + } + } + } else { + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + for ( let i = start, il = end; i < il; i += 3 ) { + const a = index.getX( i ); + const b = index.getX( i + 1 ); + const c = index.getX( i + 2 ); + intersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + if ( intersection ) { + intersection.faceIndex = Math.floor( i / 3 ); + intersects.push( intersection ); + } + } + } + } else if ( position !== undefined ) { + if ( Array.isArray( material ) ) { + for ( let i = 0, il = groups.length; i < il; i ++ ) { + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + const start = Math.max( group.start, drawRange.start ); + const end = Math.min( position.count, Math.min( ( group.start + group.count ), ( drawRange.start + drawRange.count ) ) ); + for ( let j = start, jl = end; j < jl; j += 3 ) { + const a = j; + const b = j + 1; + const c = j + 2; + intersection = checkGeometryIntersection( this, groupMaterial, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + if ( intersection ) { + intersection.faceIndex = Math.floor( j / 3 ); + intersection.face.materialIndex = group.materialIndex; + intersects.push( intersection ); + } + } + } + } else { + const start = Math.max( 0, drawRange.start ); + const end = Math.min( position.count, ( drawRange.start + drawRange.count ) ); + for ( let i = start, il = end; i < il; i += 3 ) { + const a = i; + const b = i + 1; + const c = i + 2; + intersection = checkGeometryIntersection( this, material, raycaster, rayLocalSpace, uv, uv1, normal, a, b, c ); + if ( intersection ) { + intersection.faceIndex = Math.floor( i / 3 ); + intersects.push( intersection ); + } + } + } + } + } + } + function checkIntersection$1( object, material, raycaster, ray, pA, pB, pC, point ) { + let intersect; + if ( material.side === BackSide ) { + intersect = ray.intersectTriangle( pC, pB, pA, true, point ); + } else { + intersect = ray.intersectTriangle( pA, pB, pC, ( material.side === FrontSide ), point ); + } + if ( intersect === null ) return null; + _intersectionPointWorld.copy( point ); + _intersectionPointWorld.applyMatrix4( object.matrixWorld ); + const distance = raycaster.ray.origin.distanceTo( _intersectionPointWorld ); + if ( distance < raycaster.near || distance > raycaster.far ) return null; + return { + distance: distance, + point: _intersectionPointWorld.clone(), + object: object + }; + } + function checkGeometryIntersection( object, material, raycaster, ray, uv, uv1, normal, a, b, c ) { + object.getVertexPosition( a, _vA$1 ); + object.getVertexPosition( b, _vB$1 ); + object.getVertexPosition( c, _vC$1 ); + const intersection = checkIntersection$1( object, material, raycaster, ray, _vA$1, _vB$1, _vC$1, _intersectionPoint ); + if ( intersection ) { + const barycoord = new Vector3(); + Triangle.getBarycoord( _intersectionPoint, _vA$1, _vB$1, _vC$1, barycoord ); + if ( uv ) { + intersection.uv = Triangle.getInterpolatedAttribute( uv, a, b, c, barycoord, new Vector2() ); + } + if ( uv1 ) { + intersection.uv1 = Triangle.getInterpolatedAttribute( uv1, a, b, c, barycoord, new Vector2() ); + } + if ( normal ) { + intersection.normal = Triangle.getInterpolatedAttribute( normal, a, b, c, barycoord, new Vector3() ); + if ( intersection.normal.dot( ray.direction ) > 0 ) { + intersection.normal.multiplyScalar( -1 ); + } + } + const face = { + a: a, + b: b, + c: c, + normal: new Vector3(), + materialIndex: 0 + }; + Triangle.getNormal( _vA$1, _vB$1, _vC$1, face.normal ); + intersection.face = face; + intersection.barycoord = barycoord; + } + return intersection; + } + class BoxGeometry extends BufferGeometry { + constructor( width = 1, height = 1, depth = 1, widthSegments = 1, heightSegments = 1, depthSegments = 1 ) { + super(); + this.type = 'BoxGeometry'; + this.parameters = { + width: width, + height: height, + depth: depth, + widthSegments: widthSegments, + heightSegments: heightSegments, + depthSegments: depthSegments + }; + const scope = this; + widthSegments = Math.floor( widthSegments ); + heightSegments = Math.floor( heightSegments ); + depthSegments = Math.floor( depthSegments ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let numberOfVertices = 0; + let groupStart = 0; + buildPlane( 'z', 'y', 'x', -1, -1, depth, height, width, depthSegments, heightSegments, 0 ); + buildPlane( 'z', 'y', 'x', 1, -1, depth, height, - width, depthSegments, heightSegments, 1 ); + buildPlane( 'x', 'z', 'y', 1, 1, width, depth, height, widthSegments, depthSegments, 2 ); + buildPlane( 'x', 'z', 'y', 1, -1, width, depth, - height, widthSegments, depthSegments, 3 ); + buildPlane( 'x', 'y', 'z', 1, -1, width, height, depth, widthSegments, heightSegments, 4 ); + buildPlane( 'x', 'y', 'z', -1, -1, width, height, - depth, widthSegments, heightSegments, 5 ); + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + function buildPlane( u, v, w, udir, vdir, width, height, depth, gridX, gridY, materialIndex ) { + const segmentWidth = width / gridX; + const segmentHeight = height / gridY; + const widthHalf = width / 2; + const heightHalf = height / 2; + const depthHalf = depth / 2; + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + let vertexCounter = 0; + let groupCount = 0; + const vector = new Vector3(); + for ( let iy = 0; iy < gridY1; iy ++ ) { + const y = iy * segmentHeight - heightHalf; + for ( let ix = 0; ix < gridX1; ix ++ ) { + const x = ix * segmentWidth - widthHalf; + vector[ u ] = x * udir; + vector[ v ] = y * vdir; + vector[ w ] = depthHalf; + vertices.push( vector.x, vector.y, vector.z ); + vector[ u ] = 0; + vector[ v ] = 0; + vector[ w ] = depth > 0 ? 1 : -1; + normals.push( vector.x, vector.y, vector.z ); + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + vertexCounter += 1; + } + } + for ( let iy = 0; iy < gridY; iy ++ ) { + for ( let ix = 0; ix < gridX; ix ++ ) { + const a = numberOfVertices + ix + gridX1 * iy; + const b = numberOfVertices + ix + gridX1 * ( iy + 1 ); + const c = numberOfVertices + ( ix + 1 ) + gridX1 * ( iy + 1 ); + const d = numberOfVertices + ( ix + 1 ) + gridX1 * iy; + indices.push( a, b, d ); + indices.push( b, c, d ); + groupCount += 6; + } + } + scope.addGroup( groupStart, groupCount, materialIndex ); + groupStart += groupCount; + numberOfVertices += vertexCounter; + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new BoxGeometry( data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments ); + } + } + function cloneUniforms( src ) { + const dst = {}; + for ( const u in src ) { + dst[ u ] = {}; + for ( const p in src[ u ] ) { + const property = src[ u ][ p ]; + if ( property && ( property.isColor || + property.isMatrix3 || property.isMatrix4 || + property.isVector2 || property.isVector3 || property.isVector4 || + property.isTexture || property.isQuaternion ) ) { + if ( property.isRenderTargetTexture ) { + console.warn( 'UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().' ); + dst[ u ][ p ] = null; + } else { + dst[ u ][ p ] = property.clone(); + } + } else if ( Array.isArray( property ) ) { + dst[ u ][ p ] = property.slice(); + } else { + dst[ u ][ p ] = property; + } + } + } + return dst; + } + function mergeUniforms( uniforms ) { + const merged = {}; + for ( let u = 0; u < uniforms.length; u ++ ) { + const tmp = cloneUniforms( uniforms[ u ] ); + for ( const p in tmp ) { + merged[ p ] = tmp[ p ]; + } + } + return merged; + } + function cloneUniformsGroups( src ) { + const dst = []; + for ( let u = 0; u < src.length; u ++ ) { + dst.push( src[ u ].clone() ); + } + return dst; + } + function getUnlitUniformColorSpace( renderer ) { + const currentRenderTarget = renderer.getRenderTarget(); + if ( currentRenderTarget === null ) { + return renderer.outputColorSpace; + } + if ( currentRenderTarget.isXRRenderTarget === true ) { + return currentRenderTarget.texture.colorSpace; + } + return ColorManagement.workingColorSpace; + } + const UniformsUtils = { clone: cloneUniforms, merge: mergeUniforms }; + var default_vertex = "void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"; + var default_fragment = "void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}"; + class ShaderMaterial extends Material { + constructor( parameters ) { + super(); + this.isShaderMaterial = true; + this.type = 'ShaderMaterial'; + this.defines = {}; + this.uniforms = {}; + this.uniformsGroups = []; + this.vertexShader = default_vertex; + this.fragmentShader = default_fragment; + this.linewidth = 1; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.fog = false; + this.lights = false; + this.clipping = false; + this.forceSinglePass = true; + this.extensions = { + clipCullDistance: false, + multiDraw: false + }; + this.defaultAttributeValues = { + 'color': [ 1, 1, 1 ], + 'uv': [ 0, 0 ], + 'uv1': [ 0, 0 ] + }; + this.index0AttributeName = undefined; + this.uniformsNeedUpdate = false; + this.glslVersion = null; + if ( parameters !== undefined ) { + this.setValues( parameters ); + } + } + copy( source ) { + super.copy( source ); + this.fragmentShader = source.fragmentShader; + this.vertexShader = source.vertexShader; + this.uniforms = cloneUniforms( source.uniforms ); + this.uniformsGroups = cloneUniformsGroups( source.uniformsGroups ); + this.defines = Object.assign( {}, source.defines ); + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.fog = source.fog; + this.lights = source.lights; + this.clipping = source.clipping; + this.extensions = Object.assign( {}, source.extensions ); + this.glslVersion = source.glslVersion; + return this; + } + toJSON( meta ) { + const data = super.toJSON( meta ); + data.glslVersion = this.glslVersion; + data.uniforms = {}; + for ( const name in this.uniforms ) { + const uniform = this.uniforms[ name ]; + const value = uniform.value; + if ( value && value.isTexture ) { + data.uniforms[ name ] = { + type: 't', + value: value.toJSON( meta ).uuid + }; + } else if ( value && value.isColor ) { + data.uniforms[ name ] = { + type: 'c', + value: value.getHex() + }; + } else if ( value && value.isVector2 ) { + data.uniforms[ name ] = { + type: 'v2', + value: value.toArray() + }; + } else if ( value && value.isVector3 ) { + data.uniforms[ name ] = { + type: 'v3', + value: value.toArray() + }; + } else if ( value && value.isVector4 ) { + data.uniforms[ name ] = { + type: 'v4', + value: value.toArray() + }; + } else if ( value && value.isMatrix3 ) { + data.uniforms[ name ] = { + type: 'm3', + value: value.toArray() + }; + } else if ( value && value.isMatrix4 ) { + data.uniforms[ name ] = { + type: 'm4', + value: value.toArray() + }; + } else { + data.uniforms[ name ] = { + value: value + }; + } + } + if ( Object.keys( this.defines ).length > 0 ) data.defines = this.defines; + data.vertexShader = this.vertexShader; + data.fragmentShader = this.fragmentShader; + data.lights = this.lights; + data.clipping = this.clipping; + const extensions = {}; + for ( const key in this.extensions ) { + if ( this.extensions[ key ] === true ) extensions[ key ] = true; + } + if ( Object.keys( extensions ).length > 0 ) data.extensions = extensions; + return data; + } + } + class Camera extends Object3D { + constructor() { + super(); + this.isCamera = true; + this.type = 'Camera'; + this.matrixWorldInverse = new Matrix4(); + this.projectionMatrix = new Matrix4(); + this.projectionMatrixInverse = new Matrix4(); + this.coordinateSystem = WebGLCoordinateSystem; + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.matrixWorldInverse.copy( source.matrixWorldInverse ); + this.projectionMatrix.copy( source.projectionMatrix ); + this.projectionMatrixInverse.copy( source.projectionMatrixInverse ); + this.coordinateSystem = source.coordinateSystem; + return this; + } + getWorldDirection( target ) { + return super.getWorldDirection( target ).negate(); + } + updateMatrixWorld( force ) { + super.updateMatrixWorld( force ); + this.matrixWorldInverse.copy( this.matrixWorld ).invert(); + } + updateWorldMatrix( updateParents, updateChildren ) { + super.updateWorldMatrix( updateParents, updateChildren ); + this.matrixWorldInverse.copy( this.matrixWorld ).invert(); + } + clone() { + return new this.constructor().copy( this ); + } + } + const _v3$1 = new Vector3(); + const _minTarget = new Vector2(); + const _maxTarget = new Vector2(); + class PerspectiveCamera extends Camera { + constructor( fov = 50, aspect = 1, near = 0.1, far = 2000 ) { + super(); + this.isPerspectiveCamera = true; + this.type = 'PerspectiveCamera'; + this.fov = fov; + this.zoom = 1; + this.near = near; + this.far = far; + this.focus = 10; + this.aspect = aspect; + this.view = null; + this.filmGauge = 35; + this.filmOffset = 0; + this.updateProjectionMatrix(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.fov = source.fov; + this.zoom = source.zoom; + this.near = source.near; + this.far = source.far; + this.focus = source.focus; + this.aspect = source.aspect; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + this.filmGauge = source.filmGauge; + this.filmOffset = source.filmOffset; + return this; + } + setFocalLength( focalLength ) { + const vExtentSlope = 0.5 * this.getFilmHeight() / focalLength; + this.fov = RAD2DEG * 2 * Math.atan( vExtentSlope ); + this.updateProjectionMatrix(); + } + getFocalLength() { + const vExtentSlope = Math.tan( DEG2RAD * 0.5 * this.fov ); + return 0.5 * this.getFilmHeight() / vExtentSlope; + } + getEffectiveFOV() { + return RAD2DEG * 2 * Math.atan( + Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom ); + } + getFilmWidth() { + return this.filmGauge * Math.min( this.aspect, 1 ); + } + getFilmHeight() { + return this.filmGauge / Math.max( this.aspect, 1 ); + } + getViewBounds( distance, minTarget, maxTarget ) { + _v3$1.set( -1, -1, 0.5 ).applyMatrix4( this.projectionMatrixInverse ); + minTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z ); + _v3$1.set( 1, 1, 0.5 ).applyMatrix4( this.projectionMatrixInverse ); + maxTarget.set( _v3$1.x, _v3$1.y ).multiplyScalar( - distance / _v3$1.z ); + } + getViewSize( distance, target ) { + this.getViewBounds( distance, _minTarget, _maxTarget ); + return target.subVectors( _maxTarget, _minTarget ); + } + setViewOffset( fullWidth, fullHeight, x, y, width, height ) { + this.aspect = fullWidth / fullHeight; + if ( this.view === null ) { + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + } + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + this.updateProjectionMatrix(); + } + clearViewOffset() { + if ( this.view !== null ) { + this.view.enabled = false; + } + this.updateProjectionMatrix(); + } + updateProjectionMatrix() { + const near = this.near; + let top = near * Math.tan( DEG2RAD * 0.5 * this.fov ) / this.zoom; + let height = 2 * top; + let width = this.aspect * height; + let left = -0.5 * width; + const view = this.view; + if ( this.view !== null && this.view.enabled ) { + const fullWidth = view.fullWidth, + fullHeight = view.fullHeight; + left += view.offsetX * width / fullWidth; + top -= view.offsetY * height / fullHeight; + width *= view.width / fullWidth; + height *= view.height / fullHeight; + } + const skew = this.filmOffset; + if ( skew !== 0 ) left += near * skew / this.getFilmWidth(); + this.projectionMatrix.makePerspective( left, left + width, top, top - height, near, this.far, this.coordinateSystem ); + this.projectionMatrixInverse.copy( this.projectionMatrix ).invert(); + } + toJSON( meta ) { + const data = super.toJSON( meta ); + data.object.fov = this.fov; + data.object.zoom = this.zoom; + data.object.near = this.near; + data.object.far = this.far; + data.object.focus = this.focus; + data.object.aspect = this.aspect; + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + data.object.filmGauge = this.filmGauge; + data.object.filmOffset = this.filmOffset; + return data; + } + } + const fov = -90; + const aspect = 1; + class CubeCamera extends Object3D { + constructor( near, far, renderTarget ) { + super(); + this.type = 'CubeCamera'; + this.renderTarget = renderTarget; + this.coordinateSystem = null; + this.activeMipmapLevel = 0; + const cameraPX = new PerspectiveCamera( fov, aspect, near, far ); + cameraPX.layers = this.layers; + this.add( cameraPX ); + const cameraNX = new PerspectiveCamera( fov, aspect, near, far ); + cameraNX.layers = this.layers; + this.add( cameraNX ); + const cameraPY = new PerspectiveCamera( fov, aspect, near, far ); + cameraPY.layers = this.layers; + this.add( cameraPY ); + const cameraNY = new PerspectiveCamera( fov, aspect, near, far ); + cameraNY.layers = this.layers; + this.add( cameraNY ); + const cameraPZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraPZ.layers = this.layers; + this.add( cameraPZ ); + const cameraNZ = new PerspectiveCamera( fov, aspect, near, far ); + cameraNZ.layers = this.layers; + this.add( cameraNZ ); + } + updateCoordinateSystem() { + const coordinateSystem = this.coordinateSystem; + const cameras = this.children.concat(); + const [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = cameras; + for ( const camera of cameras ) this.remove( camera ); + if ( coordinateSystem === WebGLCoordinateSystem ) { + cameraPX.up.set( 0, 1, 0 ); + cameraPX.lookAt( 1, 0, 0 ); + cameraNX.up.set( 0, 1, 0 ); + cameraNX.lookAt( -1, 0, 0 ); + cameraPY.up.set( 0, 0, -1 ); + cameraPY.lookAt( 0, 1, 0 ); + cameraNY.up.set( 0, 0, 1 ); + cameraNY.lookAt( 0, -1, 0 ); + cameraPZ.up.set( 0, 1, 0 ); + cameraPZ.lookAt( 0, 0, 1 ); + cameraNZ.up.set( 0, 1, 0 ); + cameraNZ.lookAt( 0, 0, -1 ); + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + cameraPX.up.set( 0, -1, 0 ); + cameraPX.lookAt( -1, 0, 0 ); + cameraNX.up.set( 0, -1, 0 ); + cameraNX.lookAt( 1, 0, 0 ); + cameraPY.up.set( 0, 0, 1 ); + cameraPY.lookAt( 0, 1, 0 ); + cameraNY.up.set( 0, 0, -1 ); + cameraNY.lookAt( 0, -1, 0 ); + cameraPZ.up.set( 0, -1, 0 ); + cameraPZ.lookAt( 0, 0, 1 ); + cameraNZ.up.set( 0, -1, 0 ); + cameraNZ.lookAt( 0, 0, -1 ); + } else { + throw new Error( 'THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: ' + coordinateSystem ); + } + for ( const camera of cameras ) { + this.add( camera ); + camera.updateMatrixWorld(); + } + } + update( renderer, scene ) { + if ( this.parent === null ) this.updateMatrixWorld(); + const { renderTarget, activeMipmapLevel } = this; + if ( this.coordinateSystem !== renderer.coordinateSystem ) { + this.coordinateSystem = renderer.coordinateSystem; + this.updateCoordinateSystem(); + } + const [ cameraPX, cameraNX, cameraPY, cameraNY, cameraPZ, cameraNZ ] = this.children; + const currentRenderTarget = renderer.getRenderTarget(); + const currentActiveCubeFace = renderer.getActiveCubeFace(); + const currentActiveMipmapLevel = renderer.getActiveMipmapLevel(); + const currentXrEnabled = renderer.xr.enabled; + renderer.xr.enabled = false; + const generateMipmaps = renderTarget.texture.generateMipmaps; + renderTarget.texture.generateMipmaps = false; + renderer.setRenderTarget( renderTarget, 0, activeMipmapLevel ); + renderer.render( scene, cameraPX ); + renderer.setRenderTarget( renderTarget, 1, activeMipmapLevel ); + renderer.render( scene, cameraNX ); + renderer.setRenderTarget( renderTarget, 2, activeMipmapLevel ); + renderer.render( scene, cameraPY ); + renderer.setRenderTarget( renderTarget, 3, activeMipmapLevel ); + renderer.render( scene, cameraNY ); + renderer.setRenderTarget( renderTarget, 4, activeMipmapLevel ); + renderer.render( scene, cameraPZ ); + renderTarget.texture.generateMipmaps = generateMipmaps; + renderer.setRenderTarget( renderTarget, 5, activeMipmapLevel ); + renderer.render( scene, cameraNZ ); + renderer.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel ); + renderer.xr.enabled = currentXrEnabled; + renderTarget.texture.needsPMREMUpdate = true; + } + } + class CubeTexture extends Texture { + constructor( images = [], mapping = CubeReflectionMapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ) { + super( images, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ); + this.isCubeTexture = true; + this.flipY = false; + } + get images() { + return this.image; + } + set images( value ) { + this.image = value; + } + } + class WebGLCubeRenderTarget extends WebGLRenderTarget { + constructor( size = 1, options = {} ) { + super( size, size, options ); + this.isWebGLCubeRenderTarget = true; + const image = { width: size, height: size, depth: 1 }; + const images = [ image, image, image, image, image, image ]; + this.texture = new CubeTexture( images ); + this._setTextureOptions( options ); + this.texture.isRenderTargetTexture = true; + } + fromEquirectangularTexture( renderer, texture ) { + this.texture.type = texture.type; + this.texture.colorSpace = texture.colorSpace; + this.texture.generateMipmaps = texture.generateMipmaps; + this.texture.minFilter = texture.minFilter; + this.texture.magFilter = texture.magFilter; + const shader = { + uniforms: { + tEquirect: { value: null }, + }, + vertexShader: ` + + varying vec3 vWorldDirection; + + vec3 transformDirection( in vec3 dir, in mat4 matrix ) { + + return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); + + } + + void main() { + + vWorldDirection = transformDirection( position, modelMatrix ); + + #include + #include + + } + `, + fragmentShader: ` + + uniform sampler2D tEquirect; + + varying vec3 vWorldDirection; + + #include + + void main() { + + vec3 direction = normalize( vWorldDirection ); + + vec2 sampleUV = equirectUv( direction ); + + gl_FragColor = texture2D( tEquirect, sampleUV ); + + } + ` + }; + const geometry = new BoxGeometry( 5, 5, 5 ); + const material = new ShaderMaterial( { + name: 'CubemapFromEquirect', + uniforms: cloneUniforms( shader.uniforms ), + vertexShader: shader.vertexShader, + fragmentShader: shader.fragmentShader, + side: BackSide, + blending: NoBlending + } ); + material.uniforms.tEquirect.value = texture; + const mesh = new Mesh( geometry, material ); + const currentMinFilter = texture.minFilter; + if ( texture.minFilter === LinearMipmapLinearFilter ) texture.minFilter = LinearFilter; + const camera = new CubeCamera( 1, 10, this ); + camera.update( renderer, mesh ); + texture.minFilter = currentMinFilter; + mesh.geometry.dispose(); + mesh.material.dispose(); + return this; + } + clear( renderer, color = true, depth = true, stencil = true ) { + const currentRenderTarget = renderer.getRenderTarget(); + for ( let i = 0; i < 6; i ++ ) { + renderer.setRenderTarget( this, i ); + renderer.clear( color, depth, stencil ); + } + renderer.setRenderTarget( currentRenderTarget ); + } + } + class Group extends Object3D { + constructor() { + super(); + this.isGroup = true; + this.type = 'Group'; + } + } + const _moveEvent = { type: 'move' }; + class WebXRController { + constructor() { + this._targetRay = null; + this._grip = null; + this._hand = null; + } + getHandSpace() { + if ( this._hand === null ) { + this._hand = new Group(); + this._hand.matrixAutoUpdate = false; + this._hand.visible = false; + this._hand.joints = {}; + this._hand.inputState = { pinching: false }; + } + return this._hand; + } + getTargetRaySpace() { + if ( this._targetRay === null ) { + this._targetRay = new Group(); + this._targetRay.matrixAutoUpdate = false; + this._targetRay.visible = false; + this._targetRay.hasLinearVelocity = false; + this._targetRay.linearVelocity = new Vector3(); + this._targetRay.hasAngularVelocity = false; + this._targetRay.angularVelocity = new Vector3(); + } + return this._targetRay; + } + getGripSpace() { + if ( this._grip === null ) { + this._grip = new Group(); + this._grip.matrixAutoUpdate = false; + this._grip.visible = false; + this._grip.hasLinearVelocity = false; + this._grip.linearVelocity = new Vector3(); + this._grip.hasAngularVelocity = false; + this._grip.angularVelocity = new Vector3(); + } + return this._grip; + } + dispatchEvent( event ) { + if ( this._targetRay !== null ) { + this._targetRay.dispatchEvent( event ); + } + if ( this._grip !== null ) { + this._grip.dispatchEvent( event ); + } + if ( this._hand !== null ) { + this._hand.dispatchEvent( event ); + } + return this; + } + connect( inputSource ) { + if ( inputSource && inputSource.hand ) { + const hand = this._hand; + if ( hand ) { + for ( const inputjoint of inputSource.hand.values() ) { + this._getHandJoint( hand, inputjoint ); + } + } + } + this.dispatchEvent( { type: 'connected', data: inputSource } ); + return this; + } + disconnect( inputSource ) { + this.dispatchEvent( { type: 'disconnected', data: inputSource } ); + if ( this._targetRay !== null ) { + this._targetRay.visible = false; + } + if ( this._grip !== null ) { + this._grip.visible = false; + } + if ( this._hand !== null ) { + this._hand.visible = false; + } + return this; + } + update( inputSource, frame, referenceSpace ) { + let inputPose = null; + let gripPose = null; + let handPose = null; + const targetRay = this._targetRay; + const grip = this._grip; + const hand = this._hand; + if ( inputSource && frame.session.visibilityState !== 'visible-blurred' ) { + if ( hand && inputSource.hand ) { + handPose = true; + for ( const inputjoint of inputSource.hand.values() ) { + const jointPose = frame.getJointPose( inputjoint, referenceSpace ); + const joint = this._getHandJoint( hand, inputjoint ); + if ( jointPose !== null ) { + joint.matrix.fromArray( jointPose.transform.matrix ); + joint.matrix.decompose( joint.position, joint.rotation, joint.scale ); + joint.matrixWorldNeedsUpdate = true; + joint.jointRadius = jointPose.radius; + } + joint.visible = jointPose !== null; + } + const indexTip = hand.joints[ 'index-finger-tip' ]; + const thumbTip = hand.joints[ 'thumb-tip' ]; + const distance = indexTip.position.distanceTo( thumbTip.position ); + const distanceToPinch = 0.02; + const threshold = 0.005; + if ( hand.inputState.pinching && distance > distanceToPinch + threshold ) { + hand.inputState.pinching = false; + this.dispatchEvent( { + type: 'pinchend', + handedness: inputSource.handedness, + target: this + } ); + } else if ( ! hand.inputState.pinching && distance <= distanceToPinch - threshold ) { + hand.inputState.pinching = true; + this.dispatchEvent( { + type: 'pinchstart', + handedness: inputSource.handedness, + target: this + } ); + } + } else { + if ( grip !== null && inputSource.gripSpace ) { + gripPose = frame.getPose( inputSource.gripSpace, referenceSpace ); + if ( gripPose !== null ) { + grip.matrix.fromArray( gripPose.transform.matrix ); + grip.matrix.decompose( grip.position, grip.rotation, grip.scale ); + grip.matrixWorldNeedsUpdate = true; + if ( gripPose.linearVelocity ) { + grip.hasLinearVelocity = true; + grip.linearVelocity.copy( gripPose.linearVelocity ); + } else { + grip.hasLinearVelocity = false; + } + if ( gripPose.angularVelocity ) { + grip.hasAngularVelocity = true; + grip.angularVelocity.copy( gripPose.angularVelocity ); + } else { + grip.hasAngularVelocity = false; + } + } + } + } + if ( targetRay !== null ) { + inputPose = frame.getPose( inputSource.targetRaySpace, referenceSpace ); + if ( inputPose === null && gripPose !== null ) { + inputPose = gripPose; + } + if ( inputPose !== null ) { + targetRay.matrix.fromArray( inputPose.transform.matrix ); + targetRay.matrix.decompose( targetRay.position, targetRay.rotation, targetRay.scale ); + targetRay.matrixWorldNeedsUpdate = true; + if ( inputPose.linearVelocity ) { + targetRay.hasLinearVelocity = true; + targetRay.linearVelocity.copy( inputPose.linearVelocity ); + } else { + targetRay.hasLinearVelocity = false; + } + if ( inputPose.angularVelocity ) { + targetRay.hasAngularVelocity = true; + targetRay.angularVelocity.copy( inputPose.angularVelocity ); + } else { + targetRay.hasAngularVelocity = false; + } + this.dispatchEvent( _moveEvent ); + } + } + } + if ( targetRay !== null ) { + targetRay.visible = ( inputPose !== null ); + } + if ( grip !== null ) { + grip.visible = ( gripPose !== null ); + } + if ( hand !== null ) { + hand.visible = ( handPose !== null ); + } + return this; + } + _getHandJoint( hand, inputjoint ) { + if ( hand.joints[ inputjoint.jointName ] === undefined ) { + const joint = new Group(); + joint.matrixAutoUpdate = false; + joint.visible = false; + hand.joints[ inputjoint.jointName ] = joint; + hand.add( joint ); + } + return hand.joints[ inputjoint.jointName ]; + } + } + class FogExp2 { + constructor( color, density = 0.00025 ) { + this.isFogExp2 = true; + this.name = ''; + this.color = new Color( color ); + this.density = density; + } + clone() { + return new FogExp2( this.color, this.density ); + } + toJSON( ) { + return { + type: 'FogExp2', + name: this.name, + color: this.color.getHex(), + density: this.density + }; + } + } + class Fog { + constructor( color, near = 1, far = 1000 ) { + this.isFog = true; + this.name = ''; + this.color = new Color( color ); + this.near = near; + this.far = far; + } + clone() { + return new Fog( this.color, this.near, this.far ); + } + toJSON( ) { + return { + type: 'Fog', + name: this.name, + color: this.color.getHex(), + near: this.near, + far: this.far + }; + } + } + class Scene extends Object3D { + constructor() { + super(); + this.isScene = true; + this.type = 'Scene'; + this.background = null; + this.environment = null; + this.fog = null; + this.backgroundBlurriness = 0; + this.backgroundIntensity = 1; + this.backgroundRotation = new Euler(); + this.environmentIntensity = 1; + this.environmentRotation = new Euler(); + this.overrideMaterial = null; + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); + } + } + copy( source, recursive ) { + super.copy( source, recursive ); + if ( source.background !== null ) this.background = source.background.clone(); + if ( source.environment !== null ) this.environment = source.environment.clone(); + if ( source.fog !== null ) this.fog = source.fog.clone(); + this.backgroundBlurriness = source.backgroundBlurriness; + this.backgroundIntensity = source.backgroundIntensity; + this.backgroundRotation.copy( source.backgroundRotation ); + this.environmentIntensity = source.environmentIntensity; + this.environmentRotation.copy( source.environmentRotation ); + if ( source.overrideMaterial !== null ) this.overrideMaterial = source.overrideMaterial.clone(); + this.matrixAutoUpdate = source.matrixAutoUpdate; + return this; + } + toJSON( meta ) { + const data = super.toJSON( meta ); + if ( this.fog !== null ) data.object.fog = this.fog.toJSON(); + if ( this.backgroundBlurriness > 0 ) data.object.backgroundBlurriness = this.backgroundBlurriness; + if ( this.backgroundIntensity !== 1 ) data.object.backgroundIntensity = this.backgroundIntensity; + data.object.backgroundRotation = this.backgroundRotation.toArray(); + if ( this.environmentIntensity !== 1 ) data.object.environmentIntensity = this.environmentIntensity; + data.object.environmentRotation = this.environmentRotation.toArray(); + return data; + } + } + class InterleavedBuffer { + constructor( array, stride ) { + this.isInterleavedBuffer = true; + this.array = array; + this.stride = stride; + this.count = array !== undefined ? array.length / stride : 0; + this.usage = StaticDrawUsage; + this.updateRanges = []; + this.version = 0; + this.uuid = generateUUID(); + } + onUploadCallback() {} + set needsUpdate( value ) { + if ( value === true ) this.version ++; + } + setUsage( value ) { + this.usage = value; + return this; + } + addUpdateRange( start, count ) { + this.updateRanges.push( { start, count } ); + } + clearUpdateRanges() { + this.updateRanges.length = 0; + } + copy( source ) { + this.array = new source.array.constructor( source.array ); + this.count = source.count; + this.stride = source.stride; + this.usage = source.usage; + return this; + } + copyAt( index1, interleavedBuffer, index2 ) { + index1 *= this.stride; + index2 *= interleavedBuffer.stride; + for ( let i = 0, l = this.stride; i < l; i ++ ) { + this.array[ index1 + i ] = interleavedBuffer.array[ index2 + i ]; + } + return this; + } + set( value, offset = 0 ) { + this.array.set( value, offset ); + return this; + } + clone( data ) { + if ( data.arrayBuffers === undefined ) { + data.arrayBuffers = {}; + } + if ( this.array.buffer._uuid === undefined ) { + this.array.buffer._uuid = generateUUID(); + } + if ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) { + data.arrayBuffers[ this.array.buffer._uuid ] = this.array.slice( 0 ).buffer; + } + const array = new this.array.constructor( data.arrayBuffers[ this.array.buffer._uuid ] ); + const ib = new this.constructor( array, this.stride ); + ib.setUsage( this.usage ); + return ib; + } + onUpload( callback ) { + this.onUploadCallback = callback; + return this; + } + toJSON( data ) { + if ( data.arrayBuffers === undefined ) { + data.arrayBuffers = {}; + } + if ( this.array.buffer._uuid === undefined ) { + this.array.buffer._uuid = generateUUID(); + } + if ( data.arrayBuffers[ this.array.buffer._uuid ] === undefined ) { + data.arrayBuffers[ this.array.buffer._uuid ] = Array.from( new Uint32Array( this.array.buffer ) ); + } + return { + uuid: this.uuid, + buffer: this.array.buffer._uuid, + type: this.array.constructor.name, + stride: this.stride + }; + } + } + const _vector$7 = new Vector3(); + class InterleavedBufferAttribute { + constructor( interleavedBuffer, itemSize, offset, normalized = false ) { + this.isInterleavedBufferAttribute = true; + this.name = ''; + this.data = interleavedBuffer; + this.itemSize = itemSize; + this.offset = offset; + this.normalized = normalized; + } + get count() { + return this.data.count; + } + get array() { + return this.data.array; + } + set needsUpdate( value ) { + this.data.needsUpdate = value; + } + applyMatrix4( m ) { + for ( let i = 0, l = this.data.count; i < l; i ++ ) { + _vector$7.fromBufferAttribute( this, i ); + _vector$7.applyMatrix4( m ); + this.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z ); + } + return this; + } + applyNormalMatrix( m ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector$7.fromBufferAttribute( this, i ); + _vector$7.applyNormalMatrix( m ); + this.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z ); + } + return this; + } + transformDirection( m ) { + for ( let i = 0, l = this.count; i < l; i ++ ) { + _vector$7.fromBufferAttribute( this, i ); + _vector$7.transformDirection( m ); + this.setXYZ( i, _vector$7.x, _vector$7.y, _vector$7.z ); + } + return this; + } + getComponent( index, component ) { + let value = this.array[ index * this.data.stride + this.offset + component ]; + if ( this.normalized ) value = denormalize( value, this.array ); + return value; + } + setComponent( index, component, value ) { + if ( this.normalized ) value = normalize( value, this.array ); + this.data.array[ index * this.data.stride + this.offset + component ] = value; + return this; + } + setX( index, x ) { + if ( this.normalized ) x = normalize( x, this.array ); + this.data.array[ index * this.data.stride + this.offset ] = x; + return this; + } + setY( index, y ) { + if ( this.normalized ) y = normalize( y, this.array ); + this.data.array[ index * this.data.stride + this.offset + 1 ] = y; + return this; + } + setZ( index, z ) { + if ( this.normalized ) z = normalize( z, this.array ); + this.data.array[ index * this.data.stride + this.offset + 2 ] = z; + return this; + } + setW( index, w ) { + if ( this.normalized ) w = normalize( w, this.array ); + this.data.array[ index * this.data.stride + this.offset + 3 ] = w; + return this; + } + getX( index ) { + let x = this.data.array[ index * this.data.stride + this.offset ]; + if ( this.normalized ) x = denormalize( x, this.array ); + return x; + } + getY( index ) { + let y = this.data.array[ index * this.data.stride + this.offset + 1 ]; + if ( this.normalized ) y = denormalize( y, this.array ); + return y; + } + getZ( index ) { + let z = this.data.array[ index * this.data.stride + this.offset + 2 ]; + if ( this.normalized ) z = denormalize( z, this.array ); + return z; + } + getW( index ) { + let w = this.data.array[ index * this.data.stride + this.offset + 3 ]; + if ( this.normalized ) w = denormalize( w, this.array ); + return w; + } + setXY( index, x, y ) { + index = index * this.data.stride + this.offset; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + } + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + return this; + } + setXYZ( index, x, y, z ) { + index = index * this.data.stride + this.offset; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + z = normalize( z, this.array ); + } + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + return this; + } + setXYZW( index, x, y, z, w ) { + index = index * this.data.stride + this.offset; + if ( this.normalized ) { + x = normalize( x, this.array ); + y = normalize( y, this.array ); + z = normalize( z, this.array ); + w = normalize( w, this.array ); + } + this.data.array[ index + 0 ] = x; + this.data.array[ index + 1 ] = y; + this.data.array[ index + 2 ] = z; + this.data.array[ index + 3 ] = w; + return this; + } + clone( data ) { + if ( data === undefined ) { + console.log( 'THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.' ); + const array = []; + for ( let i = 0; i < this.count; i ++ ) { + const index = i * this.data.stride + this.offset; + for ( let j = 0; j < this.itemSize; j ++ ) { + array.push( this.data.array[ index + j ] ); + } + } + return new BufferAttribute( new this.array.constructor( array ), this.itemSize, this.normalized ); + } else { + if ( data.interleavedBuffers === undefined ) { + data.interleavedBuffers = {}; + } + if ( data.interleavedBuffers[ this.data.uuid ] === undefined ) { + data.interleavedBuffers[ this.data.uuid ] = this.data.clone( data ); + } + return new InterleavedBufferAttribute( data.interleavedBuffers[ this.data.uuid ], this.itemSize, this.offset, this.normalized ); + } + } + toJSON( data ) { + if ( data === undefined ) { + console.log( 'THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.' ); + const array = []; + for ( let i = 0; i < this.count; i ++ ) { + const index = i * this.data.stride + this.offset; + for ( let j = 0; j < this.itemSize; j ++ ) { + array.push( this.data.array[ index + j ] ); + } + } + return { + itemSize: this.itemSize, + type: this.array.constructor.name, + array: array, + normalized: this.normalized + }; + } else { + if ( data.interleavedBuffers === undefined ) { + data.interleavedBuffers = {}; + } + if ( data.interleavedBuffers[ this.data.uuid ] === undefined ) { + data.interleavedBuffers[ this.data.uuid ] = this.data.toJSON( data ); + } + return { + isInterleavedBufferAttribute: true, + itemSize: this.itemSize, + data: this.data.uuid, + offset: this.offset, + normalized: this.normalized + }; + } + } + } + class SpriteMaterial extends Material { + constructor( parameters ) { + super(); + this.isSpriteMaterial = true; + this.type = 'SpriteMaterial'; + this.color = new Color( 0xffffff ); + this.map = null; + this.alphaMap = null; + this.rotation = 0; + this.sizeAttenuation = true; + this.transparent = true; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.rotation = source.rotation; + this.sizeAttenuation = source.sizeAttenuation; + this.fog = source.fog; + return this; + } + } + let _geometry; + const _intersectPoint = new Vector3(); + const _worldScale = new Vector3(); + const _mvPosition = new Vector3(); + const _alignedPosition = new Vector2(); + const _rotatedPosition = new Vector2(); + const _viewWorldMatrix = new Matrix4(); + const _vA = new Vector3(); + const _vB = new Vector3(); + const _vC = new Vector3(); + const _uvA = new Vector2(); + const _uvB = new Vector2(); + const _uvC = new Vector2(); + class Sprite extends Object3D { + constructor( material = new SpriteMaterial() ) { + super(); + this.isSprite = true; + this.type = 'Sprite'; + if ( _geometry === undefined ) { + _geometry = new BufferGeometry(); + const float32Array = new Float32Array( [ + -0.5, -0.5, 0, 0, 0, + 0.5, -0.5, 0, 1, 0, + 0.5, 0.5, 0, 1, 1, + -0.5, 0.5, 0, 0, 1 + ] ); + const interleavedBuffer = new InterleavedBuffer( float32Array, 5 ); + _geometry.setIndex( [ 0, 1, 2, 0, 2, 3 ] ); + _geometry.setAttribute( 'position', new InterleavedBufferAttribute( interleavedBuffer, 3, 0, false ) ); + _geometry.setAttribute( 'uv', new InterleavedBufferAttribute( interleavedBuffer, 2, 3, false ) ); + } + this.geometry = _geometry; + this.material = material; + this.center = new Vector2( 0.5, 0.5 ); + this.count = 1; + } + raycast( raycaster, intersects ) { + if ( raycaster.camera === null ) { + console.error( 'THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.' ); + } + _worldScale.setFromMatrixScale( this.matrixWorld ); + _viewWorldMatrix.copy( raycaster.camera.matrixWorld ); + this.modelViewMatrix.multiplyMatrices( raycaster.camera.matrixWorldInverse, this.matrixWorld ); + _mvPosition.setFromMatrixPosition( this.modelViewMatrix ); + if ( raycaster.camera.isPerspectiveCamera && this.material.sizeAttenuation === false ) { + _worldScale.multiplyScalar( - _mvPosition.z ); + } + const rotation = this.material.rotation; + let sin, cos; + if ( rotation !== 0 ) { + cos = Math.cos( rotation ); + sin = Math.sin( rotation ); + } + const center = this.center; + transformVertex( _vA.set( -0.5, -0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vB.set( 0.5, -0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + transformVertex( _vC.set( 0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + _uvA.set( 0, 0 ); + _uvB.set( 1, 0 ); + _uvC.set( 1, 1 ); + let intersect = raycaster.ray.intersectTriangle( _vA, _vB, _vC, false, _intersectPoint ); + if ( intersect === null ) { + transformVertex( _vB.set( -0.5, 0.5, 0 ), _mvPosition, center, _worldScale, sin, cos ); + _uvB.set( 0, 1 ); + intersect = raycaster.ray.intersectTriangle( _vA, _vC, _vB, false, _intersectPoint ); + if ( intersect === null ) { + return; + } + } + const distance = raycaster.ray.origin.distanceTo( _intersectPoint ); + if ( distance < raycaster.near || distance > raycaster.far ) return; + intersects.push( { + distance: distance, + point: _intersectPoint.clone(), + uv: Triangle.getInterpolation( _intersectPoint, _vA, _vB, _vC, _uvA, _uvB, _uvC, new Vector2() ), + face: null, + object: this + } ); + } + copy( source, recursive ) { + super.copy( source, recursive ); + if ( source.center !== undefined ) this.center.copy( source.center ); + this.material = source.material; + return this; + } + } + function transformVertex( vertexPosition, mvPosition, center, scale, sin, cos ) { + _alignedPosition.subVectors( vertexPosition, center ).addScalar( 0.5 ).multiply( scale ); + if ( sin !== undefined ) { + _rotatedPosition.x = ( cos * _alignedPosition.x ) - ( sin * _alignedPosition.y ); + _rotatedPosition.y = ( sin * _alignedPosition.x ) + ( cos * _alignedPosition.y ); + } else { + _rotatedPosition.copy( _alignedPosition ); + } + vertexPosition.copy( mvPosition ); + vertexPosition.x += _rotatedPosition.x; + vertexPosition.y += _rotatedPosition.y; + vertexPosition.applyMatrix4( _viewWorldMatrix ); + } + const _v1$2 = new Vector3(); + const _v2$1 = new Vector3(); + class LOD extends Object3D { + constructor() { + super(); + this.isLOD = true; + this._currentLevel = 0; + this.type = 'LOD'; + Object.defineProperties( this, { + levels: { + enumerable: true, + value: [] + } + } ); + this.autoUpdate = true; + } + copy( source ) { + super.copy( source, false ); + const levels = source.levels; + for ( let i = 0, l = levels.length; i < l; i ++ ) { + const level = levels[ i ]; + this.addLevel( level.object.clone(), level.distance, level.hysteresis ); + } + this.autoUpdate = source.autoUpdate; + return this; + } + addLevel( object, distance = 0, hysteresis = 0 ) { + distance = Math.abs( distance ); + const levels = this.levels; + let l; + for ( l = 0; l < levels.length; l ++ ) { + if ( distance < levels[ l ].distance ) { + break; + } + } + levels.splice( l, 0, { distance: distance, hysteresis: hysteresis, object: object } ); + this.add( object ); + return this; + } + removeLevel( distance ) { + const levels = this.levels; + for ( let i = 0; i < levels.length; i ++ ) { + if ( levels[ i ].distance === distance ) { + const removedElements = levels.splice( i, 1 ); + this.remove( removedElements[ 0 ].object ); + return true; + } + } + return false; + } + getCurrentLevel() { + return this._currentLevel; + } + getObjectForDistance( distance ) { + const levels = this.levels; + if ( levels.length > 0 ) { + let i, l; + for ( i = 1, l = levels.length; i < l; i ++ ) { + let levelDistance = levels[ i ].distance; + if ( levels[ i ].object.visible ) { + levelDistance -= levelDistance * levels[ i ].hysteresis; + } + if ( distance < levelDistance ) { + break; + } + } + return levels[ i - 1 ].object; + } + return null; + } + raycast( raycaster, intersects ) { + const levels = this.levels; + if ( levels.length > 0 ) { + _v1$2.setFromMatrixPosition( this.matrixWorld ); + const distance = raycaster.ray.origin.distanceTo( _v1$2 ); + this.getObjectForDistance( distance ).raycast( raycaster, intersects ); + } + } + update( camera ) { + const levels = this.levels; + if ( levels.length > 1 ) { + _v1$2.setFromMatrixPosition( camera.matrixWorld ); + _v2$1.setFromMatrixPosition( this.matrixWorld ); + const distance = _v1$2.distanceTo( _v2$1 ) / camera.zoom; + levels[ 0 ].object.visible = true; + let i, l; + for ( i = 1, l = levels.length; i < l; i ++ ) { + let levelDistance = levels[ i ].distance; + if ( levels[ i ].object.visible ) { + levelDistance -= levelDistance * levels[ i ].hysteresis; + } + if ( distance >= levelDistance ) { + levels[ i - 1 ].object.visible = false; + levels[ i ].object.visible = true; + } else { + break; + } + } + this._currentLevel = i - 1; + for ( ; i < l; i ++ ) { + levels[ i ].object.visible = false; + } + } + } + toJSON( meta ) { + const data = super.toJSON( meta ); + if ( this.autoUpdate === false ) data.object.autoUpdate = false; + data.object.levels = []; + const levels = this.levels; + for ( let i = 0, l = levels.length; i < l; i ++ ) { + const level = levels[ i ]; + data.object.levels.push( { + object: level.object.uuid, + distance: level.distance, + hysteresis: level.hysteresis + } ); + } + return data; + } + } + const _basePosition = new Vector3(); + const _skinIndex = new Vector4(); + const _skinWeight = new Vector4(); + const _vector3 = new Vector3(); + const _matrix4 = new Matrix4(); + const _vertex = new Vector3(); + const _sphere$5 = new Sphere(); + const _inverseMatrix$2 = new Matrix4(); + const _ray$2 = new Ray(); + class SkinnedMesh extends Mesh { + constructor( geometry, material ) { + super( geometry, material ); + this.isSkinnedMesh = true; + this.type = 'SkinnedMesh'; + this.bindMode = AttachedBindMode; + this.bindMatrix = new Matrix4(); + this.bindMatrixInverse = new Matrix4(); + this.boundingBox = null; + this.boundingSphere = null; + } + computeBoundingBox() { + const geometry = this.geometry; + if ( this.boundingBox === null ) { + this.boundingBox = new Box3(); + } + this.boundingBox.makeEmpty(); + const positionAttribute = geometry.getAttribute( 'position' ); + for ( let i = 0; i < positionAttribute.count; i ++ ) { + this.getVertexPosition( i, _vertex ); + this.boundingBox.expandByPoint( _vertex ); + } + } + computeBoundingSphere() { + const geometry = this.geometry; + if ( this.boundingSphere === null ) { + this.boundingSphere = new Sphere(); + } + this.boundingSphere.makeEmpty(); + const positionAttribute = geometry.getAttribute( 'position' ); + for ( let i = 0; i < positionAttribute.count; i ++ ) { + this.getVertexPosition( i, _vertex ); + this.boundingSphere.expandByPoint( _vertex ); + } + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.bindMode = source.bindMode; + this.bindMatrix.copy( source.bindMatrix ); + this.bindMatrixInverse.copy( source.bindMatrixInverse ); + this.skeleton = source.skeleton; + if ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone(); + if ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone(); + return this; + } + raycast( raycaster, intersects ) { + const material = this.material; + const matrixWorld = this.matrixWorld; + if ( material === undefined ) return; + if ( this.boundingSphere === null ) this.computeBoundingSphere(); + _sphere$5.copy( this.boundingSphere ); + _sphere$5.applyMatrix4( matrixWorld ); + if ( raycaster.ray.intersectsSphere( _sphere$5 ) === false ) return; + _inverseMatrix$2.copy( matrixWorld ).invert(); + _ray$2.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$2 ); + if ( this.boundingBox !== null ) { + if ( _ray$2.intersectsBox( this.boundingBox ) === false ) return; + } + this._computeIntersections( raycaster, intersects, _ray$2 ); + } + getVertexPosition( index, target ) { + super.getVertexPosition( index, target ); + this.applyBoneTransform( index, target ); + return target; + } + bind( skeleton, bindMatrix ) { + this.skeleton = skeleton; + if ( bindMatrix === undefined ) { + this.updateMatrixWorld( true ); + this.skeleton.calculateInverses(); + bindMatrix = this.matrixWorld; + } + this.bindMatrix.copy( bindMatrix ); + this.bindMatrixInverse.copy( bindMatrix ).invert(); + } + pose() { + this.skeleton.pose(); + } + normalizeSkinWeights() { + const vector = new Vector4(); + const skinWeight = this.geometry.attributes.skinWeight; + for ( let i = 0, l = skinWeight.count; i < l; i ++ ) { + vector.fromBufferAttribute( skinWeight, i ); + const scale = 1.0 / vector.manhattanLength(); + if ( scale !== Infinity ) { + vector.multiplyScalar( scale ); + } else { + vector.set( 1, 0, 0, 0 ); + } + skinWeight.setXYZW( i, vector.x, vector.y, vector.z, vector.w ); + } + } + updateMatrixWorld( force ) { + super.updateMatrixWorld( force ); + if ( this.bindMode === AttachedBindMode ) { + this.bindMatrixInverse.copy( this.matrixWorld ).invert(); + } else if ( this.bindMode === DetachedBindMode ) { + this.bindMatrixInverse.copy( this.bindMatrix ).invert(); + } else { + console.warn( 'THREE.SkinnedMesh: Unrecognized bindMode: ' + this.bindMode ); + } + } + applyBoneTransform( index, target ) { + const skeleton = this.skeleton; + const geometry = this.geometry; + _skinIndex.fromBufferAttribute( geometry.attributes.skinIndex, index ); + _skinWeight.fromBufferAttribute( geometry.attributes.skinWeight, index ); + _basePosition.copy( target ).applyMatrix4( this.bindMatrix ); + target.set( 0, 0, 0 ); + for ( let i = 0; i < 4; i ++ ) { + const weight = _skinWeight.getComponent( i ); + if ( weight !== 0 ) { + const boneIndex = _skinIndex.getComponent( i ); + _matrix4.multiplyMatrices( skeleton.bones[ boneIndex ].matrixWorld, skeleton.boneInverses[ boneIndex ] ); + target.addScaledVector( _vector3.copy( _basePosition ).applyMatrix4( _matrix4 ), weight ); + } + } + return target.applyMatrix4( this.bindMatrixInverse ); + } + } + class Bone extends Object3D { + constructor() { + super(); + this.isBone = true; + this.type = 'Bone'; + } + } + class DataTexture extends Texture { + constructor( data = null, width = 1, height = 1, format, type, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, colorSpace ) { + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ); + this.isDataTexture = true; + this.image = { data: data, width: width, height: height }; + this.generateMipmaps = false; + this.flipY = false; + this.unpackAlignment = 1; + } + } + const _offsetMatrix = new Matrix4(); + const _identityMatrix = new Matrix4(); + class Skeleton { + constructor( bones = [], boneInverses = [] ) { + this.uuid = generateUUID(); + this.bones = bones.slice( 0 ); + this.boneInverses = boneInverses; + this.boneMatrices = null; + this.boneTexture = null; + this.init(); + } + init() { + const bones = this.bones; + const boneInverses = this.boneInverses; + this.boneMatrices = new Float32Array( bones.length * 16 ); + if ( boneInverses.length === 0 ) { + this.calculateInverses(); + } else { + if ( bones.length !== boneInverses.length ) { + console.warn( 'THREE.Skeleton: Number of inverse bone matrices does not match amount of bones.' ); + this.boneInverses = []; + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + this.boneInverses.push( new Matrix4() ); + } + } + } + } + calculateInverses() { + this.boneInverses.length = 0; + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + const inverse = new Matrix4(); + if ( this.bones[ i ] ) { + inverse.copy( this.bones[ i ].matrixWorld ).invert(); + } + this.boneInverses.push( inverse ); + } + } + pose() { + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + const bone = this.bones[ i ]; + if ( bone ) { + bone.matrixWorld.copy( this.boneInverses[ i ] ).invert(); + } + } + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + const bone = this.bones[ i ]; + if ( bone ) { + if ( bone.parent && bone.parent.isBone ) { + bone.matrix.copy( bone.parent.matrixWorld ).invert(); + bone.matrix.multiply( bone.matrixWorld ); + } else { + bone.matrix.copy( bone.matrixWorld ); + } + bone.matrix.decompose( bone.position, bone.quaternion, bone.scale ); + } + } + } + update() { + const bones = this.bones; + const boneInverses = this.boneInverses; + const boneMatrices = this.boneMatrices; + const boneTexture = this.boneTexture; + for ( let i = 0, il = bones.length; i < il; i ++ ) { + const matrix = bones[ i ] ? bones[ i ].matrixWorld : _identityMatrix; + _offsetMatrix.multiplyMatrices( matrix, boneInverses[ i ] ); + _offsetMatrix.toArray( boneMatrices, i * 16 ); + } + if ( boneTexture !== null ) { + boneTexture.needsUpdate = true; + } + } + clone() { + return new Skeleton( this.bones, this.boneInverses ); + } + computeBoneTexture() { + let size = Math.sqrt( this.bones.length * 4 ); + size = Math.ceil( size / 4 ) * 4; + size = Math.max( size, 4 ); + const boneMatrices = new Float32Array( size * size * 4 ); + boneMatrices.set( this.boneMatrices ); + const boneTexture = new DataTexture( boneMatrices, size, size, RGBAFormat, FloatType ); + boneTexture.needsUpdate = true; + this.boneMatrices = boneMatrices; + this.boneTexture = boneTexture; + return this; + } + getBoneByName( name ) { + for ( let i = 0, il = this.bones.length; i < il; i ++ ) { + const bone = this.bones[ i ]; + if ( bone.name === name ) { + return bone; + } + } + return undefined; + } + dispose( ) { + if ( this.boneTexture !== null ) { + this.boneTexture.dispose(); + this.boneTexture = null; + } + } + fromJSON( json, bones ) { + this.uuid = json.uuid; + for ( let i = 0, l = json.bones.length; i < l; i ++ ) { + const uuid = json.bones[ i ]; + let bone = bones[ uuid ]; + if ( bone === undefined ) { + console.warn( 'THREE.Skeleton: No bone found with UUID:', uuid ); + bone = new Bone(); + } + this.bones.push( bone ); + this.boneInverses.push( new Matrix4().fromArray( json.boneInverses[ i ] ) ); + } + this.init(); + return this; + } + toJSON() { + const data = { + metadata: { + version: 4.7, + type: 'Skeleton', + generator: 'Skeleton.toJSON' + }, + bones: [], + boneInverses: [] + }; + data.uuid = this.uuid; + const bones = this.bones; + const boneInverses = this.boneInverses; + for ( let i = 0, l = bones.length; i < l; i ++ ) { + const bone = bones[ i ]; + data.bones.push( bone.uuid ); + const boneInverse = boneInverses[ i ]; + data.boneInverses.push( boneInverse.toArray() ); + } + return data; + } + } + class InstancedBufferAttribute extends BufferAttribute { + constructor( array, itemSize, normalized, meshPerAttribute = 1 ) { + super( array, itemSize, normalized ); + this.isInstancedBufferAttribute = true; + this.meshPerAttribute = meshPerAttribute; + } + copy( source ) { + super.copy( source ); + this.meshPerAttribute = source.meshPerAttribute; + return this; + } + toJSON() { + const data = super.toJSON(); + data.meshPerAttribute = this.meshPerAttribute; + data.isInstancedBufferAttribute = true; + return data; + } + } + const _instanceLocalMatrix = new Matrix4(); + const _instanceWorldMatrix = new Matrix4(); + const _instanceIntersects = []; + const _box3 = new Box3(); + const _identity = new Matrix4(); + const _mesh$1 = new Mesh(); + const _sphere$4 = new Sphere(); + class InstancedMesh extends Mesh { + constructor( geometry, material, count ) { + super( geometry, material ); + this.isInstancedMesh = true; + this.instanceMatrix = new InstancedBufferAttribute( new Float32Array( count * 16 ), 16 ); + this.instanceColor = null; + this.morphTexture = null; + this.count = count; + this.boundingBox = null; + this.boundingSphere = null; + for ( let i = 0; i < count; i ++ ) { + this.setMatrixAt( i, _identity ); + } + } + computeBoundingBox() { + const geometry = this.geometry; + const count = this.count; + if ( this.boundingBox === null ) { + this.boundingBox = new Box3(); + } + if ( geometry.boundingBox === null ) { + geometry.computeBoundingBox(); + } + this.boundingBox.makeEmpty(); + for ( let i = 0; i < count; i ++ ) { + this.getMatrixAt( i, _instanceLocalMatrix ); + _box3.copy( geometry.boundingBox ).applyMatrix4( _instanceLocalMatrix ); + this.boundingBox.union( _box3 ); + } + } + computeBoundingSphere() { + const geometry = this.geometry; + const count = this.count; + if ( this.boundingSphere === null ) { + this.boundingSphere = new Sphere(); + } + if ( geometry.boundingSphere === null ) { + geometry.computeBoundingSphere(); + } + this.boundingSphere.makeEmpty(); + for ( let i = 0; i < count; i ++ ) { + this.getMatrixAt( i, _instanceLocalMatrix ); + _sphere$4.copy( geometry.boundingSphere ).applyMatrix4( _instanceLocalMatrix ); + this.boundingSphere.union( _sphere$4 ); + } + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.instanceMatrix.copy( source.instanceMatrix ); + if ( source.morphTexture !== null ) this.morphTexture = source.morphTexture.clone(); + if ( source.instanceColor !== null ) this.instanceColor = source.instanceColor.clone(); + this.count = source.count; + if ( source.boundingBox !== null ) this.boundingBox = source.boundingBox.clone(); + if ( source.boundingSphere !== null ) this.boundingSphere = source.boundingSphere.clone(); + return this; + } + getColorAt( index, color ) { + color.fromArray( this.instanceColor.array, index * 3 ); + } + getMatrixAt( index, matrix ) { + matrix.fromArray( this.instanceMatrix.array, index * 16 ); + } + getMorphAt( index, object ) { + const objectInfluences = object.morphTargetInfluences; + const array = this.morphTexture.source.data.data; + const len = objectInfluences.length + 1; + const dataIndex = index * len + 1; + for ( let i = 0; i < objectInfluences.length; i ++ ) { + objectInfluences[ i ] = array[ dataIndex + i ]; + } + } + raycast( raycaster, intersects ) { + const matrixWorld = this.matrixWorld; + const raycastTimes = this.count; + _mesh$1.geometry = this.geometry; + _mesh$1.material = this.material; + if ( _mesh$1.material === undefined ) return; + if ( this.boundingSphere === null ) this.computeBoundingSphere(); + _sphere$4.copy( this.boundingSphere ); + _sphere$4.applyMatrix4( matrixWorld ); + if ( raycaster.ray.intersectsSphere( _sphere$4 ) === false ) return; + for ( let instanceId = 0; instanceId < raycastTimes; instanceId ++ ) { + this.getMatrixAt( instanceId, _instanceLocalMatrix ); + _instanceWorldMatrix.multiplyMatrices( matrixWorld, _instanceLocalMatrix ); + _mesh$1.matrixWorld = _instanceWorldMatrix; + _mesh$1.raycast( raycaster, _instanceIntersects ); + for ( let i = 0, l = _instanceIntersects.length; i < l; i ++ ) { + const intersect = _instanceIntersects[ i ]; + intersect.instanceId = instanceId; + intersect.object = this; + intersects.push( intersect ); + } + _instanceIntersects.length = 0; + } + } + setColorAt( index, color ) { + if ( this.instanceColor === null ) { + this.instanceColor = new InstancedBufferAttribute( new Float32Array( this.instanceMatrix.count * 3 ).fill( 1 ), 3 ); + } + color.toArray( this.instanceColor.array, index * 3 ); + } + setMatrixAt( index, matrix ) { + matrix.toArray( this.instanceMatrix.array, index * 16 ); + } + setMorphAt( index, object ) { + const objectInfluences = object.morphTargetInfluences; + const len = objectInfluences.length + 1; + if ( this.morphTexture === null ) { + this.morphTexture = new DataTexture( new Float32Array( len * this.count ), len, this.count, RedFormat, FloatType ); + } + const array = this.morphTexture.source.data.data; + let morphInfluencesSum = 0; + for ( let i = 0; i < objectInfluences.length; i ++ ) { + morphInfluencesSum += objectInfluences[ i ]; + } + const morphBaseInfluence = this.geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + const dataIndex = len * index; + array[ dataIndex ] = morphBaseInfluence; + array.set( objectInfluences, dataIndex + 1 ); + } + updateMorphTargets() { + } + dispose() { + this.dispatchEvent( { type: 'dispose' } ); + if ( this.morphTexture !== null ) { + this.morphTexture.dispose(); + this.morphTexture = null; + } + } + } + const _vector1 = new Vector3(); + const _vector2 = new Vector3(); + const _normalMatrix = new Matrix3(); + class Plane { + constructor( normal = new Vector3( 1, 0, 0 ), constant = 0 ) { + this.isPlane = true; + this.normal = normal; + this.constant = constant; + } + set( normal, constant ) { + this.normal.copy( normal ); + this.constant = constant; + return this; + } + setComponents( x, y, z, w ) { + this.normal.set( x, y, z ); + this.constant = w; + return this; + } + setFromNormalAndCoplanarPoint( normal, point ) { + this.normal.copy( normal ); + this.constant = - point.dot( this.normal ); + return this; + } + setFromCoplanarPoints( a, b, c ) { + const normal = _vector1.subVectors( c, b ).cross( _vector2.subVectors( a, b ) ).normalize(); + this.setFromNormalAndCoplanarPoint( normal, a ); + return this; + } + copy( plane ) { + this.normal.copy( plane.normal ); + this.constant = plane.constant; + return this; + } + normalize() { + const inverseNormalLength = 1.0 / this.normal.length(); + this.normal.multiplyScalar( inverseNormalLength ); + this.constant *= inverseNormalLength; + return this; + } + negate() { + this.constant *= -1; + this.normal.negate(); + return this; + } + distanceToPoint( point ) { + return this.normal.dot( point ) + this.constant; + } + distanceToSphere( sphere ) { + return this.distanceToPoint( sphere.center ) - sphere.radius; + } + projectPoint( point, target ) { + return target.copy( point ).addScaledVector( this.normal, - this.distanceToPoint( point ) ); + } + intersectLine( line, target ) { + const direction = line.delta( _vector1 ); + const denominator = this.normal.dot( direction ); + if ( denominator === 0 ) { + if ( this.distanceToPoint( line.start ) === 0 ) { + return target.copy( line.start ); + } + return null; + } + const t = - ( line.start.dot( this.normal ) + this.constant ) / denominator; + if ( t < 0 || t > 1 ) { + return null; + } + return target.copy( line.start ).addScaledVector( direction, t ); + } + intersectsLine( line ) { + const startSign = this.distanceToPoint( line.start ); + const endSign = this.distanceToPoint( line.end ); + return ( startSign < 0 && endSign > 0 ) || ( endSign < 0 && startSign > 0 ); + } + intersectsBox( box ) { + return box.intersectsPlane( this ); + } + intersectsSphere( sphere ) { + return sphere.intersectsPlane( this ); + } + coplanarPoint( target ) { + return target.copy( this.normal ).multiplyScalar( - this.constant ); + } + applyMatrix4( matrix, optionalNormalMatrix ) { + const normalMatrix = optionalNormalMatrix || _normalMatrix.getNormalMatrix( matrix ); + const referencePoint = this.coplanarPoint( _vector1 ).applyMatrix4( matrix ); + const normal = this.normal.applyMatrix3( normalMatrix ).normalize(); + this.constant = - referencePoint.dot( normal ); + return this; + } + translate( offset ) { + this.constant -= offset.dot( this.normal ); + return this; + } + equals( plane ) { + return plane.normal.equals( this.normal ) && ( plane.constant === this.constant ); + } + clone() { + return new this.constructor().copy( this ); + } + } + const _sphere$3 = new Sphere(); + const _defaultSpriteCenter = new Vector2( 0.5, 0.5 ); + const _vector$6 = new Vector3(); + class Frustum { + constructor( p0 = new Plane(), p1 = new Plane(), p2 = new Plane(), p3 = new Plane(), p4 = new Plane(), p5 = new Plane() ) { + this.planes = [ p0, p1, p2, p3, p4, p5 ]; + } + set( p0, p1, p2, p3, p4, p5 ) { + const planes = this.planes; + planes[ 0 ].copy( p0 ); + planes[ 1 ].copy( p1 ); + planes[ 2 ].copy( p2 ); + planes[ 3 ].copy( p3 ); + planes[ 4 ].copy( p4 ); + planes[ 5 ].copy( p5 ); + return this; + } + copy( frustum ) { + const planes = this.planes; + for ( let i = 0; i < 6; i ++ ) { + planes[ i ].copy( frustum.planes[ i ] ); + } + return this; + } + setFromProjectionMatrix( m, coordinateSystem = WebGLCoordinateSystem ) { + const planes = this.planes; + const me = m.elements; + const me0 = me[ 0 ], me1 = me[ 1 ], me2 = me[ 2 ], me3 = me[ 3 ]; + const me4 = me[ 4 ], me5 = me[ 5 ], me6 = me[ 6 ], me7 = me[ 7 ]; + const me8 = me[ 8 ], me9 = me[ 9 ], me10 = me[ 10 ], me11 = me[ 11 ]; + const me12 = me[ 12 ], me13 = me[ 13 ], me14 = me[ 14 ], me15 = me[ 15 ]; + planes[ 0 ].setComponents( me3 - me0, me7 - me4, me11 - me8, me15 - me12 ).normalize(); + planes[ 1 ].setComponents( me3 + me0, me7 + me4, me11 + me8, me15 + me12 ).normalize(); + planes[ 2 ].setComponents( me3 + me1, me7 + me5, me11 + me9, me15 + me13 ).normalize(); + planes[ 3 ].setComponents( me3 - me1, me7 - me5, me11 - me9, me15 - me13 ).normalize(); + planes[ 4 ].setComponents( me3 - me2, me7 - me6, me11 - me10, me15 - me14 ).normalize(); + if ( coordinateSystem === WebGLCoordinateSystem ) { + planes[ 5 ].setComponents( me3 + me2, me7 + me6, me11 + me10, me15 + me14 ).normalize(); + } else if ( coordinateSystem === WebGPUCoordinateSystem ) { + planes[ 5 ].setComponents( me2, me6, me10, me14 ).normalize(); + } else { + throw new Error( 'THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: ' + coordinateSystem ); + } + return this; + } + intersectsObject( object ) { + if ( object.boundingSphere !== undefined ) { + if ( object.boundingSphere === null ) object.computeBoundingSphere(); + _sphere$3.copy( object.boundingSphere ).applyMatrix4( object.matrixWorld ); + } else { + const geometry = object.geometry; + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + _sphere$3.copy( geometry.boundingSphere ).applyMatrix4( object.matrixWorld ); + } + return this.intersectsSphere( _sphere$3 ); + } + intersectsSprite( sprite ) { + _sphere$3.center.set( 0, 0, 0 ); + const offset = _defaultSpriteCenter.distanceTo( sprite.center ); + _sphere$3.radius = 0.7071067811865476 + offset; + _sphere$3.applyMatrix4( sprite.matrixWorld ); + return this.intersectsSphere( _sphere$3 ); + } + intersectsSphere( sphere ) { + const planes = this.planes; + const center = sphere.center; + const negRadius = - sphere.radius; + for ( let i = 0; i < 6; i ++ ) { + const distance = planes[ i ].distanceToPoint( center ); + if ( distance < negRadius ) { + return false; + } + } + return true; + } + intersectsBox( box ) { + const planes = this.planes; + for ( let i = 0; i < 6; i ++ ) { + const plane = planes[ i ]; + _vector$6.x = plane.normal.x > 0 ? box.max.x : box.min.x; + _vector$6.y = plane.normal.y > 0 ? box.max.y : box.min.y; + _vector$6.z = plane.normal.z > 0 ? box.max.z : box.min.z; + if ( plane.distanceToPoint( _vector$6 ) < 0 ) { + return false; + } + } + return true; + } + containsPoint( point ) { + const planes = this.planes; + for ( let i = 0; i < 6; i ++ ) { + if ( planes[ i ].distanceToPoint( point ) < 0 ) { + return false; + } + } + return true; + } + clone() { + return new this.constructor().copy( this ); + } + } + const _projScreenMatrix$2 = new Matrix4(); + const _frustum$1 = new Frustum(); + class FrustumArray { + constructor() { + this.coordinateSystem = WebGLCoordinateSystem; + } + intersectsObject( object, cameraArray ) { + if ( ! cameraArray.isArrayCamera || cameraArray.cameras.length === 0 ) { + return false; + } + for ( let i = 0; i < cameraArray.cameras.length; i ++ ) { + const camera = cameraArray.cameras[ i ]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + this.coordinateSystem + ); + if ( _frustum$1.intersectsObject( object ) ) { + return true; + } + } + return false; + } + intersectsSprite( sprite, cameraArray ) { + if ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) { + return false; + } + for ( let i = 0; i < cameraArray.cameras.length; i ++ ) { + const camera = cameraArray.cameras[ i ]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + this.coordinateSystem + ); + if ( _frustum$1.intersectsSprite( sprite ) ) { + return true; + } + } + return false; + } + intersectsSphere( sphere, cameraArray ) { + if ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) { + return false; + } + for ( let i = 0; i < cameraArray.cameras.length; i ++ ) { + const camera = cameraArray.cameras[ i ]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + this.coordinateSystem + ); + if ( _frustum$1.intersectsSphere( sphere ) ) { + return true; + } + } + return false; + } + intersectsBox( box, cameraArray ) { + if ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) { + return false; + } + for ( let i = 0; i < cameraArray.cameras.length; i ++ ) { + const camera = cameraArray.cameras[ i ]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + this.coordinateSystem + ); + if ( _frustum$1.intersectsBox( box ) ) { + return true; + } + } + return false; + } + containsPoint( point, cameraArray ) { + if ( ! cameraArray || ! cameraArray.cameras || cameraArray.cameras.length === 0 ) { + return false; + } + for ( let i = 0; i < cameraArray.cameras.length; i ++ ) { + const camera = cameraArray.cameras[ i ]; + _projScreenMatrix$2.multiplyMatrices( + camera.projectionMatrix, + camera.matrixWorldInverse + ); + _frustum$1.setFromProjectionMatrix( + _projScreenMatrix$2, + this.coordinateSystem + ); + if ( _frustum$1.containsPoint( point ) ) { + return true; + } + } + return false; + } + clone() { + return new FrustumArray(); + } + } + function ascIdSort( a, b ) { + return a - b; + } + function sortOpaque( a, b ) { + return a.z - b.z; + } + function sortTransparent( a, b ) { + return b.z - a.z; + } + class MultiDrawRenderList { + constructor() { + this.index = 0; + this.pool = []; + this.list = []; + } + push( start, count, z, index ) { + const pool = this.pool; + const list = this.list; + if ( this.index >= pool.length ) { + pool.push( { + start: -1, + count: -1, + z: -1, + index: -1, + } ); + } + const item = pool[ this.index ]; + list.push( item ); + this.index ++; + item.start = start; + item.count = count; + item.z = z; + item.index = index; + } + reset() { + this.list.length = 0; + this.index = 0; + } + } + const _matrix$1 = new Matrix4(); + const _whiteColor = new Color( 1, 1, 1 ); + const _frustum = new Frustum(); + const _frustumArray = new FrustumArray(); + const _box$1 = new Box3(); + const _sphere$2 = new Sphere(); + const _vector$5 = new Vector3(); + const _forward$1 = new Vector3(); + const _temp = new Vector3(); + const _renderList = new MultiDrawRenderList(); + const _mesh = new Mesh(); + const _batchIntersects = []; + function copyAttributeData( src, target, targetOffset = 0 ) { + const itemSize = target.itemSize; + if ( src.isInterleavedBufferAttribute || src.array.constructor !== target.array.constructor ) { + const vertexCount = src.count; + for ( let i = 0; i < vertexCount; i ++ ) { + for ( let c = 0; c < itemSize; c ++ ) { + target.setComponent( i + targetOffset, c, src.getComponent( i, c ) ); + } + } + } else { + target.array.set( src.array, targetOffset * itemSize ); + } + target.needsUpdate = true; + } + function copyArrayContents( src, target ) { + if ( src.constructor !== target.constructor ) { + const len = Math.min( src.length, target.length ); + for ( let i = 0; i < len; i ++ ) { + target[ i ] = src[ i ]; + } + } else { + const len = Math.min( src.length, target.length ); + target.set( new src.constructor( src.buffer, 0, len ) ); + } + } + class BatchedMesh extends Mesh { + constructor( maxInstanceCount, maxVertexCount, maxIndexCount = maxVertexCount * 2, material ) { + super( new BufferGeometry(), material ); + this.isBatchedMesh = true; + this.perObjectFrustumCulled = true; + this.sortObjects = true; + this.boundingBox = null; + this.boundingSphere = null; + this.customSort = null; + this._instanceInfo = []; + this._geometryInfo = []; + this._availableInstanceIds = []; + this._availableGeometryIds = []; + this._nextIndexStart = 0; + this._nextVertexStart = 0; + this._geometryCount = 0; + this._visibilityChanged = true; + this._geometryInitialized = false; + this._maxInstanceCount = maxInstanceCount; + this._maxVertexCount = maxVertexCount; + this._maxIndexCount = maxIndexCount; + this._multiDrawCounts = new Int32Array( maxInstanceCount ); + this._multiDrawStarts = new Int32Array( maxInstanceCount ); + this._multiDrawCount = 0; + this._multiDrawInstances = null; + this._matricesTexture = null; + this._indirectTexture = null; + this._colorsTexture = null; + this._initMatricesTexture(); + this._initIndirectTexture(); + } + get maxInstanceCount() { + return this._maxInstanceCount; + } + get instanceCount() { + return this._instanceInfo.length - this._availableInstanceIds.length; + } + get unusedVertexCount() { + return this._maxVertexCount - this._nextVertexStart; + } + get unusedIndexCount() { + return this._maxIndexCount - this._nextIndexStart; + } + _initMatricesTexture() { + let size = Math.sqrt( this._maxInstanceCount * 4 ); + size = Math.ceil( size / 4 ) * 4; + size = Math.max( size, 4 ); + const matricesArray = new Float32Array( size * size * 4 ); + const matricesTexture = new DataTexture( matricesArray, size, size, RGBAFormat, FloatType ); + this._matricesTexture = matricesTexture; + } + _initIndirectTexture() { + let size = Math.sqrt( this._maxInstanceCount ); + size = Math.ceil( size ); + const indirectArray = new Uint32Array( size * size ); + const indirectTexture = new DataTexture( indirectArray, size, size, RedIntegerFormat, UnsignedIntType ); + this._indirectTexture = indirectTexture; + } + _initColorsTexture() { + let size = Math.sqrt( this._maxInstanceCount ); + size = Math.ceil( size ); + const colorsArray = new Float32Array( size * size * 4 ).fill( 1 ); + const colorsTexture = new DataTexture( colorsArray, size, size, RGBAFormat, FloatType ); + colorsTexture.colorSpace = ColorManagement.workingColorSpace; + this._colorsTexture = colorsTexture; + } + _initializeGeometry( reference ) { + const geometry = this.geometry; + const maxVertexCount = this._maxVertexCount; + const maxIndexCount = this._maxIndexCount; + if ( this._geometryInitialized === false ) { + for ( const attributeName in reference.attributes ) { + const srcAttribute = reference.getAttribute( attributeName ); + const { array, itemSize, normalized } = srcAttribute; + const dstArray = new array.constructor( maxVertexCount * itemSize ); + const dstAttribute = new BufferAttribute( dstArray, itemSize, normalized ); + geometry.setAttribute( attributeName, dstAttribute ); + } + if ( reference.getIndex() !== null ) { + const indexArray = maxVertexCount > 65535 + ? new Uint32Array( maxIndexCount ) + : new Uint16Array( maxIndexCount ); + geometry.setIndex( new BufferAttribute( indexArray, 1 ) ); + } + this._geometryInitialized = true; + } + } + _validateGeometry( geometry ) { + const batchGeometry = this.geometry; + if ( Boolean( geometry.getIndex() ) !== Boolean( batchGeometry.getIndex() ) ) { + throw new Error( 'THREE.BatchedMesh: All geometries must consistently have "index".' ); + } + for ( const attributeName in batchGeometry.attributes ) { + if ( ! geometry.hasAttribute( attributeName ) ) { + throw new Error( `THREE.BatchedMesh: Added geometry missing "${ attributeName }". All geometries must have consistent attributes.` ); + } + const srcAttribute = geometry.getAttribute( attributeName ); + const dstAttribute = batchGeometry.getAttribute( attributeName ); + if ( srcAttribute.itemSize !== dstAttribute.itemSize || srcAttribute.normalized !== dstAttribute.normalized ) { + throw new Error( 'THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.' ); + } + } + } + validateInstanceId( instanceId ) { + const instanceInfo = this._instanceInfo; + if ( instanceId < 0 || instanceId >= instanceInfo.length || instanceInfo[ instanceId ].active === false ) { + throw new Error( `THREE.BatchedMesh: Invalid instanceId ${instanceId}. Instance is either out of range or has been deleted.` ); + } + } + validateGeometryId( geometryId ) { + const geometryInfoList = this._geometryInfo; + if ( geometryId < 0 || geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) { + throw new Error( `THREE.BatchedMesh: Invalid geometryId ${geometryId}. Geometry is either out of range or has been deleted.` ); + } + } + setCustomSort( func ) { + this.customSort = func; + return this; + } + computeBoundingBox() { + if ( this.boundingBox === null ) { + this.boundingBox = new Box3(); + } + const boundingBox = this.boundingBox; + const instanceInfo = this._instanceInfo; + boundingBox.makeEmpty(); + for ( let i = 0, l = instanceInfo.length; i < l; i ++ ) { + if ( instanceInfo[ i ].active === false ) continue; + const geometryId = instanceInfo[ i ].geometryIndex; + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingBoxAt( geometryId, _box$1 ).applyMatrix4( _matrix$1 ); + boundingBox.union( _box$1 ); + } + } + computeBoundingSphere() { + if ( this.boundingSphere === null ) { + this.boundingSphere = new Sphere(); + } + const boundingSphere = this.boundingSphere; + const instanceInfo = this._instanceInfo; + boundingSphere.makeEmpty(); + for ( let i = 0, l = instanceInfo.length; i < l; i ++ ) { + if ( instanceInfo[ i ].active === false ) continue; + const geometryId = instanceInfo[ i ].geometryIndex; + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 ); + boundingSphere.union( _sphere$2 ); + } + } + addInstance( geometryId ) { + const atCapacity = this._instanceInfo.length >= this.maxInstanceCount; + if ( atCapacity && this._availableInstanceIds.length === 0 ) { + throw new Error( 'THREE.BatchedMesh: Maximum item count reached.' ); + } + const instanceInfo = { + visible: true, + active: true, + geometryIndex: geometryId, + }; + let drawId = null; + if ( this._availableInstanceIds.length > 0 ) { + this._availableInstanceIds.sort( ascIdSort ); + drawId = this._availableInstanceIds.shift(); + this._instanceInfo[ drawId ] = instanceInfo; + } else { + drawId = this._instanceInfo.length; + this._instanceInfo.push( instanceInfo ); + } + const matricesTexture = this._matricesTexture; + _matrix$1.identity().toArray( matricesTexture.image.data, drawId * 16 ); + matricesTexture.needsUpdate = true; + const colorsTexture = this._colorsTexture; + if ( colorsTexture ) { + _whiteColor.toArray( colorsTexture.image.data, drawId * 4 ); + colorsTexture.needsUpdate = true; + } + this._visibilityChanged = true; + return drawId; + } + addGeometry( geometry, reservedVertexCount = -1, reservedIndexCount = -1 ) { + this._initializeGeometry( geometry ); + this._validateGeometry( geometry ); + const geometryInfo = { + vertexStart: -1, + vertexCount: -1, + reservedVertexCount: -1, + indexStart: -1, + indexCount: -1, + reservedIndexCount: -1, + start: -1, + count: -1, + boundingBox: null, + boundingSphere: null, + active: true, + }; + const geometryInfoList = this._geometryInfo; + geometryInfo.vertexStart = this._nextVertexStart; + geometryInfo.reservedVertexCount = reservedVertexCount === -1 ? geometry.getAttribute( 'position' ).count : reservedVertexCount; + const index = geometry.getIndex(); + const hasIndex = index !== null; + if ( hasIndex ) { + geometryInfo.indexStart = this._nextIndexStart; + geometryInfo.reservedIndexCount = reservedIndexCount === -1 ? index.count : reservedIndexCount; + } + if ( + geometryInfo.indexStart !== -1 && + geometryInfo.indexStart + geometryInfo.reservedIndexCount > this._maxIndexCount || + geometryInfo.vertexStart + geometryInfo.reservedVertexCount > this._maxVertexCount + ) { + throw new Error( 'THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.' ); + } + let geometryId; + if ( this._availableGeometryIds.length > 0 ) { + this._availableGeometryIds.sort( ascIdSort ); + geometryId = this._availableGeometryIds.shift(); + geometryInfoList[ geometryId ] = geometryInfo; + } else { + geometryId = this._geometryCount; + this._geometryCount ++; + geometryInfoList.push( geometryInfo ); + } + this.setGeometryAt( geometryId, geometry ); + this._nextIndexStart = geometryInfo.indexStart + geometryInfo.reservedIndexCount; + this._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount; + return geometryId; + } + setGeometryAt( geometryId, geometry ) { + if ( geometryId >= this._geometryCount ) { + throw new Error( 'THREE.BatchedMesh: Maximum geometry count reached.' ); + } + this._validateGeometry( geometry ); + const batchGeometry = this.geometry; + const hasIndex = batchGeometry.getIndex() !== null; + const dstIndex = batchGeometry.getIndex(); + const srcIndex = geometry.getIndex(); + const geometryInfo = this._geometryInfo[ geometryId ]; + if ( + hasIndex && + srcIndex.count > geometryInfo.reservedIndexCount || + geometry.attributes.position.count > geometryInfo.reservedVertexCount + ) { + throw new Error( 'THREE.BatchedMesh: Reserved space not large enough for provided geometry.' ); + } + const vertexStart = geometryInfo.vertexStart; + const reservedVertexCount = geometryInfo.reservedVertexCount; + geometryInfo.vertexCount = geometry.getAttribute( 'position' ).count; + for ( const attributeName in batchGeometry.attributes ) { + const srcAttribute = geometry.getAttribute( attributeName ); + const dstAttribute = batchGeometry.getAttribute( attributeName ); + copyAttributeData( srcAttribute, dstAttribute, vertexStart ); + const itemSize = srcAttribute.itemSize; + for ( let i = srcAttribute.count, l = reservedVertexCount; i < l; i ++ ) { + const index = vertexStart + i; + for ( let c = 0; c < itemSize; c ++ ) { + dstAttribute.setComponent( index, c, 0 ); + } + } + dstAttribute.needsUpdate = true; + dstAttribute.addUpdateRange( vertexStart * itemSize, reservedVertexCount * itemSize ); + } + if ( hasIndex ) { + const indexStart = geometryInfo.indexStart; + const reservedIndexCount = geometryInfo.reservedIndexCount; + geometryInfo.indexCount = geometry.getIndex().count; + for ( let i = 0; i < srcIndex.count; i ++ ) { + dstIndex.setX( indexStart + i, vertexStart + srcIndex.getX( i ) ); + } + for ( let i = srcIndex.count, l = reservedIndexCount; i < l; i ++ ) { + dstIndex.setX( indexStart + i, vertexStart ); + } + dstIndex.needsUpdate = true; + dstIndex.addUpdateRange( indexStart, geometryInfo.reservedIndexCount ); + } + geometryInfo.start = hasIndex ? geometryInfo.indexStart : geometryInfo.vertexStart; + geometryInfo.count = hasIndex ? geometryInfo.indexCount : geometryInfo.vertexCount; + geometryInfo.boundingBox = null; + if ( geometry.boundingBox !== null ) { + geometryInfo.boundingBox = geometry.boundingBox.clone(); + } + geometryInfo.boundingSphere = null; + if ( geometry.boundingSphere !== null ) { + geometryInfo.boundingSphere = geometry.boundingSphere.clone(); + } + this._visibilityChanged = true; + return geometryId; + } + deleteGeometry( geometryId ) { + const geometryInfoList = this._geometryInfo; + if ( geometryId >= geometryInfoList.length || geometryInfoList[ geometryId ].active === false ) { + return this; + } + const instanceInfo = this._instanceInfo; + for ( let i = 0, l = instanceInfo.length; i < l; i ++ ) { + if ( instanceInfo[ i ].active && instanceInfo[ i ].geometryIndex === geometryId ) { + this.deleteInstance( i ); + } + } + geometryInfoList[ geometryId ].active = false; + this._availableGeometryIds.push( geometryId ); + this._visibilityChanged = true; + return this; + } + deleteInstance( instanceId ) { + this.validateInstanceId( instanceId ); + this._instanceInfo[ instanceId ].active = false; + this._availableInstanceIds.push( instanceId ); + this._visibilityChanged = true; + return this; + } + optimize() { + let nextVertexStart = 0; + let nextIndexStart = 0; + const geometryInfoList = this._geometryInfo; + const indices = geometryInfoList + .map( ( e, i ) => i ) + .sort( ( a, b ) => { + return geometryInfoList[ a ].vertexStart - geometryInfoList[ b ].vertexStart; + } ); + const geometry = this.geometry; + for ( let i = 0, l = geometryInfoList.length; i < l; i ++ ) { + const index = indices[ i ]; + const geometryInfo = geometryInfoList[ index ]; + if ( geometryInfo.active === false ) { + continue; + } + if ( geometry.index !== null ) { + if ( geometryInfo.indexStart !== nextIndexStart ) { + const { indexStart, vertexStart, reservedIndexCount } = geometryInfo; + const index = geometry.index; + const array = index.array; + const elementDelta = nextVertexStart - vertexStart; + for ( let j = indexStart; j < indexStart + reservedIndexCount; j ++ ) { + array[ j ] = array[ j ] + elementDelta; + } + index.array.copyWithin( nextIndexStart, indexStart, indexStart + reservedIndexCount ); + index.addUpdateRange( nextIndexStart, reservedIndexCount ); + geometryInfo.indexStart = nextIndexStart; + } + nextIndexStart += geometryInfo.reservedIndexCount; + } + if ( geometryInfo.vertexStart !== nextVertexStart ) { + const { vertexStart, reservedVertexCount } = geometryInfo; + const attributes = geometry.attributes; + for ( const key in attributes ) { + const attribute = attributes[ key ]; + const { array, itemSize } = attribute; + array.copyWithin( nextVertexStart * itemSize, vertexStart * itemSize, ( vertexStart + reservedVertexCount ) * itemSize ); + attribute.addUpdateRange( nextVertexStart * itemSize, reservedVertexCount * itemSize ); + } + geometryInfo.vertexStart = nextVertexStart; + } + nextVertexStart += geometryInfo.reservedVertexCount; + geometryInfo.start = geometry.index ? geometryInfo.indexStart : geometryInfo.vertexStart; + this._nextIndexStart = geometry.index ? geometryInfo.indexStart + geometryInfo.reservedIndexCount : 0; + this._nextVertexStart = geometryInfo.vertexStart + geometryInfo.reservedVertexCount; + } + return this; + } + getBoundingBoxAt( geometryId, target ) { + if ( geometryId >= this._geometryCount ) { + return null; + } + const geometry = this.geometry; + const geometryInfo = this._geometryInfo[ geometryId ]; + if ( geometryInfo.boundingBox === null ) { + const box = new Box3(); + const index = geometry.index; + const position = geometry.attributes.position; + for ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) { + let iv = i; + if ( index ) { + iv = index.getX( iv ); + } + box.expandByPoint( _vector$5.fromBufferAttribute( position, iv ) ); + } + geometryInfo.boundingBox = box; + } + target.copy( geometryInfo.boundingBox ); + return target; + } + getBoundingSphereAt( geometryId, target ) { + if ( geometryId >= this._geometryCount ) { + return null; + } + const geometry = this.geometry; + const geometryInfo = this._geometryInfo[ geometryId ]; + if ( geometryInfo.boundingSphere === null ) { + const sphere = new Sphere(); + this.getBoundingBoxAt( geometryId, _box$1 ); + _box$1.getCenter( sphere.center ); + const index = geometry.index; + const position = geometry.attributes.position; + let maxRadiusSq = 0; + for ( let i = geometryInfo.start, l = geometryInfo.start + geometryInfo.count; i < l; i ++ ) { + let iv = i; + if ( index ) { + iv = index.getX( iv ); + } + _vector$5.fromBufferAttribute( position, iv ); + maxRadiusSq = Math.max( maxRadiusSq, sphere.center.distanceToSquared( _vector$5 ) ); + } + sphere.radius = Math.sqrt( maxRadiusSq ); + geometryInfo.boundingSphere = sphere; + } + target.copy( geometryInfo.boundingSphere ); + return target; + } + setMatrixAt( instanceId, matrix ) { + this.validateInstanceId( instanceId ); + const matricesTexture = this._matricesTexture; + const matricesArray = this._matricesTexture.image.data; + matrix.toArray( matricesArray, instanceId * 16 ); + matricesTexture.needsUpdate = true; + return this; + } + getMatrixAt( instanceId, matrix ) { + this.validateInstanceId( instanceId ); + return matrix.fromArray( this._matricesTexture.image.data, instanceId * 16 ); + } + setColorAt( instanceId, color ) { + this.validateInstanceId( instanceId ); + if ( this._colorsTexture === null ) { + this._initColorsTexture(); + } + color.toArray( this._colorsTexture.image.data, instanceId * 4 ); + this._colorsTexture.needsUpdate = true; + return this; + } + getColorAt( instanceId, color ) { + this.validateInstanceId( instanceId ); + return color.fromArray( this._colorsTexture.image.data, instanceId * 4 ); + } + setVisibleAt( instanceId, visible ) { + this.validateInstanceId( instanceId ); + if ( this._instanceInfo[ instanceId ].visible === visible ) { + return this; + } + this._instanceInfo[ instanceId ].visible = visible; + this._visibilityChanged = true; + return this; + } + getVisibleAt( instanceId ) { + this.validateInstanceId( instanceId ); + return this._instanceInfo[ instanceId ].visible; + } + setGeometryIdAt( instanceId, geometryId ) { + this.validateInstanceId( instanceId ); + this.validateGeometryId( geometryId ); + this._instanceInfo[ instanceId ].geometryIndex = geometryId; + return this; + } + getGeometryIdAt( instanceId ) { + this.validateInstanceId( instanceId ); + return this._instanceInfo[ instanceId ].geometryIndex; + } + getGeometryRangeAt( geometryId, target = {} ) { + this.validateGeometryId( geometryId ); + const geometryInfo = this._geometryInfo[ geometryId ]; + target.vertexStart = geometryInfo.vertexStart; + target.vertexCount = geometryInfo.vertexCount; + target.reservedVertexCount = geometryInfo.reservedVertexCount; + target.indexStart = geometryInfo.indexStart; + target.indexCount = geometryInfo.indexCount; + target.reservedIndexCount = geometryInfo.reservedIndexCount; + target.start = geometryInfo.start; + target.count = geometryInfo.count; + return target; + } + setInstanceCount( maxInstanceCount ) { + const availableInstanceIds = this._availableInstanceIds; + const instanceInfo = this._instanceInfo; + availableInstanceIds.sort( ascIdSort ); + while ( availableInstanceIds[ availableInstanceIds.length - 1 ] === instanceInfo.length ) { + instanceInfo.pop(); + availableInstanceIds.pop(); + } + if ( maxInstanceCount < instanceInfo.length ) { + throw new Error( `BatchedMesh: Instance ids outside the range ${ maxInstanceCount } are being used. Cannot shrink instance count.` ); + } + const multiDrawCounts = new Int32Array( maxInstanceCount ); + const multiDrawStarts = new Int32Array( maxInstanceCount ); + copyArrayContents( this._multiDrawCounts, multiDrawCounts ); + copyArrayContents( this._multiDrawStarts, multiDrawStarts ); + this._multiDrawCounts = multiDrawCounts; + this._multiDrawStarts = multiDrawStarts; + this._maxInstanceCount = maxInstanceCount; + const indirectTexture = this._indirectTexture; + const matricesTexture = this._matricesTexture; + const colorsTexture = this._colorsTexture; + indirectTexture.dispose(); + this._initIndirectTexture(); + copyArrayContents( indirectTexture.image.data, this._indirectTexture.image.data ); + matricesTexture.dispose(); + this._initMatricesTexture(); + copyArrayContents( matricesTexture.image.data, this._matricesTexture.image.data ); + if ( colorsTexture ) { + colorsTexture.dispose(); + this._initColorsTexture(); + copyArrayContents( colorsTexture.image.data, this._colorsTexture.image.data ); + } + } + setGeometrySize( maxVertexCount, maxIndexCount ) { + const validRanges = [ ...this._geometryInfo ].filter( info => info.active ); + const requiredVertexLength = Math.max( ...validRanges.map( range => range.vertexStart + range.reservedVertexCount ) ); + if ( requiredVertexLength > maxVertexCount ) { + throw new Error( `BatchedMesh: Geometry vertex values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` ); + } + if ( this.geometry.index ) { + const requiredIndexLength = Math.max( ...validRanges.map( range => range.indexStart + range.reservedIndexCount ) ); + if ( requiredIndexLength > maxIndexCount ) { + throw new Error( `BatchedMesh: Geometry index values are being used outside the range ${ maxIndexCount }. Cannot shrink further.` ); + } + } + const oldGeometry = this.geometry; + oldGeometry.dispose(); + this._maxVertexCount = maxVertexCount; + this._maxIndexCount = maxIndexCount; + if ( this._geometryInitialized ) { + this._geometryInitialized = false; + this.geometry = new BufferGeometry(); + this._initializeGeometry( oldGeometry ); + } + const geometry = this.geometry; + if ( oldGeometry.index ) { + copyArrayContents( oldGeometry.index.array, geometry.index.array ); + } + for ( const key in oldGeometry.attributes ) { + copyArrayContents( oldGeometry.attributes[ key ].array, geometry.attributes[ key ].array ); + } + } + raycast( raycaster, intersects ) { + const instanceInfo = this._instanceInfo; + const geometryInfoList = this._geometryInfo; + const matrixWorld = this.matrixWorld; + const batchGeometry = this.geometry; + _mesh.material = this.material; + _mesh.geometry.index = batchGeometry.index; + _mesh.geometry.attributes = batchGeometry.attributes; + if ( _mesh.geometry.boundingBox === null ) { + _mesh.geometry.boundingBox = new Box3(); + } + if ( _mesh.geometry.boundingSphere === null ) { + _mesh.geometry.boundingSphere = new Sphere(); + } + for ( let i = 0, l = instanceInfo.length; i < l; i ++ ) { + if ( ! instanceInfo[ i ].visible || ! instanceInfo[ i ].active ) { + continue; + } + const geometryId = instanceInfo[ i ].geometryIndex; + const geometryInfo = geometryInfoList[ geometryId ]; + _mesh.geometry.setDrawRange( geometryInfo.start, geometryInfo.count ); + this.getMatrixAt( i, _mesh.matrixWorld ).premultiply( matrixWorld ); + this.getBoundingBoxAt( geometryId, _mesh.geometry.boundingBox ); + this.getBoundingSphereAt( geometryId, _mesh.geometry.boundingSphere ); + _mesh.raycast( raycaster, _batchIntersects ); + for ( let j = 0, l = _batchIntersects.length; j < l; j ++ ) { + const intersect = _batchIntersects[ j ]; + intersect.object = this; + intersect.batchId = i; + intersects.push( intersect ); + } + _batchIntersects.length = 0; + } + _mesh.material = null; + _mesh.geometry.index = null; + _mesh.geometry.attributes = {}; + _mesh.geometry.setDrawRange( 0, Infinity ); + } + copy( source ) { + super.copy( source ); + this.geometry = source.geometry.clone(); + this.perObjectFrustumCulled = source.perObjectFrustumCulled; + this.sortObjects = source.sortObjects; + this.boundingBox = source.boundingBox !== null ? source.boundingBox.clone() : null; + this.boundingSphere = source.boundingSphere !== null ? source.boundingSphere.clone() : null; + this._geometryInfo = source._geometryInfo.map( info => ( { + ...info, + boundingBox: info.boundingBox !== null ? info.boundingBox.clone() : null, + boundingSphere: info.boundingSphere !== null ? info.boundingSphere.clone() : null, + } ) ); + this._instanceInfo = source._instanceInfo.map( info => ( { ...info } ) ); + this._availableInstanceIds = source._availableInstanceIds.slice(); + this._availableGeometryIds = source._availableGeometryIds.slice(); + this._nextIndexStart = source._nextIndexStart; + this._nextVertexStart = source._nextVertexStart; + this._geometryCount = source._geometryCount; + this._maxInstanceCount = source._maxInstanceCount; + this._maxVertexCount = source._maxVertexCount; + this._maxIndexCount = source._maxIndexCount; + this._geometryInitialized = source._geometryInitialized; + this._multiDrawCounts = source._multiDrawCounts.slice(); + this._multiDrawStarts = source._multiDrawStarts.slice(); + this._indirectTexture = source._indirectTexture.clone(); + this._indirectTexture.image.data = this._indirectTexture.image.data.slice(); + this._matricesTexture = source._matricesTexture.clone(); + this._matricesTexture.image.data = this._matricesTexture.image.data.slice(); + if ( this._colorsTexture !== null ) { + this._colorsTexture = source._colorsTexture.clone(); + this._colorsTexture.image.data = this._colorsTexture.image.data.slice(); + } + return this; + } + dispose() { + this.geometry.dispose(); + this._matricesTexture.dispose(); + this._matricesTexture = null; + this._indirectTexture.dispose(); + this._indirectTexture = null; + if ( this._colorsTexture !== null ) { + this._colorsTexture.dispose(); + this._colorsTexture = null; + } + } + onBeforeRender( renderer, scene, camera, geometry, material ) { + if ( ! this._visibilityChanged && ! this.perObjectFrustumCulled && ! this.sortObjects ) { + return; + } + const index = geometry.getIndex(); + const bytesPerElement = index === null ? 1 : index.array.BYTES_PER_ELEMENT; + const instanceInfo = this._instanceInfo; + const multiDrawStarts = this._multiDrawStarts; + const multiDrawCounts = this._multiDrawCounts; + const geometryInfoList = this._geometryInfo; + const perObjectFrustumCulled = this.perObjectFrustumCulled; + const indirectTexture = this._indirectTexture; + const indirectArray = indirectTexture.image.data; + const frustum = camera.isArrayCamera ? _frustumArray : _frustum; + if ( perObjectFrustumCulled && ! camera.isArrayCamera ) { + _matrix$1 + .multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ) + .multiply( this.matrixWorld ); + _frustum.setFromProjectionMatrix( + _matrix$1, + renderer.coordinateSystem + ); + } + let multiDrawCount = 0; + if ( this.sortObjects ) { + _matrix$1.copy( this.matrixWorld ).invert(); + _vector$5.setFromMatrixPosition( camera.matrixWorld ).applyMatrix4( _matrix$1 ); + _forward$1.set( 0, 0, -1 ).transformDirection( camera.matrixWorld ).transformDirection( _matrix$1 ); + for ( let i = 0, l = instanceInfo.length; i < l; i ++ ) { + if ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) { + const geometryId = instanceInfo[ i ].geometryIndex; + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 ); + let culled = false; + if ( perObjectFrustumCulled ) { + culled = ! frustum.intersectsSphere( _sphere$2, camera ); + } + if ( ! culled ) { + const geometryInfo = geometryInfoList[ geometryId ]; + const z = _temp.subVectors( _sphere$2.center, _vector$5 ).dot( _forward$1 ); + _renderList.push( geometryInfo.start, geometryInfo.count, z, i ); + } + } + } + const list = _renderList.list; + const customSort = this.customSort; + if ( customSort === null ) { + list.sort( material.transparent ? sortTransparent : sortOpaque ); + } else { + customSort.call( this, list, camera ); + } + for ( let i = 0, l = list.length; i < l; i ++ ) { + const item = list[ i ]; + multiDrawStarts[ multiDrawCount ] = item.start * bytesPerElement; + multiDrawCounts[ multiDrawCount ] = item.count; + indirectArray[ multiDrawCount ] = item.index; + multiDrawCount ++; + } + _renderList.reset(); + } else { + for ( let i = 0, l = instanceInfo.length; i < l; i ++ ) { + if ( instanceInfo[ i ].visible && instanceInfo[ i ].active ) { + const geometryId = instanceInfo[ i ].geometryIndex; + let culled = false; + if ( perObjectFrustumCulled ) { + this.getMatrixAt( i, _matrix$1 ); + this.getBoundingSphereAt( geometryId, _sphere$2 ).applyMatrix4( _matrix$1 ); + culled = ! frustum.intersectsSphere( _sphere$2, camera ); + } + if ( ! culled ) { + const geometryInfo = geometryInfoList[ geometryId ]; + multiDrawStarts[ multiDrawCount ] = geometryInfo.start * bytesPerElement; + multiDrawCounts[ multiDrawCount ] = geometryInfo.count; + indirectArray[ multiDrawCount ] = i; + multiDrawCount ++; + } + } + } + } + indirectTexture.needsUpdate = true; + this._multiDrawCount = multiDrawCount; + this._visibilityChanged = false; + } + onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial ) { + this.onBeforeRender( renderer, null, shadowCamera, geometry, depthMaterial ); + } + } + class LineBasicMaterial extends Material { + constructor( parameters ) { + super(); + this.isLineBasicMaterial = true; + this.type = 'LineBasicMaterial'; + this.color = new Color( 0xffffff ); + this.map = null; + this.linewidth = 1; + this.linecap = 'round'; + this.linejoin = 'round'; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.map = source.map; + this.linewidth = source.linewidth; + this.linecap = source.linecap; + this.linejoin = source.linejoin; + this.fog = source.fog; + return this; + } + } + const _vStart = new Vector3(); + const _vEnd = new Vector3(); + const _inverseMatrix$1 = new Matrix4(); + const _ray$1 = new Ray(); + const _sphere$1 = new Sphere(); + const _intersectPointOnRay = new Vector3(); + const _intersectPointOnSegment = new Vector3(); + class Line extends Object3D { + constructor( geometry = new BufferGeometry(), material = new LineBasicMaterial() ) { + super(); + this.isLine = true; + this.type = 'Line'; + this.geometry = geometry; + this.material = material; + this.morphTargetDictionary = undefined; + this.morphTargetInfluences = undefined; + this.updateMorphTargets(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.material = Array.isArray( source.material ) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + computeLineDistances() { + const geometry = this.geometry; + if ( geometry.index === null ) { + const positionAttribute = geometry.attributes.position; + const lineDistances = [ 0 ]; + for ( let i = 1, l = positionAttribute.count; i < l; i ++ ) { + _vStart.fromBufferAttribute( positionAttribute, i - 1 ); + _vEnd.fromBufferAttribute( positionAttribute, i ); + lineDistances[ i ] = lineDistances[ i - 1 ]; + lineDistances[ i ] += _vStart.distanceTo( _vEnd ); + } + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + } else { + console.warn( 'THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + } + return this; + } + raycast( raycaster, intersects ) { + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Line.threshold; + const drawRange = geometry.drawRange; + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + _sphere$1.copy( geometry.boundingSphere ); + _sphere$1.applyMatrix4( matrixWorld ); + _sphere$1.radius += threshold; + if ( raycaster.ray.intersectsSphere( _sphere$1 ) === false ) return; + _inverseMatrix$1.copy( matrixWorld ).invert(); + _ray$1.copy( raycaster.ray ).applyMatrix4( _inverseMatrix$1 ); + const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + const localThresholdSq = localThreshold * localThreshold; + const step = this.isLineSegments ? 2 : 1; + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + if ( index !== null ) { + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + for ( let i = start, l = end - 1; i < l; i += step ) { + const a = index.getX( i ); + const b = index.getX( i + 1 ); + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, i ); + if ( intersect ) { + intersects.push( intersect ); + } + } + if ( this.isLineLoop ) { + const a = index.getX( end - 1 ); + const b = index.getX( start ); + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, a, b, end - 1 ); + if ( intersect ) { + intersects.push( intersect ); + } + } + } else { + const start = Math.max( 0, drawRange.start ); + const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + for ( let i = start, l = end - 1; i < l; i += step ) { + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, i, i + 1, i ); + if ( intersect ) { + intersects.push( intersect ); + } + } + if ( this.isLineLoop ) { + const intersect = checkIntersection( this, raycaster, _ray$1, localThresholdSq, end - 1, start, end - 1 ); + if ( intersect ) { + intersects.push( intersect ); + } + } + } + } + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + if ( keys.length > 0 ) { + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + if ( morphAttribute !== undefined ) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + const name = morphAttribute[ m ].name || String( m ); + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + } + } + } + } + } + function checkIntersection( object, raycaster, ray, thresholdSq, a, b, i ) { + const positionAttribute = object.geometry.attributes.position; + _vStart.fromBufferAttribute( positionAttribute, a ); + _vEnd.fromBufferAttribute( positionAttribute, b ); + const distSq = ray.distanceSqToSegment( _vStart, _vEnd, _intersectPointOnRay, _intersectPointOnSegment ); + if ( distSq > thresholdSq ) return; + _intersectPointOnRay.applyMatrix4( object.matrixWorld ); + const distance = raycaster.ray.origin.distanceTo( _intersectPointOnRay ); + if ( distance < raycaster.near || distance > raycaster.far ) return; + return { + distance: distance, + point: _intersectPointOnSegment.clone().applyMatrix4( object.matrixWorld ), + index: i, + face: null, + faceIndex: null, + barycoord: null, + object: object + }; + } + const _start = new Vector3(); + const _end = new Vector3(); + class LineSegments extends Line { + constructor( geometry, material ) { + super( geometry, material ); + this.isLineSegments = true; + this.type = 'LineSegments'; + } + computeLineDistances() { + const geometry = this.geometry; + if ( geometry.index === null ) { + const positionAttribute = geometry.attributes.position; + const lineDistances = []; + for ( let i = 0, l = positionAttribute.count; i < l; i += 2 ) { + _start.fromBufferAttribute( positionAttribute, i ); + _end.fromBufferAttribute( positionAttribute, i + 1 ); + lineDistances[ i ] = ( i === 0 ) ? 0 : lineDistances[ i - 1 ]; + lineDistances[ i + 1 ] = lineDistances[ i ] + _start.distanceTo( _end ); + } + geometry.setAttribute( 'lineDistance', new Float32BufferAttribute( lineDistances, 1 ) ); + } else { + console.warn( 'THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.' ); + } + return this; + } + } + class LineLoop extends Line { + constructor( geometry, material ) { + super( geometry, material ); + this.isLineLoop = true; + this.type = 'LineLoop'; + } + } + class PointsMaterial extends Material { + constructor( parameters ) { + super(); + this.isPointsMaterial = true; + this.type = 'PointsMaterial'; + this.color = new Color( 0xffffff ); + this.map = null; + this.alphaMap = null; + this.size = 1; + this.sizeAttenuation = true; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.size = source.size; + this.sizeAttenuation = source.sizeAttenuation; + this.fog = source.fog; + return this; + } + } + const _inverseMatrix = new Matrix4(); + const _ray = new Ray(); + const _sphere = new Sphere(); + const _position$2 = new Vector3(); + class Points extends Object3D { + constructor( geometry = new BufferGeometry(), material = new PointsMaterial() ) { + super(); + this.isPoints = true; + this.type = 'Points'; + this.geometry = geometry; + this.material = material; + this.morphTargetDictionary = undefined; + this.morphTargetInfluences = undefined; + this.updateMorphTargets(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.material = Array.isArray( source.material ) ? source.material.slice() : source.material; + this.geometry = source.geometry; + return this; + } + raycast( raycaster, intersects ) { + const geometry = this.geometry; + const matrixWorld = this.matrixWorld; + const threshold = raycaster.params.Points.threshold; + const drawRange = geometry.drawRange; + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + _sphere.copy( geometry.boundingSphere ); + _sphere.applyMatrix4( matrixWorld ); + _sphere.radius += threshold; + if ( raycaster.ray.intersectsSphere( _sphere ) === false ) return; + _inverseMatrix.copy( matrixWorld ).invert(); + _ray.copy( raycaster.ray ).applyMatrix4( _inverseMatrix ); + const localThreshold = threshold / ( ( this.scale.x + this.scale.y + this.scale.z ) / 3 ); + const localThresholdSq = localThreshold * localThreshold; + const index = geometry.index; + const attributes = geometry.attributes; + const positionAttribute = attributes.position; + if ( index !== null ) { + const start = Math.max( 0, drawRange.start ); + const end = Math.min( index.count, ( drawRange.start + drawRange.count ) ); + for ( let i = start, il = end; i < il; i ++ ) { + const a = index.getX( i ); + _position$2.fromBufferAttribute( positionAttribute, a ); + testPoint( _position$2, a, localThresholdSq, matrixWorld, raycaster, intersects, this ); + } + } else { + const start = Math.max( 0, drawRange.start ); + const end = Math.min( positionAttribute.count, ( drawRange.start + drawRange.count ) ); + for ( let i = start, l = end; i < l; i ++ ) { + _position$2.fromBufferAttribute( positionAttribute, i ); + testPoint( _position$2, i, localThresholdSq, matrixWorld, raycaster, intersects, this ); + } + } + } + updateMorphTargets() { + const geometry = this.geometry; + const morphAttributes = geometry.morphAttributes; + const keys = Object.keys( morphAttributes ); + if ( keys.length > 0 ) { + const morphAttribute = morphAttributes[ keys[ 0 ] ]; + if ( morphAttribute !== undefined ) { + this.morphTargetInfluences = []; + this.morphTargetDictionary = {}; + for ( let m = 0, ml = morphAttribute.length; m < ml; m ++ ) { + const name = morphAttribute[ m ].name || String( m ); + this.morphTargetInfluences.push( 0 ); + this.morphTargetDictionary[ name ] = m; + } + } + } + } + } + function testPoint( point, index, localThresholdSq, matrixWorld, raycaster, intersects, object ) { + const rayPointDistanceSq = _ray.distanceSqToPoint( point ); + if ( rayPointDistanceSq < localThresholdSq ) { + const intersectPoint = new Vector3(); + _ray.closestPointToPoint( point, intersectPoint ); + intersectPoint.applyMatrix4( matrixWorld ); + const distance = raycaster.ray.origin.distanceTo( intersectPoint ); + if ( distance < raycaster.near || distance > raycaster.far ) return; + intersects.push( { + distance: distance, + distanceToRay: Math.sqrt( rayPointDistanceSq ), + point: intersectPoint, + index: index, + face: null, + faceIndex: null, + barycoord: null, + object: object + } ); + } + } + class VideoTexture extends Texture { + constructor( video, mapping, wrapS, wrapT, magFilter = LinearFilter, minFilter = LinearFilter, format, type, anisotropy ) { + super( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + this.isVideoTexture = true; + this.generateMipmaps = false; + const scope = this; + function updateVideo() { + scope.needsUpdate = true; + video.requestVideoFrameCallback( updateVideo ); + } + if ( 'requestVideoFrameCallback' in video ) { + video.requestVideoFrameCallback( updateVideo ); + } + } + clone() { + return new this.constructor( this.image ).copy( this ); + } + update() { + const video = this.image; + const hasVideoFrameCallback = 'requestVideoFrameCallback' in video; + if ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) { + this.needsUpdate = true; + } + } + } + class VideoFrameTexture extends VideoTexture { + constructor( mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + super( {}, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + this.isVideoFrameTexture = true; + } + update() {} + clone() { + return new this.constructor().copy( this ); + } + setFrame( frame ) { + this.image = frame; + this.needsUpdate = true; + } + } + class FramebufferTexture extends Texture { + constructor( width, height ) { + super( { width, height } ); + this.isFramebufferTexture = true; + this.magFilter = NearestFilter; + this.minFilter = NearestFilter; + this.generateMipmaps = false; + this.needsUpdate = true; + } + } + class CompressedTexture extends Texture { + constructor( mipmaps, width, height, format, type, mapping, wrapS, wrapT, magFilter, minFilter, anisotropy, colorSpace ) { + super( null, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy, colorSpace ); + this.isCompressedTexture = true; + this.image = { width: width, height: height }; + this.mipmaps = mipmaps; + this.flipY = false; + this.generateMipmaps = false; + } + } + class CompressedArrayTexture extends CompressedTexture { + constructor( mipmaps, width, height, depth, format, type ) { + super( mipmaps, width, height, format, type ); + this.isCompressedArrayTexture = true; + this.image.depth = depth; + this.wrapR = ClampToEdgeWrapping; + this.layerUpdates = new Set(); + } + addLayerUpdate( layerIndex ) { + this.layerUpdates.add( layerIndex ); + } + clearLayerUpdates() { + this.layerUpdates.clear(); + } + } + class CompressedCubeTexture extends CompressedTexture { + constructor( images, format, type ) { + super( undefined, images[ 0 ].width, images[ 0 ].height, format, type, CubeReflectionMapping ); + this.isCompressedCubeTexture = true; + this.isCubeTexture = true; + this.image = images; + } + } + class CanvasTexture extends Texture { + constructor( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) { + super( canvas, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + this.isCanvasTexture = true; + this.needsUpdate = true; + } + } + class DepthTexture extends Texture { + constructor( width, height, type = UnsignedIntType, mapping, wrapS, wrapT, magFilter = NearestFilter, minFilter = NearestFilter, anisotropy, format = DepthFormat, depth = 1 ) { + if ( format !== DepthFormat && format !== DepthStencilFormat ) { + throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' ); + } + const image = { width: width, height: height, depth: depth }; + super( image, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ); + this.isDepthTexture = true; + this.flipY = false; + this.generateMipmaps = false; + this.compareFunction = null; + } + copy( source ) { + super.copy( source ); + this.source = new Source( Object.assign( {}, source.image ) ); + this.compareFunction = source.compareFunction; + return this; + } + toJSON( meta ) { + const data = super.toJSON( meta ); + if ( this.compareFunction !== null ) data.compareFunction = this.compareFunction; + return data; + } + } + class CapsuleGeometry extends BufferGeometry { + constructor( radius = 1, height = 1, capSegments = 4, radialSegments = 8, heightSegments = 1 ) { + super(); + this.type = 'CapsuleGeometry'; + this.parameters = { + radius: radius, + height: height, + capSegments: capSegments, + radialSegments: radialSegments, + heightSegments: heightSegments, + }; + height = Math.max( 0, height ); + capSegments = Math.max( 1, Math.floor( capSegments ) ); + radialSegments = Math.max( 3, Math.floor( radialSegments ) ); + heightSegments = Math.max( 1, Math.floor( heightSegments ) ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const halfHeight = height / 2; + const capArcLength = ( Math.PI / 2 ) * radius; + const cylinderPartLength = height; + const totalArcLength = 2 * capArcLength + cylinderPartLength; + const numVerticalSegments = capSegments * 2 + heightSegments; + const verticesPerRow = radialSegments + 1; + const normal = new Vector3(); + const vertex = new Vector3(); + for ( let iy = 0; iy <= numVerticalSegments; iy ++ ) { + let currentArcLength = 0; + let profileY = 0; + let profileRadius = 0; + let normalYComponent = 0; + if ( iy <= capSegments ) { + const segmentProgress = iy / capSegments; + const angle = ( segmentProgress * Math.PI ) / 2; + profileY = - halfHeight - radius * Math.cos( angle ); + profileRadius = radius * Math.sin( angle ); + normalYComponent = - radius * Math.cos( angle ); + currentArcLength = segmentProgress * capArcLength; + } else if ( iy <= capSegments + heightSegments ) { + const segmentProgress = ( iy - capSegments ) / heightSegments; + profileY = - halfHeight + segmentProgress * height; + profileRadius = radius; + normalYComponent = 0; + currentArcLength = capArcLength + segmentProgress * cylinderPartLength; + } else { + const segmentProgress = + ( iy - capSegments - heightSegments ) / capSegments; + const angle = ( segmentProgress * Math.PI ) / 2; + profileY = halfHeight + radius * Math.sin( angle ); + profileRadius = radius * Math.cos( angle ); + normalYComponent = radius * Math.sin( angle ); + currentArcLength = + capArcLength + cylinderPartLength + segmentProgress * capArcLength; + } + const v = Math.max( 0, Math.min( 1, currentArcLength / totalArcLength ) ); + let uOffset = 0; + if ( iy === 0 ) { + uOffset = 0.5 / radialSegments; + } else if ( iy === numVerticalSegments ) { + uOffset = -0.5 / radialSegments; + } + for ( let ix = 0; ix <= radialSegments; ix ++ ) { + const u = ix / radialSegments; + const theta = u * Math.PI * 2; + const sinTheta = Math.sin( theta ); + const cosTheta = Math.cos( theta ); + vertex.x = - profileRadius * cosTheta; + vertex.y = profileY; + vertex.z = profileRadius * sinTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + normal.set( + - profileRadius * cosTheta, + normalYComponent, + profileRadius * sinTheta + ); + normal.normalize(); + normals.push( normal.x, normal.y, normal.z ); + uvs.push( u + uOffset, v ); + } + if ( iy > 0 ) { + const prevIndexRow = ( iy - 1 ) * verticesPerRow; + for ( let ix = 0; ix < radialSegments; ix ++ ) { + const i1 = prevIndexRow + ix; + const i2 = prevIndexRow + ix + 1; + const i3 = iy * verticesPerRow + ix; + const i4 = iy * verticesPerRow + ix + 1; + indices.push( i1, i2, i3 ); + indices.push( i2, i4, i3 ); + } + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new CapsuleGeometry( data.radius, data.height, data.capSegments, data.radialSegments, data.heightSegments ); + } + } + class CircleGeometry extends BufferGeometry { + constructor( radius = 1, segments = 32, thetaStart = 0, thetaLength = Math.PI * 2 ) { + super(); + this.type = 'CircleGeometry'; + this.parameters = { + radius: radius, + segments: segments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + segments = Math.max( 3, segments ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const vertex = new Vector3(); + const uv = new Vector2(); + vertices.push( 0, 0, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( 0.5, 0.5 ); + for ( let s = 0, i = 3; s <= segments; s ++, i += 3 ) { + const segment = thetaStart + s / segments * thetaLength; + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + vertices.push( vertex.x, vertex.y, vertex.z ); + normals.push( 0, 0, 1 ); + uv.x = ( vertices[ i ] / radius + 1 ) / 2; + uv.y = ( vertices[ i + 1 ] / radius + 1 ) / 2; + uvs.push( uv.x, uv.y ); + } + for ( let i = 1; i <= segments; i ++ ) { + indices.push( i, i + 1, 0 ); + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new CircleGeometry( data.radius, data.segments, data.thetaStart, data.thetaLength ); + } + } + class CylinderGeometry extends BufferGeometry { + constructor( radiusTop = 1, radiusBottom = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) { + super(); + this.type = 'CylinderGeometry'; + this.parameters = { + radiusTop: radiusTop, + radiusBottom: radiusBottom, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + const scope = this; + radialSegments = Math.floor( radialSegments ); + heightSegments = Math.floor( heightSegments ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let index = 0; + const indexArray = []; + const halfHeight = height / 2; + let groupStart = 0; + generateTorso(); + if ( openEnded === false ) { + if ( radiusTop > 0 ) generateCap( true ); + if ( radiusBottom > 0 ) generateCap( false ); + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + function generateTorso() { + const normal = new Vector3(); + const vertex = new Vector3(); + let groupCount = 0; + const slope = ( radiusBottom - radiusTop ) / height; + for ( let y = 0; y <= heightSegments; y ++ ) { + const indexRow = []; + const v = y / heightSegments; + const radius = v * ( radiusBottom - radiusTop ) + radiusTop; + for ( let x = 0; x <= radialSegments; x ++ ) { + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + const sinTheta = Math.sin( theta ); + const cosTheta = Math.cos( theta ); + vertex.x = radius * sinTheta; + vertex.y = - v * height + halfHeight; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + normal.set( sinTheta, slope, cosTheta ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + uvs.push( u, 1 - v ); + indexRow.push( index ++ ); + } + indexArray.push( indexRow ); + } + for ( let x = 0; x < radialSegments; x ++ ) { + for ( let y = 0; y < heightSegments; y ++ ) { + const a = indexArray[ y ][ x ]; + const b = indexArray[ y + 1 ][ x ]; + const c = indexArray[ y + 1 ][ x + 1 ]; + const d = indexArray[ y ][ x + 1 ]; + if ( radiusTop > 0 || y !== 0 ) { + indices.push( a, b, d ); + groupCount += 3; + } + if ( radiusBottom > 0 || y !== heightSegments - 1 ) { + indices.push( b, c, d ); + groupCount += 3; + } + } + } + scope.addGroup( groupStart, groupCount, 0 ); + groupStart += groupCount; + } + function generateCap( top ) { + const centerIndexStart = index; + const uv = new Vector2(); + const vertex = new Vector3(); + let groupCount = 0; + const radius = ( top === true ) ? radiusTop : radiusBottom; + const sign = ( top === true ) ? 1 : -1; + for ( let x = 1; x <= radialSegments; x ++ ) { + vertices.push( 0, halfHeight * sign, 0 ); + normals.push( 0, sign, 0 ); + uvs.push( 0.5, 0.5 ); + index ++; + } + const centerIndexEnd = index; + for ( let x = 0; x <= radialSegments; x ++ ) { + const u = x / radialSegments; + const theta = u * thetaLength + thetaStart; + const cosTheta = Math.cos( theta ); + const sinTheta = Math.sin( theta ); + vertex.x = radius * sinTheta; + vertex.y = halfHeight * sign; + vertex.z = radius * cosTheta; + vertices.push( vertex.x, vertex.y, vertex.z ); + normals.push( 0, sign, 0 ); + uv.x = ( cosTheta * 0.5 ) + 0.5; + uv.y = ( sinTheta * 0.5 * sign ) + 0.5; + uvs.push( uv.x, uv.y ); + index ++; + } + for ( let x = 0; x < radialSegments; x ++ ) { + const c = centerIndexStart + x; + const i = centerIndexEnd + x; + if ( top === true ) { + indices.push( i, i + 1, c ); + } else { + indices.push( i + 1, i, c ); + } + groupCount += 3; + } + scope.addGroup( groupStart, groupCount, top === true ? 1 : 2 ); + groupStart += groupCount; + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new CylinderGeometry( data.radiusTop, data.radiusBottom, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength ); + } + } + class ConeGeometry extends CylinderGeometry { + constructor( radius = 1, height = 1, radialSegments = 32, heightSegments = 1, openEnded = false, thetaStart = 0, thetaLength = Math.PI * 2 ) { + super( 0, radius, height, radialSegments, heightSegments, openEnded, thetaStart, thetaLength ); + this.type = 'ConeGeometry'; + this.parameters = { + radius: radius, + height: height, + radialSegments: radialSegments, + heightSegments: heightSegments, + openEnded: openEnded, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + } + static fromJSON( data ) { + return new ConeGeometry( data.radius, data.height, data.radialSegments, data.heightSegments, data.openEnded, data.thetaStart, data.thetaLength ); + } + } + class PolyhedronGeometry extends BufferGeometry { + constructor( vertices = [], indices = [], radius = 1, detail = 0 ) { + super(); + this.type = 'PolyhedronGeometry'; + this.parameters = { + vertices: vertices, + indices: indices, + radius: radius, + detail: detail + }; + const vertexBuffer = []; + const uvBuffer = []; + subdivide( detail ); + applyRadius( radius ); + generateUVs(); + this.setAttribute( 'position', new Float32BufferAttribute( vertexBuffer, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( vertexBuffer.slice(), 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvBuffer, 2 ) ); + if ( detail === 0 ) { + this.computeVertexNormals(); + } else { + this.normalizeNormals(); + } + function subdivide( detail ) { + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + for ( let i = 0; i < indices.length; i += 3 ) { + getVertexByIndex( indices[ i + 0 ], a ); + getVertexByIndex( indices[ i + 1 ], b ); + getVertexByIndex( indices[ i + 2 ], c ); + subdivideFace( a, b, c, detail ); + } + } + function subdivideFace( a, b, c, detail ) { + const cols = detail + 1; + const v = []; + for ( let i = 0; i <= cols; i ++ ) { + v[ i ] = []; + const aj = a.clone().lerp( c, i / cols ); + const bj = b.clone().lerp( c, i / cols ); + const rows = cols - i; + for ( let j = 0; j <= rows; j ++ ) { + if ( j === 0 && i === cols ) { + v[ i ][ j ] = aj; + } else { + v[ i ][ j ] = aj.clone().lerp( bj, j / rows ); + } + } + } + for ( let i = 0; i < cols; i ++ ) { + for ( let j = 0; j < 2 * ( cols - i ) - 1; j ++ ) { + const k = Math.floor( j / 2 ); + if ( j % 2 === 0 ) { + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + pushVertex( v[ i ][ k ] ); + } else { + pushVertex( v[ i ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k + 1 ] ); + pushVertex( v[ i + 1 ][ k ] ); + } + } + } + } + function applyRadius( radius ) { + const vertex = new Vector3(); + for ( let i = 0; i < vertexBuffer.length; i += 3 ) { + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + vertex.normalize().multiplyScalar( radius ); + vertexBuffer[ i + 0 ] = vertex.x; + vertexBuffer[ i + 1 ] = vertex.y; + vertexBuffer[ i + 2 ] = vertex.z; + } + } + function generateUVs() { + const vertex = new Vector3(); + for ( let i = 0; i < vertexBuffer.length; i += 3 ) { + vertex.x = vertexBuffer[ i + 0 ]; + vertex.y = vertexBuffer[ i + 1 ]; + vertex.z = vertexBuffer[ i + 2 ]; + const u = azimuth( vertex ) / 2 / Math.PI + 0.5; + const v = inclination( vertex ) / Math.PI + 0.5; + uvBuffer.push( u, 1 - v ); + } + correctUVs(); + correctSeam(); + } + function correctSeam() { + for ( let i = 0; i < uvBuffer.length; i += 6 ) { + const x0 = uvBuffer[ i + 0 ]; + const x1 = uvBuffer[ i + 2 ]; + const x2 = uvBuffer[ i + 4 ]; + const max = Math.max( x0, x1, x2 ); + const min = Math.min( x0, x1, x2 ); + if ( max > 0.9 && min < 0.1 ) { + if ( x0 < 0.2 ) uvBuffer[ i + 0 ] += 1; + if ( x1 < 0.2 ) uvBuffer[ i + 2 ] += 1; + if ( x2 < 0.2 ) uvBuffer[ i + 4 ] += 1; + } + } + } + function pushVertex( vertex ) { + vertexBuffer.push( vertex.x, vertex.y, vertex.z ); + } + function getVertexByIndex( index, vertex ) { + const stride = index * 3; + vertex.x = vertices[ stride + 0 ]; + vertex.y = vertices[ stride + 1 ]; + vertex.z = vertices[ stride + 2 ]; + } + function correctUVs() { + const a = new Vector3(); + const b = new Vector3(); + const c = new Vector3(); + const centroid = new Vector3(); + const uvA = new Vector2(); + const uvB = new Vector2(); + const uvC = new Vector2(); + for ( let i = 0, j = 0; i < vertexBuffer.length; i += 9, j += 6 ) { + a.set( vertexBuffer[ i + 0 ], vertexBuffer[ i + 1 ], vertexBuffer[ i + 2 ] ); + b.set( vertexBuffer[ i + 3 ], vertexBuffer[ i + 4 ], vertexBuffer[ i + 5 ] ); + c.set( vertexBuffer[ i + 6 ], vertexBuffer[ i + 7 ], vertexBuffer[ i + 8 ] ); + uvA.set( uvBuffer[ j + 0 ], uvBuffer[ j + 1 ] ); + uvB.set( uvBuffer[ j + 2 ], uvBuffer[ j + 3 ] ); + uvC.set( uvBuffer[ j + 4 ], uvBuffer[ j + 5 ] ); + centroid.copy( a ).add( b ).add( c ).divideScalar( 3 ); + const azi = azimuth( centroid ); + correctUV( uvA, j + 0, a, azi ); + correctUV( uvB, j + 2, b, azi ); + correctUV( uvC, j + 4, c, azi ); + } + } + function correctUV( uv, stride, vector, azimuth ) { + if ( ( azimuth < 0 ) && ( uv.x === 1 ) ) { + uvBuffer[ stride ] = uv.x - 1; + } + if ( ( vector.x === 0 ) && ( vector.z === 0 ) ) { + uvBuffer[ stride ] = azimuth / 2 / Math.PI + 0.5; + } + } + function azimuth( vector ) { + return Math.atan2( vector.z, - vector.x ); + } + function inclination( vector ) { + return Math.atan2( - vector.y, Math.sqrt( ( vector.x * vector.x ) + ( vector.z * vector.z ) ) ); + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new PolyhedronGeometry( data.vertices, data.indices, data.radius, data.details ); + } + } + class DodecahedronGeometry extends PolyhedronGeometry { + constructor( radius = 1, detail = 0 ) { + const t = ( 1 + Math.sqrt( 5 ) ) / 2; + const r = 1 / t; + const vertices = [ + -1, -1, -1, -1, -1, 1, + -1, 1, -1, -1, 1, 1, + 1, -1, -1, 1, -1, 1, + 1, 1, -1, 1, 1, 1, + 0, - r, - t, 0, - r, t, + 0, r, - t, 0, r, t, + - r, - t, 0, - r, t, 0, + r, - t, 0, r, t, 0, + - t, 0, - r, t, 0, - r, + - t, 0, r, t, 0, r + ]; + const indices = [ + 3, 11, 7, 3, 7, 15, 3, 15, 13, + 7, 19, 17, 7, 17, 6, 7, 6, 15, + 17, 4, 8, 17, 8, 10, 17, 10, 6, + 8, 0, 16, 8, 16, 2, 8, 2, 10, + 0, 12, 1, 0, 1, 18, 0, 18, 16, + 6, 10, 2, 6, 2, 13, 6, 13, 15, + 2, 16, 18, 2, 18, 3, 2, 3, 13, + 18, 1, 9, 18, 9, 11, 18, 11, 3, + 4, 14, 12, 4, 12, 0, 4, 0, 8, + 11, 9, 5, 11, 5, 19, 11, 19, 7, + 19, 5, 14, 19, 14, 4, 19, 4, 17, + 1, 12, 14, 1, 14, 5, 1, 5, 9 + ]; + super( vertices, indices, radius, detail ); + this.type = 'DodecahedronGeometry'; + this.parameters = { + radius: radius, + detail: detail + }; + } + static fromJSON( data ) { + return new DodecahedronGeometry( data.radius, data.detail ); + } + } + const _v0$3 = new Vector3(); + const _v1$1 = new Vector3(); + const _normal = new Vector3(); + const _triangle = new Triangle(); + class EdgesGeometry extends BufferGeometry { + constructor( geometry = null, thresholdAngle = 1 ) { + super(); + this.type = 'EdgesGeometry'; + this.parameters = { + geometry: geometry, + thresholdAngle: thresholdAngle + }; + if ( geometry !== null ) { + const precisionPoints = 4; + const precision = Math.pow( 10, precisionPoints ); + const thresholdDot = Math.cos( DEG2RAD * thresholdAngle ); + const indexAttr = geometry.getIndex(); + const positionAttr = geometry.getAttribute( 'position' ); + const indexCount = indexAttr ? indexAttr.count : positionAttr.count; + const indexArr = [ 0, 0, 0 ]; + const vertKeys = [ 'a', 'b', 'c' ]; + const hashes = new Array( 3 ); + const edgeData = {}; + const vertices = []; + for ( let i = 0; i < indexCount; i += 3 ) { + if ( indexAttr ) { + indexArr[ 0 ] = indexAttr.getX( i ); + indexArr[ 1 ] = indexAttr.getX( i + 1 ); + indexArr[ 2 ] = indexAttr.getX( i + 2 ); + } else { + indexArr[ 0 ] = i; + indexArr[ 1 ] = i + 1; + indexArr[ 2 ] = i + 2; + } + const { a, b, c } = _triangle; + a.fromBufferAttribute( positionAttr, indexArr[ 0 ] ); + b.fromBufferAttribute( positionAttr, indexArr[ 1 ] ); + c.fromBufferAttribute( positionAttr, indexArr[ 2 ] ); + _triangle.getNormal( _normal ); + hashes[ 0 ] = `${ Math.round( a.x * precision ) },${ Math.round( a.y * precision ) },${ Math.round( a.z * precision ) }`; + hashes[ 1 ] = `${ Math.round( b.x * precision ) },${ Math.round( b.y * precision ) },${ Math.round( b.z * precision ) }`; + hashes[ 2 ] = `${ Math.round( c.x * precision ) },${ Math.round( c.y * precision ) },${ Math.round( c.z * precision ) }`; + if ( hashes[ 0 ] === hashes[ 1 ] || hashes[ 1 ] === hashes[ 2 ] || hashes[ 2 ] === hashes[ 0 ] ) { + continue; + } + for ( let j = 0; j < 3; j ++ ) { + const jNext = ( j + 1 ) % 3; + const vecHash0 = hashes[ j ]; + const vecHash1 = hashes[ jNext ]; + const v0 = _triangle[ vertKeys[ j ] ]; + const v1 = _triangle[ vertKeys[ jNext ] ]; + const hash = `${ vecHash0 }_${ vecHash1 }`; + const reverseHash = `${ vecHash1 }_${ vecHash0 }`; + if ( reverseHash in edgeData && edgeData[ reverseHash ] ) { + if ( _normal.dot( edgeData[ reverseHash ].normal ) <= thresholdDot ) { + vertices.push( v0.x, v0.y, v0.z ); + vertices.push( v1.x, v1.y, v1.z ); + } + edgeData[ reverseHash ] = null; + } else if ( ! ( hash in edgeData ) ) { + edgeData[ hash ] = { + index0: indexArr[ j ], + index1: indexArr[ jNext ], + normal: _normal.clone(), + }; + } + } + } + for ( const key in edgeData ) { + if ( edgeData[ key ] ) { + const { index0, index1 } = edgeData[ key ]; + _v0$3.fromBufferAttribute( positionAttr, index0 ); + _v1$1.fromBufferAttribute( positionAttr, index1 ); + vertices.push( _v0$3.x, _v0$3.y, _v0$3.z ); + vertices.push( _v1$1.x, _v1$1.y, _v1$1.z ); + } + } + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + } + class Curve { + constructor() { + this.type = 'Curve'; + this.arcLengthDivisions = 200; + this.needsUpdate = false; + this.cacheArcLengths = null; + } + getPoint( ) { + console.warn( 'THREE.Curve: .getPoint() not implemented.' ); + } + getPointAt( u, optionalTarget ) { + const t = this.getUtoTmapping( u ); + return this.getPoint( t, optionalTarget ); + } + getPoints( divisions = 5 ) { + const points = []; + for ( let d = 0; d <= divisions; d ++ ) { + points.push( this.getPoint( d / divisions ) ); + } + return points; + } + getSpacedPoints( divisions = 5 ) { + const points = []; + for ( let d = 0; d <= divisions; d ++ ) { + points.push( this.getPointAt( d / divisions ) ); + } + return points; + } + getLength() { + const lengths = this.getLengths(); + return lengths[ lengths.length - 1 ]; + } + getLengths( divisions = this.arcLengthDivisions ) { + if ( this.cacheArcLengths && + ( this.cacheArcLengths.length === divisions + 1 ) && + ! this.needsUpdate ) { + return this.cacheArcLengths; + } + this.needsUpdate = false; + const cache = []; + let current, last = this.getPoint( 0 ); + let sum = 0; + cache.push( 0 ); + for ( let p = 1; p <= divisions; p ++ ) { + current = this.getPoint( p / divisions ); + sum += current.distanceTo( last ); + cache.push( sum ); + last = current; + } + this.cacheArcLengths = cache; + return cache; + } + updateArcLengths() { + this.needsUpdate = true; + this.getLengths(); + } + getUtoTmapping( u, distance = null ) { + const arcLengths = this.getLengths(); + let i = 0; + const il = arcLengths.length; + let targetArcLength; + if ( distance ) { + targetArcLength = distance; + } else { + targetArcLength = u * arcLengths[ il - 1 ]; + } + let low = 0, high = il - 1, comparison; + while ( low <= high ) { + i = Math.floor( low + ( high - low ) / 2 ); + comparison = arcLengths[ i ] - targetArcLength; + if ( comparison < 0 ) { + low = i + 1; + } else if ( comparison > 0 ) { + high = i - 1; + } else { + high = i; + break; + } + } + i = high; + if ( arcLengths[ i ] === targetArcLength ) { + return i / ( il - 1 ); + } + const lengthBefore = arcLengths[ i ]; + const lengthAfter = arcLengths[ i + 1 ]; + const segmentLength = lengthAfter - lengthBefore; + const segmentFraction = ( targetArcLength - lengthBefore ) / segmentLength; + const t = ( i + segmentFraction ) / ( il - 1 ); + return t; + } + getTangent( t, optionalTarget ) { + const delta = 0.0001; + let t1 = t - delta; + let t2 = t + delta; + if ( t1 < 0 ) t1 = 0; + if ( t2 > 1 ) t2 = 1; + const pt1 = this.getPoint( t1 ); + const pt2 = this.getPoint( t2 ); + const tangent = optionalTarget || ( ( pt1.isVector2 ) ? new Vector2() : new Vector3() ); + tangent.copy( pt2 ).sub( pt1 ).normalize(); + return tangent; + } + getTangentAt( u, optionalTarget ) { + const t = this.getUtoTmapping( u ); + return this.getTangent( t, optionalTarget ); + } + computeFrenetFrames( segments, closed = false ) { + const normal = new Vector3(); + const tangents = []; + const normals = []; + const binormals = []; + const vec = new Vector3(); + const mat = new Matrix4(); + for ( let i = 0; i <= segments; i ++ ) { + const u = i / segments; + tangents[ i ] = this.getTangentAt( u, new Vector3() ); + } + normals[ 0 ] = new Vector3(); + binormals[ 0 ] = new Vector3(); + let min = Number.MAX_VALUE; + const tx = Math.abs( tangents[ 0 ].x ); + const ty = Math.abs( tangents[ 0 ].y ); + const tz = Math.abs( tangents[ 0 ].z ); + if ( tx <= min ) { + min = tx; + normal.set( 1, 0, 0 ); + } + if ( ty <= min ) { + min = ty; + normal.set( 0, 1, 0 ); + } + if ( tz <= min ) { + normal.set( 0, 0, 1 ); + } + vec.crossVectors( tangents[ 0 ], normal ).normalize(); + normals[ 0 ].crossVectors( tangents[ 0 ], vec ); + binormals[ 0 ].crossVectors( tangents[ 0 ], normals[ 0 ] ); + for ( let i = 1; i <= segments; i ++ ) { + normals[ i ] = normals[ i - 1 ].clone(); + binormals[ i ] = binormals[ i - 1 ].clone(); + vec.crossVectors( tangents[ i - 1 ], tangents[ i ] ); + if ( vec.length() > Number.EPSILON ) { + vec.normalize(); + const theta = Math.acos( clamp( tangents[ i - 1 ].dot( tangents[ i ] ), -1, 1 ) ); + normals[ i ].applyMatrix4( mat.makeRotationAxis( vec, theta ) ); + } + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + } + if ( closed === true ) { + let theta = Math.acos( clamp( normals[ 0 ].dot( normals[ segments ] ), -1, 1 ) ); + theta /= segments; + if ( tangents[ 0 ].dot( vec.crossVectors( normals[ 0 ], normals[ segments ] ) ) > 0 ) { + theta = - theta; + } + for ( let i = 1; i <= segments; i ++ ) { + normals[ i ].applyMatrix4( mat.makeRotationAxis( tangents[ i ], theta * i ) ); + binormals[ i ].crossVectors( tangents[ i ], normals[ i ] ); + } + } + return { + tangents: tangents, + normals: normals, + binormals: binormals + }; + } + clone() { + return new this.constructor().copy( this ); + } + copy( source ) { + this.arcLengthDivisions = source.arcLengthDivisions; + return this; + } + toJSON() { + const data = { + metadata: { + version: 4.7, + type: 'Curve', + generator: 'Curve.toJSON' + } + }; + data.arcLengthDivisions = this.arcLengthDivisions; + data.type = this.type; + return data; + } + fromJSON( json ) { + this.arcLengthDivisions = json.arcLengthDivisions; + return this; + } + } + class EllipseCurve extends Curve { + constructor( aX = 0, aY = 0, xRadius = 1, yRadius = 1, aStartAngle = 0, aEndAngle = Math.PI * 2, aClockwise = false, aRotation = 0 ) { + super(); + this.isEllipseCurve = true; + this.type = 'EllipseCurve'; + this.aX = aX; + this.aY = aY; + this.xRadius = xRadius; + this.yRadius = yRadius; + this.aStartAngle = aStartAngle; + this.aEndAngle = aEndAngle; + this.aClockwise = aClockwise; + this.aRotation = aRotation; + } + getPoint( t, optionalTarget = new Vector2() ) { + const point = optionalTarget; + const twoPi = Math.PI * 2; + let deltaAngle = this.aEndAngle - this.aStartAngle; + const samePoints = Math.abs( deltaAngle ) < Number.EPSILON; + while ( deltaAngle < 0 ) deltaAngle += twoPi; + while ( deltaAngle > twoPi ) deltaAngle -= twoPi; + if ( deltaAngle < Number.EPSILON ) { + if ( samePoints ) { + deltaAngle = 0; + } else { + deltaAngle = twoPi; + } + } + if ( this.aClockwise === true && ! samePoints ) { + if ( deltaAngle === twoPi ) { + deltaAngle = - twoPi; + } else { + deltaAngle = deltaAngle - twoPi; + } + } + const angle = this.aStartAngle + t * deltaAngle; + let x = this.aX + this.xRadius * Math.cos( angle ); + let y = this.aY + this.yRadius * Math.sin( angle ); + if ( this.aRotation !== 0 ) { + const cos = Math.cos( this.aRotation ); + const sin = Math.sin( this.aRotation ); + const tx = x - this.aX; + const ty = y - this.aY; + x = tx * cos - ty * sin + this.aX; + y = tx * sin + ty * cos + this.aY; + } + return point.set( x, y ); + } + copy( source ) { + super.copy( source ); + this.aX = source.aX; + this.aY = source.aY; + this.xRadius = source.xRadius; + this.yRadius = source.yRadius; + this.aStartAngle = source.aStartAngle; + this.aEndAngle = source.aEndAngle; + this.aClockwise = source.aClockwise; + this.aRotation = source.aRotation; + return this; + } + toJSON() { + const data = super.toJSON(); + data.aX = this.aX; + data.aY = this.aY; + data.xRadius = this.xRadius; + data.yRadius = this.yRadius; + data.aStartAngle = this.aStartAngle; + data.aEndAngle = this.aEndAngle; + data.aClockwise = this.aClockwise; + data.aRotation = this.aRotation; + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.aX = json.aX; + this.aY = json.aY; + this.xRadius = json.xRadius; + this.yRadius = json.yRadius; + this.aStartAngle = json.aStartAngle; + this.aEndAngle = json.aEndAngle; + this.aClockwise = json.aClockwise; + this.aRotation = json.aRotation; + return this; + } + } + class ArcCurve extends EllipseCurve { + constructor( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + super( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + this.isArcCurve = true; + this.type = 'ArcCurve'; + } + } + function CubicPoly() { + let c0 = 0, c1 = 0, c2 = 0, c3 = 0; + function init( x0, x1, t0, t1 ) { + c0 = x0; + c1 = t0; + c2 = -3 * x0 + 3 * x1 - 2 * t0 - t1; + c3 = 2 * x0 - 2 * x1 + t0 + t1; + } + return { + initCatmullRom: function ( x0, x1, x2, x3, tension ) { + init( x1, x2, tension * ( x2 - x0 ), tension * ( x3 - x1 ) ); + }, + initNonuniformCatmullRom: function ( x0, x1, x2, x3, dt0, dt1, dt2 ) { + let t1 = ( x1 - x0 ) / dt0 - ( x2 - x0 ) / ( dt0 + dt1 ) + ( x2 - x1 ) / dt1; + let t2 = ( x2 - x1 ) / dt1 - ( x3 - x1 ) / ( dt1 + dt2 ) + ( x3 - x2 ) / dt2; + t1 *= dt1; + t2 *= dt1; + init( x1, x2, t1, t2 ); + }, + calc: function ( t ) { + const t2 = t * t; + const t3 = t2 * t; + return c0 + c1 * t + c2 * t2 + c3 * t3; + } + }; + } + const tmp = new Vector3(); + const px = new CubicPoly(); + const py = new CubicPoly(); + const pz = new CubicPoly(); + class CatmullRomCurve3 extends Curve { + constructor( points = [], closed = false, curveType = 'centripetal', tension = 0.5 ) { + super(); + this.isCatmullRomCurve3 = true; + this.type = 'CatmullRomCurve3'; + this.points = points; + this.closed = closed; + this.curveType = curveType; + this.tension = tension; + } + getPoint( t, optionalTarget = new Vector3() ) { + const point = optionalTarget; + const points = this.points; + const l = points.length; + const p = ( l - ( this.closed ? 0 : 1 ) ) * t; + let intPoint = Math.floor( p ); + let weight = p - intPoint; + if ( this.closed ) { + intPoint += intPoint > 0 ? 0 : ( Math.floor( Math.abs( intPoint ) / l ) + 1 ) * l; + } else if ( weight === 0 && intPoint === l - 1 ) { + intPoint = l - 2; + weight = 1; + } + let p0, p3; + if ( this.closed || intPoint > 0 ) { + p0 = points[ ( intPoint - 1 ) % l ]; + } else { + tmp.subVectors( points[ 0 ], points[ 1 ] ).add( points[ 0 ] ); + p0 = tmp; + } + const p1 = points[ intPoint % l ]; + const p2 = points[ ( intPoint + 1 ) % l ]; + if ( this.closed || intPoint + 2 < l ) { + p3 = points[ ( intPoint + 2 ) % l ]; + } else { + tmp.subVectors( points[ l - 1 ], points[ l - 2 ] ).add( points[ l - 1 ] ); + p3 = tmp; + } + if ( this.curveType === 'centripetal' || this.curveType === 'chordal' ) { + const pow = this.curveType === 'chordal' ? 0.5 : 0.25; + let dt0 = Math.pow( p0.distanceToSquared( p1 ), pow ); + let dt1 = Math.pow( p1.distanceToSquared( p2 ), pow ); + let dt2 = Math.pow( p2.distanceToSquared( p3 ), pow ); + if ( dt1 < 1e-4 ) dt1 = 1.0; + if ( dt0 < 1e-4 ) dt0 = dt1; + if ( dt2 < 1e-4 ) dt2 = dt1; + px.initNonuniformCatmullRom( p0.x, p1.x, p2.x, p3.x, dt0, dt1, dt2 ); + py.initNonuniformCatmullRom( p0.y, p1.y, p2.y, p3.y, dt0, dt1, dt2 ); + pz.initNonuniformCatmullRom( p0.z, p1.z, p2.z, p3.z, dt0, dt1, dt2 ); + } else if ( this.curveType === 'catmullrom' ) { + px.initCatmullRom( p0.x, p1.x, p2.x, p3.x, this.tension ); + py.initCatmullRom( p0.y, p1.y, p2.y, p3.y, this.tension ); + pz.initCatmullRom( p0.z, p1.z, p2.z, p3.z, this.tension ); + } + point.set( + px.calc( weight ), + py.calc( weight ), + pz.calc( weight ) + ); + return point; + } + copy( source ) { + super.copy( source ); + this.points = []; + for ( let i = 0, l = source.points.length; i < l; i ++ ) { + const point = source.points[ i ]; + this.points.push( point.clone() ); + } + this.closed = source.closed; + this.curveType = source.curveType; + this.tension = source.tension; + return this; + } + toJSON() { + const data = super.toJSON(); + data.points = []; + for ( let i = 0, l = this.points.length; i < l; i ++ ) { + const point = this.points[ i ]; + data.points.push( point.toArray() ); + } + data.closed = this.closed; + data.curveType = this.curveType; + data.tension = this.tension; + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.points = []; + for ( let i = 0, l = json.points.length; i < l; i ++ ) { + const point = json.points[ i ]; + this.points.push( new Vector3().fromArray( point ) ); + } + this.closed = json.closed; + this.curveType = json.curveType; + this.tension = json.tension; + return this; + } + } + function CatmullRom( t, p0, p1, p2, p3 ) { + const v0 = ( p2 - p0 ) * 0.5; + const v1 = ( p3 - p1 ) * 0.5; + const t2 = t * t; + const t3 = t * t2; + return ( 2 * p1 - 2 * p2 + v0 + v1 ) * t3 + ( -3 * p1 + 3 * p2 - 2 * v0 - v1 ) * t2 + v0 * t + p1; + } + function QuadraticBezierP0( t, p ) { + const k = 1 - t; + return k * k * p; + } + function QuadraticBezierP1( t, p ) { + return 2 * ( 1 - t ) * t * p; + } + function QuadraticBezierP2( t, p ) { + return t * t * p; + } + function QuadraticBezier( t, p0, p1, p2 ) { + return QuadraticBezierP0( t, p0 ) + QuadraticBezierP1( t, p1 ) + + QuadraticBezierP2( t, p2 ); + } + function CubicBezierP0( t, p ) { + const k = 1 - t; + return k * k * k * p; + } + function CubicBezierP1( t, p ) { + const k = 1 - t; + return 3 * k * k * t * p; + } + function CubicBezierP2( t, p ) { + return 3 * ( 1 - t ) * t * t * p; + } + function CubicBezierP3( t, p ) { + return t * t * t * p; + } + function CubicBezier( t, p0, p1, p2, p3 ) { + return CubicBezierP0( t, p0 ) + CubicBezierP1( t, p1 ) + CubicBezierP2( t, p2 ) + + CubicBezierP3( t, p3 ); + } + class CubicBezierCurve extends Curve { + constructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2(), v3 = new Vector2() ) { + super(); + this.isCubicBezierCurve = true; + this.type = 'CubicBezierCurve'; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + } + getPoint( t, optionalTarget = new Vector2() ) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ) + ); + return point; + } + copy( source ) { + super.copy( source ); + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + return this; + } + } + class CubicBezierCurve3 extends Curve { + constructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3(), v3 = new Vector3() ) { + super(); + this.isCubicBezierCurve3 = true; + this.type = 'CubicBezierCurve3'; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + this.v3 = v3; + } + getPoint( t, optionalTarget = new Vector3() ) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2, v3 = this.v3; + point.set( + CubicBezier( t, v0.x, v1.x, v2.x, v3.x ), + CubicBezier( t, v0.y, v1.y, v2.y, v3.y ), + CubicBezier( t, v0.z, v1.z, v2.z, v3.z ) + ); + return point; + } + copy( source ) { + super.copy( source ); + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + this.v3.copy( source.v3 ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + data.v3 = this.v3.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + this.v3.fromArray( json.v3 ); + return this; + } + } + class LineCurve extends Curve { + constructor( v1 = new Vector2(), v2 = new Vector2() ) { + super(); + this.isLineCurve = true; + this.type = 'LineCurve'; + this.v1 = v1; + this.v2 = v2; + } + getPoint( t, optionalTarget = new Vector2() ) { + const point = optionalTarget; + if ( t === 1 ) { + point.copy( this.v2 ); + } else { + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + } + return point; + } + getPointAt( u, optionalTarget ) { + return this.getPoint( u, optionalTarget ); + } + getTangent( t, optionalTarget = new Vector2() ) { + return optionalTarget.subVectors( this.v2, this.v1 ).normalize(); + } + getTangentAt( u, optionalTarget ) { + return this.getTangent( u, optionalTarget ); + } + copy( source ) { + super.copy( source ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + return this; + } + } + class LineCurve3 extends Curve { + constructor( v1 = new Vector3(), v2 = new Vector3() ) { + super(); + this.isLineCurve3 = true; + this.type = 'LineCurve3'; + this.v1 = v1; + this.v2 = v2; + } + getPoint( t, optionalTarget = new Vector3() ) { + const point = optionalTarget; + if ( t === 1 ) { + point.copy( this.v2 ); + } else { + point.copy( this.v2 ).sub( this.v1 ); + point.multiplyScalar( t ).add( this.v1 ); + } + return point; + } + getPointAt( u, optionalTarget ) { + return this.getPoint( u, optionalTarget ); + } + getTangent( t, optionalTarget = new Vector3() ) { + return optionalTarget.subVectors( this.v2, this.v1 ).normalize(); + } + getTangentAt( u, optionalTarget ) { + return this.getTangent( u, optionalTarget ); + } + copy( source ) { + super.copy( source ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + return this; + } + } + class QuadraticBezierCurve extends Curve { + constructor( v0 = new Vector2(), v1 = new Vector2(), v2 = new Vector2() ) { + super(); + this.isQuadraticBezierCurve = true; + this.type = 'QuadraticBezierCurve'; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + } + getPoint( t, optionalTarget = new Vector2() ) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ) + ); + return point; + } + copy( source ) { + super.copy( source ); + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + return this; + } + } + class QuadraticBezierCurve3 extends Curve { + constructor( v0 = new Vector3(), v1 = new Vector3(), v2 = new Vector3() ) { + super(); + this.isQuadraticBezierCurve3 = true; + this.type = 'QuadraticBezierCurve3'; + this.v0 = v0; + this.v1 = v1; + this.v2 = v2; + } + getPoint( t, optionalTarget = new Vector3() ) { + const point = optionalTarget; + const v0 = this.v0, v1 = this.v1, v2 = this.v2; + point.set( + QuadraticBezier( t, v0.x, v1.x, v2.x ), + QuadraticBezier( t, v0.y, v1.y, v2.y ), + QuadraticBezier( t, v0.z, v1.z, v2.z ) + ); + return point; + } + copy( source ) { + super.copy( source ); + this.v0.copy( source.v0 ); + this.v1.copy( source.v1 ); + this.v2.copy( source.v2 ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.v0 = this.v0.toArray(); + data.v1 = this.v1.toArray(); + data.v2 = this.v2.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.v0.fromArray( json.v0 ); + this.v1.fromArray( json.v1 ); + this.v2.fromArray( json.v2 ); + return this; + } + } + class SplineCurve extends Curve { + constructor( points = [] ) { + super(); + this.isSplineCurve = true; + this.type = 'SplineCurve'; + this.points = points; + } + getPoint( t, optionalTarget = new Vector2() ) { + const point = optionalTarget; + const points = this.points; + const p = ( points.length - 1 ) * t; + const intPoint = Math.floor( p ); + const weight = p - intPoint; + const p0 = points[ intPoint === 0 ? intPoint : intPoint - 1 ]; + const p1 = points[ intPoint ]; + const p2 = points[ intPoint > points.length - 2 ? points.length - 1 : intPoint + 1 ]; + const p3 = points[ intPoint > points.length - 3 ? points.length - 1 : intPoint + 2 ]; + point.set( + CatmullRom( weight, p0.x, p1.x, p2.x, p3.x ), + CatmullRom( weight, p0.y, p1.y, p2.y, p3.y ) + ); + return point; + } + copy( source ) { + super.copy( source ); + this.points = []; + for ( let i = 0, l = source.points.length; i < l; i ++ ) { + const point = source.points[ i ]; + this.points.push( point.clone() ); + } + return this; + } + toJSON() { + const data = super.toJSON(); + data.points = []; + for ( let i = 0, l = this.points.length; i < l; i ++ ) { + const point = this.points[ i ]; + data.points.push( point.toArray() ); + } + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.points = []; + for ( let i = 0, l = json.points.length; i < l; i ++ ) { + const point = json.points[ i ]; + this.points.push( new Vector2().fromArray( point ) ); + } + return this; + } + } + var Curves = Object.freeze({ + __proto__: null, + ArcCurve: ArcCurve, + CatmullRomCurve3: CatmullRomCurve3, + CubicBezierCurve: CubicBezierCurve, + CubicBezierCurve3: CubicBezierCurve3, + EllipseCurve: EllipseCurve, + LineCurve: LineCurve, + LineCurve3: LineCurve3, + QuadraticBezierCurve: QuadraticBezierCurve, + QuadraticBezierCurve3: QuadraticBezierCurve3, + SplineCurve: SplineCurve + }); + class CurvePath extends Curve { + constructor() { + super(); + this.type = 'CurvePath'; + this.curves = []; + this.autoClose = false; + } + add( curve ) { + this.curves.push( curve ); + } + closePath() { + const startPoint = this.curves[ 0 ].getPoint( 0 ); + const endPoint = this.curves[ this.curves.length - 1 ].getPoint( 1 ); + if ( ! startPoint.equals( endPoint ) ) { + const lineType = ( startPoint.isVector2 === true ) ? 'LineCurve' : 'LineCurve3'; + this.curves.push( new Curves[ lineType ]( endPoint, startPoint ) ); + } + return this; + } + getPoint( t, optionalTarget ) { + const d = t * this.getLength(); + const curveLengths = this.getCurveLengths(); + let i = 0; + while ( i < curveLengths.length ) { + if ( curveLengths[ i ] >= d ) { + const diff = curveLengths[ i ] - d; + const curve = this.curves[ i ]; + const segmentLength = curve.getLength(); + const u = segmentLength === 0 ? 0 : 1 - diff / segmentLength; + return curve.getPointAt( u, optionalTarget ); + } + i ++; + } + return null; + } + getLength() { + const lens = this.getCurveLengths(); + return lens[ lens.length - 1 ]; + } + updateArcLengths() { + this.needsUpdate = true; + this.cacheLengths = null; + this.getCurveLengths(); + } + getCurveLengths() { + if ( this.cacheLengths && this.cacheLengths.length === this.curves.length ) { + return this.cacheLengths; + } + const lengths = []; + let sums = 0; + for ( let i = 0, l = this.curves.length; i < l; i ++ ) { + sums += this.curves[ i ].getLength(); + lengths.push( sums ); + } + this.cacheLengths = lengths; + return lengths; + } + getSpacedPoints( divisions = 40 ) { + const points = []; + for ( let i = 0; i <= divisions; i ++ ) { + points.push( this.getPoint( i / divisions ) ); + } + if ( this.autoClose ) { + points.push( points[ 0 ] ); + } + return points; + } + getPoints( divisions = 12 ) { + const points = []; + let last; + for ( let i = 0, curves = this.curves; i < curves.length; i ++ ) { + const curve = curves[ i ]; + const resolution = curve.isEllipseCurve ? divisions * 2 + : ( curve.isLineCurve || curve.isLineCurve3 ) ? 1 + : curve.isSplineCurve ? divisions * curve.points.length + : divisions; + const pts = curve.getPoints( resolution ); + for ( let j = 0; j < pts.length; j ++ ) { + const point = pts[ j ]; + if ( last && last.equals( point ) ) continue; + points.push( point ); + last = point; + } + } + if ( this.autoClose && points.length > 1 && ! points[ points.length - 1 ].equals( points[ 0 ] ) ) { + points.push( points[ 0 ] ); + } + return points; + } + copy( source ) { + super.copy( source ); + this.curves = []; + for ( let i = 0, l = source.curves.length; i < l; i ++ ) { + const curve = source.curves[ i ]; + this.curves.push( curve.clone() ); + } + this.autoClose = source.autoClose; + return this; + } + toJSON() { + const data = super.toJSON(); + data.autoClose = this.autoClose; + data.curves = []; + for ( let i = 0, l = this.curves.length; i < l; i ++ ) { + const curve = this.curves[ i ]; + data.curves.push( curve.toJSON() ); + } + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.autoClose = json.autoClose; + this.curves = []; + for ( let i = 0, l = json.curves.length; i < l; i ++ ) { + const curve = json.curves[ i ]; + this.curves.push( new Curves[ curve.type ]().fromJSON( curve ) ); + } + return this; + } + } + class Path extends CurvePath { + constructor( points ) { + super(); + this.type = 'Path'; + this.currentPoint = new Vector2(); + if ( points ) { + this.setFromPoints( points ); + } + } + setFromPoints( points ) { + this.moveTo( points[ 0 ].x, points[ 0 ].y ); + for ( let i = 1, l = points.length; i < l; i ++ ) { + this.lineTo( points[ i ].x, points[ i ].y ); + } + return this; + } + moveTo( x, y ) { + this.currentPoint.set( x, y ); + return this; + } + lineTo( x, y ) { + const curve = new LineCurve( this.currentPoint.clone(), new Vector2( x, y ) ); + this.curves.push( curve ); + this.currentPoint.set( x, y ); + return this; + } + quadraticCurveTo( aCPx, aCPy, aX, aY ) { + const curve = new QuadraticBezierCurve( + this.currentPoint.clone(), + new Vector2( aCPx, aCPy ), + new Vector2( aX, aY ) + ); + this.curves.push( curve ); + this.currentPoint.set( aX, aY ); + return this; + } + bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + const curve = new CubicBezierCurve( + this.currentPoint.clone(), + new Vector2( aCP1x, aCP1y ), + new Vector2( aCP2x, aCP2y ), + new Vector2( aX, aY ) + ); + this.curves.push( curve ); + this.currentPoint.set( aX, aY ); + return this; + } + splineThru( pts ) { + const npts = [ this.currentPoint.clone() ].concat( pts ); + const curve = new SplineCurve( npts ); + this.curves.push( curve ); + this.currentPoint.copy( pts[ pts.length - 1 ] ); + return this; + } + arc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + this.absarc( aX + x0, aY + y0, aRadius, + aStartAngle, aEndAngle, aClockwise ); + return this; + } + absarc( aX, aY, aRadius, aStartAngle, aEndAngle, aClockwise ) { + this.absellipse( aX, aY, aRadius, aRadius, aStartAngle, aEndAngle, aClockwise ); + return this; + } + ellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + const x0 = this.currentPoint.x; + const y0 = this.currentPoint.y; + this.absellipse( aX + x0, aY + y0, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + return this; + } + absellipse( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ) { + const curve = new EllipseCurve( aX, aY, xRadius, yRadius, aStartAngle, aEndAngle, aClockwise, aRotation ); + if ( this.curves.length > 0 ) { + const firstPoint = curve.getPoint( 0 ); + if ( ! firstPoint.equals( this.currentPoint ) ) { + this.lineTo( firstPoint.x, firstPoint.y ); + } + } + this.curves.push( curve ); + const lastPoint = curve.getPoint( 1 ); + this.currentPoint.copy( lastPoint ); + return this; + } + copy( source ) { + super.copy( source ); + this.currentPoint.copy( source.currentPoint ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.currentPoint = this.currentPoint.toArray(); + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.currentPoint.fromArray( json.currentPoint ); + return this; + } + } + class Shape extends Path { + constructor( points ) { + super( points ); + this.uuid = generateUUID(); + this.type = 'Shape'; + this.holes = []; + } + getPointsHoles( divisions ) { + const holesPts = []; + for ( let i = 0, l = this.holes.length; i < l; i ++ ) { + holesPts[ i ] = this.holes[ i ].getPoints( divisions ); + } + return holesPts; + } + extractPoints( divisions ) { + return { + shape: this.getPoints( divisions ), + holes: this.getPointsHoles( divisions ) + }; + } + copy( source ) { + super.copy( source ); + this.holes = []; + for ( let i = 0, l = source.holes.length; i < l; i ++ ) { + const hole = source.holes[ i ]; + this.holes.push( hole.clone() ); + } + return this; + } + toJSON() { + const data = super.toJSON(); + data.uuid = this.uuid; + data.holes = []; + for ( let i = 0, l = this.holes.length; i < l; i ++ ) { + const hole = this.holes[ i ]; + data.holes.push( hole.toJSON() ); + } + return data; + } + fromJSON( json ) { + super.fromJSON( json ); + this.uuid = json.uuid; + this.holes = []; + for ( let i = 0, l = json.holes.length; i < l; i ++ ) { + const hole = json.holes[ i ]; + this.holes.push( new Path().fromJSON( hole ) ); + } + return this; + } + } + function earcut(data, holeIndices, dim = 2) { + const hasHoles = holeIndices && holeIndices.length; + const outerLen = hasHoles ? holeIndices[0] * dim : data.length; + let outerNode = linkedList(data, 0, outerLen, dim, true); + const triangles = []; + if (!outerNode || outerNode.next === outerNode.prev) return triangles; + let minX, minY, invSize; + if (hasHoles) outerNode = eliminateHoles(data, holeIndices, outerNode, dim); + if (data.length > 80 * dim) { + minX = Infinity; + minY = Infinity; + let maxX = -Infinity; + let maxY = -Infinity; + for (let i = dim; i < outerLen; i += dim) { + const x = data[i]; + const y = data[i + 1]; + if (x < minX) minX = x; + if (y < minY) minY = y; + if (x > maxX) maxX = x; + if (y > maxY) maxY = y; + } + invSize = Math.max(maxX - minX, maxY - minY); + invSize = invSize !== 0 ? 32767 / invSize : 0; + } + earcutLinked(outerNode, triangles, dim, minX, minY, invSize, 0); + return triangles; + } + function linkedList(data, start, end, dim, clockwise) { + let last; + if (clockwise === (signedArea(data, start, end, dim) > 0)) { + for (let i = start; i < end; i += dim) last = insertNode(i / dim | 0, data[i], data[i + 1], last); + } else { + for (let i = end - dim; i >= start; i -= dim) last = insertNode(i / dim | 0, data[i], data[i + 1], last); + } + if (last && equals(last, last.next)) { + removeNode(last); + last = last.next; + } + return last; + } + function filterPoints(start, end) { + if (!start) return start; + if (!end) end = start; + let p = start, + again; + do { + again = false; + if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) { + removeNode(p); + p = end = p.prev; + if (p === p.next) break; + again = true; + } else { + p = p.next; + } + } while (again || p !== end); + return end; + } + function earcutLinked(ear, triangles, dim, minX, minY, invSize, pass) { + if (!ear) return; + if (!pass && invSize) indexCurve(ear, minX, minY, invSize); + let stop = ear; + while (ear.prev !== ear.next) { + const prev = ear.prev; + const next = ear.next; + if (invSize ? isEarHashed(ear, minX, minY, invSize) : isEar(ear)) { + triangles.push(prev.i, ear.i, next.i); + removeNode(ear); + ear = next.next; + stop = next.next; + continue; + } + ear = next; + if (ear === stop) { + if (!pass) { + earcutLinked(filterPoints(ear), triangles, dim, minX, minY, invSize, 1); + } else if (pass === 1) { + ear = cureLocalIntersections(filterPoints(ear), triangles); + earcutLinked(ear, triangles, dim, minX, minY, invSize, 2); + } else if (pass === 2) { + splitEarcut(ear, triangles, dim, minX, minY, invSize); + } + break; + } + } + } + function isEar(ear) { + const a = ear.prev, + b = ear, + c = ear.next; + if (area(a, b, c) >= 0) return false; + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + const x0 = Math.min(ax, bx, cx), + y0 = Math.min(ay, by, cy), + x1 = Math.max(ax, bx, cx), + y1 = Math.max(ay, by, cy); + let p = c.next; + while (p !== a) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && + pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && + area(p.prev, p, p.next) >= 0) return false; + p = p.next; + } + return true; + } + function isEarHashed(ear, minX, minY, invSize) { + const a = ear.prev, + b = ear, + c = ear.next; + if (area(a, b, c) >= 0) return false; + const ax = a.x, bx = b.x, cx = c.x, ay = a.y, by = b.y, cy = c.y; + const x0 = Math.min(ax, bx, cx), + y0 = Math.min(ay, by, cy), + x1 = Math.max(ax, bx, cx), + y1 = Math.max(ay, by, cy); + const minZ = zOrder(x0, y0, minX, minY, invSize), + maxZ = zOrder(x1, y1, minX, minY, invSize); + let p = ear.prevZ, + n = ear.nextZ; + while (p && p.z >= minZ && n && n.z <= maxZ) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && + pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false; + p = p.prevZ; + if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && + pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false; + n = n.nextZ; + } + while (p && p.z >= minZ) { + if (p.x >= x0 && p.x <= x1 && p.y >= y0 && p.y <= y1 && p !== a && p !== c && + pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false; + p = p.prevZ; + } + while (n && n.z <= maxZ) { + if (n.x >= x0 && n.x <= x1 && n.y >= y0 && n.y <= y1 && n !== a && n !== c && + pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, n.x, n.y) && area(n.prev, n, n.next) >= 0) return false; + n = n.nextZ; + } + return true; + } + function cureLocalIntersections(start, triangles) { + let p = start; + do { + const a = p.prev, + b = p.next.next; + if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) { + triangles.push(a.i, p.i, b.i); + removeNode(p); + removeNode(p.next); + p = start = b; + } + p = p.next; + } while (p !== start); + return filterPoints(p); + } + function splitEarcut(start, triangles, dim, minX, minY, invSize) { + let a = start; + do { + let b = a.next.next; + while (b !== a.prev) { + if (a.i !== b.i && isValidDiagonal(a, b)) { + let c = splitPolygon(a, b); + a = filterPoints(a, a.next); + c = filterPoints(c, c.next); + earcutLinked(a, triangles, dim, minX, minY, invSize, 0); + earcutLinked(c, triangles, dim, minX, minY, invSize, 0); + return; + } + b = b.next; + } + a = a.next; + } while (a !== start); + } + function eliminateHoles(data, holeIndices, outerNode, dim) { + const queue = []; + for (let i = 0, len = holeIndices.length; i < len; i++) { + const start = holeIndices[i] * dim; + const end = i < len - 1 ? holeIndices[i + 1] * dim : data.length; + const list = linkedList(data, start, end, dim, false); + if (list === list.next) list.steiner = true; + queue.push(getLeftmost(list)); + } + queue.sort(compareXYSlope); + for (let i = 0; i < queue.length; i++) { + outerNode = eliminateHole(queue[i], outerNode); + } + return outerNode; + } + function compareXYSlope(a, b) { + let result = a.x - b.x; + if (result === 0) { + result = a.y - b.y; + if (result === 0) { + const aSlope = (a.next.y - a.y) / (a.next.x - a.x); + const bSlope = (b.next.y - b.y) / (b.next.x - b.x); + result = aSlope - bSlope; + } + } + return result; + } + function eliminateHole(hole, outerNode) { + const bridge = findHoleBridge(hole, outerNode); + if (!bridge) { + return outerNode; + } + const bridgeReverse = splitPolygon(bridge, hole); + filterPoints(bridgeReverse, bridgeReverse.next); + return filterPoints(bridge, bridge.next); + } + function findHoleBridge(hole, outerNode) { + let p = outerNode; + const hx = hole.x; + const hy = hole.y; + let qx = -Infinity; + let m; + if (equals(hole, p)) return p; + do { + if (equals(hole, p.next)) return p.next; + else if (hy <= p.y && hy >= p.next.y && p.next.y !== p.y) { + const x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y); + if (x <= hx && x > qx) { + qx = x; + m = p.x < p.next.x ? p : p.next; + if (x === hx) return m; + } + } + p = p.next; + } while (p !== outerNode); + if (!m) return null; + const stop = m; + const mx = m.x; + const my = m.y; + let tanMin = Infinity; + p = m; + do { + if (hx >= p.x && p.x >= mx && hx !== p.x && + pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) { + const tan = Math.abs(hy - p.y) / (hx - p.x); + if (locallyInside(p, hole) && + (tan < tanMin || (tan === tanMin && (p.x > m.x || (p.x === m.x && sectorContainsSector(m, p)))))) { + m = p; + tanMin = tan; + } + } + p = p.next; + } while (p !== stop); + return m; + } + function sectorContainsSector(m, p) { + return area(m.prev, m, p.prev) < 0 && area(p.next, m, m.next) < 0; + } + function indexCurve(start, minX, minY, invSize) { + let p = start; + do { + if (p.z === 0) p.z = zOrder(p.x, p.y, minX, minY, invSize); + p.prevZ = p.prev; + p.nextZ = p.next; + p = p.next; + } while (p !== start); + p.prevZ.nextZ = null; + p.prevZ = null; + sortLinked(p); + } + function sortLinked(list) { + let numMerges; + let inSize = 1; + do { + let p = list; + let e; + list = null; + let tail = null; + numMerges = 0; + while (p) { + numMerges++; + let q = p; + let pSize = 0; + for (let i = 0; i < inSize; i++) { + pSize++; + q = q.nextZ; + if (!q) break; + } + let qSize = inSize; + while (pSize > 0 || (qSize > 0 && q)) { + if (pSize !== 0 && (qSize === 0 || !q || p.z <= q.z)) { + e = p; + p = p.nextZ; + pSize--; + } else { + e = q; + q = q.nextZ; + qSize--; + } + if (tail) tail.nextZ = e; + else list = e; + e.prevZ = tail; + tail = e; + } + p = q; + } + tail.nextZ = null; + inSize *= 2; + } while (numMerges > 1); + return list; + } + function zOrder(x, y, minX, minY, invSize) { + x = (x - minX) * invSize | 0; + y = (y - minY) * invSize | 0; + x = (x | (x << 8)) & 0x00FF00FF; + x = (x | (x << 4)) & 0x0F0F0F0F; + x = (x | (x << 2)) & 0x33333333; + x = (x | (x << 1)) & 0x55555555; + y = (y | (y << 8)) & 0x00FF00FF; + y = (y | (y << 4)) & 0x0F0F0F0F; + y = (y | (y << 2)) & 0x33333333; + y = (y | (y << 1)) & 0x55555555; + return x | (y << 1); + } + function getLeftmost(start) { + let p = start, + leftmost = start; + do { + if (p.x < leftmost.x || (p.x === leftmost.x && p.y < leftmost.y)) leftmost = p; + p = p.next; + } while (p !== start); + return leftmost; + } + function pointInTriangle(ax, ay, bx, by, cx, cy, px, py) { + return (cx - px) * (ay - py) >= (ax - px) * (cy - py) && + (ax - px) * (by - py) >= (bx - px) * (ay - py) && + (bx - px) * (cy - py) >= (cx - px) * (by - py); + } + function pointInTriangleExceptFirst(ax, ay, bx, by, cx, cy, px, py) { + return !(ax === px && ay === py) && pointInTriangle(ax, ay, bx, by, cx, cy, px, py); + } + function isValidDiagonal(a, b) { + return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && + (locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b) && + (area(a.prev, a, b.prev) || area(a, b.prev, b)) || + equals(a, b) && area(a.prev, a, a.next) > 0 && area(b.prev, b, b.next) > 0); + } + function area(p, q, r) { + return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y); + } + function equals(p1, p2) { + return p1.x === p2.x && p1.y === p2.y; + } + function intersects(p1, q1, p2, q2) { + const o1 = sign(area(p1, q1, p2)); + const o2 = sign(area(p1, q1, q2)); + const o3 = sign(area(p2, q2, p1)); + const o4 = sign(area(p2, q2, q1)); + if (o1 !== o2 && o3 !== o4) return true; + if (o1 === 0 && onSegment(p1, p2, q1)) return true; + if (o2 === 0 && onSegment(p1, q2, q1)) return true; + if (o3 === 0 && onSegment(p2, p1, q2)) return true; + if (o4 === 0 && onSegment(p2, q1, q2)) return true; + return false; + } + function onSegment(p, q, r) { + return q.x <= Math.max(p.x, r.x) && q.x >= Math.min(p.x, r.x) && q.y <= Math.max(p.y, r.y) && q.y >= Math.min(p.y, r.y); + } + function sign(num) { + return num > 0 ? 1 : num < 0 ? -1 : 0; + } + function intersectsPolygon(a, b) { + let p = a; + do { + if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && + intersects(p, p.next, a, b)) return true; + p = p.next; + } while (p !== a); + return false; + } + function locallyInside(a, b) { + return area(a.prev, a, a.next) < 0 ? + area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 : + area(a, b, a.prev) < 0 || area(a, a.next, b) < 0; + } + function middleInside(a, b) { + let p = a; + let inside = false; + const px = (a.x + b.x) / 2; + const py = (a.y + b.y) / 2; + do { + if (((p.y > py) !== (p.next.y > py)) && p.next.y !== p.y && + (px < (p.next.x - p.x) * (py - p.y) / (p.next.y - p.y) + p.x)) + inside = !inside; + p = p.next; + } while (p !== a); + return inside; + } + function splitPolygon(a, b) { + const a2 = createNode(a.i, a.x, a.y), + b2 = createNode(b.i, b.x, b.y), + an = a.next, + bp = b.prev; + a.next = b; + b.prev = a; + a2.next = an; + an.prev = a2; + b2.next = a2; + a2.prev = b2; + bp.next = b2; + b2.prev = bp; + return b2; + } + function insertNode(i, x, y, last) { + const p = createNode(i, x, y); + if (!last) { + p.prev = p; + p.next = p; + } else { + p.next = last.next; + p.prev = last; + last.next.prev = p; + last.next = p; + } + return p; + } + function removeNode(p) { + p.next.prev = p.prev; + p.prev.next = p.next; + if (p.prevZ) p.prevZ.nextZ = p.nextZ; + if (p.nextZ) p.nextZ.prevZ = p.prevZ; + } + function createNode(i, x, y) { + return { + i, + x, y, + prev: null, + next: null, + z: 0, + prevZ: null, + nextZ: null, + steiner: false + }; + } + function signedArea(data, start, end, dim) { + let sum = 0; + for (let i = start, j = end - dim; i < end; i += dim) { + sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]); + j = i; + } + return sum; + } + class Earcut { + static triangulate( data, holeIndices, dim = 2 ) { + return earcut( data, holeIndices, dim ); + } + } + class ShapeUtils { + static area( contour ) { + const n = contour.length; + let a = 0.0; + for ( let p = n - 1, q = 0; q < n; p = q ++ ) { + a += contour[ p ].x * contour[ q ].y - contour[ q ].x * contour[ p ].y; + } + return a * 0.5; + } + static isClockWise( pts ) { + return ShapeUtils.area( pts ) < 0; + } + static triangulateShape( contour, holes ) { + const vertices = []; + const holeIndices = []; + const faces = []; + removeDupEndPts( contour ); + addContour( vertices, contour ); + let holeIndex = contour.length; + holes.forEach( removeDupEndPts ); + for ( let i = 0; i < holes.length; i ++ ) { + holeIndices.push( holeIndex ); + holeIndex += holes[ i ].length; + addContour( vertices, holes[ i ] ); + } + const triangles = Earcut.triangulate( vertices, holeIndices ); + for ( let i = 0; i < triangles.length; i += 3 ) { + faces.push( triangles.slice( i, i + 3 ) ); + } + return faces; + } + } + function removeDupEndPts( points ) { + const l = points.length; + if ( l > 2 && points[ l - 1 ].equals( points[ 0 ] ) ) { + points.pop(); + } + } + function addContour( vertices, contour ) { + for ( let i = 0; i < contour.length; i ++ ) { + vertices.push( contour[ i ].x ); + vertices.push( contour[ i ].y ); + } + } + class ExtrudeGeometry extends BufferGeometry { + constructor( shapes = new Shape( [ new Vector2( 0.5, 0.5 ), new Vector2( -0.5, 0.5 ), new Vector2( -0.5, -0.5 ), new Vector2( 0.5, -0.5 ) ] ), options = {} ) { + super(); + this.type = 'ExtrudeGeometry'; + this.parameters = { + shapes: shapes, + options: options + }; + shapes = Array.isArray( shapes ) ? shapes : [ shapes ]; + const scope = this; + const verticesArray = []; + const uvArray = []; + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + const shape = shapes[ i ]; + addShape( shape ); + } + this.setAttribute( 'position', new Float32BufferAttribute( verticesArray, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvArray, 2 ) ); + this.computeVertexNormals(); + function addShape( shape ) { + const placeholder = []; + const curveSegments = options.curveSegments !== undefined ? options.curveSegments : 12; + const steps = options.steps !== undefined ? options.steps : 1; + const depth = options.depth !== undefined ? options.depth : 1; + let bevelEnabled = options.bevelEnabled !== undefined ? options.bevelEnabled : true; + let bevelThickness = options.bevelThickness !== undefined ? options.bevelThickness : 0.2; + let bevelSize = options.bevelSize !== undefined ? options.bevelSize : bevelThickness - 0.1; + let bevelOffset = options.bevelOffset !== undefined ? options.bevelOffset : 0; + let bevelSegments = options.bevelSegments !== undefined ? options.bevelSegments : 3; + const extrudePath = options.extrudePath; + const uvgen = options.UVGenerator !== undefined ? options.UVGenerator : WorldUVGenerator; + let extrudePts, extrudeByPath = false; + let splineTube, binormal, normal, position2; + if ( extrudePath ) { + extrudePts = extrudePath.getSpacedPoints( steps ); + extrudeByPath = true; + bevelEnabled = false; + splineTube = extrudePath.computeFrenetFrames( steps, false ); + binormal = new Vector3(); + normal = new Vector3(); + position2 = new Vector3(); + } + if ( ! bevelEnabled ) { + bevelSegments = 0; + bevelThickness = 0; + bevelSize = 0; + bevelOffset = 0; + } + const shapePoints = shape.extractPoints( curveSegments ); + let vertices = shapePoints.shape; + const holes = shapePoints.holes; + const reverse = ! ShapeUtils.isClockWise( vertices ); + if ( reverse ) { + vertices = vertices.reverse(); + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + const ahole = holes[ h ]; + if ( ShapeUtils.isClockWise( ahole ) ) { + holes[ h ] = ahole.reverse(); + } + } + } + function mergeOverlappingPoints( points ) { + const THRESHOLD = 1e-10; + const THRESHOLD_SQ = THRESHOLD * THRESHOLD; + let prevPos = points[ 0 ]; + for ( let i = 1; i <= points.length; i ++ ) { + const currentIndex = i % points.length; + const currentPos = points[ currentIndex ]; + const dx = currentPos.x - prevPos.x; + const dy = currentPos.y - prevPos.y; + const distSq = dx * dx + dy * dy; + const scalingFactorSqrt = Math.max( + Math.abs( currentPos.x ), + Math.abs( currentPos.y ), + Math.abs( prevPos.x ), + Math.abs( prevPos.y ) + ); + const thresholdSqScaled = THRESHOLD_SQ * scalingFactorSqrt * scalingFactorSqrt; + if ( distSq <= thresholdSqScaled ) { + points.splice( currentIndex, 1 ); + i --; + continue; + } + prevPos = currentPos; + } + } + mergeOverlappingPoints( vertices ); + holes.forEach( mergeOverlappingPoints ); + const numHoles = holes.length; + const contour = vertices; + for ( let h = 0; h < numHoles; h ++ ) { + const ahole = holes[ h ]; + vertices = vertices.concat( ahole ); + } + function scalePt2( pt, vec, size ) { + if ( ! vec ) console.error( 'THREE.ExtrudeGeometry: vec does not exist' ); + return pt.clone().addScaledVector( vec, size ); + } + const vlen = vertices.length; + function getBevelVec( inPt, inPrev, inNext ) { + let v_trans_x, v_trans_y, shrink_by; + const v_prev_x = inPt.x - inPrev.x, + v_prev_y = inPt.y - inPrev.y; + const v_next_x = inNext.x - inPt.x, + v_next_y = inNext.y - inPt.y; + const v_prev_lensq = ( v_prev_x * v_prev_x + v_prev_y * v_prev_y ); + const collinear0 = ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + if ( Math.abs( collinear0 ) > Number.EPSILON ) { + const v_prev_len = Math.sqrt( v_prev_lensq ); + const v_next_len = Math.sqrt( v_next_x * v_next_x + v_next_y * v_next_y ); + const ptPrevShift_x = ( inPrev.x - v_prev_y / v_prev_len ); + const ptPrevShift_y = ( inPrev.y + v_prev_x / v_prev_len ); + const ptNextShift_x = ( inNext.x - v_next_y / v_next_len ); + const ptNextShift_y = ( inNext.y + v_next_x / v_next_len ); + const sf = ( ( ptNextShift_x - ptPrevShift_x ) * v_next_y - + ( ptNextShift_y - ptPrevShift_y ) * v_next_x ) / + ( v_prev_x * v_next_y - v_prev_y * v_next_x ); + v_trans_x = ( ptPrevShift_x + v_prev_x * sf - inPt.x ); + v_trans_y = ( ptPrevShift_y + v_prev_y * sf - inPt.y ); + const v_trans_lensq = ( v_trans_x * v_trans_x + v_trans_y * v_trans_y ); + if ( v_trans_lensq <= 2 ) { + return new Vector2( v_trans_x, v_trans_y ); + } else { + shrink_by = Math.sqrt( v_trans_lensq / 2 ); + } + } else { + let direction_eq = false; + if ( v_prev_x > Number.EPSILON ) { + if ( v_next_x > Number.EPSILON ) { + direction_eq = true; + } + } else { + if ( v_prev_x < - Number.EPSILON ) { + if ( v_next_x < - Number.EPSILON ) { + direction_eq = true; + } + } else { + if ( Math.sign( v_prev_y ) === Math.sign( v_next_y ) ) { + direction_eq = true; + } + } + } + if ( direction_eq ) { + v_trans_x = - v_prev_y; + v_trans_y = v_prev_x; + shrink_by = Math.sqrt( v_prev_lensq ); + } else { + v_trans_x = v_prev_x; + v_trans_y = v_prev_y; + shrink_by = Math.sqrt( v_prev_lensq / 2 ); + } + } + return new Vector2( v_trans_x / shrink_by, v_trans_y / shrink_by ); + } + const contourMovements = []; + for ( let i = 0, il = contour.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + if ( j === il ) j = 0; + if ( k === il ) k = 0; + contourMovements[ i ] = getBevelVec( contour[ i ], contour[ j ], contour[ k ] ); + } + const holesMovements = []; + let oneHoleMovements, verticesMovements = contourMovements.concat(); + for ( let h = 0, hl = numHoles; h < hl; h ++ ) { + const ahole = holes[ h ]; + oneHoleMovements = []; + for ( let i = 0, il = ahole.length, j = il - 1, k = i + 1; i < il; i ++, j ++, k ++ ) { + if ( j === il ) j = 0; + if ( k === il ) k = 0; + oneHoleMovements[ i ] = getBevelVec( ahole[ i ], ahole[ j ], ahole[ k ] ); + } + holesMovements.push( oneHoleMovements ); + verticesMovements = verticesMovements.concat( oneHoleMovements ); + } + let faces; + if ( bevelSegments === 0 ) { + faces = ShapeUtils.triangulateShape( contour, holes ); + } else { + const contractedContourVertices = []; + const expandedHoleVertices = []; + for ( let b = 0; b < bevelSegments; b ++ ) { + const t = b / bevelSegments; + const z = bevelThickness * Math.cos( t * Math.PI / 2 ); + const bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + for ( let i = 0, il = contour.length; i < il; i ++ ) { + const vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, - z ); + if ( t === 0 ) contractedContourVertices.push( vert ); + } + for ( let h = 0, hl = numHoles; h < hl; h ++ ) { + const ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + const oneHoleVertices = []; + for ( let i = 0, il = ahole.length; i < il; i ++ ) { + const vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + v( vert.x, vert.y, - z ); + if ( t === 0 ) oneHoleVertices.push( vert ); + } + if ( t === 0 ) expandedHoleVertices.push( oneHoleVertices ); + } + } + faces = ShapeUtils.triangulateShape( contractedContourVertices, expandedHoleVertices ); + } + const flen = faces.length; + const bs = bevelSize + bevelOffset; + for ( let i = 0; i < vlen; i ++ ) { + const vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + if ( ! extrudeByPath ) { + v( vert.x, vert.y, 0 ); + } else { + normal.copy( splineTube.normals[ 0 ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ 0 ] ).multiplyScalar( vert.y ); + position2.copy( extrudePts[ 0 ] ).add( normal ).add( binormal ); + v( position2.x, position2.y, position2.z ); + } + } + for ( let s = 1; s <= steps; s ++ ) { + for ( let i = 0; i < vlen; i ++ ) { + const vert = bevelEnabled ? scalePt2( vertices[ i ], verticesMovements[ i ], bs ) : vertices[ i ]; + if ( ! extrudeByPath ) { + v( vert.x, vert.y, depth / steps * s ); + } else { + normal.copy( splineTube.normals[ s ] ).multiplyScalar( vert.x ); + binormal.copy( splineTube.binormals[ s ] ).multiplyScalar( vert.y ); + position2.copy( extrudePts[ s ] ).add( normal ).add( binormal ); + v( position2.x, position2.y, position2.z ); + } + } + } + for ( let b = bevelSegments - 1; b >= 0; b -- ) { + const t = b / bevelSegments; + const z = bevelThickness * Math.cos( t * Math.PI / 2 ); + const bs = bevelSize * Math.sin( t * Math.PI / 2 ) + bevelOffset; + for ( let i = 0, il = contour.length; i < il; i ++ ) { + const vert = scalePt2( contour[ i ], contourMovements[ i ], bs ); + v( vert.x, vert.y, depth + z ); + } + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + const ahole = holes[ h ]; + oneHoleMovements = holesMovements[ h ]; + for ( let i = 0, il = ahole.length; i < il; i ++ ) { + const vert = scalePt2( ahole[ i ], oneHoleMovements[ i ], bs ); + if ( ! extrudeByPath ) { + v( vert.x, vert.y, depth + z ); + } else { + v( vert.x, vert.y + extrudePts[ steps - 1 ].y, extrudePts[ steps - 1 ].x + z ); + } + } + } + } + buildLidFaces(); + buildSideFaces(); + function buildLidFaces() { + const start = verticesArray.length / 3; + if ( bevelEnabled ) { + let layer = 0; + let offset = vlen * layer; + for ( let i = 0; i < flen; i ++ ) { + const face = faces[ i ]; + f3( face[ 2 ] + offset, face[ 1 ] + offset, face[ 0 ] + offset ); + } + layer = steps + bevelSegments * 2; + offset = vlen * layer; + for ( let i = 0; i < flen; i ++ ) { + const face = faces[ i ]; + f3( face[ 0 ] + offset, face[ 1 ] + offset, face[ 2 ] + offset ); + } + } else { + for ( let i = 0; i < flen; i ++ ) { + const face = faces[ i ]; + f3( face[ 2 ], face[ 1 ], face[ 0 ] ); + } + for ( let i = 0; i < flen; i ++ ) { + const face = faces[ i ]; + f3( face[ 0 ] + vlen * steps, face[ 1 ] + vlen * steps, face[ 2 ] + vlen * steps ); + } + } + scope.addGroup( start, verticesArray.length / 3 - start, 0 ); + } + function buildSideFaces() { + const start = verticesArray.length / 3; + let layeroffset = 0; + sidewalls( contour, layeroffset ); + layeroffset += contour.length; + for ( let h = 0, hl = holes.length; h < hl; h ++ ) { + const ahole = holes[ h ]; + sidewalls( ahole, layeroffset ); + layeroffset += ahole.length; + } + scope.addGroup( start, verticesArray.length / 3 - start, 1 ); + } + function sidewalls( contour, layeroffset ) { + let i = contour.length; + while ( -- i >= 0 ) { + const j = i; + let k = i - 1; + if ( k < 0 ) k = contour.length - 1; + for ( let s = 0, sl = ( steps + bevelSegments * 2 ); s < sl; s ++ ) { + const slen1 = vlen * s; + const slen2 = vlen * ( s + 1 ); + const a = layeroffset + j + slen1, + b = layeroffset + k + slen1, + c = layeroffset + k + slen2, + d = layeroffset + j + slen2; + f4( a, b, c, d ); + } + } + } + function v( x, y, z ) { + placeholder.push( x ); + placeholder.push( y ); + placeholder.push( z ); + } + function f3( a, b, c ) { + addVertex( a ); + addVertex( b ); + addVertex( c ); + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateTopUV( scope, verticesArray, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + } + function f4( a, b, c, d ) { + addVertex( a ); + addVertex( b ); + addVertex( d ); + addVertex( b ); + addVertex( c ); + addVertex( d ); + const nextIndex = verticesArray.length / 3; + const uvs = uvgen.generateSideWallUV( scope, verticesArray, nextIndex - 6, nextIndex - 3, nextIndex - 2, nextIndex - 1 ); + addUV( uvs[ 0 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 3 ] ); + addUV( uvs[ 1 ] ); + addUV( uvs[ 2 ] ); + addUV( uvs[ 3 ] ); + } + function addVertex( index ) { + verticesArray.push( placeholder[ index * 3 + 0 ] ); + verticesArray.push( placeholder[ index * 3 + 1 ] ); + verticesArray.push( placeholder[ index * 3 + 2 ] ); + } + function addUV( vector2 ) { + uvArray.push( vector2.x ); + uvArray.push( vector2.y ); + } + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + toJSON() { + const data = super.toJSON(); + const shapes = this.parameters.shapes; + const options = this.parameters.options; + return toJSON$1( shapes, options, data ); + } + static fromJSON( data, shapes ) { + const geometryShapes = []; + for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) { + const shape = shapes[ data.shapes[ j ] ]; + geometryShapes.push( shape ); + } + const extrudePath = data.options.extrudePath; + if ( extrudePath !== undefined ) { + data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath ); + } + return new ExtrudeGeometry( geometryShapes, data.options ); + } + } + const WorldUVGenerator = { + generateTopUV: function ( geometry, vertices, indexA, indexB, indexC ) { + const a_x = vertices[ indexA * 3 ]; + const a_y = vertices[ indexA * 3 + 1 ]; + const b_x = vertices[ indexB * 3 ]; + const b_y = vertices[ indexB * 3 + 1 ]; + const c_x = vertices[ indexC * 3 ]; + const c_y = vertices[ indexC * 3 + 1 ]; + return [ + new Vector2( a_x, a_y ), + new Vector2( b_x, b_y ), + new Vector2( c_x, c_y ) + ]; + }, + generateSideWallUV: function ( geometry, vertices, indexA, indexB, indexC, indexD ) { + const a_x = vertices[ indexA * 3 ]; + const a_y = vertices[ indexA * 3 + 1 ]; + const a_z = vertices[ indexA * 3 + 2 ]; + const b_x = vertices[ indexB * 3 ]; + const b_y = vertices[ indexB * 3 + 1 ]; + const b_z = vertices[ indexB * 3 + 2 ]; + const c_x = vertices[ indexC * 3 ]; + const c_y = vertices[ indexC * 3 + 1 ]; + const c_z = vertices[ indexC * 3 + 2 ]; + const d_x = vertices[ indexD * 3 ]; + const d_y = vertices[ indexD * 3 + 1 ]; + const d_z = vertices[ indexD * 3 + 2 ]; + if ( Math.abs( a_y - b_y ) < Math.abs( a_x - b_x ) ) { + return [ + new Vector2( a_x, 1 - a_z ), + new Vector2( b_x, 1 - b_z ), + new Vector2( c_x, 1 - c_z ), + new Vector2( d_x, 1 - d_z ) + ]; + } else { + return [ + new Vector2( a_y, 1 - a_z ), + new Vector2( b_y, 1 - b_z ), + new Vector2( c_y, 1 - c_z ), + new Vector2( d_y, 1 - d_z ) + ]; + } + } + }; + function toJSON$1( shapes, options, data ) { + data.shapes = []; + if ( Array.isArray( shapes ) ) { + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + const shape = shapes[ i ]; + data.shapes.push( shape.uuid ); + } + } else { + data.shapes.push( shapes.uuid ); + } + data.options = Object.assign( {}, options ); + if ( options.extrudePath !== undefined ) data.options.extrudePath = options.extrudePath.toJSON(); + return data; + } + class IcosahedronGeometry extends PolyhedronGeometry { + constructor( radius = 1, detail = 0 ) { + const t = ( 1 + Math.sqrt( 5 ) ) / 2; + const vertices = [ + -1, t, 0, 1, t, 0, -1, - t, 0, 1, - t, 0, + 0, -1, t, 0, 1, t, 0, -1, - t, 0, 1, - t, + t, 0, -1, t, 0, 1, - t, 0, -1, - t, 0, 1 + ]; + const indices = [ + 0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, + 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, + 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, + 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1 + ]; + super( vertices, indices, radius, detail ); + this.type = 'IcosahedronGeometry'; + this.parameters = { + radius: radius, + detail: detail + }; + } + static fromJSON( data ) { + return new IcosahedronGeometry( data.radius, data.detail ); + } + } + class LatheGeometry extends BufferGeometry { + constructor( points = [ new Vector2( 0, -0.5 ), new Vector2( 0.5, 0 ), new Vector2( 0, 0.5 ) ], segments = 12, phiStart = 0, phiLength = Math.PI * 2 ) { + super(); + this.type = 'LatheGeometry'; + this.parameters = { + points: points, + segments: segments, + phiStart: phiStart, + phiLength: phiLength + }; + segments = Math.floor( segments ); + phiLength = clamp( phiLength, 0, Math.PI * 2 ); + const indices = []; + const vertices = []; + const uvs = []; + const initNormals = []; + const normals = []; + const inverseSegments = 1.0 / segments; + const vertex = new Vector3(); + const uv = new Vector2(); + const normal = new Vector3(); + const curNormal = new Vector3(); + const prevNormal = new Vector3(); + let dx = 0; + let dy = 0; + for ( let j = 0; j <= ( points.length - 1 ); j ++ ) { + switch ( j ) { + case 0: + dx = points[ j + 1 ].x - points[ j ].x; + dy = points[ j + 1 ].y - points[ j ].y; + normal.x = dy * 1.0; + normal.y = - dx; + normal.z = dy * 0.0; + prevNormal.copy( normal ); + normal.normalize(); + initNormals.push( normal.x, normal.y, normal.z ); + break; + case ( points.length - 1 ): + initNormals.push( prevNormal.x, prevNormal.y, prevNormal.z ); + break; + default: + dx = points[ j + 1 ].x - points[ j ].x; + dy = points[ j + 1 ].y - points[ j ].y; + normal.x = dy * 1.0; + normal.y = - dx; + normal.z = dy * 0.0; + curNormal.copy( normal ); + normal.x += prevNormal.x; + normal.y += prevNormal.y; + normal.z += prevNormal.z; + normal.normalize(); + initNormals.push( normal.x, normal.y, normal.z ); + prevNormal.copy( curNormal ); + } + } + for ( let i = 0; i <= segments; i ++ ) { + const phi = phiStart + i * inverseSegments * phiLength; + const sin = Math.sin( phi ); + const cos = Math.cos( phi ); + for ( let j = 0; j <= ( points.length - 1 ); j ++ ) { + vertex.x = points[ j ].x * sin; + vertex.y = points[ j ].y; + vertex.z = points[ j ].x * cos; + vertices.push( vertex.x, vertex.y, vertex.z ); + uv.x = i / segments; + uv.y = j / ( points.length - 1 ); + uvs.push( uv.x, uv.y ); + const x = initNormals[ 3 * j + 0 ] * sin; + const y = initNormals[ 3 * j + 1 ]; + const z = initNormals[ 3 * j + 0 ] * cos; + normals.push( x, y, z ); + } + } + for ( let i = 0; i < segments; i ++ ) { + for ( let j = 0; j < ( points.length - 1 ); j ++ ) { + const base = j + i * points.length; + const a = base; + const b = base + points.length; + const c = base + points.length + 1; + const d = base + 1; + indices.push( a, b, d ); + indices.push( c, d, b ); + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new LatheGeometry( data.points, data.segments, data.phiStart, data.phiLength ); + } + } + class OctahedronGeometry extends PolyhedronGeometry { + constructor( radius = 1, detail = 0 ) { + const vertices = [ + 1, 0, 0, -1, 0, 0, 0, 1, 0, + 0, -1, 0, 0, 0, 1, 0, 0, -1 + ]; + const indices = [ + 0, 2, 4, 0, 4, 3, 0, 3, 5, + 0, 5, 2, 1, 2, 5, 1, 5, 3, + 1, 3, 4, 1, 4, 2 + ]; + super( vertices, indices, radius, detail ); + this.type = 'OctahedronGeometry'; + this.parameters = { + radius: radius, + detail: detail + }; + } + static fromJSON( data ) { + return new OctahedronGeometry( data.radius, data.detail ); + } + } + class PlaneGeometry extends BufferGeometry { + constructor( width = 1, height = 1, widthSegments = 1, heightSegments = 1 ) { + super(); + this.type = 'PlaneGeometry'; + this.parameters = { + width: width, + height: height, + widthSegments: widthSegments, + heightSegments: heightSegments + }; + const width_half = width / 2; + const height_half = height / 2; + const gridX = Math.floor( widthSegments ); + const gridY = Math.floor( heightSegments ); + const gridX1 = gridX + 1; + const gridY1 = gridY + 1; + const segment_width = width / gridX; + const segment_height = height / gridY; + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + for ( let iy = 0; iy < gridY1; iy ++ ) { + const y = iy * segment_height - height_half; + for ( let ix = 0; ix < gridX1; ix ++ ) { + const x = ix * segment_width - width_half; + vertices.push( x, - y, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( ix / gridX ); + uvs.push( 1 - ( iy / gridY ) ); + } + } + for ( let iy = 0; iy < gridY; iy ++ ) { + for ( let ix = 0; ix < gridX; ix ++ ) { + const a = ix + gridX1 * iy; + const b = ix + gridX1 * ( iy + 1 ); + const c = ( ix + 1 ) + gridX1 * ( iy + 1 ); + const d = ( ix + 1 ) + gridX1 * iy; + indices.push( a, b, d ); + indices.push( b, c, d ); + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new PlaneGeometry( data.width, data.height, data.widthSegments, data.heightSegments ); + } + } + class RingGeometry extends BufferGeometry { + constructor( innerRadius = 0.5, outerRadius = 1, thetaSegments = 32, phiSegments = 1, thetaStart = 0, thetaLength = Math.PI * 2 ) { + super(); + this.type = 'RingGeometry'; + this.parameters = { + innerRadius: innerRadius, + outerRadius: outerRadius, + thetaSegments: thetaSegments, + phiSegments: phiSegments, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + thetaSegments = Math.max( 3, thetaSegments ); + phiSegments = Math.max( 1, phiSegments ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let radius = innerRadius; + const radiusStep = ( ( outerRadius - innerRadius ) / phiSegments ); + const vertex = new Vector3(); + const uv = new Vector2(); + for ( let j = 0; j <= phiSegments; j ++ ) { + for ( let i = 0; i <= thetaSegments; i ++ ) { + const segment = thetaStart + i / thetaSegments * thetaLength; + vertex.x = radius * Math.cos( segment ); + vertex.y = radius * Math.sin( segment ); + vertices.push( vertex.x, vertex.y, vertex.z ); + normals.push( 0, 0, 1 ); + uv.x = ( vertex.x / outerRadius + 1 ) / 2; + uv.y = ( vertex.y / outerRadius + 1 ) / 2; + uvs.push( uv.x, uv.y ); + } + radius += radiusStep; + } + for ( let j = 0; j < phiSegments; j ++ ) { + const thetaSegmentLevel = j * ( thetaSegments + 1 ); + for ( let i = 0; i < thetaSegments; i ++ ) { + const segment = i + thetaSegmentLevel; + const a = segment; + const b = segment + thetaSegments + 1; + const c = segment + thetaSegments + 2; + const d = segment + 1; + indices.push( a, b, d ); + indices.push( b, c, d ); + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new RingGeometry( data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength ); + } + } + class ShapeGeometry extends BufferGeometry { + constructor( shapes = new Shape( [ new Vector2( 0, 0.5 ), new Vector2( -0.5, -0.5 ), new Vector2( 0.5, -0.5 ) ] ), curveSegments = 12 ) { + super(); + this.type = 'ShapeGeometry'; + this.parameters = { + shapes: shapes, + curveSegments: curveSegments + }; + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + let groupStart = 0; + let groupCount = 0; + if ( Array.isArray( shapes ) === false ) { + addShape( shapes ); + } else { + for ( let i = 0; i < shapes.length; i ++ ) { + addShape( shapes[ i ] ); + this.addGroup( groupStart, groupCount, i ); + groupStart += groupCount; + groupCount = 0; + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + function addShape( shape ) { + const indexOffset = vertices.length / 3; + const points = shape.extractPoints( curveSegments ); + let shapeVertices = points.shape; + const shapeHoles = points.holes; + if ( ShapeUtils.isClockWise( shapeVertices ) === false ) { + shapeVertices = shapeVertices.reverse(); + } + for ( let i = 0, l = shapeHoles.length; i < l; i ++ ) { + const shapeHole = shapeHoles[ i ]; + if ( ShapeUtils.isClockWise( shapeHole ) === true ) { + shapeHoles[ i ] = shapeHole.reverse(); + } + } + const faces = ShapeUtils.triangulateShape( shapeVertices, shapeHoles ); + for ( let i = 0, l = shapeHoles.length; i < l; i ++ ) { + const shapeHole = shapeHoles[ i ]; + shapeVertices = shapeVertices.concat( shapeHole ); + } + for ( let i = 0, l = shapeVertices.length; i < l; i ++ ) { + const vertex = shapeVertices[ i ]; + vertices.push( vertex.x, vertex.y, 0 ); + normals.push( 0, 0, 1 ); + uvs.push( vertex.x, vertex.y ); + } + for ( let i = 0, l = faces.length; i < l; i ++ ) { + const face = faces[ i ]; + const a = face[ 0 ] + indexOffset; + const b = face[ 1 ] + indexOffset; + const c = face[ 2 ] + indexOffset; + indices.push( a, b, c ); + groupCount += 3; + } + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + toJSON() { + const data = super.toJSON(); + const shapes = this.parameters.shapes; + return toJSON( shapes, data ); + } + static fromJSON( data, shapes ) { + const geometryShapes = []; + for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) { + const shape = shapes[ data.shapes[ j ] ]; + geometryShapes.push( shape ); + } + return new ShapeGeometry( geometryShapes, data.curveSegments ); + } + } + function toJSON( shapes, data ) { + data.shapes = []; + if ( Array.isArray( shapes ) ) { + for ( let i = 0, l = shapes.length; i < l; i ++ ) { + const shape = shapes[ i ]; + data.shapes.push( shape.uuid ); + } + } else { + data.shapes.push( shapes.uuid ); + } + return data; + } + class SphereGeometry extends BufferGeometry { + constructor( radius = 1, widthSegments = 32, heightSegments = 16, phiStart = 0, phiLength = Math.PI * 2, thetaStart = 0, thetaLength = Math.PI ) { + super(); + this.type = 'SphereGeometry'; + this.parameters = { + radius: radius, + widthSegments: widthSegments, + heightSegments: heightSegments, + phiStart: phiStart, + phiLength: phiLength, + thetaStart: thetaStart, + thetaLength: thetaLength + }; + widthSegments = Math.max( 3, Math.floor( widthSegments ) ); + heightSegments = Math.max( 2, Math.floor( heightSegments ) ); + const thetaEnd = Math.min( thetaStart + thetaLength, Math.PI ); + let index = 0; + const grid = []; + const vertex = new Vector3(); + const normal = new Vector3(); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + for ( let iy = 0; iy <= heightSegments; iy ++ ) { + const verticesRow = []; + const v = iy / heightSegments; + let uOffset = 0; + if ( iy === 0 && thetaStart === 0 ) { + uOffset = 0.5 / widthSegments; + } else if ( iy === heightSegments && thetaEnd === Math.PI ) { + uOffset = -0.5 / widthSegments; + } + for ( let ix = 0; ix <= widthSegments; ix ++ ) { + const u = ix / widthSegments; + vertex.x = - radius * Math.cos( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + vertex.y = radius * Math.cos( thetaStart + v * thetaLength ); + vertex.z = radius * Math.sin( phiStart + u * phiLength ) * Math.sin( thetaStart + v * thetaLength ); + vertices.push( vertex.x, vertex.y, vertex.z ); + normal.copy( vertex ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + uvs.push( u + uOffset, 1 - v ); + verticesRow.push( index ++ ); + } + grid.push( verticesRow ); + } + for ( let iy = 0; iy < heightSegments; iy ++ ) { + for ( let ix = 0; ix < widthSegments; ix ++ ) { + const a = grid[ iy ][ ix + 1 ]; + const b = grid[ iy ][ ix ]; + const c = grid[ iy + 1 ][ ix ]; + const d = grid[ iy + 1 ][ ix + 1 ]; + if ( iy !== 0 || thetaStart > 0 ) indices.push( a, b, d ); + if ( iy !== heightSegments - 1 || thetaEnd < Math.PI ) indices.push( b, c, d ); + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new SphereGeometry( data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength ); + } + } + class TetrahedronGeometry extends PolyhedronGeometry { + constructor( radius = 1, detail = 0 ) { + const vertices = [ + 1, 1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1 + ]; + const indices = [ + 2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1 + ]; + super( vertices, indices, radius, detail ); + this.type = 'TetrahedronGeometry'; + this.parameters = { + radius: radius, + detail: detail + }; + } + static fromJSON( data ) { + return new TetrahedronGeometry( data.radius, data.detail ); + } + } + class TorusGeometry extends BufferGeometry { + constructor( radius = 1, tube = 0.4, radialSegments = 12, tubularSegments = 48, arc = Math.PI * 2 ) { + super(); + this.type = 'TorusGeometry'; + this.parameters = { + radius: radius, + tube: tube, + radialSegments: radialSegments, + tubularSegments: tubularSegments, + arc: arc + }; + radialSegments = Math.floor( radialSegments ); + tubularSegments = Math.floor( tubularSegments ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const center = new Vector3(); + const vertex = new Vector3(); + const normal = new Vector3(); + for ( let j = 0; j <= radialSegments; j ++ ) { + for ( let i = 0; i <= tubularSegments; i ++ ) { + const u = i / tubularSegments * arc; + const v = j / radialSegments * Math.PI * 2; + vertex.x = ( radius + tube * Math.cos( v ) ) * Math.cos( u ); + vertex.y = ( radius + tube * Math.cos( v ) ) * Math.sin( u ); + vertex.z = tube * Math.sin( v ); + vertices.push( vertex.x, vertex.y, vertex.z ); + center.x = radius * Math.cos( u ); + center.y = radius * Math.sin( u ); + normal.subVectors( vertex, center ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + } + } + for ( let j = 1; j <= radialSegments; j ++ ) { + for ( let i = 1; i <= tubularSegments; i ++ ) { + const a = ( tubularSegments + 1 ) * j + i - 1; + const b = ( tubularSegments + 1 ) * ( j - 1 ) + i - 1; + const c = ( tubularSegments + 1 ) * ( j - 1 ) + i; + const d = ( tubularSegments + 1 ) * j + i; + indices.push( a, b, d ); + indices.push( b, c, d ); + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new TorusGeometry( data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc ); + } + } + class TorusKnotGeometry extends BufferGeometry { + constructor( radius = 1, tube = 0.4, tubularSegments = 64, radialSegments = 8, p = 2, q = 3 ) { + super(); + this.type = 'TorusKnotGeometry'; + this.parameters = { + radius: radius, + tube: tube, + tubularSegments: tubularSegments, + radialSegments: radialSegments, + p: p, + q: q + }; + tubularSegments = Math.floor( tubularSegments ); + radialSegments = Math.floor( radialSegments ); + const indices = []; + const vertices = []; + const normals = []; + const uvs = []; + const vertex = new Vector3(); + const normal = new Vector3(); + const P1 = new Vector3(); + const P2 = new Vector3(); + const B = new Vector3(); + const T = new Vector3(); + const N = new Vector3(); + for ( let i = 0; i <= tubularSegments; ++ i ) { + const u = i / tubularSegments * p * Math.PI * 2; + calculatePositionOnCurve( u, p, q, radius, P1 ); + calculatePositionOnCurve( u + 0.01, p, q, radius, P2 ); + T.subVectors( P2, P1 ); + N.addVectors( P2, P1 ); + B.crossVectors( T, N ); + N.crossVectors( B, T ); + B.normalize(); + N.normalize(); + for ( let j = 0; j <= radialSegments; ++ j ) { + const v = j / radialSegments * Math.PI * 2; + const cx = - tube * Math.cos( v ); + const cy = tube * Math.sin( v ); + vertex.x = P1.x + ( cx * N.x + cy * B.x ); + vertex.y = P1.y + ( cx * N.y + cy * B.y ); + vertex.z = P1.z + ( cx * N.z + cy * B.z ); + vertices.push( vertex.x, vertex.y, vertex.z ); + normal.subVectors( vertex, P1 ).normalize(); + normals.push( normal.x, normal.y, normal.z ); + uvs.push( i / tubularSegments ); + uvs.push( j / radialSegments ); + } + } + for ( let j = 1; j <= tubularSegments; j ++ ) { + for ( let i = 1; i <= radialSegments; i ++ ) { + const a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + const b = ( radialSegments + 1 ) * j + ( i - 1 ); + const c = ( radialSegments + 1 ) * j + i; + const d = ( radialSegments + 1 ) * ( j - 1 ) + i; + indices.push( a, b, d ); + indices.push( b, c, d ); + } + } + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + function calculatePositionOnCurve( u, p, q, radius, position ) { + const cu = Math.cos( u ); + const su = Math.sin( u ); + const quOverP = q / p * u; + const cs = Math.cos( quOverP ); + position.x = radius * ( 2 + cs ) * 0.5 * cu; + position.y = radius * ( 2 + cs ) * su * 0.5; + position.z = radius * Math.sin( quOverP ) * 0.5; + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + static fromJSON( data ) { + return new TorusKnotGeometry( data.radius, data.tube, data.tubularSegments, data.radialSegments, data.p, data.q ); + } + } + class TubeGeometry extends BufferGeometry { + constructor( path = new QuadraticBezierCurve3( new Vector3( -1, -1, 0 ), new Vector3( -1, 1, 0 ), new Vector3( 1, 1, 0 ) ), tubularSegments = 64, radius = 1, radialSegments = 8, closed = false ) { + super(); + this.type = 'TubeGeometry'; + this.parameters = { + path: path, + tubularSegments: tubularSegments, + radius: radius, + radialSegments: radialSegments, + closed: closed + }; + const frames = path.computeFrenetFrames( tubularSegments, closed ); + this.tangents = frames.tangents; + this.normals = frames.normals; + this.binormals = frames.binormals; + const vertex = new Vector3(); + const normal = new Vector3(); + const uv = new Vector2(); + let P = new Vector3(); + const vertices = []; + const normals = []; + const uvs = []; + const indices = []; + generateBufferData(); + this.setIndex( indices ); + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + this.setAttribute( 'normal', new Float32BufferAttribute( normals, 3 ) ); + this.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) ); + function generateBufferData() { + for ( let i = 0; i < tubularSegments; i ++ ) { + generateSegment( i ); + } + generateSegment( ( closed === false ) ? tubularSegments : 0 ); + generateUVs(); + generateIndices(); + } + function generateSegment( i ) { + P = path.getPointAt( i / tubularSegments, P ); + const N = frames.normals[ i ]; + const B = frames.binormals[ i ]; + for ( let j = 0; j <= radialSegments; j ++ ) { + const v = j / radialSegments * Math.PI * 2; + const sin = Math.sin( v ); + const cos = - Math.cos( v ); + normal.x = ( cos * N.x + sin * B.x ); + normal.y = ( cos * N.y + sin * B.y ); + normal.z = ( cos * N.z + sin * B.z ); + normal.normalize(); + normals.push( normal.x, normal.y, normal.z ); + vertex.x = P.x + radius * normal.x; + vertex.y = P.y + radius * normal.y; + vertex.z = P.z + radius * normal.z; + vertices.push( vertex.x, vertex.y, vertex.z ); + } + } + function generateIndices() { + for ( let j = 1; j <= tubularSegments; j ++ ) { + for ( let i = 1; i <= radialSegments; i ++ ) { + const a = ( radialSegments + 1 ) * ( j - 1 ) + ( i - 1 ); + const b = ( radialSegments + 1 ) * j + ( i - 1 ); + const c = ( radialSegments + 1 ) * j + i; + const d = ( radialSegments + 1 ) * ( j - 1 ) + i; + indices.push( a, b, d ); + indices.push( b, c, d ); + } + } + } + function generateUVs() { + for ( let i = 0; i <= tubularSegments; i ++ ) { + for ( let j = 0; j <= radialSegments; j ++ ) { + uv.x = i / tubularSegments; + uv.y = j / radialSegments; + uvs.push( uv.x, uv.y ); + } + } + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + toJSON() { + const data = super.toJSON(); + data.path = this.parameters.path.toJSON(); + return data; + } + static fromJSON( data ) { + return new TubeGeometry( + new Curves[ data.path.type ]().fromJSON( data.path ), + data.tubularSegments, + data.radius, + data.radialSegments, + data.closed + ); + } + } + class WireframeGeometry extends BufferGeometry { + constructor( geometry = null ) { + super(); + this.type = 'WireframeGeometry'; + this.parameters = { + geometry: geometry + }; + if ( geometry !== null ) { + const vertices = []; + const edges = new Set(); + const start = new Vector3(); + const end = new Vector3(); + if ( geometry.index !== null ) { + const position = geometry.attributes.position; + const indices = geometry.index; + let groups = geometry.groups; + if ( groups.length === 0 ) { + groups = [ { start: 0, count: indices.count, materialIndex: 0 } ]; + } + for ( let o = 0, ol = groups.length; o < ol; ++ o ) { + const group = groups[ o ]; + const groupStart = group.start; + const groupCount = group.count; + for ( let i = groupStart, l = ( groupStart + groupCount ); i < l; i += 3 ) { + for ( let j = 0; j < 3; j ++ ) { + const index1 = indices.getX( i + j ); + const index2 = indices.getX( i + ( j + 1 ) % 3 ); + start.fromBufferAttribute( position, index1 ); + end.fromBufferAttribute( position, index2 ); + if ( isUniqueEdge( start, end, edges ) === true ) { + vertices.push( start.x, start.y, start.z ); + vertices.push( end.x, end.y, end.z ); + } + } + } + } + } else { + const position = geometry.attributes.position; + for ( let i = 0, l = ( position.count / 3 ); i < l; i ++ ) { + for ( let j = 0; j < 3; j ++ ) { + const index1 = 3 * i + j; + const index2 = 3 * i + ( ( j + 1 ) % 3 ); + start.fromBufferAttribute( position, index1 ); + end.fromBufferAttribute( position, index2 ); + if ( isUniqueEdge( start, end, edges ) === true ) { + vertices.push( start.x, start.y, start.z ); + vertices.push( end.x, end.y, end.z ); + } + } + } + } + this.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + } + } + copy( source ) { + super.copy( source ); + this.parameters = Object.assign( {}, source.parameters ); + return this; + } + } + function isUniqueEdge( start, end, edges ) { + const hash1 = `${start.x},${start.y},${start.z}-${end.x},${end.y},${end.z}`; + const hash2 = `${end.x},${end.y},${end.z}-${start.x},${start.y},${start.z}`; + if ( edges.has( hash1 ) === true || edges.has( hash2 ) === true ) { + return false; + } else { + edges.add( hash1 ); + edges.add( hash2 ); + return true; + } + } + var Geometries = Object.freeze({ + __proto__: null, + BoxGeometry: BoxGeometry, + CapsuleGeometry: CapsuleGeometry, + CircleGeometry: CircleGeometry, + ConeGeometry: ConeGeometry, + CylinderGeometry: CylinderGeometry, + DodecahedronGeometry: DodecahedronGeometry, + EdgesGeometry: EdgesGeometry, + ExtrudeGeometry: ExtrudeGeometry, + IcosahedronGeometry: IcosahedronGeometry, + LatheGeometry: LatheGeometry, + OctahedronGeometry: OctahedronGeometry, + PlaneGeometry: PlaneGeometry, + PolyhedronGeometry: PolyhedronGeometry, + RingGeometry: RingGeometry, + ShapeGeometry: ShapeGeometry, + SphereGeometry: SphereGeometry, + TetrahedronGeometry: TetrahedronGeometry, + TorusGeometry: TorusGeometry, + TorusKnotGeometry: TorusKnotGeometry, + TubeGeometry: TubeGeometry, + WireframeGeometry: WireframeGeometry + }); + class ShadowMaterial extends Material { + constructor( parameters ) { + super(); + this.isShadowMaterial = true; + this.type = 'ShadowMaterial'; + this.color = new Color( 0x000000 ); + this.transparent = true; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.fog = source.fog; + return this; + } + } + class RawShaderMaterial extends ShaderMaterial { + constructor( parameters ) { + super( parameters ); + this.isRawShaderMaterial = true; + this.type = 'RawShaderMaterial'; + } + } + class MeshStandardMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshStandardMaterial = true; + this.type = 'MeshStandardMaterial'; + this.defines = { 'STANDARD': '' }; + this.color = new Color( 0xffffff ); + this.roughness = 1.0; + this.metalness = 0.0; + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1.0; + this.aoMap = null; + this.aoMapIntensity = 1.0; + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.roughnessMap = null; + this.metalnessMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.envMapIntensity = 1.0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + this.flatShading = false; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.defines = { 'STANDARD': '' }; + this.color.copy( source.color ); + this.roughness = source.roughness; + this.metalness = source.metalness; + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.roughnessMap = source.roughnessMap; + this.metalnessMap = source.metalnessMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.envMapIntensity = source.envMapIntensity; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } + } + class MeshPhysicalMaterial extends MeshStandardMaterial { + constructor( parameters ) { + super(); + this.isMeshPhysicalMaterial = true; + this.defines = { + 'STANDARD': '', + 'PHYSICAL': '' + }; + this.type = 'MeshPhysicalMaterial'; + this.anisotropyRotation = 0; + this.anisotropyMap = null; + this.clearcoatMap = null; + this.clearcoatRoughness = 0.0; + this.clearcoatRoughnessMap = null; + this.clearcoatNormalScale = new Vector2( 1, 1 ); + this.clearcoatNormalMap = null; + this.ior = 1.5; + Object.defineProperty( this, 'reflectivity', { + get: function () { + return ( clamp( 2.5 * ( this.ior - 1 ) / ( this.ior + 1 ), 0, 1 ) ); + }, + set: function ( reflectivity ) { + this.ior = ( 1 + 0.4 * reflectivity ) / ( 1 - 0.4 * reflectivity ); + } + } ); + this.iridescenceMap = null; + this.iridescenceIOR = 1.3; + this.iridescenceThicknessRange = [ 100, 400 ]; + this.iridescenceThicknessMap = null; + this.sheenColor = new Color( 0x000000 ); + this.sheenColorMap = null; + this.sheenRoughness = 1.0; + this.sheenRoughnessMap = null; + this.transmissionMap = null; + this.thickness = 0; + this.thicknessMap = null; + this.attenuationDistance = Infinity; + this.attenuationColor = new Color( 1, 1, 1 ); + this.specularIntensity = 1.0; + this.specularIntensityMap = null; + this.specularColor = new Color( 1, 1, 1 ); + this.specularColorMap = null; + this._anisotropy = 0; + this._clearcoat = 0; + this._dispersion = 0; + this._iridescence = 0; + this._sheen = 0.0; + this._transmission = 0; + this.setValues( parameters ); + } + get anisotropy() { + return this._anisotropy; + } + set anisotropy( value ) { + if ( this._anisotropy > 0 !== value > 0 ) { + this.version ++; + } + this._anisotropy = value; + } + get clearcoat() { + return this._clearcoat; + } + set clearcoat( value ) { + if ( this._clearcoat > 0 !== value > 0 ) { + this.version ++; + } + this._clearcoat = value; + } + get iridescence() { + return this._iridescence; + } + set iridescence( value ) { + if ( this._iridescence > 0 !== value > 0 ) { + this.version ++; + } + this._iridescence = value; + } + get dispersion() { + return this._dispersion; + } + set dispersion( value ) { + if ( this._dispersion > 0 !== value > 0 ) { + this.version ++; + } + this._dispersion = value; + } + get sheen() { + return this._sheen; + } + set sheen( value ) { + if ( this._sheen > 0 !== value > 0 ) { + this.version ++; + } + this._sheen = value; + } + get transmission() { + return this._transmission; + } + set transmission( value ) { + if ( this._transmission > 0 !== value > 0 ) { + this.version ++; + } + this._transmission = value; + } + copy( source ) { + super.copy( source ); + this.defines = { + 'STANDARD': '', + 'PHYSICAL': '' + }; + this.anisotropy = source.anisotropy; + this.anisotropyRotation = source.anisotropyRotation; + this.anisotropyMap = source.anisotropyMap; + this.clearcoat = source.clearcoat; + this.clearcoatMap = source.clearcoatMap; + this.clearcoatRoughness = source.clearcoatRoughness; + this.clearcoatRoughnessMap = source.clearcoatRoughnessMap; + this.clearcoatNormalMap = source.clearcoatNormalMap; + this.clearcoatNormalScale.copy( source.clearcoatNormalScale ); + this.dispersion = source.dispersion; + this.ior = source.ior; + this.iridescence = source.iridescence; + this.iridescenceMap = source.iridescenceMap; + this.iridescenceIOR = source.iridescenceIOR; + this.iridescenceThicknessRange = [ ...source.iridescenceThicknessRange ]; + this.iridescenceThicknessMap = source.iridescenceThicknessMap; + this.sheen = source.sheen; + this.sheenColor.copy( source.sheenColor ); + this.sheenColorMap = source.sheenColorMap; + this.sheenRoughness = source.sheenRoughness; + this.sheenRoughnessMap = source.sheenRoughnessMap; + this.transmission = source.transmission; + this.transmissionMap = source.transmissionMap; + this.thickness = source.thickness; + this.thicknessMap = source.thicknessMap; + this.attenuationDistance = source.attenuationDistance; + this.attenuationColor.copy( source.attenuationColor ); + this.specularIntensity = source.specularIntensity; + this.specularIntensityMap = source.specularIntensityMap; + this.specularColor.copy( source.specularColor ); + this.specularColorMap = source.specularColorMap; + return this; + } + } + class MeshPhongMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshPhongMaterial = true; + this.type = 'MeshPhongMaterial'; + this.color = new Color( 0xffffff ); + this.specular = new Color( 0x111111 ); + this.shininess = 30; + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1.0; + this.aoMap = null; + this.aoMapIntensity = 1.0; + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + this.flatShading = false; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.specular.copy( source.specular ); + this.shininess = source.shininess; + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } + } + class MeshToonMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshToonMaterial = true; + this.defines = { 'TOON': '' }; + this.type = 'MeshToonMaterial'; + this.color = new Color( 0xffffff ); + this.map = null; + this.gradientMap = null; + this.lightMap = null; + this.lightMapIntensity = 1.0; + this.aoMap = null; + this.aoMapIntensity = 1.0; + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.alphaMap = null; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.map = source.map; + this.gradientMap = source.gradientMap; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.alphaMap = source.alphaMap; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.fog = source.fog; + return this; + } + } + class MeshNormalMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshNormalMaterial = true; + this.type = 'MeshNormalMaterial'; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.flatShading = false; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.flatShading = source.flatShading; + return this; + } + } + class MeshLambertMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshLambertMaterial = true; + this.type = 'MeshLambertMaterial'; + this.color = new Color( 0xffffff ); + this.map = null; + this.lightMap = null; + this.lightMapIntensity = 1.0; + this.aoMap = null; + this.aoMapIntensity = 1.0; + this.emissive = new Color( 0x000000 ); + this.emissiveIntensity = 1.0; + this.emissiveMap = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.specularMap = null; + this.alphaMap = null; + this.envMap = null; + this.envMapRotation = new Euler(); + this.combine = MultiplyOperation; + this.reflectivity = 1; + this.refractionRatio = 0.98; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.wireframeLinecap = 'round'; + this.wireframeLinejoin = 'round'; + this.flatShading = false; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.color.copy( source.color ); + this.map = source.map; + this.lightMap = source.lightMap; + this.lightMapIntensity = source.lightMapIntensity; + this.aoMap = source.aoMap; + this.aoMapIntensity = source.aoMapIntensity; + this.emissive.copy( source.emissive ); + this.emissiveMap = source.emissiveMap; + this.emissiveIntensity = source.emissiveIntensity; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.specularMap = source.specularMap; + this.alphaMap = source.alphaMap; + this.envMap = source.envMap; + this.envMapRotation.copy( source.envMapRotation ); + this.combine = source.combine; + this.reflectivity = source.reflectivity; + this.refractionRatio = source.refractionRatio; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + this.wireframeLinecap = source.wireframeLinecap; + this.wireframeLinejoin = source.wireframeLinejoin; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } + } + class MeshDepthMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshDepthMaterial = true; + this.type = 'MeshDepthMaterial'; + this.depthPacking = BasicDepthPacking; + this.map = null; + this.alphaMap = null; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.wireframe = false; + this.wireframeLinewidth = 1; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.depthPacking = source.depthPacking; + this.map = source.map; + this.alphaMap = source.alphaMap; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.wireframe = source.wireframe; + this.wireframeLinewidth = source.wireframeLinewidth; + return this; + } + } + class MeshDistanceMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshDistanceMaterial = true; + this.type = 'MeshDistanceMaterial'; + this.map = null; + this.alphaMap = null; + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.map = source.map; + this.alphaMap = source.alphaMap; + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + return this; + } + } + class MeshMatcapMaterial extends Material { + constructor( parameters ) { + super(); + this.isMeshMatcapMaterial = true; + this.defines = { 'MATCAP': '' }; + this.type = 'MeshMatcapMaterial'; + this.color = new Color( 0xffffff ); + this.matcap = null; + this.map = null; + this.bumpMap = null; + this.bumpScale = 1; + this.normalMap = null; + this.normalMapType = TangentSpaceNormalMap; + this.normalScale = new Vector2( 1, 1 ); + this.displacementMap = null; + this.displacementScale = 1; + this.displacementBias = 0; + this.alphaMap = null; + this.flatShading = false; + this.fog = true; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.defines = { 'MATCAP': '' }; + this.color.copy( source.color ); + this.matcap = source.matcap; + this.map = source.map; + this.bumpMap = source.bumpMap; + this.bumpScale = source.bumpScale; + this.normalMap = source.normalMap; + this.normalMapType = source.normalMapType; + this.normalScale.copy( source.normalScale ); + this.displacementMap = source.displacementMap; + this.displacementScale = source.displacementScale; + this.displacementBias = source.displacementBias; + this.alphaMap = source.alphaMap; + this.flatShading = source.flatShading; + this.fog = source.fog; + return this; + } + } + class LineDashedMaterial extends LineBasicMaterial { + constructor( parameters ) { + super(); + this.isLineDashedMaterial = true; + this.type = 'LineDashedMaterial'; + this.scale = 1; + this.dashSize = 3; + this.gapSize = 1; + this.setValues( parameters ); + } + copy( source ) { + super.copy( source ); + this.scale = source.scale; + this.dashSize = source.dashSize; + this.gapSize = source.gapSize; + return this; + } + } + function convertArray( array, type ) { + if ( ! array || array.constructor === type ) return array; + if ( typeof type.BYTES_PER_ELEMENT === 'number' ) { + return new type( array ); + } + return Array.prototype.slice.call( array ); + } + function isTypedArray( object ) { + return ArrayBuffer.isView( object ) && ! ( object instanceof DataView ); + } + function getKeyframeOrder( times ) { + function compareTime( i, j ) { + return times[ i ] - times[ j ]; + } + const n = times.length; + const result = new Array( n ); + for ( let i = 0; i !== n; ++ i ) result[ i ] = i; + result.sort( compareTime ); + return result; + } + function sortedArray( values, stride, order ) { + const nValues = values.length; + const result = new values.constructor( nValues ); + for ( let i = 0, dstOffset = 0; dstOffset !== nValues; ++ i ) { + const srcOffset = order[ i ] * stride; + for ( let j = 0; j !== stride; ++ j ) { + result[ dstOffset ++ ] = values[ srcOffset + j ]; + } + } + return result; + } + function flattenJSON( jsonKeys, times, values, valuePropertyName ) { + let i = 1, key = jsonKeys[ 0 ]; + while ( key !== undefined && key[ valuePropertyName ] === undefined ) { + key = jsonKeys[ i ++ ]; + } + if ( key === undefined ) return; + let value = key[ valuePropertyName ]; + if ( value === undefined ) return; + if ( Array.isArray( value ) ) { + do { + value = key[ valuePropertyName ]; + if ( value !== undefined ) { + times.push( key.time ); + values.push( ...value ); + } + key = jsonKeys[ i ++ ]; + } while ( key !== undefined ); + } else if ( value.toArray !== undefined ) { + do { + value = key[ valuePropertyName ]; + if ( value !== undefined ) { + times.push( key.time ); + value.toArray( values, values.length ); + } + key = jsonKeys[ i ++ ]; + } while ( key !== undefined ); + } else { + do { + value = key[ valuePropertyName ]; + if ( value !== undefined ) { + times.push( key.time ); + values.push( value ); + } + key = jsonKeys[ i ++ ]; + } while ( key !== undefined ); + } + } + function subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) { + const clip = sourceClip.clone(); + clip.name = name; + const tracks = []; + for ( let i = 0; i < clip.tracks.length; ++ i ) { + const track = clip.tracks[ i ]; + const valueSize = track.getValueSize(); + const times = []; + const values = []; + for ( let j = 0; j < track.times.length; ++ j ) { + const frame = track.times[ j ] * fps; + if ( frame < startFrame || frame >= endFrame ) continue; + times.push( track.times[ j ] ); + for ( let k = 0; k < valueSize; ++ k ) { + values.push( track.values[ j * valueSize + k ] ); + } + } + if ( times.length === 0 ) continue; + track.times = convertArray( times, track.times.constructor ); + track.values = convertArray( values, track.values.constructor ); + tracks.push( track ); + } + clip.tracks = tracks; + let minStartTime = Infinity; + for ( let i = 0; i < clip.tracks.length; ++ i ) { + if ( minStartTime > clip.tracks[ i ].times[ 0 ] ) { + minStartTime = clip.tracks[ i ].times[ 0 ]; + } + } + for ( let i = 0; i < clip.tracks.length; ++ i ) { + clip.tracks[ i ].shift( -1 * minStartTime ); + } + clip.resetDuration(); + return clip; + } + function makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) { + if ( fps <= 0 ) fps = 30; + const numTracks = referenceClip.tracks.length; + const referenceTime = referenceFrame / fps; + for ( let i = 0; i < numTracks; ++ i ) { + const referenceTrack = referenceClip.tracks[ i ]; + const referenceTrackType = referenceTrack.ValueTypeName; + if ( referenceTrackType === 'bool' || referenceTrackType === 'string' ) continue; + const targetTrack = targetClip.tracks.find( function ( track ) { + return track.name === referenceTrack.name + && track.ValueTypeName === referenceTrackType; + } ); + if ( targetTrack === undefined ) continue; + let referenceOffset = 0; + const referenceValueSize = referenceTrack.getValueSize(); + if ( referenceTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) { + referenceOffset = referenceValueSize / 3; + } + let targetOffset = 0; + const targetValueSize = targetTrack.getValueSize(); + if ( targetTrack.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline ) { + targetOffset = targetValueSize / 3; + } + const lastIndex = referenceTrack.times.length - 1; + let referenceValue; + if ( referenceTime <= referenceTrack.times[ 0 ] ) { + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice( startIndex, endIndex ); + } else if ( referenceTime >= referenceTrack.times[ lastIndex ] ) { + const startIndex = lastIndex * referenceValueSize + referenceOffset; + const endIndex = startIndex + referenceValueSize - referenceOffset; + referenceValue = referenceTrack.values.slice( startIndex, endIndex ); + } else { + const interpolant = referenceTrack.createInterpolant(); + const startIndex = referenceOffset; + const endIndex = referenceValueSize - referenceOffset; + interpolant.evaluate( referenceTime ); + referenceValue = interpolant.resultBuffer.slice( startIndex, endIndex ); + } + if ( referenceTrackType === 'quaternion' ) { + const referenceQuat = new Quaternion().fromArray( referenceValue ).normalize().conjugate(); + referenceQuat.toArray( referenceValue ); + } + const numTimes = targetTrack.times.length; + for ( let j = 0; j < numTimes; ++ j ) { + const valueStart = j * targetValueSize + targetOffset; + if ( referenceTrackType === 'quaternion' ) { + Quaternion.multiplyQuaternionsFlat( + targetTrack.values, + valueStart, + referenceValue, + 0, + targetTrack.values, + valueStart + ); + } else { + const valueEnd = targetValueSize - targetOffset * 2; + for ( let k = 0; k < valueEnd; ++ k ) { + targetTrack.values[ valueStart + k ] -= referenceValue[ k ]; + } + } + } + } + targetClip.blendMode = AdditiveAnimationBlendMode; + return targetClip; + } + class AnimationUtils { + static convertArray( array, type ) { + return convertArray( array, type ); + } + static isTypedArray( object ) { + return isTypedArray( object ); + } + static getKeyframeOrder( times ) { + return getKeyframeOrder( times ); + } + static sortedArray( values, stride, order ) { + return sortedArray( values, stride, order ); + } + static flattenJSON( jsonKeys, times, values, valuePropertyName ) { + flattenJSON( jsonKeys, times, values, valuePropertyName ); + } + static subclip( sourceClip, name, startFrame, endFrame, fps = 30 ) { + return subclip( sourceClip, name, startFrame, endFrame, fps ); + } + static makeClipAdditive( targetClip, referenceFrame = 0, referenceClip = targetClip, fps = 30 ) { + return makeClipAdditive( targetClip, referenceFrame, referenceClip, fps ); + } + } + class Interpolant { + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + this.parameterPositions = parameterPositions; + this._cachedIndex = 0; + this.resultBuffer = resultBuffer !== undefined ? resultBuffer : new sampleValues.constructor( sampleSize ); + this.sampleValues = sampleValues; + this.valueSize = sampleSize; + this.settings = null; + this.DefaultSettings_ = {}; + } + evaluate( t ) { + const pp = this.parameterPositions; + let i1 = this._cachedIndex, + t1 = pp[ i1 ], + t0 = pp[ i1 - 1 ]; + validate_interval: { + seek: { + let right; + linear_scan: { + forward_scan: if ( ! ( t < t1 ) ) { + for ( let giveUpAt = i1 + 2; ; ) { + if ( t1 === undefined ) { + if ( t < t0 ) break forward_scan; + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_( i1 - 1 ); + } + if ( i1 === giveUpAt ) break; + t0 = t1; + t1 = pp[ ++ i1 ]; + if ( t < t1 ) { + break seek; + } + } + right = pp.length; + break linear_scan; + } + if ( ! ( t >= t0 ) ) { + const t1global = pp[ 1 ]; + if ( t < t1global ) { + i1 = 2; + t0 = t1global; + } + for ( let giveUpAt = i1 - 2; ; ) { + if ( t0 === undefined ) { + this._cachedIndex = 0; + return this.copySampleValue_( 0 ); + } + if ( i1 === giveUpAt ) break; + t1 = t0; + t0 = pp[ -- i1 - 1 ]; + if ( t >= t0 ) { + break seek; + } + } + right = i1; + i1 = 0; + break linear_scan; + } + break validate_interval; + } + while ( i1 < right ) { + const mid = ( i1 + right ) >>> 1; + if ( t < pp[ mid ] ) { + right = mid; + } else { + i1 = mid + 1; + } + } + t1 = pp[ i1 ]; + t0 = pp[ i1 - 1 ]; + if ( t0 === undefined ) { + this._cachedIndex = 0; + return this.copySampleValue_( 0 ); + } + if ( t1 === undefined ) { + i1 = pp.length; + this._cachedIndex = i1; + return this.copySampleValue_( i1 - 1 ); + } + } + this._cachedIndex = i1; + this.intervalChanged_( i1, t0, t1 ); + } + return this.interpolate_( i1, t0, t, t1 ); + } + getSettings_() { + return this.settings || this.DefaultSettings_; + } + copySampleValue_( index ) { + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset = index * stride; + for ( let i = 0; i !== stride; ++ i ) { + result[ i ] = values[ offset + i ]; + } + return result; + } + interpolate_( ) { + throw new Error( 'call to abstract method' ); + } + intervalChanged_( ) { + } + } + class CubicInterpolant extends Interpolant { + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + this._weightPrev = -0; + this._offsetPrev = -0; + this._weightNext = -0; + this._offsetNext = -0; + this.DefaultSettings_ = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + } + intervalChanged_( i1, t0, t1 ) { + const pp = this.parameterPositions; + let iPrev = i1 - 2, + iNext = i1 + 1, + tPrev = pp[ iPrev ], + tNext = pp[ iNext ]; + if ( tPrev === undefined ) { + switch ( this.getSettings_().endingStart ) { + case ZeroSlopeEnding: + iPrev = i1; + tPrev = 2 * t0 - t1; + break; + case WrapAroundEnding: + iPrev = pp.length - 2; + tPrev = t0 + pp[ iPrev ] - pp[ iPrev + 1 ]; + break; + default: + iPrev = i1; + tPrev = t1; + } + } + if ( tNext === undefined ) { + switch ( this.getSettings_().endingEnd ) { + case ZeroSlopeEnding: + iNext = i1; + tNext = 2 * t1 - t0; + break; + case WrapAroundEnding: + iNext = 1; + tNext = t1 + pp[ 1 ] - pp[ 0 ]; + break; + default: + iNext = i1 - 1; + tNext = t0; + } + } + const halfDt = ( t1 - t0 ) * 0.5, + stride = this.valueSize; + this._weightPrev = halfDt / ( t0 - tPrev ); + this._weightNext = halfDt / ( tNext - t1 ); + this._offsetPrev = iPrev * stride; + this._offsetNext = iNext * stride; + } + interpolate_( i1, t0, t, t1 ) { + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + o1 = i1 * stride, o0 = o1 - stride, + oP = this._offsetPrev, oN = this._offsetNext, + wP = this._weightPrev, wN = this._weightNext, + p = ( t - t0 ) / ( t1 - t0 ), + pp = p * p, + ppp = pp * p; + const sP = - wP * ppp + 2 * wP * pp - wP * p; + const s0 = ( 1 + wP ) * ppp + ( -1.5 - 2 * wP ) * pp + ( -0.5 + wP ) * p + 1; + const s1 = ( -1 - wN ) * ppp + ( 1.5 + wN ) * pp + 0.5 * p; + const sN = wN * ppp - wN * pp; + for ( let i = 0; i !== stride; ++ i ) { + result[ i ] = + sP * values[ oP + i ] + + s0 * values[ o0 + i ] + + s1 * values[ o1 + i ] + + sN * values[ oN + i ]; + } + return result; + } + } + class LinearInterpolant extends Interpolant { + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + } + interpolate_( i1, t0, t, t1 ) { + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + offset1 = i1 * stride, + offset0 = offset1 - stride, + weight1 = ( t - t0 ) / ( t1 - t0 ), + weight0 = 1 - weight1; + for ( let i = 0; i !== stride; ++ i ) { + result[ i ] = + values[ offset0 + i ] * weight0 + + values[ offset1 + i ] * weight1; + } + return result; + } + } + class DiscreteInterpolant extends Interpolant { + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + } + interpolate_( i1 ) { + return this.copySampleValue_( i1 - 1 ); + } + } + class KeyframeTrack { + constructor( name, times, values, interpolation ) { + if ( name === undefined ) throw new Error( 'THREE.KeyframeTrack: track name is undefined' ); + if ( times === undefined || times.length === 0 ) throw new Error( 'THREE.KeyframeTrack: no keyframes in track named ' + name ); + this.name = name; + this.times = convertArray( times, this.TimeBufferType ); + this.values = convertArray( values, this.ValueBufferType ); + this.setInterpolation( interpolation || this.DefaultInterpolation ); + } + static toJSON( track ) { + const trackType = track.constructor; + let json; + if ( trackType.toJSON !== this.toJSON ) { + json = trackType.toJSON( track ); + } else { + json = { + 'name': track.name, + 'times': convertArray( track.times, Array ), + 'values': convertArray( track.values, Array ) + }; + const interpolation = track.getInterpolation(); + if ( interpolation !== track.DefaultInterpolation ) { + json.interpolation = interpolation; + } + } + json.type = track.ValueTypeName; + return json; + } + InterpolantFactoryMethodDiscrete( result ) { + return new DiscreteInterpolant( this.times, this.values, this.getValueSize(), result ); + } + InterpolantFactoryMethodLinear( result ) { + return new LinearInterpolant( this.times, this.values, this.getValueSize(), result ); + } + InterpolantFactoryMethodSmooth( result ) { + return new CubicInterpolant( this.times, this.values, this.getValueSize(), result ); + } + setInterpolation( interpolation ) { + let factoryMethod; + switch ( interpolation ) { + case InterpolateDiscrete: + factoryMethod = this.InterpolantFactoryMethodDiscrete; + break; + case InterpolateLinear: + factoryMethod = this.InterpolantFactoryMethodLinear; + break; + case InterpolateSmooth: + factoryMethod = this.InterpolantFactoryMethodSmooth; + break; + } + if ( factoryMethod === undefined ) { + const message = 'unsupported interpolation for ' + + this.ValueTypeName + ' keyframe track named ' + this.name; + if ( this.createInterpolant === undefined ) { + if ( interpolation !== this.DefaultInterpolation ) { + this.setInterpolation( this.DefaultInterpolation ); + } else { + throw new Error( message ); + } + } + console.warn( 'THREE.KeyframeTrack:', message ); + return this; + } + this.createInterpolant = factoryMethod; + return this; + } + getInterpolation() { + switch ( this.createInterpolant ) { + case this.InterpolantFactoryMethodDiscrete: + return InterpolateDiscrete; + case this.InterpolantFactoryMethodLinear: + return InterpolateLinear; + case this.InterpolantFactoryMethodSmooth: + return InterpolateSmooth; + } + } + getValueSize() { + return this.values.length / this.times.length; + } + shift( timeOffset ) { + if ( timeOffset !== 0.0 ) { + const times = this.times; + for ( let i = 0, n = times.length; i !== n; ++ i ) { + times[ i ] += timeOffset; + } + } + return this; + } + scale( timeScale ) { + if ( timeScale !== 1.0 ) { + const times = this.times; + for ( let i = 0, n = times.length; i !== n; ++ i ) { + times[ i ] *= timeScale; + } + } + return this; + } + trim( startTime, endTime ) { + const times = this.times, + nKeys = times.length; + let from = 0, + to = nKeys - 1; + while ( from !== nKeys && times[ from ] < startTime ) { + ++ from; + } + while ( to !== -1 && times[ to ] > endTime ) { + -- to; + } + ++ to; + if ( from !== 0 || to !== nKeys ) { + if ( from >= to ) { + to = Math.max( to, 1 ); + from = to - 1; + } + const stride = this.getValueSize(); + this.times = times.slice( from, to ); + this.values = this.values.slice( from * stride, to * stride ); + } + return this; + } + validate() { + let valid = true; + const valueSize = this.getValueSize(); + if ( valueSize - Math.floor( valueSize ) !== 0 ) { + console.error( 'THREE.KeyframeTrack: Invalid value size in track.', this ); + valid = false; + } + const times = this.times, + values = this.values, + nKeys = times.length; + if ( nKeys === 0 ) { + console.error( 'THREE.KeyframeTrack: Track is empty.', this ); + valid = false; + } + let prevTime = null; + for ( let i = 0; i !== nKeys; i ++ ) { + const currTime = times[ i ]; + if ( typeof currTime === 'number' && isNaN( currTime ) ) { + console.error( 'THREE.KeyframeTrack: Time is not a valid number.', this, i, currTime ); + valid = false; + break; + } + if ( prevTime !== null && prevTime > currTime ) { + console.error( 'THREE.KeyframeTrack: Out of order keys.', this, i, currTime, prevTime ); + valid = false; + break; + } + prevTime = currTime; + } + if ( values !== undefined ) { + if ( isTypedArray( values ) ) { + for ( let i = 0, n = values.length; i !== n; ++ i ) { + const value = values[ i ]; + if ( isNaN( value ) ) { + console.error( 'THREE.KeyframeTrack: Value is not a valid number.', this, i, value ); + valid = false; + break; + } + } + } + } + return valid; + } + optimize() { + const times = this.times.slice(), + values = this.values.slice(), + stride = this.getValueSize(), + smoothInterpolation = this.getInterpolation() === InterpolateSmooth, + lastIndex = times.length - 1; + let writeIndex = 1; + for ( let i = 1; i < lastIndex; ++ i ) { + let keep = false; + const time = times[ i ]; + const timeNext = times[ i + 1 ]; + if ( time !== timeNext && ( i !== 1 || time !== times[ 0 ] ) ) { + if ( ! smoothInterpolation ) { + const offset = i * stride, + offsetP = offset - stride, + offsetN = offset + stride; + for ( let j = 0; j !== stride; ++ j ) { + const value = values[ offset + j ]; + if ( value !== values[ offsetP + j ] || + value !== values[ offsetN + j ] ) { + keep = true; + break; + } + } + } else { + keep = true; + } + } + if ( keep ) { + if ( i !== writeIndex ) { + times[ writeIndex ] = times[ i ]; + const readOffset = i * stride, + writeOffset = writeIndex * stride; + for ( let j = 0; j !== stride; ++ j ) { + values[ writeOffset + j ] = values[ readOffset + j ]; + } + } + ++ writeIndex; + } + } + if ( lastIndex > 0 ) { + times[ writeIndex ] = times[ lastIndex ]; + for ( let readOffset = lastIndex * stride, writeOffset = writeIndex * stride, j = 0; j !== stride; ++ j ) { + values[ writeOffset + j ] = values[ readOffset + j ]; + } + ++ writeIndex; + } + if ( writeIndex !== times.length ) { + this.times = times.slice( 0, writeIndex ); + this.values = values.slice( 0, writeIndex * stride ); + } else { + this.times = times; + this.values = values; + } + return this; + } + clone() { + const times = this.times.slice(); + const values = this.values.slice(); + const TypedKeyframeTrack = this.constructor; + const track = new TypedKeyframeTrack( this.name, times, values ); + track.createInterpolant = this.createInterpolant; + return track; + } + } + KeyframeTrack.prototype.ValueTypeName = ''; + KeyframeTrack.prototype.TimeBufferType = Float32Array; + KeyframeTrack.prototype.ValueBufferType = Float32Array; + KeyframeTrack.prototype.DefaultInterpolation = InterpolateLinear; + class BooleanKeyframeTrack extends KeyframeTrack { + constructor( name, times, values ) { + super( name, times, values ); + } + } + BooleanKeyframeTrack.prototype.ValueTypeName = 'bool'; + BooleanKeyframeTrack.prototype.ValueBufferType = Array; + BooleanKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; + BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined; + BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + class ColorKeyframeTrack extends KeyframeTrack { + constructor( name, times, values, interpolation ) { + super( name, times, values, interpolation ); + } + } + ColorKeyframeTrack.prototype.ValueTypeName = 'color'; + class NumberKeyframeTrack extends KeyframeTrack { + constructor( name, times, values, interpolation ) { + super( name, times, values, interpolation ); + } + } + NumberKeyframeTrack.prototype.ValueTypeName = 'number'; + class QuaternionLinearInterpolant extends Interpolant { + constructor( parameterPositions, sampleValues, sampleSize, resultBuffer ) { + super( parameterPositions, sampleValues, sampleSize, resultBuffer ); + } + interpolate_( i1, t0, t, t1 ) { + const result = this.resultBuffer, + values = this.sampleValues, + stride = this.valueSize, + alpha = ( t - t0 ) / ( t1 - t0 ); + let offset = i1 * stride; + for ( let end = offset + stride; offset !== end; offset += 4 ) { + Quaternion.slerpFlat( result, 0, values, offset - stride, values, offset, alpha ); + } + return result; + } + } + class QuaternionKeyframeTrack extends KeyframeTrack { + constructor( name, times, values, interpolation ) { + super( name, times, values, interpolation ); + } + InterpolantFactoryMethodLinear( result ) { + return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result ); + } + } + QuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion'; + QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + class StringKeyframeTrack extends KeyframeTrack { + constructor( name, times, values ) { + super( name, times, values ); + } + } + StringKeyframeTrack.prototype.ValueTypeName = 'string'; + StringKeyframeTrack.prototype.ValueBufferType = Array; + StringKeyframeTrack.prototype.DefaultInterpolation = InterpolateDiscrete; + StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear = undefined; + StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined; + class VectorKeyframeTrack extends KeyframeTrack { + constructor( name, times, values, interpolation ) { + super( name, times, values, interpolation ); + } + } + VectorKeyframeTrack.prototype.ValueTypeName = 'vector'; + class AnimationClip { + constructor( name = '', duration = -1, tracks = [], blendMode = NormalAnimationBlendMode ) { + this.name = name; + this.tracks = tracks; + this.duration = duration; + this.blendMode = blendMode; + this.uuid = generateUUID(); + if ( this.duration < 0 ) { + this.resetDuration(); + } + } + static parse( json ) { + const tracks = [], + jsonTracks = json.tracks, + frameTime = 1.0 / ( json.fps || 1.0 ); + for ( let i = 0, n = jsonTracks.length; i !== n; ++ i ) { + tracks.push( parseKeyframeTrack( jsonTracks[ i ] ).scale( frameTime ) ); + } + const clip = new this( json.name, json.duration, tracks, json.blendMode ); + clip.uuid = json.uuid; + return clip; + } + static toJSON( clip ) { + const tracks = [], + clipTracks = clip.tracks; + const json = { + 'name': clip.name, + 'duration': clip.duration, + 'tracks': tracks, + 'uuid': clip.uuid, + 'blendMode': clip.blendMode + }; + for ( let i = 0, n = clipTracks.length; i !== n; ++ i ) { + tracks.push( KeyframeTrack.toJSON( clipTracks[ i ] ) ); + } + return json; + } + static CreateFromMorphTargetSequence( name, morphTargetSequence, fps, noLoop ) { + const numMorphTargets = morphTargetSequence.length; + const tracks = []; + for ( let i = 0; i < numMorphTargets; i ++ ) { + let times = []; + let values = []; + times.push( + ( i + numMorphTargets - 1 ) % numMorphTargets, + i, + ( i + 1 ) % numMorphTargets ); + values.push( 0, 1, 0 ); + const order = getKeyframeOrder( times ); + times = sortedArray( times, 1, order ); + values = sortedArray( values, 1, order ); + if ( ! noLoop && times[ 0 ] === 0 ) { + times.push( numMorphTargets ); + values.push( values[ 0 ] ); + } + tracks.push( + new NumberKeyframeTrack( + '.morphTargetInfluences[' + morphTargetSequence[ i ].name + ']', + times, values + ).scale( 1.0 / fps ) ); + } + return new this( name, -1, tracks ); + } + static findByName( objectOrClipArray, name ) { + let clipArray = objectOrClipArray; + if ( ! Array.isArray( objectOrClipArray ) ) { + const o = objectOrClipArray; + clipArray = o.geometry && o.geometry.animations || o.animations; + } + for ( let i = 0; i < clipArray.length; i ++ ) { + if ( clipArray[ i ].name === name ) { + return clipArray[ i ]; + } + } + return null; + } + static CreateClipsFromMorphTargetSequences( morphTargets, fps, noLoop ) { + const animationToMorphTargets = {}; + const pattern = /^([\w-]*?)([\d]+)$/; + for ( let i = 0, il = morphTargets.length; i < il; i ++ ) { + const morphTarget = morphTargets[ i ]; + const parts = morphTarget.name.match( pattern ); + if ( parts && parts.length > 1 ) { + const name = parts[ 1 ]; + let animationMorphTargets = animationToMorphTargets[ name ]; + if ( ! animationMorphTargets ) { + animationToMorphTargets[ name ] = animationMorphTargets = []; + } + animationMorphTargets.push( morphTarget ); + } + } + const clips = []; + for ( const name in animationToMorphTargets ) { + clips.push( this.CreateFromMorphTargetSequence( name, animationToMorphTargets[ name ], fps, noLoop ) ); + } + return clips; + } + static parseAnimation( animation, bones ) { + console.warn( 'THREE.AnimationClip: parseAnimation() is deprecated and will be removed with r185' ); + if ( ! animation ) { + console.error( 'THREE.AnimationClip: No animation in JSONLoader data.' ); + return null; + } + const addNonemptyTrack = function ( trackType, trackName, animationKeys, propertyName, destTracks ) { + if ( animationKeys.length !== 0 ) { + const times = []; + const values = []; + flattenJSON( animationKeys, times, values, propertyName ); + if ( times.length !== 0 ) { + destTracks.push( new trackType( trackName, times, values ) ); + } + } + }; + const tracks = []; + const clipName = animation.name || 'default'; + const fps = animation.fps || 30; + const blendMode = animation.blendMode; + let duration = animation.length || -1; + const hierarchyTracks = animation.hierarchy || []; + for ( let h = 0; h < hierarchyTracks.length; h ++ ) { + const animationKeys = hierarchyTracks[ h ].keys; + if ( ! animationKeys || animationKeys.length === 0 ) continue; + if ( animationKeys[ 0 ].morphTargets ) { + const morphTargetNames = {}; + let k; + for ( k = 0; k < animationKeys.length; k ++ ) { + if ( animationKeys[ k ].morphTargets ) { + for ( let m = 0; m < animationKeys[ k ].morphTargets.length; m ++ ) { + morphTargetNames[ animationKeys[ k ].morphTargets[ m ] ] = -1; + } + } + } + for ( const morphTargetName in morphTargetNames ) { + const times = []; + const values = []; + for ( let m = 0; m !== animationKeys[ k ].morphTargets.length; ++ m ) { + const animationKey = animationKeys[ k ]; + times.push( animationKey.time ); + values.push( ( animationKey.morphTarget === morphTargetName ) ? 1 : 0 ); + } + tracks.push( new NumberKeyframeTrack( '.morphTargetInfluence[' + morphTargetName + ']', times, values ) ); + } + duration = morphTargetNames.length * fps; + } else { + const boneName = '.bones[' + bones[ h ].name + ']'; + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.position', + animationKeys, 'pos', tracks ); + addNonemptyTrack( + QuaternionKeyframeTrack, boneName + '.quaternion', + animationKeys, 'rot', tracks ); + addNonemptyTrack( + VectorKeyframeTrack, boneName + '.scale', + animationKeys, 'scl', tracks ); + } + } + if ( tracks.length === 0 ) { + return null; + } + const clip = new this( clipName, duration, tracks, blendMode ); + return clip; + } + resetDuration() { + const tracks = this.tracks; + let duration = 0; + for ( let i = 0, n = tracks.length; i !== n; ++ i ) { + const track = this.tracks[ i ]; + duration = Math.max( duration, track.times[ track.times.length - 1 ] ); + } + this.duration = duration; + return this; + } + trim() { + for ( let i = 0; i < this.tracks.length; i ++ ) { + this.tracks[ i ].trim( 0, this.duration ); + } + return this; + } + validate() { + let valid = true; + for ( let i = 0; i < this.tracks.length; i ++ ) { + valid = valid && this.tracks[ i ].validate(); + } + return valid; + } + optimize() { + for ( let i = 0; i < this.tracks.length; i ++ ) { + this.tracks[ i ].optimize(); + } + return this; + } + clone() { + const tracks = []; + for ( let i = 0; i < this.tracks.length; i ++ ) { + tracks.push( this.tracks[ i ].clone() ); + } + return new this.constructor( this.name, this.duration, tracks, this.blendMode ); + } + toJSON() { + return this.constructor.toJSON( this ); + } + } + function getTrackTypeForValueTypeName( typeName ) { + switch ( typeName.toLowerCase() ) { + case 'scalar': + case 'double': + case 'float': + case 'number': + case 'integer': + return NumberKeyframeTrack; + case 'vector': + case 'vector2': + case 'vector3': + case 'vector4': + return VectorKeyframeTrack; + case 'color': + return ColorKeyframeTrack; + case 'quaternion': + return QuaternionKeyframeTrack; + case 'bool': + case 'boolean': + return BooleanKeyframeTrack; + case 'string': + return StringKeyframeTrack; + } + throw new Error( 'THREE.KeyframeTrack: Unsupported typeName: ' + typeName ); + } + function parseKeyframeTrack( json ) { + if ( json.type === undefined ) { + throw new Error( 'THREE.KeyframeTrack: track type undefined, can not parse' ); + } + const trackType = getTrackTypeForValueTypeName( json.type ); + if ( json.times === undefined ) { + const times = [], values = []; + flattenJSON( json.keys, times, values, 'value' ); + json.times = times; + json.values = values; + } + if ( trackType.parse !== undefined ) { + return trackType.parse( json ); + } else { + return new trackType( json.name, json.times, json.values, json.interpolation ); + } + } + const Cache = { + enabled: false, + files: {}, + add: function ( key, file ) { + if ( this.enabled === false ) return; + this.files[ key ] = file; + }, + get: function ( key ) { + if ( this.enabled === false ) return; + return this.files[ key ]; + }, + remove: function ( key ) { + delete this.files[ key ]; + }, + clear: function () { + this.files = {}; + } + }; + class LoadingManager { + constructor( onLoad, onProgress, onError ) { + const scope = this; + let isLoading = false; + let itemsLoaded = 0; + let itemsTotal = 0; + let urlModifier = undefined; + const handlers = []; + this.onStart = undefined; + this.onLoad = onLoad; + this.onProgress = onProgress; + this.onError = onError; + this.itemStart = function ( url ) { + itemsTotal ++; + if ( isLoading === false ) { + if ( scope.onStart !== undefined ) { + scope.onStart( url, itemsLoaded, itemsTotal ); + } + } + isLoading = true; + }; + this.itemEnd = function ( url ) { + itemsLoaded ++; + if ( scope.onProgress !== undefined ) { + scope.onProgress( url, itemsLoaded, itemsTotal ); + } + if ( itemsLoaded === itemsTotal ) { + isLoading = false; + if ( scope.onLoad !== undefined ) { + scope.onLoad(); + } + } + }; + this.itemError = function ( url ) { + if ( scope.onError !== undefined ) { + scope.onError( url ); + } + }; + this.resolveURL = function ( url ) { + if ( urlModifier ) { + return urlModifier( url ); + } + return url; + }; + this.setURLModifier = function ( transform ) { + urlModifier = transform; + return this; + }; + this.addHandler = function ( regex, loader ) { + handlers.push( regex, loader ); + return this; + }; + this.removeHandler = function ( regex ) { + const index = handlers.indexOf( regex ); + if ( index !== -1 ) { + handlers.splice( index, 2 ); + } + return this; + }; + this.getHandler = function ( file ) { + for ( let i = 0, l = handlers.length; i < l; i += 2 ) { + const regex = handlers[ i ]; + const loader = handlers[ i + 1 ]; + if ( regex.global ) regex.lastIndex = 0; + if ( regex.test( file ) ) { + return loader; + } + } + return null; + }; + } + } + const DefaultLoadingManager = new LoadingManager(); + class Loader { + constructor( manager ) { + this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager; + this.crossOrigin = 'anonymous'; + this.withCredentials = false; + this.path = ''; + this.resourcePath = ''; + this.requestHeader = {}; + } + load( ) {} + loadAsync( url, onProgress ) { + const scope = this; + return new Promise( function ( resolve, reject ) { + scope.load( url, resolve, onProgress, reject ); + } ); + } + parse( ) {} + setCrossOrigin( crossOrigin ) { + this.crossOrigin = crossOrigin; + return this; + } + setWithCredentials( value ) { + this.withCredentials = value; + return this; + } + setPath( path ) { + this.path = path; + return this; + } + setResourcePath( resourcePath ) { + this.resourcePath = resourcePath; + return this; + } + setRequestHeader( requestHeader ) { + this.requestHeader = requestHeader; + return this; + } + } + Loader.DEFAULT_MATERIAL_NAME = '__DEFAULT'; + const loading = {}; + class HttpError extends Error { + constructor( message, response ) { + super( message ); + this.response = response; + } + } + class FileLoader extends Loader { + constructor( manager ) { + super( manager ); + this.mimeType = ''; + this.responseType = ''; + } + load( url, onLoad, onProgress, onError ) { + if ( url === undefined ) url = ''; + if ( this.path !== undefined ) url = this.path + url; + url = this.manager.resolveURL( url ); + const cached = Cache.get( `file:${url}` ); + if ( cached !== undefined ) { + this.manager.itemStart( url ); + setTimeout( () => { + if ( onLoad ) onLoad( cached ); + this.manager.itemEnd( url ); + }, 0 ); + return cached; + } + if ( loading[ url ] !== undefined ) { + loading[ url ].push( { + onLoad: onLoad, + onProgress: onProgress, + onError: onError + } ); + return; + } + loading[ url ] = []; + loading[ url ].push( { + onLoad: onLoad, + onProgress: onProgress, + onError: onError, + } ); + const req = new Request( url, { + headers: new Headers( this.requestHeader ), + credentials: this.withCredentials ? 'include' : 'same-origin', + } ); + const mimeType = this.mimeType; + const responseType = this.responseType; + fetch( req ) + .then( response => { + if ( response.status === 200 || response.status === 0 ) { + if ( response.status === 0 ) { + console.warn( 'THREE.FileLoader: HTTP Status 0 received.' ); + } + if ( typeof ReadableStream === 'undefined' || response.body === undefined || response.body.getReader === undefined ) { + return response; + } + const callbacks = loading[ url ]; + const reader = response.body.getReader(); + const contentLength = response.headers.get( 'X-File-Size' ) || response.headers.get( 'Content-Length' ); + const total = contentLength ? parseInt( contentLength ) : 0; + const lengthComputable = total !== 0; + let loaded = 0; + const stream = new ReadableStream( { + start( controller ) { + readData(); + function readData() { + reader.read().then( ( { done, value } ) => { + if ( done ) { + controller.close(); + } else { + loaded += value.byteLength; + const event = new ProgressEvent( 'progress', { lengthComputable, loaded, total } ); + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + const callback = callbacks[ i ]; + if ( callback.onProgress ) callback.onProgress( event ); + } + controller.enqueue( value ); + readData(); + } + }, ( e ) => { + controller.error( e ); + } ); + } + } + } ); + return new Response( stream ); + } else { + throw new HttpError( `fetch for "${response.url}" responded with ${response.status}: ${response.statusText}`, response ); + } + } ) + .then( response => { + switch ( responseType ) { + case 'arraybuffer': + return response.arrayBuffer(); + case 'blob': + return response.blob(); + case 'document': + return response.text() + .then( text => { + const parser = new DOMParser(); + return parser.parseFromString( text, mimeType ); + } ); + case 'json': + return response.json(); + default: + if ( mimeType === '' ) { + return response.text(); + } else { + const re = /charset="?([^;"\s]*)"?/i; + const exec = re.exec( mimeType ); + const label = exec && exec[ 1 ] ? exec[ 1 ].toLowerCase() : undefined; + const decoder = new TextDecoder( label ); + return response.arrayBuffer().then( ab => decoder.decode( ab ) ); + } + } + } ) + .then( data => { + Cache.add( `file:${url}`, data ); + const callbacks = loading[ url ]; + delete loading[ url ]; + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + const callback = callbacks[ i ]; + if ( callback.onLoad ) callback.onLoad( data ); + } + } ) + .catch( err => { + const callbacks = loading[ url ]; + if ( callbacks === undefined ) { + this.manager.itemError( url ); + throw err; + } + delete loading[ url ]; + for ( let i = 0, il = callbacks.length; i < il; i ++ ) { + const callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( err ); + } + this.manager.itemError( url ); + } ) + .finally( () => { + this.manager.itemEnd( url ); + } ); + this.manager.itemStart( url ); + } + setResponseType( value ) { + this.responseType = value; + return this; + } + setMimeType( value ) { + this.mimeType = value; + return this; + } + } + class AnimationLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + try { + onLoad( scope.parse( JSON.parse( text ) ) ); + } catch ( e ) { + if ( onError ) { + onError( e ); + } else { + console.error( e ); + } + scope.manager.itemError( url ); + } + }, onProgress, onError ); + } + parse( json ) { + const animations = []; + for ( let i = 0; i < json.length; i ++ ) { + const clip = AnimationClip.parse( json[ i ] ); + animations.push( clip ); + } + return animations; + } + } + class CompressedTextureLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const images = []; + const texture = new CompressedTexture(); + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + let loaded = 0; + function loadTexture( i ) { + loader.load( url[ i ], function ( buffer ) { + const texDatas = scope.parse( buffer, true ); + images[ i ] = { + width: texDatas.width, + height: texDatas.height, + format: texDatas.format, + mipmaps: texDatas.mipmaps + }; + loaded += 1; + if ( loaded === 6 ) { + if ( texDatas.mipmapCount === 1 ) texture.minFilter = LinearFilter; + texture.image = images; + texture.format = texDatas.format; + texture.needsUpdate = true; + if ( onLoad ) onLoad( texture ); + } + }, onProgress, onError ); + } + if ( Array.isArray( url ) ) { + for ( let i = 0, il = url.length; i < il; ++ i ) { + loadTexture( i ); + } + } else { + loader.load( url, function ( buffer ) { + const texDatas = scope.parse( buffer, true ); + if ( texDatas.isCubemap ) { + const faces = texDatas.mipmaps.length / texDatas.mipmapCount; + for ( let f = 0; f < faces; f ++ ) { + images[ f ] = { mipmaps: [] }; + for ( let i = 0; i < texDatas.mipmapCount; i ++ ) { + images[ f ].mipmaps.push( texDatas.mipmaps[ f * texDatas.mipmapCount + i ] ); + images[ f ].format = texDatas.format; + images[ f ].width = texDatas.width; + images[ f ].height = texDatas.height; + } + } + texture.image = images; + } else { + texture.image.width = texDatas.width; + texture.image.height = texDatas.height; + texture.mipmaps = texDatas.mipmaps; + } + if ( texDatas.mipmapCount === 1 ) { + texture.minFilter = LinearFilter; + } + texture.format = texDatas.format; + texture.needsUpdate = true; + if ( onLoad ) onLoad( texture ); + }, onProgress, onError ); + } + return texture; + } + } + const _loading = new WeakMap(); + class ImageLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + if ( this.path !== undefined ) url = this.path + url; + url = this.manager.resolveURL( url ); + const scope = this; + const cached = Cache.get( `image:${url}` ); + if ( cached !== undefined ) { + if ( cached.complete === true ) { + scope.manager.itemStart( url ); + setTimeout( function () { + if ( onLoad ) onLoad( cached ); + scope.manager.itemEnd( url ); + }, 0 ); + } else { + let arr = _loading.get( cached ); + if ( arr === undefined ) { + arr = []; + _loading.set( cached, arr ); + } + arr.push( { onLoad, onError } ); + } + return cached; + } + const image = createElementNS( 'img' ); + function onImageLoad() { + removeEventListeners(); + if ( onLoad ) onLoad( this ); + const callbacks = _loading.get( this ) || []; + for ( let i = 0; i < callbacks.length; i ++ ) { + const callback = callbacks[ i ]; + if ( callback.onLoad ) callback.onLoad( this ); + } + _loading.delete( this ); + scope.manager.itemEnd( url ); + } + function onImageError( event ) { + removeEventListeners(); + if ( onError ) onError( event ); + Cache.remove( `image:${url}` ); + const callbacks = _loading.get( this ) || []; + for ( let i = 0; i < callbacks.length; i ++ ) { + const callback = callbacks[ i ]; + if ( callback.onError ) callback.onError( event ); + } + _loading.delete( this ); + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + } + function removeEventListeners() { + image.removeEventListener( 'load', onImageLoad, false ); + image.removeEventListener( 'error', onImageError, false ); + } + image.addEventListener( 'load', onImageLoad, false ); + image.addEventListener( 'error', onImageError, false ); + if ( url.slice( 0, 5 ) !== 'data:' ) { + if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin; + } + Cache.add( `image:${url}`, image ); + scope.manager.itemStart( url ); + image.src = url; + return image; + } + } + class CubeTextureLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( urls, onLoad, onProgress, onError ) { + const texture = new CubeTexture(); + texture.colorSpace = SRGBColorSpace; + const loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + let loaded = 0; + function loadTexture( i ) { + loader.load( urls[ i ], function ( image ) { + texture.images[ i ] = image; + loaded ++; + if ( loaded === 6 ) { + texture.needsUpdate = true; + if ( onLoad ) onLoad( texture ); + } + }, undefined, onError ); + } + for ( let i = 0; i < urls.length; ++ i ) { + loadTexture( i ); + } + return texture; + } + } + class DataTextureLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const texture = new DataTexture(); + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setRequestHeader( this.requestHeader ); + loader.setPath( this.path ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( buffer ) { + let texData; + try { + texData = scope.parse( buffer ); + } catch ( error ) { + if ( onError !== undefined ) { + onError( error ); + } else { + console.error( error ); + return; + } + } + if ( texData.image !== undefined ) { + texture.image = texData.image; + } else if ( texData.data !== undefined ) { + texture.image.width = texData.width; + texture.image.height = texData.height; + texture.image.data = texData.data; + } + texture.wrapS = texData.wrapS !== undefined ? texData.wrapS : ClampToEdgeWrapping; + texture.wrapT = texData.wrapT !== undefined ? texData.wrapT : ClampToEdgeWrapping; + texture.magFilter = texData.magFilter !== undefined ? texData.magFilter : LinearFilter; + texture.minFilter = texData.minFilter !== undefined ? texData.minFilter : LinearFilter; + texture.anisotropy = texData.anisotropy !== undefined ? texData.anisotropy : 1; + if ( texData.colorSpace !== undefined ) { + texture.colorSpace = texData.colorSpace; + } + if ( texData.flipY !== undefined ) { + texture.flipY = texData.flipY; + } + if ( texData.format !== undefined ) { + texture.format = texData.format; + } + if ( texData.type !== undefined ) { + texture.type = texData.type; + } + if ( texData.mipmaps !== undefined ) { + texture.mipmaps = texData.mipmaps; + texture.minFilter = LinearMipmapLinearFilter; + } + if ( texData.mipmapCount === 1 ) { + texture.minFilter = LinearFilter; + } + if ( texData.generateMipmaps !== undefined ) { + texture.generateMipmaps = texData.generateMipmaps; + } + texture.needsUpdate = true; + if ( onLoad ) onLoad( texture, texData ); + }, onProgress, onError ); + return texture; + } + } + class TextureLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const texture = new Texture(); + const loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + loader.setPath( this.path ); + loader.load( url, function ( image ) { + texture.image = image; + texture.needsUpdate = true; + if ( onLoad !== undefined ) { + onLoad( texture ); + } + }, onProgress, onError ); + return texture; + } + } + class Light extends Object3D { + constructor( color, intensity = 1 ) { + super(); + this.isLight = true; + this.type = 'Light'; + this.color = new Color( color ); + this.intensity = intensity; + } + dispose() { + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.color.copy( source.color ); + this.intensity = source.intensity; + return this; + } + toJSON( meta ) { + const data = super.toJSON( meta ); + data.object.color = this.color.getHex(); + data.object.intensity = this.intensity; + if ( this.groundColor !== undefined ) data.object.groundColor = this.groundColor.getHex(); + if ( this.distance !== undefined ) data.object.distance = this.distance; + if ( this.angle !== undefined ) data.object.angle = this.angle; + if ( this.decay !== undefined ) data.object.decay = this.decay; + if ( this.penumbra !== undefined ) data.object.penumbra = this.penumbra; + if ( this.shadow !== undefined ) data.object.shadow = this.shadow.toJSON(); + if ( this.target !== undefined ) data.object.target = this.target.uuid; + return data; + } + } + class HemisphereLight extends Light { + constructor( skyColor, groundColor, intensity ) { + super( skyColor, intensity ); + this.isHemisphereLight = true; + this.type = 'HemisphereLight'; + this.position.copy( Object3D.DEFAULT_UP ); + this.updateMatrix(); + this.groundColor = new Color( groundColor ); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.groundColor.copy( source.groundColor ); + return this; + } + } + const _projScreenMatrix$1 = new Matrix4(); + const _lightPositionWorld$1 = new Vector3(); + const _lookTarget$1 = new Vector3(); + class LightShadow { + constructor( camera ) { + this.camera = camera; + this.intensity = 1; + this.bias = 0; + this.normalBias = 0; + this.radius = 1; + this.blurSamples = 8; + this.mapSize = new Vector2( 512, 512 ); + this.mapType = UnsignedByteType; + this.map = null; + this.mapPass = null; + this.matrix = new Matrix4(); + this.autoUpdate = true; + this.needsUpdate = false; + this._frustum = new Frustum(); + this._frameExtents = new Vector2( 1, 1 ); + this._viewportCount = 1; + this._viewports = [ + new Vector4( 0, 0, 1, 1 ) + ]; + } + getViewportCount() { + return this._viewportCount; + } + getFrustum() { + return this._frustum; + } + updateMatrices( light ) { + const shadowCamera = this.camera; + const shadowMatrix = this.matrix; + _lightPositionWorld$1.setFromMatrixPosition( light.matrixWorld ); + shadowCamera.position.copy( _lightPositionWorld$1 ); + _lookTarget$1.setFromMatrixPosition( light.target.matrixWorld ); + shadowCamera.lookAt( _lookTarget$1 ); + shadowCamera.updateMatrixWorld(); + _projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( _projScreenMatrix$1 ); + shadowMatrix.set( + 0.5, 0.0, 0.0, 0.5, + 0.0, 0.5, 0.0, 0.5, + 0.0, 0.0, 0.5, 0.5, + 0.0, 0.0, 0.0, 1.0 + ); + shadowMatrix.multiply( _projScreenMatrix$1 ); + } + getViewport( viewportIndex ) { + return this._viewports[ viewportIndex ]; + } + getFrameExtents() { + return this._frameExtents; + } + dispose() { + if ( this.map ) { + this.map.dispose(); + } + if ( this.mapPass ) { + this.mapPass.dispose(); + } + } + copy( source ) { + this.camera = source.camera.clone(); + this.intensity = source.intensity; + this.bias = source.bias; + this.radius = source.radius; + this.autoUpdate = source.autoUpdate; + this.needsUpdate = source.needsUpdate; + this.normalBias = source.normalBias; + this.blurSamples = source.blurSamples; + this.mapSize.copy( source.mapSize ); + return this; + } + clone() { + return new this.constructor().copy( this ); + } + toJSON() { + const object = {}; + if ( this.intensity !== 1 ) object.intensity = this.intensity; + if ( this.bias !== 0 ) object.bias = this.bias; + if ( this.normalBias !== 0 ) object.normalBias = this.normalBias; + if ( this.radius !== 1 ) object.radius = this.radius; + if ( this.mapSize.x !== 512 || this.mapSize.y !== 512 ) object.mapSize = this.mapSize.toArray(); + object.camera = this.camera.toJSON( false ).object; + delete object.camera.matrix; + return object; + } + } + class SpotLightShadow extends LightShadow { + constructor() { + super( new PerspectiveCamera( 50, 1, 0.5, 500 ) ); + this.isSpotLightShadow = true; + this.focus = 1; + this.aspect = 1; + } + updateMatrices( light ) { + const camera = this.camera; + const fov = RAD2DEG * 2 * light.angle * this.focus; + const aspect = ( this.mapSize.width / this.mapSize.height ) * this.aspect; + const far = light.distance || camera.far; + if ( fov !== camera.fov || aspect !== camera.aspect || far !== camera.far ) { + camera.fov = fov; + camera.aspect = aspect; + camera.far = far; + camera.updateProjectionMatrix(); + } + super.updateMatrices( light ); + } + copy( source ) { + super.copy( source ); + this.focus = source.focus; + return this; + } + } + class SpotLight extends Light { + constructor( color, intensity, distance = 0, angle = Math.PI / 3, penumbra = 0, decay = 2 ) { + super( color, intensity ); + this.isSpotLight = true; + this.type = 'SpotLight'; + this.position.copy( Object3D.DEFAULT_UP ); + this.updateMatrix(); + this.target = new Object3D(); + this.distance = distance; + this.angle = angle; + this.penumbra = penumbra; + this.decay = decay; + this.map = null; + this.shadow = new SpotLightShadow(); + } + get power() { + return this.intensity * Math.PI; + } + set power( power ) { + this.intensity = power / Math.PI; + } + dispose() { + this.shadow.dispose(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.distance = source.distance; + this.angle = source.angle; + this.penumbra = source.penumbra; + this.decay = source.decay; + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + return this; + } + } + const _projScreenMatrix = new Matrix4(); + const _lightPositionWorld = new Vector3(); + const _lookTarget = new Vector3(); + class PointLightShadow extends LightShadow { + constructor() { + super( new PerspectiveCamera( 90, 1, 0.5, 500 ) ); + this.isPointLightShadow = true; + this._frameExtents = new Vector2( 4, 2 ); + this._viewportCount = 6; + this._viewports = [ + new Vector4( 2, 1, 1, 1 ), + new Vector4( 0, 1, 1, 1 ), + new Vector4( 3, 1, 1, 1 ), + new Vector4( 1, 1, 1, 1 ), + new Vector4( 3, 0, 1, 1 ), + new Vector4( 1, 0, 1, 1 ) + ]; + this._cubeDirections = [ + new Vector3( 1, 0, 0 ), new Vector3( -1, 0, 0 ), new Vector3( 0, 0, 1 ), + new Vector3( 0, 0, -1 ), new Vector3( 0, 1, 0 ), new Vector3( 0, -1, 0 ) + ]; + this._cubeUps = [ + new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), new Vector3( 0, 1, 0 ), + new Vector3( 0, 1, 0 ), new Vector3( 0, 0, 1 ), new Vector3( 0, 0, -1 ) + ]; + } + updateMatrices( light, viewportIndex = 0 ) { + const camera = this.camera; + const shadowMatrix = this.matrix; + const far = light.distance || camera.far; + if ( far !== camera.far ) { + camera.far = far; + camera.updateProjectionMatrix(); + } + _lightPositionWorld.setFromMatrixPosition( light.matrixWorld ); + camera.position.copy( _lightPositionWorld ); + _lookTarget.copy( camera.position ); + _lookTarget.add( this._cubeDirections[ viewportIndex ] ); + camera.up.copy( this._cubeUps[ viewportIndex ] ); + camera.lookAt( _lookTarget ); + camera.updateMatrixWorld(); + shadowMatrix.makeTranslation( - _lightPositionWorld.x, - _lightPositionWorld.y, - _lightPositionWorld.z ); + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + this._frustum.setFromProjectionMatrix( _projScreenMatrix ); + } + } + class PointLight extends Light { + constructor( color, intensity, distance = 0, decay = 2 ) { + super( color, intensity ); + this.isPointLight = true; + this.type = 'PointLight'; + this.distance = distance; + this.decay = decay; + this.shadow = new PointLightShadow(); + } + get power() { + return this.intensity * 4 * Math.PI; + } + set power( power ) { + this.intensity = power / ( 4 * Math.PI ); + } + dispose() { + this.shadow.dispose(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.distance = source.distance; + this.decay = source.decay; + this.shadow = source.shadow.clone(); + return this; + } + } + class OrthographicCamera extends Camera { + constructor( left = -1, right = 1, top = 1, bottom = -1, near = 0.1, far = 2000 ) { + super(); + this.isOrthographicCamera = true; + this.type = 'OrthographicCamera'; + this.zoom = 1; + this.view = null; + this.left = left; + this.right = right; + this.top = top; + this.bottom = bottom; + this.near = near; + this.far = far; + this.updateProjectionMatrix(); + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.left = source.left; + this.right = source.right; + this.top = source.top; + this.bottom = source.bottom; + this.near = source.near; + this.far = source.far; + this.zoom = source.zoom; + this.view = source.view === null ? null : Object.assign( {}, source.view ); + return this; + } + setViewOffset( fullWidth, fullHeight, x, y, width, height ) { + if ( this.view === null ) { + this.view = { + enabled: true, + fullWidth: 1, + fullHeight: 1, + offsetX: 0, + offsetY: 0, + width: 1, + height: 1 + }; + } + this.view.enabled = true; + this.view.fullWidth = fullWidth; + this.view.fullHeight = fullHeight; + this.view.offsetX = x; + this.view.offsetY = y; + this.view.width = width; + this.view.height = height; + this.updateProjectionMatrix(); + } + clearViewOffset() { + if ( this.view !== null ) { + this.view.enabled = false; + } + this.updateProjectionMatrix(); + } + updateProjectionMatrix() { + const dx = ( this.right - this.left ) / ( 2 * this.zoom ); + const dy = ( this.top - this.bottom ) / ( 2 * this.zoom ); + const cx = ( this.right + this.left ) / 2; + const cy = ( this.top + this.bottom ) / 2; + let left = cx - dx; + let right = cx + dx; + let top = cy + dy; + let bottom = cy - dy; + if ( this.view !== null && this.view.enabled ) { + const scaleW = ( this.right - this.left ) / this.view.fullWidth / this.zoom; + const scaleH = ( this.top - this.bottom ) / this.view.fullHeight / this.zoom; + left += scaleW * this.view.offsetX; + right = left + scaleW * this.view.width; + top -= scaleH * this.view.offsetY; + bottom = top - scaleH * this.view.height; + } + this.projectionMatrix.makeOrthographic( left, right, top, bottom, this.near, this.far, this.coordinateSystem ); + this.projectionMatrixInverse.copy( this.projectionMatrix ).invert(); + } + toJSON( meta ) { + const data = super.toJSON( meta ); + data.object.zoom = this.zoom; + data.object.left = this.left; + data.object.right = this.right; + data.object.top = this.top; + data.object.bottom = this.bottom; + data.object.near = this.near; + data.object.far = this.far; + if ( this.view !== null ) data.object.view = Object.assign( {}, this.view ); + return data; + } + } + class DirectionalLightShadow extends LightShadow { + constructor() { + super( new OrthographicCamera( -5, 5, 5, -5, 0.5, 500 ) ); + this.isDirectionalLightShadow = true; + } + } + class DirectionalLight extends Light { + constructor( color, intensity ) { + super( color, intensity ); + this.isDirectionalLight = true; + this.type = 'DirectionalLight'; + this.position.copy( Object3D.DEFAULT_UP ); + this.updateMatrix(); + this.target = new Object3D(); + this.shadow = new DirectionalLightShadow(); + } + dispose() { + this.shadow.dispose(); + } + copy( source ) { + super.copy( source ); + this.target = source.target.clone(); + this.shadow = source.shadow.clone(); + return this; + } + } + class AmbientLight extends Light { + constructor( color, intensity ) { + super( color, intensity ); + this.isAmbientLight = true; + this.type = 'AmbientLight'; + } + } + class RectAreaLight extends Light { + constructor( color, intensity, width = 10, height = 10 ) { + super( color, intensity ); + this.isRectAreaLight = true; + this.type = 'RectAreaLight'; + this.width = width; + this.height = height; + } + get power() { + return this.intensity * this.width * this.height * Math.PI; + } + set power( power ) { + this.intensity = power / ( this.width * this.height * Math.PI ); + } + copy( source ) { + super.copy( source ); + this.width = source.width; + this.height = source.height; + return this; + } + toJSON( meta ) { + const data = super.toJSON( meta ); + data.object.width = this.width; + data.object.height = this.height; + return data; + } + } + class SphericalHarmonics3 { + constructor() { + this.isSphericalHarmonics3 = true; + this.coefficients = []; + for ( let i = 0; i < 9; i ++ ) { + this.coefficients.push( new Vector3() ); + } + } + set( coefficients ) { + for ( let i = 0; i < 9; i ++ ) { + this.coefficients[ i ].copy( coefficients[ i ] ); + } + return this; + } + zero() { + for ( let i = 0; i < 9; i ++ ) { + this.coefficients[ i ].set( 0, 0, 0 ); + } + return this; + } + getAt( normal, target ) { + const x = normal.x, y = normal.y, z = normal.z; + const coeff = this.coefficients; + target.copy( coeff[ 0 ] ).multiplyScalar( 0.282095 ); + target.addScaledVector( coeff[ 1 ], 0.488603 * y ); + target.addScaledVector( coeff[ 2 ], 0.488603 * z ); + target.addScaledVector( coeff[ 3 ], 0.488603 * x ); + target.addScaledVector( coeff[ 4 ], 1.092548 * ( x * y ) ); + target.addScaledVector( coeff[ 5 ], 1.092548 * ( y * z ) ); + target.addScaledVector( coeff[ 6 ], 0.315392 * ( 3.0 * z * z - 1.0 ) ); + target.addScaledVector( coeff[ 7 ], 1.092548 * ( x * z ) ); + target.addScaledVector( coeff[ 8 ], 0.546274 * ( x * x - y * y ) ); + return target; + } + getIrradianceAt( normal, target ) { + const x = normal.x, y = normal.y, z = normal.z; + const coeff = this.coefficients; + target.copy( coeff[ 0 ] ).multiplyScalar( 0.886227 ); + target.addScaledVector( coeff[ 1 ], 2.0 * 0.511664 * y ); + target.addScaledVector( coeff[ 2 ], 2.0 * 0.511664 * z ); + target.addScaledVector( coeff[ 3 ], 2.0 * 0.511664 * x ); + target.addScaledVector( coeff[ 4 ], 2.0 * 0.429043 * x * y ); + target.addScaledVector( coeff[ 5 ], 2.0 * 0.429043 * y * z ); + target.addScaledVector( coeff[ 6 ], 0.743125 * z * z - 0.247708 ); + target.addScaledVector( coeff[ 7 ], 2.0 * 0.429043 * x * z ); + target.addScaledVector( coeff[ 8 ], 0.429043 * ( x * x - y * y ) ); + return target; + } + add( sh ) { + for ( let i = 0; i < 9; i ++ ) { + this.coefficients[ i ].add( sh.coefficients[ i ] ); + } + return this; + } + addScaledSH( sh, s ) { + for ( let i = 0; i < 9; i ++ ) { + this.coefficients[ i ].addScaledVector( sh.coefficients[ i ], s ); + } + return this; + } + scale( s ) { + for ( let i = 0; i < 9; i ++ ) { + this.coefficients[ i ].multiplyScalar( s ); + } + return this; + } + lerp( sh, alpha ) { + for ( let i = 0; i < 9; i ++ ) { + this.coefficients[ i ].lerp( sh.coefficients[ i ], alpha ); + } + return this; + } + equals( sh ) { + for ( let i = 0; i < 9; i ++ ) { + if ( ! this.coefficients[ i ].equals( sh.coefficients[ i ] ) ) { + return false; + } + } + return true; + } + copy( sh ) { + return this.set( sh.coefficients ); + } + clone() { + return new this.constructor().copy( this ); + } + fromArray( array, offset = 0 ) { + const coefficients = this.coefficients; + for ( let i = 0; i < 9; i ++ ) { + coefficients[ i ].fromArray( array, offset + ( i * 3 ) ); + } + return this; + } + toArray( array = [], offset = 0 ) { + const coefficients = this.coefficients; + for ( let i = 0; i < 9; i ++ ) { + coefficients[ i ].toArray( array, offset + ( i * 3 ) ); + } + return array; + } + static getBasisAt( normal, shBasis ) { + const x = normal.x, y = normal.y, z = normal.z; + shBasis[ 0 ] = 0.282095; + shBasis[ 1 ] = 0.488603 * y; + shBasis[ 2 ] = 0.488603 * z; + shBasis[ 3 ] = 0.488603 * x; + shBasis[ 4 ] = 1.092548 * x * y; + shBasis[ 5 ] = 1.092548 * y * z; + shBasis[ 6 ] = 0.315392 * ( 3 * z * z - 1 ); + shBasis[ 7 ] = 1.092548 * x * z; + shBasis[ 8 ] = 0.546274 * ( x * x - y * y ); + } + } + class LightProbe extends Light { + constructor( sh = new SphericalHarmonics3(), intensity = 1 ) { + super( undefined, intensity ); + this.isLightProbe = true; + this.sh = sh; + } + copy( source ) { + super.copy( source ); + this.sh.copy( source.sh ); + return this; + } + fromJSON( json ) { + this.intensity = json.intensity; + this.sh.fromArray( json.sh ); + return this; + } + toJSON( meta ) { + const data = super.toJSON( meta ); + data.object.sh = this.sh.toArray(); + return data; + } + } + class MaterialLoader extends Loader { + constructor( manager ) { + super( manager ); + this.textures = {}; + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + try { + onLoad( scope.parse( JSON.parse( text ) ) ); + } catch ( e ) { + if ( onError ) { + onError( e ); + } else { + console.error( e ); + } + scope.manager.itemError( url ); + } + }, onProgress, onError ); + } + parse( json ) { + const textures = this.textures; + function getTexture( name ) { + if ( textures[ name ] === undefined ) { + console.warn( 'THREE.MaterialLoader: Undefined texture', name ); + } + return textures[ name ]; + } + const material = this.createMaterialFromType( json.type ); + if ( json.uuid !== undefined ) material.uuid = json.uuid; + if ( json.name !== undefined ) material.name = json.name; + if ( json.color !== undefined && material.color !== undefined ) material.color.setHex( json.color ); + if ( json.roughness !== undefined ) material.roughness = json.roughness; + if ( json.metalness !== undefined ) material.metalness = json.metalness; + if ( json.sheen !== undefined ) material.sheen = json.sheen; + if ( json.sheenColor !== undefined ) material.sheenColor = new Color().setHex( json.sheenColor ); + if ( json.sheenRoughness !== undefined ) material.sheenRoughness = json.sheenRoughness; + if ( json.emissive !== undefined && material.emissive !== undefined ) material.emissive.setHex( json.emissive ); + if ( json.specular !== undefined && material.specular !== undefined ) material.specular.setHex( json.specular ); + if ( json.specularIntensity !== undefined ) material.specularIntensity = json.specularIntensity; + if ( json.specularColor !== undefined && material.specularColor !== undefined ) material.specularColor.setHex( json.specularColor ); + if ( json.shininess !== undefined ) material.shininess = json.shininess; + if ( json.clearcoat !== undefined ) material.clearcoat = json.clearcoat; + if ( json.clearcoatRoughness !== undefined ) material.clearcoatRoughness = json.clearcoatRoughness; + if ( json.dispersion !== undefined ) material.dispersion = json.dispersion; + if ( json.iridescence !== undefined ) material.iridescence = json.iridescence; + if ( json.iridescenceIOR !== undefined ) material.iridescenceIOR = json.iridescenceIOR; + if ( json.iridescenceThicknessRange !== undefined ) material.iridescenceThicknessRange = json.iridescenceThicknessRange; + if ( json.transmission !== undefined ) material.transmission = json.transmission; + if ( json.thickness !== undefined ) material.thickness = json.thickness; + if ( json.attenuationDistance !== undefined ) material.attenuationDistance = json.attenuationDistance; + if ( json.attenuationColor !== undefined && material.attenuationColor !== undefined ) material.attenuationColor.setHex( json.attenuationColor ); + if ( json.anisotropy !== undefined ) material.anisotropy = json.anisotropy; + if ( json.anisotropyRotation !== undefined ) material.anisotropyRotation = json.anisotropyRotation; + if ( json.fog !== undefined ) material.fog = json.fog; + if ( json.flatShading !== undefined ) material.flatShading = json.flatShading; + if ( json.blending !== undefined ) material.blending = json.blending; + if ( json.combine !== undefined ) material.combine = json.combine; + if ( json.side !== undefined ) material.side = json.side; + if ( json.shadowSide !== undefined ) material.shadowSide = json.shadowSide; + if ( json.opacity !== undefined ) material.opacity = json.opacity; + if ( json.transparent !== undefined ) material.transparent = json.transparent; + if ( json.alphaTest !== undefined ) material.alphaTest = json.alphaTest; + if ( json.alphaHash !== undefined ) material.alphaHash = json.alphaHash; + if ( json.depthFunc !== undefined ) material.depthFunc = json.depthFunc; + if ( json.depthTest !== undefined ) material.depthTest = json.depthTest; + if ( json.depthWrite !== undefined ) material.depthWrite = json.depthWrite; + if ( json.colorWrite !== undefined ) material.colorWrite = json.colorWrite; + if ( json.blendSrc !== undefined ) material.blendSrc = json.blendSrc; + if ( json.blendDst !== undefined ) material.blendDst = json.blendDst; + if ( json.blendEquation !== undefined ) material.blendEquation = json.blendEquation; + if ( json.blendSrcAlpha !== undefined ) material.blendSrcAlpha = json.blendSrcAlpha; + if ( json.blendDstAlpha !== undefined ) material.blendDstAlpha = json.blendDstAlpha; + if ( json.blendEquationAlpha !== undefined ) material.blendEquationAlpha = json.blendEquationAlpha; + if ( json.blendColor !== undefined && material.blendColor !== undefined ) material.blendColor.setHex( json.blendColor ); + if ( json.blendAlpha !== undefined ) material.blendAlpha = json.blendAlpha; + if ( json.stencilWriteMask !== undefined ) material.stencilWriteMask = json.stencilWriteMask; + if ( json.stencilFunc !== undefined ) material.stencilFunc = json.stencilFunc; + if ( json.stencilRef !== undefined ) material.stencilRef = json.stencilRef; + if ( json.stencilFuncMask !== undefined ) material.stencilFuncMask = json.stencilFuncMask; + if ( json.stencilFail !== undefined ) material.stencilFail = json.stencilFail; + if ( json.stencilZFail !== undefined ) material.stencilZFail = json.stencilZFail; + if ( json.stencilZPass !== undefined ) material.stencilZPass = json.stencilZPass; + if ( json.stencilWrite !== undefined ) material.stencilWrite = json.stencilWrite; + if ( json.wireframe !== undefined ) material.wireframe = json.wireframe; + if ( json.wireframeLinewidth !== undefined ) material.wireframeLinewidth = json.wireframeLinewidth; + if ( json.wireframeLinecap !== undefined ) material.wireframeLinecap = json.wireframeLinecap; + if ( json.wireframeLinejoin !== undefined ) material.wireframeLinejoin = json.wireframeLinejoin; + if ( json.rotation !== undefined ) material.rotation = json.rotation; + if ( json.linewidth !== undefined ) material.linewidth = json.linewidth; + if ( json.dashSize !== undefined ) material.dashSize = json.dashSize; + if ( json.gapSize !== undefined ) material.gapSize = json.gapSize; + if ( json.scale !== undefined ) material.scale = json.scale; + if ( json.polygonOffset !== undefined ) material.polygonOffset = json.polygonOffset; + if ( json.polygonOffsetFactor !== undefined ) material.polygonOffsetFactor = json.polygonOffsetFactor; + if ( json.polygonOffsetUnits !== undefined ) material.polygonOffsetUnits = json.polygonOffsetUnits; + if ( json.dithering !== undefined ) material.dithering = json.dithering; + if ( json.alphaToCoverage !== undefined ) material.alphaToCoverage = json.alphaToCoverage; + if ( json.premultipliedAlpha !== undefined ) material.premultipliedAlpha = json.premultipliedAlpha; + if ( json.forceSinglePass !== undefined ) material.forceSinglePass = json.forceSinglePass; + if ( json.visible !== undefined ) material.visible = json.visible; + if ( json.toneMapped !== undefined ) material.toneMapped = json.toneMapped; + if ( json.userData !== undefined ) material.userData = json.userData; + if ( json.vertexColors !== undefined ) { + if ( typeof json.vertexColors === 'number' ) { + material.vertexColors = ( json.vertexColors > 0 ) ? true : false; + } else { + material.vertexColors = json.vertexColors; + } + } + if ( json.uniforms !== undefined ) { + for ( const name in json.uniforms ) { + const uniform = json.uniforms[ name ]; + material.uniforms[ name ] = {}; + switch ( uniform.type ) { + case 't': + material.uniforms[ name ].value = getTexture( uniform.value ); + break; + case 'c': + material.uniforms[ name ].value = new Color().setHex( uniform.value ); + break; + case 'v2': + material.uniforms[ name ].value = new Vector2().fromArray( uniform.value ); + break; + case 'v3': + material.uniforms[ name ].value = new Vector3().fromArray( uniform.value ); + break; + case 'v4': + material.uniforms[ name ].value = new Vector4().fromArray( uniform.value ); + break; + case 'm3': + material.uniforms[ name ].value = new Matrix3().fromArray( uniform.value ); + break; + case 'm4': + material.uniforms[ name ].value = new Matrix4().fromArray( uniform.value ); + break; + default: + material.uniforms[ name ].value = uniform.value; + } + } + } + if ( json.defines !== undefined ) material.defines = json.defines; + if ( json.vertexShader !== undefined ) material.vertexShader = json.vertexShader; + if ( json.fragmentShader !== undefined ) material.fragmentShader = json.fragmentShader; + if ( json.glslVersion !== undefined ) material.glslVersion = json.glslVersion; + if ( json.extensions !== undefined ) { + for ( const key in json.extensions ) { + material.extensions[ key ] = json.extensions[ key ]; + } + } + if ( json.lights !== undefined ) material.lights = json.lights; + if ( json.clipping !== undefined ) material.clipping = json.clipping; + if ( json.size !== undefined ) material.size = json.size; + if ( json.sizeAttenuation !== undefined ) material.sizeAttenuation = json.sizeAttenuation; + if ( json.map !== undefined ) material.map = getTexture( json.map ); + if ( json.matcap !== undefined ) material.matcap = getTexture( json.matcap ); + if ( json.alphaMap !== undefined ) material.alphaMap = getTexture( json.alphaMap ); + if ( json.bumpMap !== undefined ) material.bumpMap = getTexture( json.bumpMap ); + if ( json.bumpScale !== undefined ) material.bumpScale = json.bumpScale; + if ( json.normalMap !== undefined ) material.normalMap = getTexture( json.normalMap ); + if ( json.normalMapType !== undefined ) material.normalMapType = json.normalMapType; + if ( json.normalScale !== undefined ) { + let normalScale = json.normalScale; + if ( Array.isArray( normalScale ) === false ) { + normalScale = [ normalScale, normalScale ]; + } + material.normalScale = new Vector2().fromArray( normalScale ); + } + if ( json.displacementMap !== undefined ) material.displacementMap = getTexture( json.displacementMap ); + if ( json.displacementScale !== undefined ) material.displacementScale = json.displacementScale; + if ( json.displacementBias !== undefined ) material.displacementBias = json.displacementBias; + if ( json.roughnessMap !== undefined ) material.roughnessMap = getTexture( json.roughnessMap ); + if ( json.metalnessMap !== undefined ) material.metalnessMap = getTexture( json.metalnessMap ); + if ( json.emissiveMap !== undefined ) material.emissiveMap = getTexture( json.emissiveMap ); + if ( json.emissiveIntensity !== undefined ) material.emissiveIntensity = json.emissiveIntensity; + if ( json.specularMap !== undefined ) material.specularMap = getTexture( json.specularMap ); + if ( json.specularIntensityMap !== undefined ) material.specularIntensityMap = getTexture( json.specularIntensityMap ); + if ( json.specularColorMap !== undefined ) material.specularColorMap = getTexture( json.specularColorMap ); + if ( json.envMap !== undefined ) material.envMap = getTexture( json.envMap ); + if ( json.envMapRotation !== undefined ) material.envMapRotation.fromArray( json.envMapRotation ); + if ( json.envMapIntensity !== undefined ) material.envMapIntensity = json.envMapIntensity; + if ( json.reflectivity !== undefined ) material.reflectivity = json.reflectivity; + if ( json.refractionRatio !== undefined ) material.refractionRatio = json.refractionRatio; + if ( json.lightMap !== undefined ) material.lightMap = getTexture( json.lightMap ); + if ( json.lightMapIntensity !== undefined ) material.lightMapIntensity = json.lightMapIntensity; + if ( json.aoMap !== undefined ) material.aoMap = getTexture( json.aoMap ); + if ( json.aoMapIntensity !== undefined ) material.aoMapIntensity = json.aoMapIntensity; + if ( json.gradientMap !== undefined ) material.gradientMap = getTexture( json.gradientMap ); + if ( json.clearcoatMap !== undefined ) material.clearcoatMap = getTexture( json.clearcoatMap ); + if ( json.clearcoatRoughnessMap !== undefined ) material.clearcoatRoughnessMap = getTexture( json.clearcoatRoughnessMap ); + if ( json.clearcoatNormalMap !== undefined ) material.clearcoatNormalMap = getTexture( json.clearcoatNormalMap ); + if ( json.clearcoatNormalScale !== undefined ) material.clearcoatNormalScale = new Vector2().fromArray( json.clearcoatNormalScale ); + if ( json.iridescenceMap !== undefined ) material.iridescenceMap = getTexture( json.iridescenceMap ); + if ( json.iridescenceThicknessMap !== undefined ) material.iridescenceThicknessMap = getTexture( json.iridescenceThicknessMap ); + if ( json.transmissionMap !== undefined ) material.transmissionMap = getTexture( json.transmissionMap ); + if ( json.thicknessMap !== undefined ) material.thicknessMap = getTexture( json.thicknessMap ); + if ( json.anisotropyMap !== undefined ) material.anisotropyMap = getTexture( json.anisotropyMap ); + if ( json.sheenColorMap !== undefined ) material.sheenColorMap = getTexture( json.sheenColorMap ); + if ( json.sheenRoughnessMap !== undefined ) material.sheenRoughnessMap = getTexture( json.sheenRoughnessMap ); + return material; + } + setTextures( value ) { + this.textures = value; + return this; + } + createMaterialFromType( type ) { + return MaterialLoader.createMaterialFromType( type ); + } + static createMaterialFromType( type ) { + const materialLib = { + ShadowMaterial, + SpriteMaterial, + RawShaderMaterial, + ShaderMaterial, + PointsMaterial, + MeshPhysicalMaterial, + MeshStandardMaterial, + MeshPhongMaterial, + MeshToonMaterial, + MeshNormalMaterial, + MeshLambertMaterial, + MeshDepthMaterial, + MeshDistanceMaterial, + MeshBasicMaterial, + MeshMatcapMaterial, + LineDashedMaterial, + LineBasicMaterial, + Material + }; + return new materialLib[ type ](); + } + } + class LoaderUtils { + static extractUrlBase( url ) { + const index = url.lastIndexOf( '/' ); + if ( index === -1 ) return './'; + return url.slice( 0, index + 1 ); + } + static resolveURL( url, path ) { + if ( typeof url !== 'string' || url === '' ) return ''; + if ( /^https?:\/\//i.test( path ) && /^\//.test( url ) ) { + path = path.replace( /(^https?:\/\/[^\/]+).*/i, '$1' ); + } + if ( /^(https?:)?\/\//i.test( url ) ) return url; + if ( /^data:.*,.*$/i.test( url ) ) return url; + if ( /^blob:.*$/i.test( url ) ) return url; + return path + url; + } + } + class InstancedBufferGeometry extends BufferGeometry { + constructor() { + super(); + this.isInstancedBufferGeometry = true; + this.type = 'InstancedBufferGeometry'; + this.instanceCount = Infinity; + } + copy( source ) { + super.copy( source ); + this.instanceCount = source.instanceCount; + return this; + } + toJSON() { + const data = super.toJSON(); + data.instanceCount = this.instanceCount; + data.isInstancedBufferGeometry = true; + return data; + } + } + class BufferGeometryLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const loader = new FileLoader( scope.manager ); + loader.setPath( scope.path ); + loader.setRequestHeader( scope.requestHeader ); + loader.setWithCredentials( scope.withCredentials ); + loader.load( url, function ( text ) { + try { + onLoad( scope.parse( JSON.parse( text ) ) ); + } catch ( e ) { + if ( onError ) { + onError( e ); + } else { + console.error( e ); + } + scope.manager.itemError( url ); + } + }, onProgress, onError ); + } + parse( json ) { + const interleavedBufferMap = {}; + const arrayBufferMap = {}; + function getInterleavedBuffer( json, uuid ) { + if ( interleavedBufferMap[ uuid ] !== undefined ) return interleavedBufferMap[ uuid ]; + const interleavedBuffers = json.interleavedBuffers; + const interleavedBuffer = interleavedBuffers[ uuid ]; + const buffer = getArrayBuffer( json, interleavedBuffer.buffer ); + const array = getTypedArray( interleavedBuffer.type, buffer ); + const ib = new InterleavedBuffer( array, interleavedBuffer.stride ); + ib.uuid = interleavedBuffer.uuid; + interleavedBufferMap[ uuid ] = ib; + return ib; + } + function getArrayBuffer( json, uuid ) { + if ( arrayBufferMap[ uuid ] !== undefined ) return arrayBufferMap[ uuid ]; + const arrayBuffers = json.arrayBuffers; + const arrayBuffer = arrayBuffers[ uuid ]; + const ab = new Uint32Array( arrayBuffer ).buffer; + arrayBufferMap[ uuid ] = ab; + return ab; + } + const geometry = json.isInstancedBufferGeometry ? new InstancedBufferGeometry() : new BufferGeometry(); + const index = json.data.index; + if ( index !== undefined ) { + const typedArray = getTypedArray( index.type, index.array ); + geometry.setIndex( new BufferAttribute( typedArray, 1 ) ); + } + const attributes = json.data.attributes; + for ( const key in attributes ) { + const attribute = attributes[ key ]; + let bufferAttribute; + if ( attribute.isInterleavedBufferAttribute ) { + const interleavedBuffer = getInterleavedBuffer( json.data, attribute.data ); + bufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized ); + } else { + const typedArray = getTypedArray( attribute.type, attribute.array ); + const bufferAttributeConstr = attribute.isInstancedBufferAttribute ? InstancedBufferAttribute : BufferAttribute; + bufferAttribute = new bufferAttributeConstr( typedArray, attribute.itemSize, attribute.normalized ); + } + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + if ( attribute.usage !== undefined ) bufferAttribute.setUsage( attribute.usage ); + geometry.setAttribute( key, bufferAttribute ); + } + const morphAttributes = json.data.morphAttributes; + if ( morphAttributes ) { + for ( const key in morphAttributes ) { + const attributeArray = morphAttributes[ key ]; + const array = []; + for ( let i = 0, il = attributeArray.length; i < il; i ++ ) { + const attribute = attributeArray[ i ]; + let bufferAttribute; + if ( attribute.isInterleavedBufferAttribute ) { + const interleavedBuffer = getInterleavedBuffer( json.data, attribute.data ); + bufferAttribute = new InterleavedBufferAttribute( interleavedBuffer, attribute.itemSize, attribute.offset, attribute.normalized ); + } else { + const typedArray = getTypedArray( attribute.type, attribute.array ); + bufferAttribute = new BufferAttribute( typedArray, attribute.itemSize, attribute.normalized ); + } + if ( attribute.name !== undefined ) bufferAttribute.name = attribute.name; + array.push( bufferAttribute ); + } + geometry.morphAttributes[ key ] = array; + } + } + const morphTargetsRelative = json.data.morphTargetsRelative; + if ( morphTargetsRelative ) { + geometry.morphTargetsRelative = true; + } + const groups = json.data.groups || json.data.drawcalls || json.data.offsets; + if ( groups !== undefined ) { + for ( let i = 0, n = groups.length; i !== n; ++ i ) { + const group = groups[ i ]; + geometry.addGroup( group.start, group.count, group.materialIndex ); + } + } + const boundingSphere = json.data.boundingSphere; + if ( boundingSphere !== undefined ) { + geometry.boundingSphere = new Sphere().fromJSON( boundingSphere ); + } + if ( json.name ) geometry.name = json.name; + if ( json.userData ) geometry.userData = json.userData; + return geometry; + } + } + class ObjectLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( text ) { + let json = null; + try { + json = JSON.parse( text ); + } catch ( error ) { + if ( onError !== undefined ) onError( error ); + console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message ); + return; + } + const metadata = json.metadata; + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + if ( onError !== undefined ) onError( new Error( 'THREE.ObjectLoader: Can\'t load ' + url ) ); + console.error( 'THREE.ObjectLoader: Can\'t load ' + url ); + return; + } + scope.parse( json, onLoad ); + }, onProgress, onError ); + } + async loadAsync( url, onProgress ) { + const scope = this; + const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; + this.resourcePath = this.resourcePath || path; + const loader = new FileLoader( this.manager ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + const text = await loader.loadAsync( url, onProgress ); + const json = JSON.parse( text ); + const metadata = json.metadata; + if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { + throw new Error( 'THREE.ObjectLoader: Can\'t load ' + url ); + } + return await scope.parseAsync( json ); + } + parse( json, onLoad ) { + const animations = this.parseAnimations( json.animations ); + const shapes = this.parseShapes( json.shapes ); + const geometries = this.parseGeometries( json.geometries, shapes ); + const images = this.parseImages( json.images, function () { + if ( onLoad !== undefined ) onLoad( object ); + } ); + const textures = this.parseTextures( json.textures, images ); + const materials = this.parseMaterials( json.materials, textures ); + const object = this.parseObject( json.object, geometries, materials, textures, animations ); + const skeletons = this.parseSkeletons( json.skeletons, object ); + this.bindSkeletons( object, skeletons ); + this.bindLightTargets( object ); + if ( onLoad !== undefined ) { + let hasImages = false; + for ( const uuid in images ) { + if ( images[ uuid ].data instanceof HTMLImageElement ) { + hasImages = true; + break; + } + } + if ( hasImages === false ) onLoad( object ); + } + return object; + } + async parseAsync( json ) { + const animations = this.parseAnimations( json.animations ); + const shapes = this.parseShapes( json.shapes ); + const geometries = this.parseGeometries( json.geometries, shapes ); + const images = await this.parseImagesAsync( json.images ); + const textures = this.parseTextures( json.textures, images ); + const materials = this.parseMaterials( json.materials, textures ); + const object = this.parseObject( json.object, geometries, materials, textures, animations ); + const skeletons = this.parseSkeletons( json.skeletons, object ); + this.bindSkeletons( object, skeletons ); + this.bindLightTargets( object ); + return object; + } + parseShapes( json ) { + const shapes = {}; + if ( json !== undefined ) { + for ( let i = 0, l = json.length; i < l; i ++ ) { + const shape = new Shape().fromJSON( json[ i ] ); + shapes[ shape.uuid ] = shape; + } + } + return shapes; + } + parseSkeletons( json, object ) { + const skeletons = {}; + const bones = {}; + object.traverse( function ( child ) { + if ( child.isBone ) bones[ child.uuid ] = child; + } ); + if ( json !== undefined ) { + for ( let i = 0, l = json.length; i < l; i ++ ) { + const skeleton = new Skeleton().fromJSON( json[ i ], bones ); + skeletons[ skeleton.uuid ] = skeleton; + } + } + return skeletons; + } + parseGeometries( json, shapes ) { + const geometries = {}; + if ( json !== undefined ) { + const bufferGeometryLoader = new BufferGeometryLoader(); + for ( let i = 0, l = json.length; i < l; i ++ ) { + let geometry; + const data = json[ i ]; + switch ( data.type ) { + case 'BufferGeometry': + case 'InstancedBufferGeometry': + geometry = bufferGeometryLoader.parse( data ); + break; + default: + if ( data.type in Geometries ) { + geometry = Geometries[ data.type ].fromJSON( data, shapes ); + } else { + console.warn( `THREE.ObjectLoader: Unsupported geometry type "${ data.type }"` ); + } + } + geometry.uuid = data.uuid; + if ( data.name !== undefined ) geometry.name = data.name; + if ( data.userData !== undefined ) geometry.userData = data.userData; + geometries[ data.uuid ] = geometry; + } + } + return geometries; + } + parseMaterials( json, textures ) { + const cache = {}; + const materials = {}; + if ( json !== undefined ) { + const loader = new MaterialLoader(); + loader.setTextures( textures ); + for ( let i = 0, l = json.length; i < l; i ++ ) { + const data = json[ i ]; + if ( cache[ data.uuid ] === undefined ) { + cache[ data.uuid ] = loader.parse( data ); + } + materials[ data.uuid ] = cache[ data.uuid ]; + } + } + return materials; + } + parseAnimations( json ) { + const animations = {}; + if ( json !== undefined ) { + for ( let i = 0; i < json.length; i ++ ) { + const data = json[ i ]; + const clip = AnimationClip.parse( data ); + animations[ clip.uuid ] = clip; + } + } + return animations; + } + parseImages( json, onLoad ) { + const scope = this; + const images = {}; + let loader; + function loadImage( url ) { + scope.manager.itemStart( url ); + return loader.load( url, function () { + scope.manager.itemEnd( url ); + }, undefined, function () { + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + } ); + } + function deserializeImage( image ) { + if ( typeof image === 'string' ) { + const url = image; + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; + return loadImage( path ); + } else { + if ( image.data ) { + return { + data: getTypedArray( image.type, image.data ), + width: image.width, + height: image.height + }; + } else { + return null; + } + } + } + if ( json !== undefined && json.length > 0 ) { + const manager = new LoadingManager( onLoad ); + loader = new ImageLoader( manager ); + loader.setCrossOrigin( this.crossOrigin ); + for ( let i = 0, il = json.length; i < il; i ++ ) { + const image = json[ i ]; + const url = image.url; + if ( Array.isArray( url ) ) { + const imageArray = []; + for ( let j = 0, jl = url.length; j < jl; j ++ ) { + const currentUrl = url[ j ]; + const deserializedImage = deserializeImage( currentUrl ); + if ( deserializedImage !== null ) { + if ( deserializedImage instanceof HTMLImageElement ) { + imageArray.push( deserializedImage ); + } else { + imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); + } + } + } + images[ image.uuid ] = new Source( imageArray ); + } else { + const deserializedImage = deserializeImage( image.url ); + images[ image.uuid ] = new Source( deserializedImage ); + } + } + } + return images; + } + async parseImagesAsync( json ) { + const scope = this; + const images = {}; + let loader; + async function deserializeImage( image ) { + if ( typeof image === 'string' ) { + const url = image; + const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; + return await loader.loadAsync( path ); + } else { + if ( image.data ) { + return { + data: getTypedArray( image.type, image.data ), + width: image.width, + height: image.height + }; + } else { + return null; + } + } + } + if ( json !== undefined && json.length > 0 ) { + loader = new ImageLoader( this.manager ); + loader.setCrossOrigin( this.crossOrigin ); + for ( let i = 0, il = json.length; i < il; i ++ ) { + const image = json[ i ]; + const url = image.url; + if ( Array.isArray( url ) ) { + const imageArray = []; + for ( let j = 0, jl = url.length; j < jl; j ++ ) { + const currentUrl = url[ j ]; + const deserializedImage = await deserializeImage( currentUrl ); + if ( deserializedImage !== null ) { + if ( deserializedImage instanceof HTMLImageElement ) { + imageArray.push( deserializedImage ); + } else { + imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); + } + } + } + images[ image.uuid ] = new Source( imageArray ); + } else { + const deserializedImage = await deserializeImage( image.url ); + images[ image.uuid ] = new Source( deserializedImage ); + } + } + } + return images; + } + parseTextures( json, images ) { + function parseConstant( value, type ) { + if ( typeof value === 'number' ) return value; + console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); + return type[ value ]; + } + const textures = {}; + if ( json !== undefined ) { + for ( let i = 0, l = json.length; i < l; i ++ ) { + const data = json[ i ]; + if ( data.image === undefined ) { + console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); + } + if ( images[ data.image ] === undefined ) { + console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); + } + const source = images[ data.image ]; + const image = source.data; + let texture; + if ( Array.isArray( image ) ) { + texture = new CubeTexture(); + if ( image.length === 6 ) texture.needsUpdate = true; + } else { + if ( image && image.data ) { + texture = new DataTexture(); + } else { + texture = new Texture(); + } + if ( image ) texture.needsUpdate = true; + } + texture.source = source; + texture.uuid = data.uuid; + if ( data.name !== undefined ) texture.name = data.name; + if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING ); + if ( data.channel !== undefined ) texture.channel = data.channel; + if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); + if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); + if ( data.center !== undefined ) texture.center.fromArray( data.center ); + if ( data.rotation !== undefined ) texture.rotation = data.rotation; + if ( data.wrap !== undefined ) { + texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING ); + texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING ); + } + if ( data.format !== undefined ) texture.format = data.format; + if ( data.internalFormat !== undefined ) texture.internalFormat = data.internalFormat; + if ( data.type !== undefined ) texture.type = data.type; + if ( data.colorSpace !== undefined ) texture.colorSpace = data.colorSpace; + if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER ); + if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER ); + if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; + if ( data.flipY !== undefined ) texture.flipY = data.flipY; + if ( data.generateMipmaps !== undefined ) texture.generateMipmaps = data.generateMipmaps; + if ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha; + if ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment; + if ( data.compareFunction !== undefined ) texture.compareFunction = data.compareFunction; + if ( data.userData !== undefined ) texture.userData = data.userData; + textures[ data.uuid ] = texture; + } + } + return textures; + } + parseObject( data, geometries, materials, textures, animations ) { + let object; + function getGeometry( name ) { + if ( geometries[ name ] === undefined ) { + console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); + } + return geometries[ name ]; + } + function getMaterial( name ) { + if ( name === undefined ) return undefined; + if ( Array.isArray( name ) ) { + const array = []; + for ( let i = 0, l = name.length; i < l; i ++ ) { + const uuid = name[ i ]; + if ( materials[ uuid ] === undefined ) { + console.warn( 'THREE.ObjectLoader: Undefined material', uuid ); + } + array.push( materials[ uuid ] ); + } + return array; + } + if ( materials[ name ] === undefined ) { + console.warn( 'THREE.ObjectLoader: Undefined material', name ); + } + return materials[ name ]; + } + function getTexture( uuid ) { + if ( textures[ uuid ] === undefined ) { + console.warn( 'THREE.ObjectLoader: Undefined texture', uuid ); + } + return textures[ uuid ]; + } + let geometry, material; + switch ( data.type ) { + case 'Scene': + object = new Scene(); + if ( data.background !== undefined ) { + if ( Number.isInteger( data.background ) ) { + object.background = new Color( data.background ); + } else { + object.background = getTexture( data.background ); + } + } + if ( data.environment !== undefined ) { + object.environment = getTexture( data.environment ); + } + if ( data.fog !== undefined ) { + if ( data.fog.type === 'Fog' ) { + object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); + } else if ( data.fog.type === 'FogExp2' ) { + object.fog = new FogExp2( data.fog.color, data.fog.density ); + } + if ( data.fog.name !== '' ) { + object.fog.name = data.fog.name; + } + } + if ( data.backgroundBlurriness !== undefined ) object.backgroundBlurriness = data.backgroundBlurriness; + if ( data.backgroundIntensity !== undefined ) object.backgroundIntensity = data.backgroundIntensity; + if ( data.backgroundRotation !== undefined ) object.backgroundRotation.fromArray( data.backgroundRotation ); + if ( data.environmentIntensity !== undefined ) object.environmentIntensity = data.environmentIntensity; + if ( data.environmentRotation !== undefined ) object.environmentRotation.fromArray( data.environmentRotation ); + break; + case 'PerspectiveCamera': + object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); + if ( data.focus !== undefined ) object.focus = data.focus; + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; + if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + break; + case 'OrthographicCamera': + object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); + if ( data.zoom !== undefined ) object.zoom = data.zoom; + if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); + break; + case 'AmbientLight': + object = new AmbientLight( data.color, data.intensity ); + break; + case 'DirectionalLight': + object = new DirectionalLight( data.color, data.intensity ); + object.target = data.target || ''; + break; + case 'PointLight': + object = new PointLight( data.color, data.intensity, data.distance, data.decay ); + break; + case 'RectAreaLight': + object = new RectAreaLight( data.color, data.intensity, data.width, data.height ); + break; + case 'SpotLight': + object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); + object.target = data.target || ''; + break; + case 'HemisphereLight': + object = new HemisphereLight( data.color, data.groundColor, data.intensity ); + break; + case 'LightProbe': + object = new LightProbe().fromJSON( data ); + break; + case 'SkinnedMesh': + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + object = new SkinnedMesh( geometry, material ); + if ( data.bindMode !== undefined ) object.bindMode = data.bindMode; + if ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix ); + if ( data.skeleton !== undefined ) object.skeleton = data.skeleton; + break; + case 'Mesh': + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + object = new Mesh( geometry, material ); + break; + case 'InstancedMesh': + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + const count = data.count; + const instanceMatrix = data.instanceMatrix; + const instanceColor = data.instanceColor; + object = new InstancedMesh( geometry, material, count ); + object.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 ); + if ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize ); + break; + case 'BatchedMesh': + geometry = getGeometry( data.geometry ); + material = getMaterial( data.material ); + object = new BatchedMesh( data.maxInstanceCount, data.maxVertexCount, data.maxIndexCount, material ); + object.geometry = geometry; + object.perObjectFrustumCulled = data.perObjectFrustumCulled; + object.sortObjects = data.sortObjects; + object._drawRanges = data.drawRanges; + object._reservedRanges = data.reservedRanges; + object._geometryInfo = data.geometryInfo.map( info => { + let box = null; + let sphere = null; + if ( info.boundingBox !== undefined ) { + box = new Box3().fromJSON( info.boundingBox ); + } + if ( info.boundingSphere !== undefined ) { + sphere = new Sphere().fromJSON( info.boundingSphere ); + } + return { + ...info, + boundingBox: box, + boundingSphere: sphere + }; + } ); + object._instanceInfo = data.instanceInfo; + object._availableInstanceIds = data._availableInstanceIds; + object._availableGeometryIds = data._availableGeometryIds; + object._nextIndexStart = data.nextIndexStart; + object._nextVertexStart = data.nextVertexStart; + object._geometryCount = data.geometryCount; + object._maxInstanceCount = data.maxInstanceCount; + object._maxVertexCount = data.maxVertexCount; + object._maxIndexCount = data.maxIndexCount; + object._geometryInitialized = data.geometryInitialized; + object._matricesTexture = getTexture( data.matricesTexture.uuid ); + object._indirectTexture = getTexture( data.indirectTexture.uuid ); + if ( data.colorsTexture !== undefined ) { + object._colorsTexture = getTexture( data.colorsTexture.uuid ); + } + if ( data.boundingSphere !== undefined ) { + object.boundingSphere = new Sphere().fromJSON( data.boundingSphere ); + } + if ( data.boundingBox !== undefined ) { + object.boundingBox = new Box3().fromJSON( data.boundingBox ); + } + break; + case 'LOD': + object = new LOD(); + break; + case 'Line': + object = new Line( getGeometry( data.geometry ), getMaterial( data.material ) ); + break; + case 'LineLoop': + object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) ); + break; + case 'LineSegments': + object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); + break; + case 'PointCloud': + case 'Points': + object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); + break; + case 'Sprite': + object = new Sprite( getMaterial( data.material ) ); + break; + case 'Group': + object = new Group(); + break; + case 'Bone': + object = new Bone(); + break; + default: + object = new Object3D(); + } + object.uuid = data.uuid; + if ( data.name !== undefined ) object.name = data.name; + if ( data.matrix !== undefined ) { + object.matrix.fromArray( data.matrix ); + if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate; + if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale ); + } else { + if ( data.position !== undefined ) object.position.fromArray( data.position ); + if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); + if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); + if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); + } + if ( data.up !== undefined ) object.up.fromArray( data.up ); + if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; + if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; + if ( data.shadow ) { + if ( data.shadow.intensity !== undefined ) object.shadow.intensity = data.shadow.intensity; + if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; + if ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias; + if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; + if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); + if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); + } + if ( data.visible !== undefined ) object.visible = data.visible; + if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled; + if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder; + if ( data.userData !== undefined ) object.userData = data.userData; + if ( data.layers !== undefined ) object.layers.mask = data.layers; + if ( data.children !== undefined ) { + const children = data.children; + for ( let i = 0; i < children.length; i ++ ) { + object.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) ); + } + } + if ( data.animations !== undefined ) { + const objectAnimations = data.animations; + for ( let i = 0; i < objectAnimations.length; i ++ ) { + const uuid = objectAnimations[ i ]; + object.animations.push( animations[ uuid ] ); + } + } + if ( data.type === 'LOD' ) { + if ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate; + const levels = data.levels; + for ( let l = 0; l < levels.length; l ++ ) { + const level = levels[ l ]; + const child = object.getObjectByProperty( 'uuid', level.object ); + if ( child !== undefined ) { + object.addLevel( child, level.distance, level.hysteresis ); + } + } + } + return object; + } + bindSkeletons( object, skeletons ) { + if ( Object.keys( skeletons ).length === 0 ) return; + object.traverse( function ( child ) { + if ( child.isSkinnedMesh === true && child.skeleton !== undefined ) { + const skeleton = skeletons[ child.skeleton ]; + if ( skeleton === undefined ) { + console.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton ); + } else { + child.bind( skeleton, child.bindMatrix ); + } + } + } ); + } + bindLightTargets( object ) { + object.traverse( function ( child ) { + if ( child.isDirectionalLight || child.isSpotLight ) { + const uuid = child.target; + const target = object.getObjectByProperty( 'uuid', uuid ); + if ( target !== undefined ) { + child.target = target; + } else { + child.target = new Object3D(); + } + } + } ); + } + } + const TEXTURE_MAPPING = { + UVMapping: UVMapping, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + CubeUVReflectionMapping: CubeUVReflectionMapping + }; + const TEXTURE_WRAPPING = { + RepeatWrapping: RepeatWrapping, + ClampToEdgeWrapping: ClampToEdgeWrapping, + MirroredRepeatWrapping: MirroredRepeatWrapping + }; + const TEXTURE_FILTER = { + NearestFilter: NearestFilter, + NearestMipmapNearestFilter: NearestMipmapNearestFilter, + NearestMipmapLinearFilter: NearestMipmapLinearFilter, + LinearFilter: LinearFilter, + LinearMipmapNearestFilter: LinearMipmapNearestFilter, + LinearMipmapLinearFilter: LinearMipmapLinearFilter + }; + const _errorMap = new WeakMap(); + class ImageBitmapLoader extends Loader { + constructor( manager ) { + super( manager ); + this.isImageBitmapLoader = true; + if ( typeof createImageBitmap === 'undefined' ) { + console.warn( 'THREE.ImageBitmapLoader: createImageBitmap() not supported.' ); + } + if ( typeof fetch === 'undefined' ) { + console.warn( 'THREE.ImageBitmapLoader: fetch() not supported.' ); + } + this.options = { premultiplyAlpha: 'none' }; + } + setOptions( options ) { + this.options = options; + return this; + } + load( url, onLoad, onProgress, onError ) { + if ( url === undefined ) url = ''; + if ( this.path !== undefined ) url = this.path + url; + url = this.manager.resolveURL( url ); + const scope = this; + const cached = Cache.get( `image-bitmap:${url}` ); + if ( cached !== undefined ) { + scope.manager.itemStart( url ); + if ( cached.then ) { + cached.then( imageBitmap => { + if ( _errorMap.has( cached ) === true ) { + if ( onError ) onError( _errorMap.get( cached ) ); + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + } else { + if ( onLoad ) onLoad( imageBitmap ); + scope.manager.itemEnd( url ); + return imageBitmap; + } + } ); + return; + } + setTimeout( function () { + if ( onLoad ) onLoad( cached ); + scope.manager.itemEnd( url ); + }, 0 ); + return cached; + } + const fetchOptions = {}; + fetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include'; + fetchOptions.headers = this.requestHeader; + const promise = fetch( url, fetchOptions ).then( function ( res ) { + return res.blob(); + } ).then( function ( blob ) { + return createImageBitmap( blob, Object.assign( scope.options, { colorSpaceConversion: 'none' } ) ); + } ).then( function ( imageBitmap ) { + Cache.add( `image-bitmap:${url}`, imageBitmap ); + if ( onLoad ) onLoad( imageBitmap ); + scope.manager.itemEnd( url ); + return imageBitmap; + } ).catch( function ( e ) { + if ( onError ) onError( e ); + _errorMap.set( promise, e ); + Cache.remove( `image-bitmap:${url}` ); + scope.manager.itemError( url ); + scope.manager.itemEnd( url ); + } ); + Cache.add( `image-bitmap:${url}`, promise ); + scope.manager.itemStart( url ); + } + } + let _context; + class AudioContext { + static getContext() { + if ( _context === undefined ) { + _context = new ( window.AudioContext || window.webkitAudioContext )(); + } + return _context; + } + static setContext( value ) { + _context = value; + } + } + class AudioLoader extends Loader { + constructor( manager ) { + super( manager ); + } + load( url, onLoad, onProgress, onError ) { + const scope = this; + const loader = new FileLoader( this.manager ); + loader.setResponseType( 'arraybuffer' ); + loader.setPath( this.path ); + loader.setRequestHeader( this.requestHeader ); + loader.setWithCredentials( this.withCredentials ); + loader.load( url, function ( buffer ) { + try { + const bufferCopy = buffer.slice( 0 ); + const context = AudioContext.getContext(); + context.decodeAudioData( bufferCopy, function ( audioBuffer ) { + onLoad( audioBuffer ); + } ).catch( handleError ); + } catch ( e ) { + handleError( e ); + } + }, onProgress, onError ); + function handleError( e ) { + if ( onError ) { + onError( e ); + } else { + console.error( e ); + } + scope.manager.itemError( url ); + } + } + } + const _eyeRight = new Matrix4(); + const _eyeLeft = new Matrix4(); + const _projectionMatrix = new Matrix4(); + class StereoCamera { + constructor() { + this.type = 'StereoCamera'; + this.aspect = 1; + this.eyeSep = 0.064; + this.cameraL = new PerspectiveCamera(); + this.cameraL.layers.enable( 1 ); + this.cameraL.matrixAutoUpdate = false; + this.cameraR = new PerspectiveCamera(); + this.cameraR.layers.enable( 2 ); + this.cameraR.matrixAutoUpdate = false; + this._cache = { + focus: null, + fov: null, + aspect: null, + near: null, + far: null, + zoom: null, + eyeSep: null + }; + } + update( camera ) { + const cache = this._cache; + const needsUpdate = cache.focus !== camera.focus || cache.fov !== camera.fov || + cache.aspect !== camera.aspect * this.aspect || cache.near !== camera.near || + cache.far !== camera.far || cache.zoom !== camera.zoom || cache.eyeSep !== this.eyeSep; + if ( needsUpdate ) { + cache.focus = camera.focus; + cache.fov = camera.fov; + cache.aspect = camera.aspect * this.aspect; + cache.near = camera.near; + cache.far = camera.far; + cache.zoom = camera.zoom; + cache.eyeSep = this.eyeSep; + _projectionMatrix.copy( camera.projectionMatrix ); + const eyeSepHalf = cache.eyeSep / 2; + const eyeSepOnProjection = eyeSepHalf * cache.near / cache.focus; + const ymax = ( cache.near * Math.tan( DEG2RAD * cache.fov * 0.5 ) ) / cache.zoom; + let xmin, xmax; + _eyeLeft.elements[ 12 ] = - eyeSepHalf; + _eyeRight.elements[ 12 ] = eyeSepHalf; + xmin = - ymax * cache.aspect + eyeSepOnProjection; + xmax = ymax * cache.aspect + eyeSepOnProjection; + _projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + _projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + this.cameraL.projectionMatrix.copy( _projectionMatrix ); + xmin = - ymax * cache.aspect - eyeSepOnProjection; + xmax = ymax * cache.aspect - eyeSepOnProjection; + _projectionMatrix.elements[ 0 ] = 2 * cache.near / ( xmax - xmin ); + _projectionMatrix.elements[ 8 ] = ( xmax + xmin ) / ( xmax - xmin ); + this.cameraR.projectionMatrix.copy( _projectionMatrix ); + } + this.cameraL.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeLeft ); + this.cameraR.matrixWorld.copy( camera.matrixWorld ).multiply( _eyeRight ); + } + } + class ArrayCamera extends PerspectiveCamera { + constructor( array = [] ) { + super(); + this.isArrayCamera = true; + this.isMultiViewCamera = false; + this.cameras = array; + } + } + class Clock { + constructor( autoStart = true ) { + this.autoStart = autoStart; + this.startTime = 0; + this.oldTime = 0; + this.elapsedTime = 0; + this.running = false; + } + start() { + this.startTime = performance.now(); + this.oldTime = this.startTime; + this.elapsedTime = 0; + this.running = true; + } + stop() { + this.getElapsedTime(); + this.running = false; + this.autoStart = false; + } + getElapsedTime() { + this.getDelta(); + return this.elapsedTime; + } + getDelta() { + let diff = 0; + if ( this.autoStart && ! this.running ) { + this.start(); + return 0; + } + if ( this.running ) { + const newTime = performance.now(); + diff = ( newTime - this.oldTime ) / 1000; + this.oldTime = newTime; + this.elapsedTime += diff; + } + return diff; + } + } + const _position$1 = new Vector3(); + const _quaternion$1 = new Quaternion(); + const _scale$1 = new Vector3(); + const _forward = new Vector3(); + const _up = new Vector3(); + class AudioListener extends Object3D { + constructor() { + super(); + this.type = 'AudioListener'; + this.context = AudioContext.getContext(); + this.gain = this.context.createGain(); + this.gain.connect( this.context.destination ); + this.filter = null; + this.timeDelta = 0; + this._clock = new Clock(); + } + getInput() { + return this.gain; + } + removeFilter() { + if ( this.filter !== null ) { + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + this.gain.connect( this.context.destination ); + this.filter = null; + } + return this; + } + getFilter() { + return this.filter; + } + setFilter( value ) { + if ( this.filter !== null ) { + this.gain.disconnect( this.filter ); + this.filter.disconnect( this.context.destination ); + } else { + this.gain.disconnect( this.context.destination ); + } + this.filter = value; + this.gain.connect( this.filter ); + this.filter.connect( this.context.destination ); + return this; + } + getMasterVolume() { + return this.gain.gain.value; + } + setMasterVolume( value ) { + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + return this; + } + updateMatrixWorld( force ) { + super.updateMatrixWorld( force ); + const listener = this.context.listener; + this.timeDelta = this._clock.getDelta(); + this.matrixWorld.decompose( _position$1, _quaternion$1, _scale$1 ); + _forward.set( 0, 0, -1 ).applyQuaternion( _quaternion$1 ); + _up.set( 0, 1, 0 ).applyQuaternion( _quaternion$1 ); + if ( listener.positionX ) { + const endTime = this.context.currentTime + this.timeDelta; + listener.positionX.linearRampToValueAtTime( _position$1.x, endTime ); + listener.positionY.linearRampToValueAtTime( _position$1.y, endTime ); + listener.positionZ.linearRampToValueAtTime( _position$1.z, endTime ); + listener.forwardX.linearRampToValueAtTime( _forward.x, endTime ); + listener.forwardY.linearRampToValueAtTime( _forward.y, endTime ); + listener.forwardZ.linearRampToValueAtTime( _forward.z, endTime ); + listener.upX.linearRampToValueAtTime( _up.x, endTime ); + listener.upY.linearRampToValueAtTime( _up.y, endTime ); + listener.upZ.linearRampToValueAtTime( _up.z, endTime ); + } else { + listener.setPosition( _position$1.x, _position$1.y, _position$1.z ); + listener.setOrientation( _forward.x, _forward.y, _forward.z, _up.x, _up.y, _up.z ); + } + } + } + class Audio extends Object3D { + constructor( listener ) { + super(); + this.type = 'Audio'; + this.listener = listener; + this.context = listener.context; + this.gain = this.context.createGain(); + this.gain.connect( listener.getInput() ); + this.autoplay = false; + this.buffer = null; + this.detune = 0; + this.loop = false; + this.loopStart = 0; + this.loopEnd = 0; + this.offset = 0; + this.duration = undefined; + this.playbackRate = 1; + this.isPlaying = false; + this.hasPlaybackControl = true; + this.source = null; + this.sourceType = 'empty'; + this._startedAt = 0; + this._progress = 0; + this._connected = false; + this.filters = []; + } + getOutput() { + return this.gain; + } + setNodeSource( audioNode ) { + this.hasPlaybackControl = false; + this.sourceType = 'audioNode'; + this.source = audioNode; + this.connect(); + return this; + } + setMediaElementSource( mediaElement ) { + this.hasPlaybackControl = false; + this.sourceType = 'mediaNode'; + this.source = this.context.createMediaElementSource( mediaElement ); + this.connect(); + return this; + } + setMediaStreamSource( mediaStream ) { + this.hasPlaybackControl = false; + this.sourceType = 'mediaStreamNode'; + this.source = this.context.createMediaStreamSource( mediaStream ); + this.connect(); + return this; + } + setBuffer( audioBuffer ) { + this.buffer = audioBuffer; + this.sourceType = 'buffer'; + if ( this.autoplay ) this.play(); + return this; + } + play( delay = 0 ) { + if ( this.isPlaying === true ) { + console.warn( 'THREE.Audio: Audio is already playing.' ); + return; + } + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + } + this._startedAt = this.context.currentTime + delay; + const source = this.context.createBufferSource(); + source.buffer = this.buffer; + source.loop = this.loop; + source.loopStart = this.loopStart; + source.loopEnd = this.loopEnd; + source.onended = this.onEnded.bind( this ); + source.start( this._startedAt, this._progress + this.offset, this.duration ); + this.isPlaying = true; + this.source = source; + this.setDetune( this.detune ); + this.setPlaybackRate( this.playbackRate ); + return this.connect(); + } + pause() { + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + } + if ( this.isPlaying === true ) { + this._progress += Math.max( this.context.currentTime - this._startedAt, 0 ) * this.playbackRate; + if ( this.loop === true ) { + this._progress = this._progress % ( this.duration || this.buffer.duration ); + } + this.source.stop(); + this.source.onended = null; + this.isPlaying = false; + } + return this; + } + stop( delay = 0 ) { + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + } + this._progress = 0; + if ( this.source !== null ) { + this.source.stop( this.context.currentTime + delay ); + this.source.onended = null; + } + this.isPlaying = false; + return this; + } + connect() { + if ( this.filters.length > 0 ) { + this.source.connect( this.filters[ 0 ] ); + for ( let i = 1, l = this.filters.length; i < l; i ++ ) { + this.filters[ i - 1 ].connect( this.filters[ i ] ); + } + this.filters[ this.filters.length - 1 ].connect( this.getOutput() ); + } else { + this.source.connect( this.getOutput() ); + } + this._connected = true; + return this; + } + disconnect() { + if ( this._connected === false ) { + return; + } + if ( this.filters.length > 0 ) { + this.source.disconnect( this.filters[ 0 ] ); + for ( let i = 1, l = this.filters.length; i < l; i ++ ) { + this.filters[ i - 1 ].disconnect( this.filters[ i ] ); + } + this.filters[ this.filters.length - 1 ].disconnect( this.getOutput() ); + } else { + this.source.disconnect( this.getOutput() ); + } + this._connected = false; + return this; + } + getFilters() { + return this.filters; + } + setFilters( value ) { + if ( ! value ) value = []; + if ( this._connected === true ) { + this.disconnect(); + this.filters = value.slice(); + this.connect(); + } else { + this.filters = value.slice(); + } + return this; + } + setDetune( value ) { + this.detune = value; + if ( this.isPlaying === true && this.source.detune !== undefined ) { + this.source.detune.setTargetAtTime( this.detune, this.context.currentTime, 0.01 ); + } + return this; + } + getDetune() { + return this.detune; + } + getFilter() { + return this.getFilters()[ 0 ]; + } + setFilter( filter ) { + return this.setFilters( filter ? [ filter ] : [] ); + } + setPlaybackRate( value ) { + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + } + this.playbackRate = value; + if ( this.isPlaying === true ) { + this.source.playbackRate.setTargetAtTime( this.playbackRate, this.context.currentTime, 0.01 ); + } + return this; + } + getPlaybackRate() { + return this.playbackRate; + } + onEnded() { + this.isPlaying = false; + this._progress = 0; + } + getLoop() { + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return false; + } + return this.loop; + } + setLoop( value ) { + if ( this.hasPlaybackControl === false ) { + console.warn( 'THREE.Audio: this Audio has no playback control.' ); + return; + } + this.loop = value; + if ( this.isPlaying === true ) { + this.source.loop = this.loop; + } + return this; + } + setLoopStart( value ) { + this.loopStart = value; + return this; + } + setLoopEnd( value ) { + this.loopEnd = value; + return this; + } + getVolume() { + return this.gain.gain.value; + } + setVolume( value ) { + this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 ); + return this; + } + copy( source, recursive ) { + super.copy( source, recursive ); + if ( source.sourceType !== 'buffer' ) { + console.warn( 'THREE.Audio: Audio source type cannot be copied.' ); + return this; + } + this.autoplay = source.autoplay; + this.buffer = source.buffer; + this.detune = source.detune; + this.loop = source.loop; + this.loopStart = source.loopStart; + this.loopEnd = source.loopEnd; + this.offset = source.offset; + this.duration = source.duration; + this.playbackRate = source.playbackRate; + this.hasPlaybackControl = source.hasPlaybackControl; + this.sourceType = source.sourceType; + this.filters = source.filters.slice(); + return this; + } + clone( recursive ) { + return new this.constructor( this.listener ).copy( this, recursive ); + } + } + const _position = new Vector3(); + const _quaternion = new Quaternion(); + const _scale = new Vector3(); + const _orientation = new Vector3(); + class PositionalAudio extends Audio { + constructor( listener ) { + super( listener ); + this.panner = this.context.createPanner(); + this.panner.panningModel = 'HRTF'; + this.panner.connect( this.gain ); + } + connect() { + super.connect(); + this.panner.connect( this.gain ); + return this; + } + disconnect() { + super.disconnect(); + this.panner.disconnect( this.gain ); + return this; + } + getOutput() { + return this.panner; + } + getRefDistance() { + return this.panner.refDistance; + } + setRefDistance( value ) { + this.panner.refDistance = value; + return this; + } + getRolloffFactor() { + return this.panner.rolloffFactor; + } + setRolloffFactor( value ) { + this.panner.rolloffFactor = value; + return this; + } + getDistanceModel() { + return this.panner.distanceModel; + } + setDistanceModel( value ) { + this.panner.distanceModel = value; + return this; + } + getMaxDistance() { + return this.panner.maxDistance; + } + setMaxDistance( value ) { + this.panner.maxDistance = value; + return this; + } + setDirectionalCone( coneInnerAngle, coneOuterAngle, coneOuterGain ) { + this.panner.coneInnerAngle = coneInnerAngle; + this.panner.coneOuterAngle = coneOuterAngle; + this.panner.coneOuterGain = coneOuterGain; + return this; + } + updateMatrixWorld( force ) { + super.updateMatrixWorld( force ); + if ( this.hasPlaybackControl === true && this.isPlaying === false ) return; + this.matrixWorld.decompose( _position, _quaternion, _scale ); + _orientation.set( 0, 0, 1 ).applyQuaternion( _quaternion ); + const panner = this.panner; + if ( panner.positionX ) { + const endTime = this.context.currentTime + this.listener.timeDelta; + panner.positionX.linearRampToValueAtTime( _position.x, endTime ); + panner.positionY.linearRampToValueAtTime( _position.y, endTime ); + panner.positionZ.linearRampToValueAtTime( _position.z, endTime ); + panner.orientationX.linearRampToValueAtTime( _orientation.x, endTime ); + panner.orientationY.linearRampToValueAtTime( _orientation.y, endTime ); + panner.orientationZ.linearRampToValueAtTime( _orientation.z, endTime ); + } else { + panner.setPosition( _position.x, _position.y, _position.z ); + panner.setOrientation( _orientation.x, _orientation.y, _orientation.z ); + } + } + } + class AudioAnalyser { + constructor( audio, fftSize = 2048 ) { + this.analyser = audio.context.createAnalyser(); + this.analyser.fftSize = fftSize; + this.data = new Uint8Array( this.analyser.frequencyBinCount ); + audio.getOutput().connect( this.analyser ); + } + getFrequencyData() { + this.analyser.getByteFrequencyData( this.data ); + return this.data; + } + getAverageFrequency() { + let value = 0; + const data = this.getFrequencyData(); + for ( let i = 0; i < data.length; i ++ ) { + value += data[ i ]; + } + return value / data.length; + } + } + class PropertyMixer { + constructor( binding, typeName, valueSize ) { + this.binding = binding; + this.valueSize = valueSize; + let mixFunction, + mixFunctionAdditive, + setIdentity; + switch ( typeName ) { + case 'quaternion': + mixFunction = this._slerp; + mixFunctionAdditive = this._slerpAdditive; + setIdentity = this._setAdditiveIdentityQuaternion; + this.buffer = new Float64Array( valueSize * 6 ); + this._workIndex = 5; + break; + case 'string': + case 'bool': + mixFunction = this._select; + mixFunctionAdditive = this._select; + setIdentity = this._setAdditiveIdentityOther; + this.buffer = new Array( valueSize * 5 ); + break; + default: + mixFunction = this._lerp; + mixFunctionAdditive = this._lerpAdditive; + setIdentity = this._setAdditiveIdentityNumeric; + this.buffer = new Float64Array( valueSize * 5 ); + } + this._mixBufferRegion = mixFunction; + this._mixBufferRegionAdditive = mixFunctionAdditive; + this._setIdentity = setIdentity; + this._origIndex = 3; + this._addIndex = 4; + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + this.useCount = 0; + this.referenceCount = 0; + } + accumulate( accuIndex, weight ) { + const buffer = this.buffer, + stride = this.valueSize, + offset = accuIndex * stride + stride; + let currentWeight = this.cumulativeWeight; + if ( currentWeight === 0 ) { + for ( let i = 0; i !== stride; ++ i ) { + buffer[ offset + i ] = buffer[ i ]; + } + currentWeight = weight; + } else { + currentWeight += weight; + const mix = weight / currentWeight; + this._mixBufferRegion( buffer, offset, 0, mix, stride ); + } + this.cumulativeWeight = currentWeight; + } + accumulateAdditive( weight ) { + const buffer = this.buffer, + stride = this.valueSize, + offset = stride * this._addIndex; + if ( this.cumulativeWeightAdditive === 0 ) { + this._setIdentity(); + } + this._mixBufferRegionAdditive( buffer, offset, 0, weight, stride ); + this.cumulativeWeightAdditive += weight; + } + apply( accuIndex ) { + const stride = this.valueSize, + buffer = this.buffer, + offset = accuIndex * stride + stride, + weight = this.cumulativeWeight, + weightAdditive = this.cumulativeWeightAdditive, + binding = this.binding; + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + if ( weight < 1 ) { + const originalValueOffset = stride * this._origIndex; + this._mixBufferRegion( + buffer, offset, originalValueOffset, 1 - weight, stride ); + } + if ( weightAdditive > 0 ) { + this._mixBufferRegionAdditive( buffer, offset, this._addIndex * stride, 1, stride ); + } + for ( let i = stride, e = stride + stride; i !== e; ++ i ) { + if ( buffer[ i ] !== buffer[ i + stride ] ) { + binding.setValue( buffer, offset ); + break; + } + } + } + saveOriginalState() { + const binding = this.binding; + const buffer = this.buffer, + stride = this.valueSize, + originalValueOffset = stride * this._origIndex; + binding.getValue( buffer, originalValueOffset ); + for ( let i = stride, e = originalValueOffset; i !== e; ++ i ) { + buffer[ i ] = buffer[ originalValueOffset + ( i % stride ) ]; + } + this._setIdentity(); + this.cumulativeWeight = 0; + this.cumulativeWeightAdditive = 0; + } + restoreOriginalState() { + const originalValueOffset = this.valueSize * 3; + this.binding.setValue( this.buffer, originalValueOffset ); + } + _setAdditiveIdentityNumeric() { + const startIndex = this._addIndex * this.valueSize; + const endIndex = startIndex + this.valueSize; + for ( let i = startIndex; i < endIndex; i ++ ) { + this.buffer[ i ] = 0; + } + } + _setAdditiveIdentityQuaternion() { + this._setAdditiveIdentityNumeric(); + this.buffer[ this._addIndex * this.valueSize + 3 ] = 1; + } + _setAdditiveIdentityOther() { + const startIndex = this._origIndex * this.valueSize; + const targetIndex = this._addIndex * this.valueSize; + for ( let i = 0; i < this.valueSize; i ++ ) { + this.buffer[ targetIndex + i ] = this.buffer[ startIndex + i ]; + } + } + _select( buffer, dstOffset, srcOffset, t, stride ) { + if ( t >= 0.5 ) { + for ( let i = 0; i !== stride; ++ i ) { + buffer[ dstOffset + i ] = buffer[ srcOffset + i ]; + } + } + } + _slerp( buffer, dstOffset, srcOffset, t ) { + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, srcOffset, t ); + } + _slerpAdditive( buffer, dstOffset, srcOffset, t, stride ) { + const workOffset = this._workIndex * stride; + Quaternion.multiplyQuaternionsFlat( buffer, workOffset, buffer, dstOffset, buffer, srcOffset ); + Quaternion.slerpFlat( buffer, dstOffset, buffer, dstOffset, buffer, workOffset, t ); + } + _lerp( buffer, dstOffset, srcOffset, t, stride ) { + const s = 1 - t; + for ( let i = 0; i !== stride; ++ i ) { + const j = dstOffset + i; + buffer[ j ] = buffer[ j ] * s + buffer[ srcOffset + i ] * t; + } + } + _lerpAdditive( buffer, dstOffset, srcOffset, t, stride ) { + for ( let i = 0; i !== stride; ++ i ) { + const j = dstOffset + i; + buffer[ j ] = buffer[ j ] + buffer[ srcOffset + i ] * t; + } + } + } + const _RESERVED_CHARS_RE = '\\[\\]\\.:\\/'; + const _reservedRe = new RegExp( '[' + _RESERVED_CHARS_RE + ']', 'g' ); + const _wordChar = '[^' + _RESERVED_CHARS_RE + ']'; + const _wordCharOrDot = '[^' + _RESERVED_CHARS_RE.replace( '\\.', '' ) + ']'; + const _directoryRe = /((?:WC+[\/:])*)/.source.replace( 'WC', _wordChar ); + const _nodeRe = /(WCOD+)?/.source.replace( 'WCOD', _wordCharOrDot ); + const _objectRe = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace( 'WC', _wordChar ); + const _propertyRe = /\.(WC+)(?:\[(.+)\])?/.source.replace( 'WC', _wordChar ); + const _trackRe = new RegExp( '' + + '^' + + _directoryRe + + _nodeRe + + _objectRe + + _propertyRe + + '$' + ); + const _supportedObjectNames = [ 'material', 'materials', 'bones', 'map' ]; + class Composite { + constructor( targetGroup, path, optionalParsedPath ) { + const parsedPath = optionalParsedPath || PropertyBinding.parseTrackName( path ); + this._targetGroup = targetGroup; + this._bindings = targetGroup.subscribe_( path, parsedPath ); + } + getValue( array, offset ) { + this.bind(); + const firstValidIndex = this._targetGroup.nCachedObjects_, + binding = this._bindings[ firstValidIndex ]; + if ( binding !== undefined ) binding.getValue( array, offset ); + } + setValue( array, offset ) { + const bindings = this._bindings; + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + bindings[ i ].setValue( array, offset ); + } + } + bind() { + const bindings = this._bindings; + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + bindings[ i ].bind(); + } + } + unbind() { + const bindings = this._bindings; + for ( let i = this._targetGroup.nCachedObjects_, n = bindings.length; i !== n; ++ i ) { + bindings[ i ].unbind(); + } + } + } + class PropertyBinding { + constructor( rootNode, path, parsedPath ) { + this.path = path; + this.parsedPath = parsedPath || PropertyBinding.parseTrackName( path ); + this.node = PropertyBinding.findNode( rootNode, this.parsedPath.nodeName ); + this.rootNode = rootNode; + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + } + static create( root, path, parsedPath ) { + if ( ! ( root && root.isAnimationObjectGroup ) ) { + return new PropertyBinding( root, path, parsedPath ); + } else { + return new PropertyBinding.Composite( root, path, parsedPath ); + } + } + static sanitizeNodeName( name ) { + return name.replace( /\s/g, '_' ).replace( _reservedRe, '' ); + } + static parseTrackName( trackName ) { + const matches = _trackRe.exec( trackName ); + if ( matches === null ) { + throw new Error( 'PropertyBinding: Cannot parse trackName: ' + trackName ); + } + const results = { + nodeName: matches[ 2 ], + objectName: matches[ 3 ], + objectIndex: matches[ 4 ], + propertyName: matches[ 5 ], + propertyIndex: matches[ 6 ] + }; + const lastDot = results.nodeName && results.nodeName.lastIndexOf( '.' ); + if ( lastDot !== undefined && lastDot !== -1 ) { + const objectName = results.nodeName.substring( lastDot + 1 ); + if ( _supportedObjectNames.indexOf( objectName ) !== -1 ) { + results.nodeName = results.nodeName.substring( 0, lastDot ); + results.objectName = objectName; + } + } + if ( results.propertyName === null || results.propertyName.length === 0 ) { + throw new Error( 'PropertyBinding: can not parse propertyName from trackName: ' + trackName ); + } + return results; + } + static findNode( root, nodeName ) { + if ( nodeName === undefined || nodeName === '' || nodeName === '.' || nodeName === -1 || nodeName === root.name || nodeName === root.uuid ) { + return root; + } + if ( root.skeleton ) { + const bone = root.skeleton.getBoneByName( nodeName ); + if ( bone !== undefined ) { + return bone; + } + } + if ( root.children ) { + const searchNodeSubtree = function ( children ) { + for ( let i = 0; i < children.length; i ++ ) { + const childNode = children[ i ]; + if ( childNode.name === nodeName || childNode.uuid === nodeName ) { + return childNode; + } + const result = searchNodeSubtree( childNode.children ); + if ( result ) return result; + } + return null; + }; + const subTreeNode = searchNodeSubtree( root.children ); + if ( subTreeNode ) { + return subTreeNode; + } + } + return null; + } + _getValue_unavailable() {} + _setValue_unavailable() {} + _getValue_direct( buffer, offset ) { + buffer[ offset ] = this.targetObject[ this.propertyName ]; + } + _getValue_array( buffer, offset ) { + const source = this.resolvedProperty; + for ( let i = 0, n = source.length; i !== n; ++ i ) { + buffer[ offset ++ ] = source[ i ]; + } + } + _getValue_arrayElement( buffer, offset ) { + buffer[ offset ] = this.resolvedProperty[ this.propertyIndex ]; + } + _getValue_toArray( buffer, offset ) { + this.resolvedProperty.toArray( buffer, offset ); + } + _setValue_direct( buffer, offset ) { + this.targetObject[ this.propertyName ] = buffer[ offset ]; + } + _setValue_direct_setNeedsUpdate( buffer, offset ) { + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + } + _setValue_direct_setMatrixWorldNeedsUpdate( buffer, offset ) { + this.targetObject[ this.propertyName ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + } + _setValue_array( buffer, offset ) { + const dest = this.resolvedProperty; + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + dest[ i ] = buffer[ offset ++ ]; + } + } + _setValue_array_setNeedsUpdate( buffer, offset ) { + const dest = this.resolvedProperty; + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + dest[ i ] = buffer[ offset ++ ]; + } + this.targetObject.needsUpdate = true; + } + _setValue_array_setMatrixWorldNeedsUpdate( buffer, offset ) { + const dest = this.resolvedProperty; + for ( let i = 0, n = dest.length; i !== n; ++ i ) { + dest[ i ] = buffer[ offset ++ ]; + } + this.targetObject.matrixWorldNeedsUpdate = true; + } + _setValue_arrayElement( buffer, offset ) { + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + } + _setValue_arrayElement_setNeedsUpdate( buffer, offset ) { + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.needsUpdate = true; + } + _setValue_arrayElement_setMatrixWorldNeedsUpdate( buffer, offset ) { + this.resolvedProperty[ this.propertyIndex ] = buffer[ offset ]; + this.targetObject.matrixWorldNeedsUpdate = true; + } + _setValue_fromArray( buffer, offset ) { + this.resolvedProperty.fromArray( buffer, offset ); + } + _setValue_fromArray_setNeedsUpdate( buffer, offset ) { + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.needsUpdate = true; + } + _setValue_fromArray_setMatrixWorldNeedsUpdate( buffer, offset ) { + this.resolvedProperty.fromArray( buffer, offset ); + this.targetObject.matrixWorldNeedsUpdate = true; + } + _getValue_unbound( targetArray, offset ) { + this.bind(); + this.getValue( targetArray, offset ); + } + _setValue_unbound( sourceArray, offset ) { + this.bind(); + this.setValue( sourceArray, offset ); + } + bind() { + let targetObject = this.node; + const parsedPath = this.parsedPath; + const objectName = parsedPath.objectName; + const propertyName = parsedPath.propertyName; + let propertyIndex = parsedPath.propertyIndex; + if ( ! targetObject ) { + targetObject = PropertyBinding.findNode( this.rootNode, parsedPath.nodeName ); + this.node = targetObject; + } + this.getValue = this._getValue_unavailable; + this.setValue = this._setValue_unavailable; + if ( ! targetObject ) { + console.warn( 'THREE.PropertyBinding: No target node found for track: ' + this.path + '.' ); + return; + } + if ( objectName ) { + let objectIndex = parsedPath.objectIndex; + switch ( objectName ) { + case 'materials': + if ( ! targetObject.material ) { + console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); + return; + } + if ( ! targetObject.material.materials ) { + console.error( 'THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.', this ); + return; + } + targetObject = targetObject.material.materials; + break; + case 'bones': + if ( ! targetObject.skeleton ) { + console.error( 'THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.', this ); + return; + } + targetObject = targetObject.skeleton.bones; + for ( let i = 0; i < targetObject.length; i ++ ) { + if ( targetObject[ i ].name === objectIndex ) { + objectIndex = i; + break; + } + } + break; + case 'map': + if ( 'map' in targetObject ) { + targetObject = targetObject.map; + break; + } + if ( ! targetObject.material ) { + console.error( 'THREE.PropertyBinding: Can not bind to material as node does not have a material.', this ); + return; + } + if ( ! targetObject.material.map ) { + console.error( 'THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.', this ); + return; + } + targetObject = targetObject.material.map; + break; + default: + if ( targetObject[ objectName ] === undefined ) { + console.error( 'THREE.PropertyBinding: Can not bind to objectName of node undefined.', this ); + return; + } + targetObject = targetObject[ objectName ]; + } + if ( objectIndex !== undefined ) { + if ( targetObject[ objectIndex ] === undefined ) { + console.error( 'THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.', this, targetObject ); + return; + } + targetObject = targetObject[ objectIndex ]; + } + } + const nodeProperty = targetObject[ propertyName ]; + if ( nodeProperty === undefined ) { + const nodeName = parsedPath.nodeName; + console.error( 'THREE.PropertyBinding: Trying to update property for track: ' + nodeName + + '.' + propertyName + ' but it wasn\'t found.', targetObject ); + return; + } + let versioning = this.Versioning.None; + this.targetObject = targetObject; + if ( targetObject.isMaterial === true ) { + versioning = this.Versioning.NeedsUpdate; + } else if ( targetObject.isObject3D === true ) { + versioning = this.Versioning.MatrixWorldNeedsUpdate; + } + let bindingType = this.BindingType.Direct; + if ( propertyIndex !== undefined ) { + if ( propertyName === 'morphTargetInfluences' ) { + if ( ! targetObject.geometry ) { + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.', this ); + return; + } + if ( ! targetObject.geometry.morphAttributes ) { + console.error( 'THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.', this ); + return; + } + if ( targetObject.morphTargetDictionary[ propertyIndex ] !== undefined ) { + propertyIndex = targetObject.morphTargetDictionary[ propertyIndex ]; + } + } + bindingType = this.BindingType.ArrayElement; + this.resolvedProperty = nodeProperty; + this.propertyIndex = propertyIndex; + } else if ( nodeProperty.fromArray !== undefined && nodeProperty.toArray !== undefined ) { + bindingType = this.BindingType.HasFromToArray; + this.resolvedProperty = nodeProperty; + } else if ( Array.isArray( nodeProperty ) ) { + bindingType = this.BindingType.EntireArray; + this.resolvedProperty = nodeProperty; + } else { + this.propertyName = propertyName; + } + this.getValue = this.GetterByBindingType[ bindingType ]; + this.setValue = this.SetterByBindingTypeAndVersioning[ bindingType ][ versioning ]; + } + unbind() { + this.node = null; + this.getValue = this._getValue_unbound; + this.setValue = this._setValue_unbound; + } + } + PropertyBinding.Composite = Composite; + PropertyBinding.prototype.BindingType = { + Direct: 0, + EntireArray: 1, + ArrayElement: 2, + HasFromToArray: 3 + }; + PropertyBinding.prototype.Versioning = { + None: 0, + NeedsUpdate: 1, + MatrixWorldNeedsUpdate: 2 + }; + PropertyBinding.prototype.GetterByBindingType = [ + PropertyBinding.prototype._getValue_direct, + PropertyBinding.prototype._getValue_array, + PropertyBinding.prototype._getValue_arrayElement, + PropertyBinding.prototype._getValue_toArray, + ]; + PropertyBinding.prototype.SetterByBindingTypeAndVersioning = [ + [ + PropertyBinding.prototype._setValue_direct, + PropertyBinding.prototype._setValue_direct_setNeedsUpdate, + PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate, + ], [ + PropertyBinding.prototype._setValue_array, + PropertyBinding.prototype._setValue_array_setNeedsUpdate, + PropertyBinding.prototype._setValue_array_setMatrixWorldNeedsUpdate, + ], [ + PropertyBinding.prototype._setValue_arrayElement, + PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate, + PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate, + ], [ + PropertyBinding.prototype._setValue_fromArray, + PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate, + PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate, + ] + ]; + class AnimationObjectGroup { + constructor() { + this.isAnimationObjectGroup = true; + this.uuid = generateUUID(); + this._objects = Array.prototype.slice.call( arguments ); + this.nCachedObjects_ = 0; + const indices = {}; + this._indicesByUUID = indices; + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + indices[ arguments[ i ].uuid ] = i; + } + this._paths = []; + this._parsedPaths = []; + this._bindings = []; + this._bindingsIndicesByPath = {}; + const scope = this; + this.stats = { + objects: { + get total() { + return scope._objects.length; + }, + get inUse() { + return this.total - scope.nCachedObjects_; + } + }, + get bindingsPerObject() { + return scope._bindings.length; + } + }; + } + add() { + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + nBindings = bindings.length; + let knownObject = undefined, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_; + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + const object = arguments[ i ], + uuid = object.uuid; + let index = indicesByUUID[ uuid ]; + if ( index === undefined ) { + index = nObjects ++; + indicesByUUID[ uuid ] = index; + objects.push( object ); + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + bindings[ j ].push( new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ) ); + } + } else if ( index < nCachedObjects ) { + knownObject = objects[ index ]; + const firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ]; + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + indicesByUUID[ uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = object; + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + const bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ]; + let binding = bindingsForPath[ index ]; + bindingsForPath[ index ] = lastCached; + if ( binding === undefined ) { + binding = new PropertyBinding( object, paths[ j ], parsedPaths[ j ] ); + } + bindingsForPath[ firstActiveIndex ] = binding; + } + } else if ( objects[ index ] !== knownObject ) { + console.error( 'THREE.AnimationObjectGroup: Different objects with the same UUID ' + + 'detected. Clean the caches or recreate your infrastructure when reloading scenes.' ); + } + } + this.nCachedObjects_ = nCachedObjects; + } + remove() { + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + let nCachedObjects = this.nCachedObjects_; + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + const object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + if ( index !== undefined && index >= nCachedObjects ) { + const lastCachedIndex = nCachedObjects ++, + firstActiveObject = objects[ lastCachedIndex ]; + indicesByUUID[ firstActiveObject.uuid ] = index; + objects[ index ] = firstActiveObject; + indicesByUUID[ uuid ] = lastCachedIndex; + objects[ lastCachedIndex ] = object; + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + const bindingsForPath = bindings[ j ], + firstActive = bindingsForPath[ lastCachedIndex ], + binding = bindingsForPath[ index ]; + bindingsForPath[ index ] = firstActive; + bindingsForPath[ lastCachedIndex ] = binding; + } + } + } + this.nCachedObjects_ = nCachedObjects; + } + uncache() { + const objects = this._objects, + indicesByUUID = this._indicesByUUID, + bindings = this._bindings, + nBindings = bindings.length; + let nCachedObjects = this.nCachedObjects_, + nObjects = objects.length; + for ( let i = 0, n = arguments.length; i !== n; ++ i ) { + const object = arguments[ i ], + uuid = object.uuid, + index = indicesByUUID[ uuid ]; + if ( index !== undefined ) { + delete indicesByUUID[ uuid ]; + if ( index < nCachedObjects ) { + const firstActiveIndex = -- nCachedObjects, + lastCachedObject = objects[ firstActiveIndex ], + lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + indicesByUUID[ lastCachedObject.uuid ] = index; + objects[ index ] = lastCachedObject; + indicesByUUID[ lastObject.uuid ] = firstActiveIndex; + objects[ firstActiveIndex ] = lastObject; + objects.pop(); + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + const bindingsForPath = bindings[ j ], + lastCached = bindingsForPath[ firstActiveIndex ], + last = bindingsForPath[ lastIndex ]; + bindingsForPath[ index ] = lastCached; + bindingsForPath[ firstActiveIndex ] = last; + bindingsForPath.pop(); + } + } else { + const lastIndex = -- nObjects, + lastObject = objects[ lastIndex ]; + if ( lastIndex > 0 ) { + indicesByUUID[ lastObject.uuid ] = index; + } + objects[ index ] = lastObject; + objects.pop(); + for ( let j = 0, m = nBindings; j !== m; ++ j ) { + const bindingsForPath = bindings[ j ]; + bindingsForPath[ index ] = bindingsForPath[ lastIndex ]; + bindingsForPath.pop(); + } + } + } + } + this.nCachedObjects_ = nCachedObjects; + } + subscribe_( path, parsedPath ) { + const indicesByPath = this._bindingsIndicesByPath; + let index = indicesByPath[ path ]; + const bindings = this._bindings; + if ( index !== undefined ) return bindings[ index ]; + const paths = this._paths, + parsedPaths = this._parsedPaths, + objects = this._objects, + nObjects = objects.length, + nCachedObjects = this.nCachedObjects_, + bindingsForPath = new Array( nObjects ); + index = bindings.length; + indicesByPath[ path ] = index; + paths.push( path ); + parsedPaths.push( parsedPath ); + bindings.push( bindingsForPath ); + for ( let i = nCachedObjects, n = objects.length; i !== n; ++ i ) { + const object = objects[ i ]; + bindingsForPath[ i ] = new PropertyBinding( object, path, parsedPath ); + } + return bindingsForPath; + } + unsubscribe_( path ) { + const indicesByPath = this._bindingsIndicesByPath, + index = indicesByPath[ path ]; + if ( index !== undefined ) { + const paths = this._paths, + parsedPaths = this._parsedPaths, + bindings = this._bindings, + lastBindingsIndex = bindings.length - 1, + lastBindings = bindings[ lastBindingsIndex ], + lastBindingsPath = path[ lastBindingsIndex ]; + indicesByPath[ lastBindingsPath ] = index; + bindings[ index ] = lastBindings; + bindings.pop(); + parsedPaths[ index ] = parsedPaths[ lastBindingsIndex ]; + parsedPaths.pop(); + paths[ index ] = paths[ lastBindingsIndex ]; + paths.pop(); + } + } + } + class AnimationAction { + constructor( mixer, clip, localRoot = null, blendMode = clip.blendMode ) { + this._mixer = mixer; + this._clip = clip; + this._localRoot = localRoot; + this.blendMode = blendMode; + const tracks = clip.tracks, + nTracks = tracks.length, + interpolants = new Array( nTracks ); + const interpolantSettings = { + endingStart: ZeroCurvatureEnding, + endingEnd: ZeroCurvatureEnding + }; + for ( let i = 0; i !== nTracks; ++ i ) { + const interpolant = tracks[ i ].createInterpolant( null ); + interpolants[ i ] = interpolant; + interpolant.settings = interpolantSettings; + } + this._interpolantSettings = interpolantSettings; + this._interpolants = interpolants; + this._propertyBindings = new Array( nTracks ); + this._cacheIndex = null; + this._byClipCacheIndex = null; + this._timeScaleInterpolant = null; + this._weightInterpolant = null; + this.loop = LoopRepeat; + this._loopCount = -1; + this._startTime = null; + this.time = 0; + this.timeScale = 1; + this._effectiveTimeScale = 1; + this.weight = 1; + this._effectiveWeight = 1; + this.repetitions = Infinity; + this.paused = false; + this.enabled = true; + this.clampWhenFinished = false; + this.zeroSlopeAtStart = true; + this.zeroSlopeAtEnd = true; + } + play() { + this._mixer._activateAction( this ); + return this; + } + stop() { + this._mixer._deactivateAction( this ); + return this.reset(); + } + reset() { + this.paused = false; + this.enabled = true; + this.time = 0; + this._loopCount = -1; + this._startTime = null; + return this.stopFading().stopWarping(); + } + isRunning() { + return this.enabled && ! this.paused && this.timeScale !== 0 && + this._startTime === null && this._mixer._isActiveAction( this ); + } + isScheduled() { + return this._mixer._isActiveAction( this ); + } + startAt( time ) { + this._startTime = time; + return this; + } + setLoop( mode, repetitions ) { + this.loop = mode; + this.repetitions = repetitions; + return this; + } + setEffectiveWeight( weight ) { + this.weight = weight; + this._effectiveWeight = this.enabled ? weight : 0; + return this.stopFading(); + } + getEffectiveWeight() { + return this._effectiveWeight; + } + fadeIn( duration ) { + return this._scheduleFading( duration, 0, 1 ); + } + fadeOut( duration ) { + return this._scheduleFading( duration, 1, 0 ); + } + crossFadeFrom( fadeOutAction, duration, warp = false ) { + fadeOutAction.fadeOut( duration ); + this.fadeIn( duration ); + if ( warp === true ) { + const fadeInDuration = this._clip.duration, + fadeOutDuration = fadeOutAction._clip.duration, + startEndRatio = fadeOutDuration / fadeInDuration, + endStartRatio = fadeInDuration / fadeOutDuration; + fadeOutAction.warp( 1.0, startEndRatio, duration ); + this.warp( endStartRatio, 1.0, duration ); + } + return this; + } + crossFadeTo( fadeInAction, duration, warp = false ) { + return fadeInAction.crossFadeFrom( this, duration, warp ); + } + stopFading() { + const weightInterpolant = this._weightInterpolant; + if ( weightInterpolant !== null ) { + this._weightInterpolant = null; + this._mixer._takeBackControlInterpolant( weightInterpolant ); + } + return this; + } + setEffectiveTimeScale( timeScale ) { + this.timeScale = timeScale; + this._effectiveTimeScale = this.paused ? 0 : timeScale; + return this.stopWarping(); + } + getEffectiveTimeScale() { + return this._effectiveTimeScale; + } + setDuration( duration ) { + this.timeScale = this._clip.duration / duration; + return this.stopWarping(); + } + syncWith( action ) { + this.time = action.time; + this.timeScale = action.timeScale; + return this.stopWarping(); + } + halt( duration ) { + return this.warp( this._effectiveTimeScale, 0, duration ); + } + warp( startTimeScale, endTimeScale, duration ) { + const mixer = this._mixer, + now = mixer.time, + timeScale = this.timeScale; + let interpolant = this._timeScaleInterpolant; + if ( interpolant === null ) { + interpolant = mixer._lendControlInterpolant(); + this._timeScaleInterpolant = interpolant; + } + const times = interpolant.parameterPositions, + values = interpolant.sampleValues; + times[ 0 ] = now; + times[ 1 ] = now + duration; + values[ 0 ] = startTimeScale / timeScale; + values[ 1 ] = endTimeScale / timeScale; + return this; + } + stopWarping() { + const timeScaleInterpolant = this._timeScaleInterpolant; + if ( timeScaleInterpolant !== null ) { + this._timeScaleInterpolant = null; + this._mixer._takeBackControlInterpolant( timeScaleInterpolant ); + } + return this; + } + getMixer() { + return this._mixer; + } + getClip() { + return this._clip; + } + getRoot() { + return this._localRoot || this._mixer._root; + } + _update( time, deltaTime, timeDirection, accuIndex ) { + if ( ! this.enabled ) { + this._updateWeight( time ); + return; + } + const startTime = this._startTime; + if ( startTime !== null ) { + const timeRunning = ( time - startTime ) * timeDirection; + if ( timeRunning < 0 || timeDirection === 0 ) { + deltaTime = 0; + } else { + this._startTime = null; + deltaTime = timeDirection * timeRunning; + } + } + deltaTime *= this._updateTimeScale( time ); + const clipTime = this._updateTime( deltaTime ); + const weight = this._updateWeight( time ); + if ( weight > 0 ) { + const interpolants = this._interpolants; + const propertyMixers = this._propertyBindings; + switch ( this.blendMode ) { + case AdditiveAnimationBlendMode: + for ( let j = 0, m = interpolants.length; j !== m; ++ j ) { + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulateAdditive( weight ); + } + break; + case NormalAnimationBlendMode: + default: + for ( let j = 0, m = interpolants.length; j !== m; ++ j ) { + interpolants[ j ].evaluate( clipTime ); + propertyMixers[ j ].accumulate( accuIndex, weight ); + } + } + } + } + _updateWeight( time ) { + let weight = 0; + if ( this.enabled ) { + weight = this.weight; + const interpolant = this._weightInterpolant; + if ( interpolant !== null ) { + const interpolantValue = interpolant.evaluate( time )[ 0 ]; + weight *= interpolantValue; + if ( time > interpolant.parameterPositions[ 1 ] ) { + this.stopFading(); + if ( interpolantValue === 0 ) { + this.enabled = false; + } + } + } + } + this._effectiveWeight = weight; + return weight; + } + _updateTimeScale( time ) { + let timeScale = 0; + if ( ! this.paused ) { + timeScale = this.timeScale; + const interpolant = this._timeScaleInterpolant; + if ( interpolant !== null ) { + const interpolantValue = interpolant.evaluate( time )[ 0 ]; + timeScale *= interpolantValue; + if ( time > interpolant.parameterPositions[ 1 ] ) { + this.stopWarping(); + if ( timeScale === 0 ) { + this.paused = true; + } else { + this.timeScale = timeScale; + } + } + } + } + this._effectiveTimeScale = timeScale; + return timeScale; + } + _updateTime( deltaTime ) { + const duration = this._clip.duration; + const loop = this.loop; + let time = this.time + deltaTime; + let loopCount = this._loopCount; + const pingPong = ( loop === LoopPingPong ); + if ( deltaTime === 0 ) { + if ( loopCount === -1 ) return time; + return ( pingPong && ( loopCount & 1 ) === 1 ) ? duration - time : time; + } + if ( loop === LoopOnce ) { + if ( loopCount === -1 ) { + this._loopCount = 0; + this._setEndings( true, true, false ); + } + handle_stop: { + if ( time >= duration ) { + time = duration; + } else if ( time < 0 ) { + time = 0; + } else { + this.time = time; + break handle_stop; + } + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + this.time = time; + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime < 0 ? -1 : 1 + } ); + } + } else { + if ( loopCount === -1 ) { + if ( deltaTime >= 0 ) { + loopCount = 0; + this._setEndings( true, this.repetitions === 0, pingPong ); + } else { + this._setEndings( this.repetitions === 0, true, pingPong ); + } + } + if ( time >= duration || time < 0 ) { + const loopDelta = Math.floor( time / duration ); + time -= duration * loopDelta; + loopCount += Math.abs( loopDelta ); + const pending = this.repetitions - loopCount; + if ( pending <= 0 ) { + if ( this.clampWhenFinished ) this.paused = true; + else this.enabled = false; + time = deltaTime > 0 ? duration : 0; + this.time = time; + this._mixer.dispatchEvent( { + type: 'finished', action: this, + direction: deltaTime > 0 ? 1 : -1 + } ); + } else { + if ( pending === 1 ) { + const atStart = deltaTime < 0; + this._setEndings( atStart, ! atStart, pingPong ); + } else { + this._setEndings( false, false, pingPong ); + } + this._loopCount = loopCount; + this.time = time; + this._mixer.dispatchEvent( { + type: 'loop', action: this, loopDelta: loopDelta + } ); + } + } else { + this.time = time; + } + if ( pingPong && ( loopCount & 1 ) === 1 ) { + return duration - time; + } + } + return time; + } + _setEndings( atStart, atEnd, pingPong ) { + const settings = this._interpolantSettings; + if ( pingPong ) { + settings.endingStart = ZeroSlopeEnding; + settings.endingEnd = ZeroSlopeEnding; + } else { + if ( atStart ) { + settings.endingStart = this.zeroSlopeAtStart ? ZeroSlopeEnding : ZeroCurvatureEnding; + } else { + settings.endingStart = WrapAroundEnding; + } + if ( atEnd ) { + settings.endingEnd = this.zeroSlopeAtEnd ? ZeroSlopeEnding : ZeroCurvatureEnding; + } else { + settings.endingEnd = WrapAroundEnding; + } + } + } + _scheduleFading( duration, weightNow, weightThen ) { + const mixer = this._mixer, now = mixer.time; + let interpolant = this._weightInterpolant; + if ( interpolant === null ) { + interpolant = mixer._lendControlInterpolant(); + this._weightInterpolant = interpolant; + } + const times = interpolant.parameterPositions, + values = interpolant.sampleValues; + times[ 0 ] = now; + values[ 0 ] = weightNow; + times[ 1 ] = now + duration; + values[ 1 ] = weightThen; + return this; + } + } + const _controlInterpolantsResultBuffer = new Float32Array( 1 ); + class AnimationMixer extends EventDispatcher { + constructor( root ) { + super(); + this._root = root; + this._initMemoryManager(); + this._accuIndex = 0; + this.time = 0; + this.timeScale = 1.0; + } + _bindAction( action, prototypeAction ) { + const root = action._localRoot || this._root, + tracks = action._clip.tracks, + nTracks = tracks.length, + bindings = action._propertyBindings, + interpolants = action._interpolants, + rootUuid = root.uuid, + bindingsByRoot = this._bindingsByRootAndName; + let bindingsByName = bindingsByRoot[ rootUuid ]; + if ( bindingsByName === undefined ) { + bindingsByName = {}; + bindingsByRoot[ rootUuid ] = bindingsByName; + } + for ( let i = 0; i !== nTracks; ++ i ) { + const track = tracks[ i ], + trackName = track.name; + let binding = bindingsByName[ trackName ]; + if ( binding !== undefined ) { + ++ binding.referenceCount; + bindings[ i ] = binding; + } else { + binding = bindings[ i ]; + if ( binding !== undefined ) { + if ( binding._cacheIndex === null ) { + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + } + continue; + } + const path = prototypeAction && prototypeAction. + _propertyBindings[ i ].binding.parsedPath; + binding = new PropertyMixer( + PropertyBinding.create( root, trackName, path ), + track.ValueTypeName, track.getValueSize() ); + ++ binding.referenceCount; + this._addInactiveBinding( binding, rootUuid, trackName ); + bindings[ i ] = binding; + } + interpolants[ i ].resultBuffer = binding.buffer; + } + } + _activateAction( action ) { + if ( ! this._isActiveAction( action ) ) { + if ( action._cacheIndex === null ) { + const rootUuid = ( action._localRoot || this._root ).uuid, + clipUuid = action._clip.uuid, + actionsForClip = this._actionsByClip[ clipUuid ]; + this._bindAction( action, + actionsForClip && actionsForClip.knownActions[ 0 ] ); + this._addInactiveAction( action, clipUuid, rootUuid ); + } + const bindings = action._propertyBindings; + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + const binding = bindings[ i ]; + if ( binding.useCount ++ === 0 ) { + this._lendBinding( binding ); + binding.saveOriginalState(); + } + } + this._lendAction( action ); + } + } + _deactivateAction( action ) { + if ( this._isActiveAction( action ) ) { + const bindings = action._propertyBindings; + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + const binding = bindings[ i ]; + if ( -- binding.useCount === 0 ) { + binding.restoreOriginalState(); + this._takeBackBinding( binding ); + } + } + this._takeBackAction( action ); + } + } + _initMemoryManager() { + this._actions = []; + this._nActiveActions = 0; + this._actionsByClip = {}; + this._bindings = []; + this._nActiveBindings = 0; + this._bindingsByRootAndName = {}; + this._controlInterpolants = []; + this._nActiveControlInterpolants = 0; + const scope = this; + this.stats = { + actions: { + get total() { + return scope._actions.length; + }, + get inUse() { + return scope._nActiveActions; + } + }, + bindings: { + get total() { + return scope._bindings.length; + }, + get inUse() { + return scope._nActiveBindings; + } + }, + controlInterpolants: { + get total() { + return scope._controlInterpolants.length; + }, + get inUse() { + return scope._nActiveControlInterpolants; + } + } + }; + } + _isActiveAction( action ) { + const index = action._cacheIndex; + return index !== null && index < this._nActiveActions; + } + _addInactiveAction( action, clipUuid, rootUuid ) { + const actions = this._actions, + actionsByClip = this._actionsByClip; + let actionsForClip = actionsByClip[ clipUuid ]; + if ( actionsForClip === undefined ) { + actionsForClip = { + knownActions: [ action ], + actionByRoot: {} + }; + action._byClipCacheIndex = 0; + actionsByClip[ clipUuid ] = actionsForClip; + } else { + const knownActions = actionsForClip.knownActions; + action._byClipCacheIndex = knownActions.length; + knownActions.push( action ); + } + action._cacheIndex = actions.length; + actions.push( action ); + actionsForClip.actionByRoot[ rootUuid ] = action; + } + _removeInactiveAction( action ) { + const actions = this._actions, + lastInactiveAction = actions[ actions.length - 1 ], + cacheIndex = action._cacheIndex; + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + action._cacheIndex = null; + const clipUuid = action._clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ], + knownActionsForClip = actionsForClip.knownActions, + lastKnownAction = + knownActionsForClip[ knownActionsForClip.length - 1 ], + byClipCacheIndex = action._byClipCacheIndex; + lastKnownAction._byClipCacheIndex = byClipCacheIndex; + knownActionsForClip[ byClipCacheIndex ] = lastKnownAction; + knownActionsForClip.pop(); + action._byClipCacheIndex = null; + const actionByRoot = actionsForClip.actionByRoot, + rootUuid = ( action._localRoot || this._root ).uuid; + delete actionByRoot[ rootUuid ]; + if ( knownActionsForClip.length === 0 ) { + delete actionsByClip[ clipUuid ]; + } + this._removeInactiveBindingsForAction( action ); + } + _removeInactiveBindingsForAction( action ) { + const bindings = action._propertyBindings; + for ( let i = 0, n = bindings.length; i !== n; ++ i ) { + const binding = bindings[ i ]; + if ( -- binding.referenceCount === 0 ) { + this._removeInactiveBinding( binding ); + } + } + } + _lendAction( action ) { + const actions = this._actions, + prevIndex = action._cacheIndex, + lastActiveIndex = this._nActiveActions ++, + firstInactiveAction = actions[ lastActiveIndex ]; + action._cacheIndex = lastActiveIndex; + actions[ lastActiveIndex ] = action; + firstInactiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = firstInactiveAction; + } + _takeBackAction( action ) { + const actions = this._actions, + prevIndex = action._cacheIndex, + firstInactiveIndex = -- this._nActiveActions, + lastActiveAction = actions[ firstInactiveIndex ]; + action._cacheIndex = firstInactiveIndex; + actions[ firstInactiveIndex ] = action; + lastActiveAction._cacheIndex = prevIndex; + actions[ prevIndex ] = lastActiveAction; + } + _addInactiveBinding( binding, rootUuid, trackName ) { + const bindingsByRoot = this._bindingsByRootAndName, + bindings = this._bindings; + let bindingByName = bindingsByRoot[ rootUuid ]; + if ( bindingByName === undefined ) { + bindingByName = {}; + bindingsByRoot[ rootUuid ] = bindingByName; + } + bindingByName[ trackName ] = binding; + binding._cacheIndex = bindings.length; + bindings.push( binding ); + } + _removeInactiveBinding( binding ) { + const bindings = this._bindings, + propBinding = binding.binding, + rootUuid = propBinding.rootNode.uuid, + trackName = propBinding.path, + bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ], + lastInactiveBinding = bindings[ bindings.length - 1 ], + cacheIndex = binding._cacheIndex; + lastInactiveBinding._cacheIndex = cacheIndex; + bindings[ cacheIndex ] = lastInactiveBinding; + bindings.pop(); + delete bindingByName[ trackName ]; + if ( Object.keys( bindingByName ).length === 0 ) { + delete bindingsByRoot[ rootUuid ]; + } + } + _lendBinding( binding ) { + const bindings = this._bindings, + prevIndex = binding._cacheIndex, + lastActiveIndex = this._nActiveBindings ++, + firstInactiveBinding = bindings[ lastActiveIndex ]; + binding._cacheIndex = lastActiveIndex; + bindings[ lastActiveIndex ] = binding; + firstInactiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = firstInactiveBinding; + } + _takeBackBinding( binding ) { + const bindings = this._bindings, + prevIndex = binding._cacheIndex, + firstInactiveIndex = -- this._nActiveBindings, + lastActiveBinding = bindings[ firstInactiveIndex ]; + binding._cacheIndex = firstInactiveIndex; + bindings[ firstInactiveIndex ] = binding; + lastActiveBinding._cacheIndex = prevIndex; + bindings[ prevIndex ] = lastActiveBinding; + } + _lendControlInterpolant() { + const interpolants = this._controlInterpolants, + lastActiveIndex = this._nActiveControlInterpolants ++; + let interpolant = interpolants[ lastActiveIndex ]; + if ( interpolant === undefined ) { + interpolant = new LinearInterpolant( + new Float32Array( 2 ), new Float32Array( 2 ), + 1, _controlInterpolantsResultBuffer ); + interpolant.__cacheIndex = lastActiveIndex; + interpolants[ lastActiveIndex ] = interpolant; + } + return interpolant; + } + _takeBackControlInterpolant( interpolant ) { + const interpolants = this._controlInterpolants, + prevIndex = interpolant.__cacheIndex, + firstInactiveIndex = -- this._nActiveControlInterpolants, + lastActiveInterpolant = interpolants[ firstInactiveIndex ]; + interpolant.__cacheIndex = firstInactiveIndex; + interpolants[ firstInactiveIndex ] = interpolant; + lastActiveInterpolant.__cacheIndex = prevIndex; + interpolants[ prevIndex ] = lastActiveInterpolant; + } + clipAction( clip, optionalRoot, blendMode ) { + const root = optionalRoot || this._root, + rootUuid = root.uuid; + let clipObject = typeof clip === 'string' ? AnimationClip.findByName( root, clip ) : clip; + const clipUuid = clipObject !== null ? clipObject.uuid : clip; + const actionsForClip = this._actionsByClip[ clipUuid ]; + let prototypeAction = null; + if ( blendMode === undefined ) { + if ( clipObject !== null ) { + blendMode = clipObject.blendMode; + } else { + blendMode = NormalAnimationBlendMode; + } + } + if ( actionsForClip !== undefined ) { + const existingAction = actionsForClip.actionByRoot[ rootUuid ]; + if ( existingAction !== undefined && existingAction.blendMode === blendMode ) { + return existingAction; + } + prototypeAction = actionsForClip.knownActions[ 0 ]; + if ( clipObject === null ) + clipObject = prototypeAction._clip; + } + if ( clipObject === null ) return null; + const newAction = new AnimationAction( this, clipObject, optionalRoot, blendMode ); + this._bindAction( newAction, prototypeAction ); + this._addInactiveAction( newAction, clipUuid, rootUuid ); + return newAction; + } + existingAction( clip, optionalRoot ) { + const root = optionalRoot || this._root, + rootUuid = root.uuid, + clipObject = typeof clip === 'string' ? + AnimationClip.findByName( root, clip ) : clip, + clipUuid = clipObject ? clipObject.uuid : clip, + actionsForClip = this._actionsByClip[ clipUuid ]; + if ( actionsForClip !== undefined ) { + return actionsForClip.actionByRoot[ rootUuid ] || null; + } + return null; + } + stopAllAction() { + const actions = this._actions, + nActions = this._nActiveActions; + for ( let i = nActions - 1; i >= 0; -- i ) { + actions[ i ].stop(); + } + return this; + } + update( deltaTime ) { + deltaTime *= this.timeScale; + const actions = this._actions, + nActions = this._nActiveActions, + time = this.time += deltaTime, + timeDirection = Math.sign( deltaTime ), + accuIndex = this._accuIndex ^= 1; + for ( let i = 0; i !== nActions; ++ i ) { + const action = actions[ i ]; + action._update( time, deltaTime, timeDirection, accuIndex ); + } + const bindings = this._bindings, + nBindings = this._nActiveBindings; + for ( let i = 0; i !== nBindings; ++ i ) { + bindings[ i ].apply( accuIndex ); + } + return this; + } + setTime( time ) { + this.time = 0; + for ( let i = 0; i < this._actions.length; i ++ ) { + this._actions[ i ].time = 0; + } + return this.update( time ); + } + getRoot() { + return this._root; + } + uncacheClip( clip ) { + const actions = this._actions, + clipUuid = clip.uuid, + actionsByClip = this._actionsByClip, + actionsForClip = actionsByClip[ clipUuid ]; + if ( actionsForClip !== undefined ) { + const actionsToRemove = actionsForClip.knownActions; + for ( let i = 0, n = actionsToRemove.length; i !== n; ++ i ) { + const action = actionsToRemove[ i ]; + this._deactivateAction( action ); + const cacheIndex = action._cacheIndex, + lastInactiveAction = actions[ actions.length - 1 ]; + action._cacheIndex = null; + action._byClipCacheIndex = null; + lastInactiveAction._cacheIndex = cacheIndex; + actions[ cacheIndex ] = lastInactiveAction; + actions.pop(); + this._removeInactiveBindingsForAction( action ); + } + delete actionsByClip[ clipUuid ]; + } + } + uncacheRoot( root ) { + const rootUuid = root.uuid, + actionsByClip = this._actionsByClip; + for ( const clipUuid in actionsByClip ) { + const actionByRoot = actionsByClip[ clipUuid ].actionByRoot, + action = actionByRoot[ rootUuid ]; + if ( action !== undefined ) { + this._deactivateAction( action ); + this._removeInactiveAction( action ); + } + } + const bindingsByRoot = this._bindingsByRootAndName, + bindingByName = bindingsByRoot[ rootUuid ]; + if ( bindingByName !== undefined ) { + for ( const trackName in bindingByName ) { + const binding = bindingByName[ trackName ]; + binding.restoreOriginalState(); + this._removeInactiveBinding( binding ); + } + } + } + uncacheAction( clip, optionalRoot ) { + const action = this.existingAction( clip, optionalRoot ); + if ( action !== null ) { + this._deactivateAction( action ); + this._removeInactiveAction( action ); + } + } + } + class RenderTarget3D extends RenderTarget { + constructor( width = 1, height = 1, depth = 1, options = {} ) { + super( width, height, options ); + this.isRenderTarget3D = true; + this.depth = depth; + this.texture = new Data3DTexture( null, width, height, depth ); + this._setTextureOptions( options ); + this.texture.isRenderTargetTexture = true; + } + } + class Uniform { + constructor( value ) { + this.value = value; + } + clone() { + return new Uniform( this.value.clone === undefined ? this.value : this.value.clone() ); + } + } + let _id$3 = 0; + class UniformsGroup extends EventDispatcher { + constructor() { + super(); + this.isUniformsGroup = true; + Object.defineProperty( this, 'id', { value: _id$3 ++ } ); + this.name = ''; + this.usage = StaticDrawUsage; + this.uniforms = []; + } + add( uniform ) { + this.uniforms.push( uniform ); + return this; + } + remove( uniform ) { + const index = this.uniforms.indexOf( uniform ); + if ( index !== -1 ) this.uniforms.splice( index, 1 ); + return this; + } + setName( name ) { + this.name = name; + return this; + } + setUsage( value ) { + this.usage = value; + return this; + } + dispose() { + this.dispatchEvent( { type: 'dispose' } ); + } + copy( source ) { + this.name = source.name; + this.usage = source.usage; + const uniformsSource = source.uniforms; + this.uniforms.length = 0; + for ( let i = 0, l = uniformsSource.length; i < l; i ++ ) { + const uniforms = Array.isArray( uniformsSource[ i ] ) ? uniformsSource[ i ] : [ uniformsSource[ i ] ]; + for ( let j = 0; j < uniforms.length; j ++ ) { + this.uniforms.push( uniforms[ j ].clone() ); + } + } + return this; + } + clone() { + return new this.constructor().copy( this ); + } + } + class InstancedInterleavedBuffer extends InterleavedBuffer { + constructor( array, stride, meshPerAttribute = 1 ) { + super( array, stride ); + this.isInstancedInterleavedBuffer = true; + this.meshPerAttribute = meshPerAttribute; + } + copy( source ) { + super.copy( source ); + this.meshPerAttribute = source.meshPerAttribute; + return this; + } + clone( data ) { + const ib = super.clone( data ); + ib.meshPerAttribute = this.meshPerAttribute; + return ib; + } + toJSON( data ) { + const json = super.toJSON( data ); + json.isInstancedInterleavedBuffer = true; + json.meshPerAttribute = this.meshPerAttribute; + return json; + } + } + class GLBufferAttribute { + constructor( buffer, type, itemSize, elementSize, count, normalized = false ) { + this.isGLBufferAttribute = true; + this.name = ''; + this.buffer = buffer; + this.type = type; + this.itemSize = itemSize; + this.elementSize = elementSize; + this.count = count; + this.normalized = normalized; + this.version = 0; + } + set needsUpdate( value ) { + if ( value === true ) this.version ++; + } + setBuffer( buffer ) { + this.buffer = buffer; + return this; + } + setType( type, elementSize ) { + this.type = type; + this.elementSize = elementSize; + return this; + } + setItemSize( itemSize ) { + this.itemSize = itemSize; + return this; + } + setCount( count ) { + this.count = count; + return this; + } + } + const _matrix = new Matrix4(); + class Raycaster { + constructor( origin, direction, near = 0, far = Infinity ) { + this.ray = new Ray( origin, direction ); + this.near = near; + this.far = far; + this.camera = null; + this.layers = new Layers(); + this.params = { + Mesh: {}, + Line: { threshold: 1 }, + LOD: {}, + Points: { threshold: 1 }, + Sprite: {} + }; + } + set( origin, direction ) { + this.ray.set( origin, direction ); + } + setFromCamera( coords, camera ) { + if ( camera.isPerspectiveCamera ) { + this.ray.origin.setFromMatrixPosition( camera.matrixWorld ); + this.ray.direction.set( coords.x, coords.y, 0.5 ).unproject( camera ).sub( this.ray.origin ).normalize(); + this.camera = camera; + } else if ( camera.isOrthographicCamera ) { + this.ray.origin.set( coords.x, coords.y, ( camera.near + camera.far ) / ( camera.near - camera.far ) ).unproject( camera ); + this.ray.direction.set( 0, 0, -1 ).transformDirection( camera.matrixWorld ); + this.camera = camera; + } else { + console.error( 'THREE.Raycaster: Unsupported camera type: ' + camera.type ); + } + } + setFromXRController( controller ) { + _matrix.identity().extractRotation( controller.matrixWorld ); + this.ray.origin.setFromMatrixPosition( controller.matrixWorld ); + this.ray.direction.set( 0, 0, -1 ).applyMatrix4( _matrix ); + return this; + } + intersectObject( object, recursive = true, intersects = [] ) { + intersect( object, this, intersects, recursive ); + intersects.sort( ascSort ); + return intersects; + } + intersectObjects( objects, recursive = true, intersects = [] ) { + for ( let i = 0, l = objects.length; i < l; i ++ ) { + intersect( objects[ i ], this, intersects, recursive ); + } + intersects.sort( ascSort ); + return intersects; + } + } + function ascSort( a, b ) { + return a.distance - b.distance; + } + function intersect( object, raycaster, intersects, recursive ) { + let propagate = true; + if ( object.layers.test( raycaster.layers ) ) { + const result = object.raycast( raycaster, intersects ); + if ( result === false ) propagate = false; + } + if ( propagate === true && recursive === true ) { + const children = object.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + intersect( children[ i ], raycaster, intersects, true ); + } + } + } + class Spherical { + constructor( radius = 1, phi = 0, theta = 0 ) { + this.radius = radius; + this.phi = phi; + this.theta = theta; + } + set( radius, phi, theta ) { + this.radius = radius; + this.phi = phi; + this.theta = theta; + return this; + } + copy( other ) { + this.radius = other.radius; + this.phi = other.phi; + this.theta = other.theta; + return this; + } + makeSafe() { + const EPS = 0.000001; + this.phi = clamp( this.phi, EPS, Math.PI - EPS ); + return this; + } + setFromVector3( v ) { + return this.setFromCartesianCoords( v.x, v.y, v.z ); + } + setFromCartesianCoords( x, y, z ) { + this.radius = Math.sqrt( x * x + y * y + z * z ); + if ( this.radius === 0 ) { + this.theta = 0; + this.phi = 0; + } else { + this.theta = Math.atan2( x, z ); + this.phi = Math.acos( clamp( y / this.radius, -1, 1 ) ); + } + return this; + } + clone() { + return new this.constructor().copy( this ); + } + } + class Cylindrical { + constructor( radius = 1, theta = 0, y = 0 ) { + this.radius = radius; + this.theta = theta; + this.y = y; + } + set( radius, theta, y ) { + this.radius = radius; + this.theta = theta; + this.y = y; + return this; + } + copy( other ) { + this.radius = other.radius; + this.theta = other.theta; + this.y = other.y; + return this; + } + setFromVector3( v ) { + return this.setFromCartesianCoords( v.x, v.y, v.z ); + } + setFromCartesianCoords( x, y, z ) { + this.radius = Math.sqrt( x * x + z * z ); + this.theta = Math.atan2( x, z ); + this.y = y; + return this; + } + clone() { + return new this.constructor().copy( this ); + } + } + class Matrix2 { + constructor( n11, n12, n21, n22 ) { + Matrix2.prototype.isMatrix2 = true; + this.elements = [ + 1, 0, + 0, 1, + ]; + if ( n11 !== undefined ) { + this.set( n11, n12, n21, n22 ); + } + } + identity() { + this.set( + 1, 0, + 0, 1, + ); + return this; + } + fromArray( array, offset = 0 ) { + for ( let i = 0; i < 4; i ++ ) { + this.elements[ i ] = array[ i + offset ]; + } + return this; + } + set( n11, n12, n21, n22 ) { + const te = this.elements; + te[ 0 ] = n11; te[ 2 ] = n12; + te[ 1 ] = n21; te[ 3 ] = n22; + return this; + } + } + const _vector$4 = new Vector2(); + class Box2 { + constructor( min = new Vector2( + Infinity, + Infinity ), max = new Vector2( - Infinity, - Infinity ) ) { + this.isBox2 = true; + this.min = min; + this.max = max; + } + set( min, max ) { + this.min.copy( min ); + this.max.copy( max ); + return this; + } + setFromPoints( points ) { + this.makeEmpty(); + for ( let i = 0, il = points.length; i < il; i ++ ) { + this.expandByPoint( points[ i ] ); + } + return this; + } + setFromCenterAndSize( center, size ) { + const halfSize = _vector$4.copy( size ).multiplyScalar( 0.5 ); + this.min.copy( center ).sub( halfSize ); + this.max.copy( center ).add( halfSize ); + return this; + } + clone() { + return new this.constructor().copy( this ); + } + copy( box ) { + this.min.copy( box.min ); + this.max.copy( box.max ); + return this; + } + makeEmpty() { + this.min.x = this.min.y = + Infinity; + this.max.x = this.max.y = - Infinity; + return this; + } + isEmpty() { + return ( this.max.x < this.min.x ) || ( this.max.y < this.min.y ); + } + getCenter( target ) { + return this.isEmpty() ? target.set( 0, 0 ) : target.addVectors( this.min, this.max ).multiplyScalar( 0.5 ); + } + getSize( target ) { + return this.isEmpty() ? target.set( 0, 0 ) : target.subVectors( this.max, this.min ); + } + expandByPoint( point ) { + this.min.min( point ); + this.max.max( point ); + return this; + } + expandByVector( vector ) { + this.min.sub( vector ); + this.max.add( vector ); + return this; + } + expandByScalar( scalar ) { + this.min.addScalar( - scalar ); + this.max.addScalar( scalar ); + return this; + } + containsPoint( point ) { + return point.x >= this.min.x && point.x <= this.max.x && + point.y >= this.min.y && point.y <= this.max.y; + } + containsBox( box ) { + return this.min.x <= box.min.x && box.max.x <= this.max.x && + this.min.y <= box.min.y && box.max.y <= this.max.y; + } + getParameter( point, target ) { + return target.set( + ( point.x - this.min.x ) / ( this.max.x - this.min.x ), + ( point.y - this.min.y ) / ( this.max.y - this.min.y ) + ); + } + intersectsBox( box ) { + return box.max.x >= this.min.x && box.min.x <= this.max.x && + box.max.y >= this.min.y && box.min.y <= this.max.y; + } + clampPoint( point, target ) { + return target.copy( point ).clamp( this.min, this.max ); + } + distanceToPoint( point ) { + return this.clampPoint( point, _vector$4 ).distanceTo( point ); + } + intersect( box ) { + this.min.max( box.min ); + this.max.min( box.max ); + if ( this.isEmpty() ) this.makeEmpty(); + return this; + } + union( box ) { + this.min.min( box.min ); + this.max.max( box.max ); + return this; + } + translate( offset ) { + this.min.add( offset ); + this.max.add( offset ); + return this; + } + equals( box ) { + return box.min.equals( this.min ) && box.max.equals( this.max ); + } + } + const _startP = new Vector3(); + const _startEnd = new Vector3(); + class Line3 { + constructor( start = new Vector3(), end = new Vector3() ) { + this.start = start; + this.end = end; + } + set( start, end ) { + this.start.copy( start ); + this.end.copy( end ); + return this; + } + copy( line ) { + this.start.copy( line.start ); + this.end.copy( line.end ); + return this; + } + getCenter( target ) { + return target.addVectors( this.start, this.end ).multiplyScalar( 0.5 ); + } + delta( target ) { + return target.subVectors( this.end, this.start ); + } + distanceSq() { + return this.start.distanceToSquared( this.end ); + } + distance() { + return this.start.distanceTo( this.end ); + } + at( t, target ) { + return this.delta( target ).multiplyScalar( t ).add( this.start ); + } + closestPointToPointParameter( point, clampToLine ) { + _startP.subVectors( point, this.start ); + _startEnd.subVectors( this.end, this.start ); + const startEnd2 = _startEnd.dot( _startEnd ); + const startEnd_startP = _startEnd.dot( _startP ); + let t = startEnd_startP / startEnd2; + if ( clampToLine ) { + t = clamp( t, 0, 1 ); + } + return t; + } + closestPointToPoint( point, clampToLine, target ) { + const t = this.closestPointToPointParameter( point, clampToLine ); + return this.delta( target ).multiplyScalar( t ).add( this.start ); + } + applyMatrix4( matrix ) { + this.start.applyMatrix4( matrix ); + this.end.applyMatrix4( matrix ); + return this; + } + equals( line ) { + return line.start.equals( this.start ) && line.end.equals( this.end ); + } + clone() { + return new this.constructor().copy( this ); + } + } + const _vector$3 = new Vector3(); + class SpotLightHelper extends Object3D { + constructor( light, color ) { + super(); + this.light = light; + this.matrixAutoUpdate = false; + this.color = color; + this.type = 'SpotLightHelper'; + const geometry = new BufferGeometry(); + const positions = [ + 0, 0, 0, 0, 0, 1, + 0, 0, 0, 1, 0, 1, + 0, 0, 0, -1, 0, 1, + 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, -1, 1 + ]; + for ( let i = 0, j = 1, l = 32; i < l; i ++, j ++ ) { + const p1 = ( i / l ) * Math.PI * 2; + const p2 = ( j / l ) * Math.PI * 2; + positions.push( + Math.cos( p1 ), Math.sin( p1 ), 1, + Math.cos( p2 ), Math.sin( p2 ), 1 + ); + } + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + const material = new LineBasicMaterial( { fog: false, toneMapped: false } ); + this.cone = new LineSegments( geometry, material ); + this.add( this.cone ); + this.update(); + } + dispose() { + this.cone.geometry.dispose(); + this.cone.material.dispose(); + } + update() { + this.light.updateWorldMatrix( true, false ); + this.light.target.updateWorldMatrix( true, false ); + if ( this.parent ) { + this.parent.updateWorldMatrix( true ); + this.matrix + .copy( this.parent.matrixWorld ) + .invert() + .multiply( this.light.matrixWorld ); + } else { + this.matrix.copy( this.light.matrixWorld ); + } + this.matrixWorld.copy( this.light.matrixWorld ); + const coneLength = this.light.distance ? this.light.distance : 1000; + const coneWidth = coneLength * Math.tan( this.light.angle ); + this.cone.scale.set( coneWidth, coneWidth, coneLength ); + _vector$3.setFromMatrixPosition( this.light.target.matrixWorld ); + this.cone.lookAt( _vector$3 ); + if ( this.color !== undefined ) { + this.cone.material.color.set( this.color ); + } else { + this.cone.material.color.copy( this.light.color ); + } + } + } + const _vector$2 = new Vector3(); + const _boneMatrix = new Matrix4(); + const _matrixWorldInv = new Matrix4(); + class SkeletonHelper extends LineSegments { + constructor( object ) { + const bones = getBoneList( object ); + const geometry = new BufferGeometry(); + const vertices = []; + const colors = []; + const color1 = new Color( 0, 0, 1 ); + const color2 = new Color( 0, 1, 0 ); + for ( let i = 0; i < bones.length; i ++ ) { + const bone = bones[ i ]; + if ( bone.parent && bone.parent.isBone ) { + vertices.push( 0, 0, 0 ); + vertices.push( 0, 0, 0 ); + colors.push( color1.r, color1.g, color1.b ); + colors.push( color2.r, color2.g, color2.b ); + } + } + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + const material = new LineBasicMaterial( { vertexColors: true, depthTest: false, depthWrite: false, toneMapped: false, transparent: true } ); + super( geometry, material ); + this.isSkeletonHelper = true; + this.type = 'SkeletonHelper'; + this.root = object; + this.bones = bones; + this.matrix = object.matrixWorld; + this.matrixAutoUpdate = false; + } + updateMatrixWorld( force ) { + const bones = this.bones; + const geometry = this.geometry; + const position = geometry.getAttribute( 'position' ); + _matrixWorldInv.copy( this.root.matrixWorld ).invert(); + for ( let i = 0, j = 0; i < bones.length; i ++ ) { + const bone = bones[ i ]; + if ( bone.parent && bone.parent.isBone ) { + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.matrixWorld ); + _vector$2.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j, _vector$2.x, _vector$2.y, _vector$2.z ); + _boneMatrix.multiplyMatrices( _matrixWorldInv, bone.parent.matrixWorld ); + _vector$2.setFromMatrixPosition( _boneMatrix ); + position.setXYZ( j + 1, _vector$2.x, _vector$2.y, _vector$2.z ); + j += 2; + } + } + geometry.getAttribute( 'position' ).needsUpdate = true; + super.updateMatrixWorld( force ); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + function getBoneList( object ) { + const boneList = []; + if ( object.isBone === true ) { + boneList.push( object ); + } + for ( let i = 0; i < object.children.length; i ++ ) { + boneList.push( ...getBoneList( object.children[ i ] ) ); + } + return boneList; + } + class PointLightHelper extends Mesh { + constructor( light, sphereSize, color ) { + const geometry = new SphereGeometry( sphereSize, 4, 2 ); + const material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } ); + super( geometry, material ); + this.light = light; + this.color = color; + this.type = 'PointLightHelper'; + this.matrix = this.light.matrixWorld; + this.matrixAutoUpdate = false; + this.update(); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + update() { + this.light.updateWorldMatrix( true, false ); + if ( this.color !== undefined ) { + this.material.color.set( this.color ); + } else { + this.material.color.copy( this.light.color ); + } + } + } + const _vector$1 = new Vector3(); + const _color1 = new Color(); + const _color2 = new Color(); + class HemisphereLightHelper extends Object3D { + constructor( light, size, color ) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = 'HemisphereLightHelper'; + const geometry = new OctahedronGeometry( size ); + geometry.rotateY( Math.PI * 0.5 ); + this.material = new MeshBasicMaterial( { wireframe: true, fog: false, toneMapped: false } ); + if ( this.color === undefined ) this.material.vertexColors = true; + const position = geometry.getAttribute( 'position' ); + const colors = new Float32Array( position.count * 3 ); + geometry.setAttribute( 'color', new BufferAttribute( colors, 3 ) ); + this.add( new Mesh( geometry, this.material ) ); + this.update(); + } + dispose() { + this.children[ 0 ].geometry.dispose(); + this.children[ 0 ].material.dispose(); + } + update() { + const mesh = this.children[ 0 ]; + if ( this.color !== undefined ) { + this.material.color.set( this.color ); + } else { + const colors = mesh.geometry.getAttribute( 'color' ); + _color1.copy( this.light.color ); + _color2.copy( this.light.groundColor ); + for ( let i = 0, l = colors.count; i < l; i ++ ) { + const color = ( i < ( l / 2 ) ) ? _color1 : _color2; + colors.setXYZ( i, color.r, color.g, color.b ); + } + colors.needsUpdate = true; + } + this.light.updateWorldMatrix( true, false ); + mesh.lookAt( _vector$1.setFromMatrixPosition( this.light.matrixWorld ).negate() ); + } + } + class GridHelper extends LineSegments { + constructor( size = 10, divisions = 10, color1 = 0x444444, color2 = 0x888888 ) { + color1 = new Color( color1 ); + color2 = new Color( color2 ); + const center = divisions / 2; + const step = size / divisions; + const halfSize = size / 2; + const vertices = [], colors = []; + for ( let i = 0, j = 0, k = - halfSize; i <= divisions; i ++, k += step ) { + vertices.push( - halfSize, 0, k, halfSize, 0, k ); + vertices.push( k, 0, - halfSize, k, 0, halfSize ); + const color = i === center ? color1 : color2; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + color.toArray( colors, j ); j += 3; + } + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + super( geometry, material ); + this.type = 'GridHelper'; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + class PolarGridHelper extends LineSegments { + constructor( radius = 10, sectors = 16, rings = 8, divisions = 64, color1 = 0x444444, color2 = 0x888888 ) { + color1 = new Color( color1 ); + color2 = new Color( color2 ); + const vertices = []; + const colors = []; + if ( sectors > 1 ) { + for ( let i = 0; i < sectors; i ++ ) { + const v = ( i / sectors ) * ( Math.PI * 2 ); + const x = Math.sin( v ) * radius; + const z = Math.cos( v ) * radius; + vertices.push( 0, 0, 0 ); + vertices.push( x, 0, z ); + const color = ( i & 1 ) ? color1 : color2; + colors.push( color.r, color.g, color.b ); + colors.push( color.r, color.g, color.b ); + } + } + for ( let i = 0; i < rings; i ++ ) { + const color = ( i & 1 ) ? color1 : color2; + const r = radius - ( radius / rings * i ); + for ( let j = 0; j < divisions; j ++ ) { + let v = ( j / divisions ) * ( Math.PI * 2 ); + let x = Math.sin( v ) * r; + let z = Math.cos( v ) * r; + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + v = ( ( j + 1 ) / divisions ) * ( Math.PI * 2 ); + x = Math.sin( v ) * r; + z = Math.cos( v ) * r; + vertices.push( x, 0, z ); + colors.push( color.r, color.g, color.b ); + } + } + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + super( geometry, material ); + this.type = 'PolarGridHelper'; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + const _v1 = new Vector3(); + const _v2 = new Vector3(); + const _v3 = new Vector3(); + class DirectionalLightHelper extends Object3D { + constructor( light, size, color ) { + super(); + this.light = light; + this.matrix = light.matrixWorld; + this.matrixAutoUpdate = false; + this.color = color; + this.type = 'DirectionalLightHelper'; + if ( size === undefined ) size = 1; + let geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ + - size, size, 0, + size, size, 0, + size, - size, 0, + - size, - size, 0, + - size, size, 0 + ], 3 ) ); + const material = new LineBasicMaterial( { fog: false, toneMapped: false } ); + this.lightPlane = new Line( geometry, material ); + this.add( this.lightPlane ); + geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 0, 1 ], 3 ) ); + this.targetLine = new Line( geometry, material ); + this.add( this.targetLine ); + this.update(); + } + dispose() { + this.lightPlane.geometry.dispose(); + this.lightPlane.material.dispose(); + this.targetLine.geometry.dispose(); + this.targetLine.material.dispose(); + } + update() { + this.light.updateWorldMatrix( true, false ); + this.light.target.updateWorldMatrix( true, false ); + _v1.setFromMatrixPosition( this.light.matrixWorld ); + _v2.setFromMatrixPosition( this.light.target.matrixWorld ); + _v3.subVectors( _v2, _v1 ); + this.lightPlane.lookAt( _v2 ); + if ( this.color !== undefined ) { + this.lightPlane.material.color.set( this.color ); + this.targetLine.material.color.set( this.color ); + } else { + this.lightPlane.material.color.copy( this.light.color ); + this.targetLine.material.color.copy( this.light.color ); + } + this.targetLine.lookAt( _v2 ); + this.targetLine.scale.z = _v3.length(); + } + } + const _vector = new Vector3(); + const _camera = new Camera(); + class CameraHelper extends LineSegments { + constructor( camera ) { + const geometry = new BufferGeometry(); + const material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } ); + const vertices = []; + const colors = []; + const pointMap = {}; + addLine( 'n1', 'n2' ); + addLine( 'n2', 'n4' ); + addLine( 'n4', 'n3' ); + addLine( 'n3', 'n1' ); + addLine( 'f1', 'f2' ); + addLine( 'f2', 'f4' ); + addLine( 'f4', 'f3' ); + addLine( 'f3', 'f1' ); + addLine( 'n1', 'f1' ); + addLine( 'n2', 'f2' ); + addLine( 'n3', 'f3' ); + addLine( 'n4', 'f4' ); + addLine( 'p', 'n1' ); + addLine( 'p', 'n2' ); + addLine( 'p', 'n3' ); + addLine( 'p', 'n4' ); + addLine( 'u1', 'u2' ); + addLine( 'u2', 'u3' ); + addLine( 'u3', 'u1' ); + addLine( 'c', 't' ); + addLine( 'p', 'c' ); + addLine( 'cn1', 'cn2' ); + addLine( 'cn3', 'cn4' ); + addLine( 'cf1', 'cf2' ); + addLine( 'cf3', 'cf4' ); + function addLine( a, b ) { + addPoint( a ); + addPoint( b ); + } + function addPoint( id ) { + vertices.push( 0, 0, 0 ); + colors.push( 0, 0, 0 ); + if ( pointMap[ id ] === undefined ) { + pointMap[ id ] = []; + } + pointMap[ id ].push( ( vertices.length / 3 ) - 1 ); + } + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + super( geometry, material ); + this.type = 'CameraHelper'; + this.camera = camera; + if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); + this.matrix = camera.matrixWorld; + this.matrixAutoUpdate = false; + this.pointMap = pointMap; + this.update(); + const colorFrustum = new Color( 0xffaa00 ); + const colorCone = new Color( 0xff0000 ); + const colorUp = new Color( 0x00aaff ); + const colorTarget = new Color( 0xffffff ); + const colorCross = new Color( 0x333333 ); + this.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross ); + } + setColors( frustum, cone, up, target, cross ) { + const geometry = this.geometry; + const colorAttribute = geometry.getAttribute( 'color' ); + colorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); + colorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); + colorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); + colorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); + colorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); + colorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); + colorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); + colorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); + colorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); + colorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); + colorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); + colorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); + colorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); + colorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); + colorAttribute.needsUpdate = true; + } + update() { + const geometry = this.geometry; + const pointMap = this.pointMap; + const w = 1, h = 1; + _camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse ); + const nearZ = this.camera.coordinateSystem === WebGLCoordinateSystem ? -1 : 0; + setPoint( 'c', pointMap, geometry, _camera, 0, 0, nearZ ); + setPoint( 't', pointMap, geometry, _camera, 0, 0, 1 ); + setPoint( 'n1', pointMap, geometry, _camera, - w, - h, nearZ ); + setPoint( 'n2', pointMap, geometry, _camera, w, - h, nearZ ); + setPoint( 'n3', pointMap, geometry, _camera, - w, h, nearZ ); + setPoint( 'n4', pointMap, geometry, _camera, w, h, nearZ ); + setPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 ); + setPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 ); + setPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 ); + setPoint( 'f4', pointMap, geometry, _camera, w, h, 1 ); + setPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ ); + setPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, nearZ ); + setPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, nearZ ); + setPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 ); + setPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 ); + setPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 ); + setPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 ); + setPoint( 'cn1', pointMap, geometry, _camera, - w, 0, nearZ ); + setPoint( 'cn2', pointMap, geometry, _camera, w, 0, nearZ ); + setPoint( 'cn3', pointMap, geometry, _camera, 0, - h, nearZ ); + setPoint( 'cn4', pointMap, geometry, _camera, 0, h, nearZ ); + geometry.getAttribute( 'position' ).needsUpdate = true; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + function setPoint( point, pointMap, geometry, camera, x, y, z ) { + _vector.set( x, y, z ).unproject( camera ); + const points = pointMap[ point ]; + if ( points !== undefined ) { + const position = geometry.getAttribute( 'position' ); + for ( let i = 0, l = points.length; i < l; i ++ ) { + position.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z ); + } + } + } + const _box = new Box3(); + class BoxHelper extends LineSegments { + constructor( object, color = 0xffff00 ) { + const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + const positions = new Float32Array( 8 * 3 ); + const geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.setAttribute( 'position', new BufferAttribute( positions, 3 ) ); + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + this.object = object; + this.type = 'BoxHelper'; + this.matrixAutoUpdate = false; + this.update(); + } + update() { + if ( this.object !== undefined ) { + _box.setFromObject( this.object ); + } + if ( _box.isEmpty() ) return; + const min = _box.min; + const max = _box.max; + const position = this.geometry.attributes.position; + const array = position.array; + array[ 0 ] = max.x; array[ 1 ] = max.y; array[ 2 ] = max.z; + array[ 3 ] = min.x; array[ 4 ] = max.y; array[ 5 ] = max.z; + array[ 6 ] = min.x; array[ 7 ] = min.y; array[ 8 ] = max.z; + array[ 9 ] = max.x; array[ 10 ] = min.y; array[ 11 ] = max.z; + array[ 12 ] = max.x; array[ 13 ] = max.y; array[ 14 ] = min.z; + array[ 15 ] = min.x; array[ 16 ] = max.y; array[ 17 ] = min.z; + array[ 18 ] = min.x; array[ 19 ] = min.y; array[ 20 ] = min.z; + array[ 21 ] = max.x; array[ 22 ] = min.y; array[ 23 ] = min.z; + position.needsUpdate = true; + this.geometry.computeBoundingSphere(); + } + setFromObject( object ) { + this.object = object; + this.update(); + return this; + } + copy( source, recursive ) { + super.copy( source, recursive ); + this.object = source.object; + return this; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + class Box3Helper extends LineSegments { + constructor( box, color = 0xffff00 ) { + const indices = new Uint16Array( [ 0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7 ] ); + const positions = [ 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1 ]; + const geometry = new BufferGeometry(); + geometry.setIndex( new BufferAttribute( indices, 1 ) ); + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + this.box = box; + this.type = 'Box3Helper'; + this.geometry.computeBoundingSphere(); + } + updateMatrixWorld( force ) { + const box = this.box; + if ( box.isEmpty() ) return; + box.getCenter( this.position ); + box.getSize( this.scale ); + this.scale.multiplyScalar( 0.5 ); + super.updateMatrixWorld( force ); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + class PlaneHelper extends Line { + constructor( plane, size = 1, hex = 0xffff00 ) { + const color = hex; + const positions = [ 1, -1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, -1, 0, 1, 1, 0 ]; + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( positions, 3 ) ); + geometry.computeBoundingSphere(); + super( geometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + this.type = 'PlaneHelper'; + this.plane = plane; + this.size = size; + const positions2 = [ 1, 1, 0, -1, 1, 0, -1, -1, 0, 1, 1, 0, -1, -1, 0, 1, -1, 0 ]; + const geometry2 = new BufferGeometry(); + geometry2.setAttribute( 'position', new Float32BufferAttribute( positions2, 3 ) ); + geometry2.computeBoundingSphere(); + this.add( new Mesh( geometry2, new MeshBasicMaterial( { color: color, opacity: 0.2, transparent: true, depthWrite: false, toneMapped: false } ) ) ); + } + updateMatrixWorld( force ) { + this.position.set( 0, 0, 0 ); + this.scale.set( 0.5 * this.size, 0.5 * this.size, 1 ); + this.lookAt( this.plane.normal ); + this.translateZ( - this.plane.constant ); + super.updateMatrixWorld( force ); + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + this.children[ 0 ].geometry.dispose(); + this.children[ 0 ].material.dispose(); + } + } + const _axis = new Vector3(); + let _lineGeometry, _coneGeometry; + class ArrowHelper extends Object3D { + constructor( dir = new Vector3( 0, 0, 1 ), origin = new Vector3( 0, 0, 0 ), length = 1, color = 0xffff00, headLength = length * 0.2, headWidth = headLength * 0.2 ) { + super(); + this.type = 'ArrowHelper'; + if ( _lineGeometry === undefined ) { + _lineGeometry = new BufferGeometry(); + _lineGeometry.setAttribute( 'position', new Float32BufferAttribute( [ 0, 0, 0, 0, 1, 0 ], 3 ) ); + _coneGeometry = new ConeGeometry( 0.5, 1, 5, 1 ); + _coneGeometry.translate( 0, -0.5, 0 ); + } + this.position.copy( origin ); + this.line = new Line( _lineGeometry, new LineBasicMaterial( { color: color, toneMapped: false } ) ); + this.line.matrixAutoUpdate = false; + this.add( this.line ); + this.cone = new Mesh( _coneGeometry, new MeshBasicMaterial( { color: color, toneMapped: false } ) ); + this.cone.matrixAutoUpdate = false; + this.add( this.cone ); + this.setDirection( dir ); + this.setLength( length, headLength, headWidth ); + } + setDirection( dir ) { + if ( dir.y > 0.99999 ) { + this.quaternion.set( 0, 0, 0, 1 ); + } else if ( dir.y < -0.99999 ) { + this.quaternion.set( 1, 0, 0, 0 ); + } else { + _axis.set( dir.z, 0, - dir.x ).normalize(); + const radians = Math.acos( dir.y ); + this.quaternion.setFromAxisAngle( _axis, radians ); + } + } + setLength( length, headLength = length * 0.2, headWidth = headLength * 0.2 ) { + this.line.scale.set( 1, Math.max( 0.0001, length - headLength ), 1 ); + this.line.updateMatrix(); + this.cone.scale.set( headWidth, headLength, headWidth ); + this.cone.position.y = length; + this.cone.updateMatrix(); + } + setColor( color ) { + this.line.material.color.set( color ); + this.cone.material.color.set( color ); + } + copy( source ) { + super.copy( source, false ); + this.line.copy( source.line ); + this.cone.copy( source.cone ); + return this; + } + dispose() { + this.line.geometry.dispose(); + this.line.material.dispose(); + this.cone.geometry.dispose(); + this.cone.material.dispose(); + } + } + class AxesHelper extends LineSegments { + constructor( size = 1 ) { + const vertices = [ + 0, 0, 0, size, 0, 0, + 0, 0, 0, 0, size, 0, + 0, 0, 0, 0, 0, size + ]; + const colors = [ + 1, 0, 0, 1, 0.6, 0, + 0, 1, 0, 0.6, 1, 0, + 0, 0, 1, 0, 0.6, 1 + ]; + const geometry = new BufferGeometry(); + geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); + geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); + const material = new LineBasicMaterial( { vertexColors: true, toneMapped: false } ); + super( geometry, material ); + this.type = 'AxesHelper'; + } + setColors( xAxisColor, yAxisColor, zAxisColor ) { + const color = new Color(); + const array = this.geometry.attributes.color.array; + color.set( xAxisColor ); + color.toArray( array, 0 ); + color.toArray( array, 3 ); + color.set( yAxisColor ); + color.toArray( array, 6 ); + color.toArray( array, 9 ); + color.set( zAxisColor ); + color.toArray( array, 12 ); + color.toArray( array, 15 ); + this.geometry.attributes.color.needsUpdate = true; + return this; + } + dispose() { + this.geometry.dispose(); + this.material.dispose(); + } + } + class ShapePath { + constructor() { + this.type = 'ShapePath'; + this.color = new Color(); + this.subPaths = []; + this.currentPath = null; + } + moveTo( x, y ) { + this.currentPath = new Path(); + this.subPaths.push( this.currentPath ); + this.currentPath.moveTo( x, y ); + return this; + } + lineTo( x, y ) { + this.currentPath.lineTo( x, y ); + return this; + } + quadraticCurveTo( aCPx, aCPy, aX, aY ) { + this.currentPath.quadraticCurveTo( aCPx, aCPy, aX, aY ); + return this; + } + bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ) { + this.currentPath.bezierCurveTo( aCP1x, aCP1y, aCP2x, aCP2y, aX, aY ); + return this; + } + splineThru( pts ) { + this.currentPath.splineThru( pts ); + return this; + } + toShapes( isCCW ) { + function toShapesNoHoles( inSubpaths ) { + const shapes = []; + for ( let i = 0, l = inSubpaths.length; i < l; i ++ ) { + const tmpPath = inSubpaths[ i ]; + const tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + } + return shapes; + } + function isPointInsidePolygon( inPt, inPolygon ) { + const polyLen = inPolygon.length; + let inside = false; + for ( let p = polyLen - 1, q = 0; q < polyLen; p = q ++ ) { + let edgeLowPt = inPolygon[ p ]; + let edgeHighPt = inPolygon[ q ]; + let edgeDx = edgeHighPt.x - edgeLowPt.x; + let edgeDy = edgeHighPt.y - edgeLowPt.y; + if ( Math.abs( edgeDy ) > Number.EPSILON ) { + if ( edgeDy < 0 ) { + edgeLowPt = inPolygon[ q ]; edgeDx = - edgeDx; + edgeHighPt = inPolygon[ p ]; edgeDy = - edgeDy; + } + if ( ( inPt.y < edgeLowPt.y ) || ( inPt.y > edgeHighPt.y ) ) continue; + if ( inPt.y === edgeLowPt.y ) { + if ( inPt.x === edgeLowPt.x ) return true; + } else { + const perpEdge = edgeDy * ( inPt.x - edgeLowPt.x ) - edgeDx * ( inPt.y - edgeLowPt.y ); + if ( perpEdge === 0 ) return true; + if ( perpEdge < 0 ) continue; + inside = ! inside; + } + } else { + if ( inPt.y !== edgeLowPt.y ) continue; + if ( ( ( edgeHighPt.x <= inPt.x ) && ( inPt.x <= edgeLowPt.x ) ) || + ( ( edgeLowPt.x <= inPt.x ) && ( inPt.x <= edgeHighPt.x ) ) ) return true; + } + } + return inside; + } + const isClockWise = ShapeUtils.isClockWise; + const subPaths = this.subPaths; + if ( subPaths.length === 0 ) return []; + let solid, tmpPath, tmpShape; + const shapes = []; + if ( subPaths.length === 1 ) { + tmpPath = subPaths[ 0 ]; + tmpShape = new Shape(); + tmpShape.curves = tmpPath.curves; + shapes.push( tmpShape ); + return shapes; + } + let holesFirst = ! isClockWise( subPaths[ 0 ].getPoints() ); + holesFirst = isCCW ? ! holesFirst : holesFirst; + const betterShapeHoles = []; + const newShapes = []; + let newShapeHoles = []; + let mainIdx = 0; + let tmpPoints; + newShapes[ mainIdx ] = undefined; + newShapeHoles[ mainIdx ] = []; + for ( let i = 0, l = subPaths.length; i < l; i ++ ) { + tmpPath = subPaths[ i ]; + tmpPoints = tmpPath.getPoints(); + solid = isClockWise( tmpPoints ); + solid = isCCW ? ! solid : solid; + if ( solid ) { + if ( ( ! holesFirst ) && ( newShapes[ mainIdx ] ) ) mainIdx ++; + newShapes[ mainIdx ] = { s: new Shape(), p: tmpPoints }; + newShapes[ mainIdx ].s.curves = tmpPath.curves; + if ( holesFirst ) mainIdx ++; + newShapeHoles[ mainIdx ] = []; + } else { + newShapeHoles[ mainIdx ].push( { h: tmpPath, p: tmpPoints[ 0 ] } ); + } + } + if ( ! newShapes[ 0 ] ) return toShapesNoHoles( subPaths ); + if ( newShapes.length > 1 ) { + let ambiguous = false; + let toChange = 0; + for ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + betterShapeHoles[ sIdx ] = []; + } + for ( let sIdx = 0, sLen = newShapes.length; sIdx < sLen; sIdx ++ ) { + const sho = newShapeHoles[ sIdx ]; + for ( let hIdx = 0; hIdx < sho.length; hIdx ++ ) { + const ho = sho[ hIdx ]; + let hole_unassigned = true; + for ( let s2Idx = 0; s2Idx < newShapes.length; s2Idx ++ ) { + if ( isPointInsidePolygon( ho.p, newShapes[ s2Idx ].p ) ) { + if ( sIdx !== s2Idx ) toChange ++; + if ( hole_unassigned ) { + hole_unassigned = false; + betterShapeHoles[ s2Idx ].push( ho ); + } else { + ambiguous = true; + } + } + } + if ( hole_unassigned ) { + betterShapeHoles[ sIdx ].push( ho ); + } + } + } + if ( toChange > 0 && ambiguous === false ) { + newShapeHoles = betterShapeHoles; + } + } + let tmpHoles; + for ( let i = 0, il = newShapes.length; i < il; i ++ ) { + tmpShape = newShapes[ i ].s; + shapes.push( tmpShape ); + tmpHoles = newShapeHoles[ i ]; + for ( let j = 0, jl = tmpHoles.length; j < jl; j ++ ) { + tmpShape.holes.push( tmpHoles[ j ].h ); + } + } + return shapes; + } + } + class Controls extends EventDispatcher { + constructor( object, domElement = null ) { + super(); + this.object = object; + this.domElement = domElement; + this.enabled = true; + this.state = -1; + this.keys = {}; + this.mouseButtons = { LEFT: null, MIDDLE: null, RIGHT: null }; + this.touches = { ONE: null, TWO: null }; + } + connect( element ) { + if ( element === undefined ) { + console.warn( 'THREE.Controls: connect() now requires an element.' ); + return; + } + if ( this.domElement !== null ) this.disconnect(); + this.domElement = element; + } + disconnect() {} + dispose() {} + update( ) {} + } + function contain( texture, aspect ) { + const imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1; + if ( imageAspect > aspect ) { + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect; + texture.offset.x = 0; + texture.offset.y = ( 1 - texture.repeat.y ) / 2; + } else { + texture.repeat.x = aspect / imageAspect; + texture.repeat.y = 1; + texture.offset.x = ( 1 - texture.repeat.x ) / 2; + texture.offset.y = 0; + } + return texture; + } + function cover( texture, aspect ) { + const imageAspect = ( texture.image && texture.image.width ) ? texture.image.width / texture.image.height : 1; + if ( imageAspect > aspect ) { + texture.repeat.x = aspect / imageAspect; + texture.repeat.y = 1; + texture.offset.x = ( 1 - texture.repeat.x ) / 2; + texture.offset.y = 0; + } else { + texture.repeat.x = 1; + texture.repeat.y = imageAspect / aspect; + texture.offset.x = 0; + texture.offset.y = ( 1 - texture.repeat.y ) / 2; + } + return texture; + } + function fill( texture ) { + texture.repeat.x = 1; + texture.repeat.y = 1; + texture.offset.x = 0; + texture.offset.y = 0; + return texture; + } + function getByteLength( width, height, format, type ) { + const typeByteLength = getTextureTypeByteLength( type ); + switch ( format ) { + case AlphaFormat: + return width * height; + case RedFormat: + return ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength; + case RedIntegerFormat: + return ( ( width * height ) / typeByteLength.components ) * typeByteLength.byteLength; + case RGFormat: + return ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength; + case RGIntegerFormat: + return ( ( width * height * 2 ) / typeByteLength.components ) * typeByteLength.byteLength; + case RGBFormat: + return ( ( width * height * 3 ) / typeByteLength.components ) * typeByteLength.byteLength; + case RGBAFormat: + return ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength; + case RGBAIntegerFormat: + return ( ( width * height * 4 ) / typeByteLength.components ) * typeByteLength.byteLength; + case RGB_S3TC_DXT1_Format: + case RGBA_S3TC_DXT1_Format: + return Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8; + case RGBA_S3TC_DXT3_Format: + case RGBA_S3TC_DXT5_Format: + return Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16; + case RGB_PVRTC_2BPPV1_Format: + case RGBA_PVRTC_2BPPV1_Format: + return ( Math.max( width, 16 ) * Math.max( height, 8 ) ) / 4; + case RGB_PVRTC_4BPPV1_Format: + case RGBA_PVRTC_4BPPV1_Format: + return ( Math.max( width, 8 ) * Math.max( height, 8 ) ) / 2; + case RGB_ETC1_Format: + case RGB_ETC2_Format: + return Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 8; + case RGBA_ETC2_EAC_Format: + return Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16; + case RGBA_ASTC_4x4_Format: + return Math.floor( ( width + 3 ) / 4 ) * Math.floor( ( height + 3 ) / 4 ) * 16; + case RGBA_ASTC_5x4_Format: + return Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 3 ) / 4 ) * 16; + case RGBA_ASTC_5x5_Format: + return Math.floor( ( width + 4 ) / 5 ) * Math.floor( ( height + 4 ) / 5 ) * 16; + case RGBA_ASTC_6x5_Format: + return Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 4 ) / 5 ) * 16; + case RGBA_ASTC_6x6_Format: + return Math.floor( ( width + 5 ) / 6 ) * Math.floor( ( height + 5 ) / 6 ) * 16; + case RGBA_ASTC_8x5_Format: + return Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 4 ) / 5 ) * 16; + case RGBA_ASTC_8x6_Format: + return Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 5 ) / 6 ) * 16; + case RGBA_ASTC_8x8_Format: + return Math.floor( ( width + 7 ) / 8 ) * Math.floor( ( height + 7 ) / 8 ) * 16; + case RGBA_ASTC_10x5_Format: + return Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 4 ) / 5 ) * 16; + case RGBA_ASTC_10x6_Format: + return Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 5 ) / 6 ) * 16; + case RGBA_ASTC_10x8_Format: + return Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 7 ) / 8 ) * 16; + case RGBA_ASTC_10x10_Format: + return Math.floor( ( width + 9 ) / 10 ) * Math.floor( ( height + 9 ) / 10 ) * 16; + case RGBA_ASTC_12x10_Format: + return Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 9 ) / 10 ) * 16; + case RGBA_ASTC_12x12_Format: + return Math.floor( ( width + 11 ) / 12 ) * Math.floor( ( height + 11 ) / 12 ) * 16; + case RGBA_BPTC_Format: + case RGB_BPTC_SIGNED_Format: + case RGB_BPTC_UNSIGNED_Format: + return Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16; + case RED_RGTC1_Format: + case SIGNED_RED_RGTC1_Format: + return Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 8; + case RED_GREEN_RGTC2_Format: + case SIGNED_RED_GREEN_RGTC2_Format: + return Math.ceil( width / 4 ) * Math.ceil( height / 4 ) * 16; + } + throw new Error( + `Unable to determine texture byte length for ${format} format.`, + ); + } + function getTextureTypeByteLength( type ) { + switch ( type ) { + case UnsignedByteType: + case ByteType: + return { byteLength: 1, components: 1 }; + case UnsignedShortType: + case ShortType: + case HalfFloatType: + return { byteLength: 2, components: 1 }; + case UnsignedShort4444Type: + case UnsignedShort5551Type: + return { byteLength: 2, components: 4 }; + case UnsignedIntType: + case IntType: + case FloatType: + return { byteLength: 4, components: 1 }; + case UnsignedInt5999Type: + return { byteLength: 4, components: 3 }; + } + throw new Error( `Unknown texture type ${type}.` ); + } + class TextureUtils { + static contain( texture, aspect ) { + return contain( texture, aspect ); + } + static cover( texture, aspect ) { + return cover( texture, aspect ); + } + static fill( texture ) { + return fill( texture ); + } + static getByteLength( width, height, format, type ) { + return getByteLength( width, height, format, type ); + } + } + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'register', { detail: { + revision: REVISION, + } } ) ); + } + if ( typeof window !== 'undefined' ) { + if ( window.__THREE__ ) { + console.warn( 'WARNING: Multiple instances of Three.js being imported.' ); + } else { + window.__THREE__ = REVISION; + } + } + + function WebGLAnimation() { + let context = null; + let isAnimating = false; + let animationLoop = null; + let requestId = null; + function onAnimationFrame( time, frame ) { + animationLoop( time, frame ); + requestId = context.requestAnimationFrame( onAnimationFrame ); + } + return { + start: function () { + if ( isAnimating === true ) return; + if ( animationLoop === null ) return; + requestId = context.requestAnimationFrame( onAnimationFrame ); + isAnimating = true; + }, + stop: function () { + context.cancelAnimationFrame( requestId ); + isAnimating = false; + }, + setAnimationLoop: function ( callback ) { + animationLoop = callback; + }, + setContext: function ( value ) { + context = value; + } + }; + } + function WebGLAttributes( gl ) { + const buffers = new WeakMap(); + function createBuffer( attribute, bufferType ) { + const array = attribute.array; + const usage = attribute.usage; + const size = array.byteLength; + const buffer = gl.createBuffer(); + gl.bindBuffer( bufferType, buffer ); + gl.bufferData( bufferType, array, usage ); + attribute.onUploadCallback(); + let type; + if ( array instanceof Float32Array ) { + type = gl.FLOAT; + } else if ( typeof Float16Array !== 'undefined' && array instanceof Float16Array ) { + type = gl.HALF_FLOAT; + } else if ( array instanceof Uint16Array ) { + if ( attribute.isFloat16BufferAttribute ) { + type = gl.HALF_FLOAT; + } else { + type = gl.UNSIGNED_SHORT; + } + } else if ( array instanceof Int16Array ) { + type = gl.SHORT; + } else if ( array instanceof Uint32Array ) { + type = gl.UNSIGNED_INT; + } else if ( array instanceof Int32Array ) { + type = gl.INT; + } else if ( array instanceof Int8Array ) { + type = gl.BYTE; + } else if ( array instanceof Uint8Array ) { + type = gl.UNSIGNED_BYTE; + } else if ( array instanceof Uint8ClampedArray ) { + type = gl.UNSIGNED_BYTE; + } else { + throw new Error( 'THREE.WebGLAttributes: Unsupported buffer data format: ' + array ); + } + return { + buffer: buffer, + type: type, + bytesPerElement: array.BYTES_PER_ELEMENT, + version: attribute.version, + size: size + }; + } + function updateBuffer( buffer, attribute, bufferType ) { + const array = attribute.array; + const updateRanges = attribute.updateRanges; + gl.bindBuffer( bufferType, buffer ); + if ( updateRanges.length === 0 ) { + gl.bufferSubData( bufferType, 0, array ); + } else { + updateRanges.sort( ( a, b ) => a.start - b.start ); + let mergeIndex = 0; + for ( let i = 1; i < updateRanges.length; i ++ ) { + const previousRange = updateRanges[ mergeIndex ]; + const range = updateRanges[ i ]; + if ( range.start <= previousRange.start + previousRange.count + 1 ) { + previousRange.count = Math.max( + previousRange.count, + range.start + range.count - previousRange.start + ); + } else { + ++ mergeIndex; + updateRanges[ mergeIndex ] = range; + } + } + updateRanges.length = mergeIndex + 1; + for ( let i = 0, l = updateRanges.length; i < l; i ++ ) { + const range = updateRanges[ i ]; + gl.bufferSubData( bufferType, range.start * array.BYTES_PER_ELEMENT, + array, range.start, range.count ); + } + attribute.clearUpdateRanges(); + } + attribute.onUploadCallback(); + } + function get( attribute ) { + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + return buffers.get( attribute ); + } + function remove( attribute ) { + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + const data = buffers.get( attribute ); + if ( data ) { + gl.deleteBuffer( data.buffer ); + buffers.delete( attribute ); + } + } + function update( attribute, bufferType ) { + if ( attribute.isInterleavedBufferAttribute ) attribute = attribute.data; + if ( attribute.isGLBufferAttribute ) { + const cached = buffers.get( attribute ); + if ( ! cached || cached.version < attribute.version ) { + buffers.set( attribute, { + buffer: attribute.buffer, + type: attribute.type, + bytesPerElement: attribute.elementSize, + version: attribute.version + } ); + } + return; + } + const data = buffers.get( attribute ); + if ( data === undefined ) { + buffers.set( attribute, createBuffer( attribute, bufferType ) ); + } else if ( data.version < attribute.version ) { + if ( data.size !== attribute.array.byteLength ) { + throw new Error( 'THREE.WebGLAttributes: The size of the buffer attribute\'s array buffer does not match the original size. Resizing buffer attributes is not supported.' ); + } + updateBuffer( data.buffer, attribute, bufferType ); + data.version = attribute.version; + } + } + return { + get: get, + remove: remove, + update: update + }; + } + var alphahash_fragment = "#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif"; + var alphahash_pars_fragment = "#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif"; + var alphamap_fragment = "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif"; + var alphamap_pars_fragment = "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; + var alphatest_fragment = "#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif"; + var alphatest_pars_fragment = "#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif"; + var aomap_fragment = "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif"; + var aomap_pars_fragment = "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif"; + var batching_pars_vertex = "#ifdef USE_BATCHING\n\t#if ! defined( GL_ANGLE_multi_draw )\n\t#define gl_DrawID _gl_DrawID\n\tuniform int _gl_DrawID;\n\t#endif\n\tuniform highp sampler2D batchingTexture;\n\tuniform highp usampler2D batchingIdTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n\tfloat getIndirectIndex( const in int i ) {\n\t\tint size = textureSize( batchingIdTexture, 0 ).x;\n\t\tint x = i % size;\n\t\tint y = i / size;\n\t\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\n\t}\n#endif\n#ifdef USE_BATCHING_COLOR\n\tuniform sampler2D batchingColorTexture;\n\tvec3 getBatchingColor( const in float i ) {\n\t\tint size = textureSize( batchingColorTexture, 0 ).x;\n\t\tint j = int( i );\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\n\t}\n#endif"; + var batching_vertex = "#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\n#endif"; + var begin_vertex = "vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif"; + var beginnormal_vertex = "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif"; + var bsdfs = "float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated"; + var iridescence_fragment = "#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660, 0.0556434,\n\t\t-1.5371385, 1.8760108, -0.2040259,\n\t\t-0.4985314, 0.0415560, 1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif"; + var bumpmap_pars_fragment = "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif"; + var clipping_planes_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif"; + var clipping_planes_pars_fragment = "#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif"; + var clipping_planes_pars_vertex = "#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif"; + var clipping_planes_vertex = "#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif"; + var color_fragment = "#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif"; + var color_pars_fragment = "#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif"; + var color_pars_vertex = "#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif"; + var color_vertex = "#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.xyz;\n#endif"; + var common = "#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated"; + var cube_uv_reflection_fragment = "#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif"; + var defaultnormal_vertex = "vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif"; + var displacementmap_pars_vertex = "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif"; + var displacementmap_vertex = "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif"; + var emissivemap_fragment = "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif"; + var emissivemap_pars_fragment = "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif"; + var colorspace_fragment = "gl_FragColor = linearToOutputTexel( gl_FragColor );"; + var colorspace_pars_fragment = "vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}"; + var envmap_fragment = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif"; + var envmap_common_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif"; + var envmap_pars_fragment = "#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif"; + var envmap_pars_vertex = "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif"; + var envmap_vertex = "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif"; + var fog_vertex = "#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif"; + var fog_pars_vertex = "#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif"; + var fog_fragment = "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif"; + var fog_pars_fragment = "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif"; + var gradientmap_pars_fragment = "#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}"; + var lightmap_pars_fragment = "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif"; + var lights_lambert_fragment = "LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;"; + var lights_lambert_pars_fragment = "varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert"; + var lights_pars_begin = "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif"; + var envmap_physical_pars_fragment = "#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif"; + var lights_toon_fragment = "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;"; + var lights_toon_pars_fragment = "varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon"; + var lights_phong_fragment = "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;"; + var lights_phong_pars_fragment = "varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong"; + var lights_physical_fragment = "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif"; + var lights_physical_pars_fragment = "struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}"; + var lights_fragment_begin = "\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif"; + var lights_fragment_maps = "#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif"; + var lights_fragment_end = "#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif"; + var logdepthbuf_fragment = "#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif"; + var logdepthbuf_pars_fragment = "#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif"; + var logdepthbuf_pars_vertex = "#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif"; + var logdepthbuf_vertex = "#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif"; + var map_fragment = "#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif"; + var map_pars_fragment = "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif"; + var map_particle_fragment = "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif"; + var map_particle_pars_fragment = "#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif"; + var metalnessmap_fragment = "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif"; + var metalnessmap_pars_fragment = "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif"; + var morphinstance_vertex = "#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif"; + var morphcolor_vertex = "#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif"; + var morphnormal_vertex = "#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif"; + var morphtarget_pars_vertex = "#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif"; + var morphtarget_vertex = "#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif"; + var normal_fragment_begin = "float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;"; + var normal_fragment_maps = "#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif"; + var normal_pars_fragment = "#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif"; + var normal_pars_vertex = "#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif"; + var normal_vertex = "#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif"; + var normalmap_pars_fragment = "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif"; + var clearcoat_normal_fragment_begin = "#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif"; + var clearcoat_normal_fragment_maps = "#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif"; + var clearcoat_pars_fragment = "#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif"; + var iridescence_pars_fragment = "#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif"; + var opaque_fragment = "#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );"; + var packing = "vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}"; + var premultiplied_alpha_fragment = "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif"; + var project_vertex = "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;"; + var dithering_fragment = "#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif"; + var dithering_pars_fragment = "#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif"; + var roughnessmap_fragment = "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif"; + var roughnessmap_pars_fragment = "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif"; + var shadowmap_pars_fragment = "#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif"; + var shadowmap_pars_vertex = "#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif"; + var shadowmap_vertex = "#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif"; + var shadowmask_pars_fragment = "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}"; + var skinbase_vertex = "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif"; + var skinning_pars_vertex = "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif"; + var skinning_vertex = "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif"; + var skinnormal_vertex = "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif"; + var specularmap_fragment = "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif"; + var specularmap_pars_fragment = "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif"; + var tonemapping_fragment = "#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif"; + var tonemapping_pars_fragment = "#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }"; + var transmission_fragment = "#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif"; + var transmission_pars_fragment = "#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif"; + var uv_pars_fragment = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif"; + var uv_pars_vertex = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif"; + var uv_vertex = "#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif"; + var worldpos_vertex = "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif"; + const vertex$h = "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}"; + const fragment$h = "uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}"; + const vertex$g = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}"; + const fragment$g = "#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include \n\t#include \n}"; + const vertex$f = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}"; + const fragment$f = "uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}"; + const vertex$e = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}"; + const fragment$e = "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}"; + const vertex$d = "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}"; + const fragment$d = "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}"; + const vertex$c = "varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}"; + const fragment$c = "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include \n\t#include \n}"; + const vertex$b = "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const fragment$b = "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$a = "#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const fragment$a = "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$9 = "#define LAMBERT\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const fragment$9 = "#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$8 = "#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}"; + const fragment$8 = "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$7 = "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}"; + const fragment$7 = "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}"; + const vertex$6 = "#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const fragment$6 = "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$5 = "#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}"; + const fragment$5 = "#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$4 = "#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}"; + const fragment$4 = "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$3 = "uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const fragment$3 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const vertex$2 = "#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const fragment$2 = "uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}"; + const vertex$1 = "uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix[ 3 ];\n\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"; + const fragment$1 = "uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"; + const ShaderChunk = { + alphahash_fragment: alphahash_fragment, + alphahash_pars_fragment: alphahash_pars_fragment, + alphamap_fragment: alphamap_fragment, + alphamap_pars_fragment: alphamap_pars_fragment, + alphatest_fragment: alphatest_fragment, + alphatest_pars_fragment: alphatest_pars_fragment, + aomap_fragment: aomap_fragment, + aomap_pars_fragment: aomap_pars_fragment, + batching_pars_vertex: batching_pars_vertex, + batching_vertex: batching_vertex, + begin_vertex: begin_vertex, + beginnormal_vertex: beginnormal_vertex, + bsdfs: bsdfs, + iridescence_fragment: iridescence_fragment, + bumpmap_pars_fragment: bumpmap_pars_fragment, + clipping_planes_fragment: clipping_planes_fragment, + clipping_planes_pars_fragment: clipping_planes_pars_fragment, + clipping_planes_pars_vertex: clipping_planes_pars_vertex, + clipping_planes_vertex: clipping_planes_vertex, + color_fragment: color_fragment, + color_pars_fragment: color_pars_fragment, + color_pars_vertex: color_pars_vertex, + color_vertex: color_vertex, + common: common, + cube_uv_reflection_fragment: cube_uv_reflection_fragment, + defaultnormal_vertex: defaultnormal_vertex, + displacementmap_pars_vertex: displacementmap_pars_vertex, + displacementmap_vertex: displacementmap_vertex, + emissivemap_fragment: emissivemap_fragment, + emissivemap_pars_fragment: emissivemap_pars_fragment, + colorspace_fragment: colorspace_fragment, + colorspace_pars_fragment: colorspace_pars_fragment, + envmap_fragment: envmap_fragment, + envmap_common_pars_fragment: envmap_common_pars_fragment, + envmap_pars_fragment: envmap_pars_fragment, + envmap_pars_vertex: envmap_pars_vertex, + envmap_physical_pars_fragment: envmap_physical_pars_fragment, + envmap_vertex: envmap_vertex, + fog_vertex: fog_vertex, + fog_pars_vertex: fog_pars_vertex, + fog_fragment: fog_fragment, + fog_pars_fragment: fog_pars_fragment, + gradientmap_pars_fragment: gradientmap_pars_fragment, + lightmap_pars_fragment: lightmap_pars_fragment, + lights_lambert_fragment: lights_lambert_fragment, + lights_lambert_pars_fragment: lights_lambert_pars_fragment, + lights_pars_begin: lights_pars_begin, + lights_toon_fragment: lights_toon_fragment, + lights_toon_pars_fragment: lights_toon_pars_fragment, + lights_phong_fragment: lights_phong_fragment, + lights_phong_pars_fragment: lights_phong_pars_fragment, + lights_physical_fragment: lights_physical_fragment, + lights_physical_pars_fragment: lights_physical_pars_fragment, + lights_fragment_begin: lights_fragment_begin, + lights_fragment_maps: lights_fragment_maps, + lights_fragment_end: lights_fragment_end, + logdepthbuf_fragment: logdepthbuf_fragment, + logdepthbuf_pars_fragment: logdepthbuf_pars_fragment, + logdepthbuf_pars_vertex: logdepthbuf_pars_vertex, + logdepthbuf_vertex: logdepthbuf_vertex, + map_fragment: map_fragment, + map_pars_fragment: map_pars_fragment, + map_particle_fragment: map_particle_fragment, + map_particle_pars_fragment: map_particle_pars_fragment, + metalnessmap_fragment: metalnessmap_fragment, + metalnessmap_pars_fragment: metalnessmap_pars_fragment, + morphinstance_vertex: morphinstance_vertex, + morphcolor_vertex: morphcolor_vertex, + morphnormal_vertex: morphnormal_vertex, + morphtarget_pars_vertex: morphtarget_pars_vertex, + morphtarget_vertex: morphtarget_vertex, + normal_fragment_begin: normal_fragment_begin, + normal_fragment_maps: normal_fragment_maps, + normal_pars_fragment: normal_pars_fragment, + normal_pars_vertex: normal_pars_vertex, + normal_vertex: normal_vertex, + normalmap_pars_fragment: normalmap_pars_fragment, + clearcoat_normal_fragment_begin: clearcoat_normal_fragment_begin, + clearcoat_normal_fragment_maps: clearcoat_normal_fragment_maps, + clearcoat_pars_fragment: clearcoat_pars_fragment, + iridescence_pars_fragment: iridescence_pars_fragment, + opaque_fragment: opaque_fragment, + packing: packing, + premultiplied_alpha_fragment: premultiplied_alpha_fragment, + project_vertex: project_vertex, + dithering_fragment: dithering_fragment, + dithering_pars_fragment: dithering_pars_fragment, + roughnessmap_fragment: roughnessmap_fragment, + roughnessmap_pars_fragment: roughnessmap_pars_fragment, + shadowmap_pars_fragment: shadowmap_pars_fragment, + shadowmap_pars_vertex: shadowmap_pars_vertex, + shadowmap_vertex: shadowmap_vertex, + shadowmask_pars_fragment: shadowmask_pars_fragment, + skinbase_vertex: skinbase_vertex, + skinning_pars_vertex: skinning_pars_vertex, + skinning_vertex: skinning_vertex, + skinnormal_vertex: skinnormal_vertex, + specularmap_fragment: specularmap_fragment, + specularmap_pars_fragment: specularmap_pars_fragment, + tonemapping_fragment: tonemapping_fragment, + tonemapping_pars_fragment: tonemapping_pars_fragment, + transmission_fragment: transmission_fragment, + transmission_pars_fragment: transmission_pars_fragment, + uv_pars_fragment: uv_pars_fragment, + uv_pars_vertex: uv_pars_vertex, + uv_vertex: uv_vertex, + worldpos_vertex: worldpos_vertex, + background_vert: vertex$h, + background_frag: fragment$h, + backgroundCube_vert: vertex$g, + backgroundCube_frag: fragment$g, + cube_vert: vertex$f, + cube_frag: fragment$f, + depth_vert: vertex$e, + depth_frag: fragment$e, + distanceRGBA_vert: vertex$d, + distanceRGBA_frag: fragment$d, + equirect_vert: vertex$c, + equirect_frag: fragment$c, + linedashed_vert: vertex$b, + linedashed_frag: fragment$b, + meshbasic_vert: vertex$a, + meshbasic_frag: fragment$a, + meshlambert_vert: vertex$9, + meshlambert_frag: fragment$9, + meshmatcap_vert: vertex$8, + meshmatcap_frag: fragment$8, + meshnormal_vert: vertex$7, + meshnormal_frag: fragment$7, + meshphong_vert: vertex$6, + meshphong_frag: fragment$6, + meshphysical_vert: vertex$5, + meshphysical_frag: fragment$5, + meshtoon_vert: vertex$4, + meshtoon_frag: fragment$4, + points_vert: vertex$3, + points_frag: fragment$3, + shadow_vert: vertex$2, + shadow_frag: fragment$2, + sprite_vert: vertex$1, + sprite_frag: fragment$1 + }; + const UniformsLib = { + common: { + diffuse: { value: new Color( 0xffffff ) }, + opacity: { value: 1.0 }, + map: { value: null }, + mapTransform: { value: new Matrix3() }, + alphaMap: { value: null }, + alphaMapTransform: { value: new Matrix3() }, + alphaTest: { value: 0 } + }, + specularmap: { + specularMap: { value: null }, + specularMapTransform: { value: new Matrix3() } + }, + envmap: { + envMap: { value: null }, + envMapRotation: { value: new Matrix3() }, + flipEnvMap: { value: -1 }, + reflectivity: { value: 1.0 }, + ior: { value: 1.5 }, + refractionRatio: { value: 0.98 }, + }, + aomap: { + aoMap: { value: null }, + aoMapIntensity: { value: 1 }, + aoMapTransform: { value: new Matrix3() } + }, + lightmap: { + lightMap: { value: null }, + lightMapIntensity: { value: 1 }, + lightMapTransform: { value: new Matrix3() } + }, + bumpmap: { + bumpMap: { value: null }, + bumpMapTransform: { value: new Matrix3() }, + bumpScale: { value: 1 } + }, + normalmap: { + normalMap: { value: null }, + normalMapTransform: { value: new Matrix3() }, + normalScale: { value: new Vector2( 1, 1 ) } + }, + displacementmap: { + displacementMap: { value: null }, + displacementMapTransform: { value: new Matrix3() }, + displacementScale: { value: 1 }, + displacementBias: { value: 0 } + }, + emissivemap: { + emissiveMap: { value: null }, + emissiveMapTransform: { value: new Matrix3() } + }, + metalnessmap: { + metalnessMap: { value: null }, + metalnessMapTransform: { value: new Matrix3() } + }, + roughnessmap: { + roughnessMap: { value: null }, + roughnessMapTransform: { value: new Matrix3() } + }, + gradientmap: { + gradientMap: { value: null } + }, + fog: { + fogDensity: { value: 0.00025 }, + fogNear: { value: 1 }, + fogFar: { value: 2000 }, + fogColor: { value: new Color( 0xffffff ) } + }, + lights: { + ambientLightColor: { value: [] }, + lightProbe: { value: [] }, + directionalLights: { value: [], properties: { + direction: {}, + color: {} + } }, + directionalLightShadows: { value: [], properties: { + shadowIntensity: 1, + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + directionalShadowMap: { value: [] }, + directionalShadowMatrix: { value: [] }, + spotLights: { value: [], properties: { + color: {}, + position: {}, + direction: {}, + distance: {}, + coneCos: {}, + penumbraCos: {}, + decay: {} + } }, + spotLightShadows: { value: [], properties: { + shadowIntensity: 1, + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {} + } }, + spotLightMap: { value: [] }, + spotShadowMap: { value: [] }, + spotLightMatrix: { value: [] }, + pointLights: { value: [], properties: { + color: {}, + position: {}, + decay: {}, + distance: {} + } }, + pointLightShadows: { value: [], properties: { + shadowIntensity: 1, + shadowBias: {}, + shadowNormalBias: {}, + shadowRadius: {}, + shadowMapSize: {}, + shadowCameraNear: {}, + shadowCameraFar: {} + } }, + pointShadowMap: { value: [] }, + pointShadowMatrix: { value: [] }, + hemisphereLights: { value: [], properties: { + direction: {}, + skyColor: {}, + groundColor: {} + } }, + rectAreaLights: { value: [], properties: { + color: {}, + position: {}, + width: {}, + height: {} + } }, + ltc_1: { value: null }, + ltc_2: { value: null } + }, + points: { + diffuse: { value: new Color( 0xffffff ) }, + opacity: { value: 1.0 }, + size: { value: 1.0 }, + scale: { value: 1.0 }, + map: { value: null }, + alphaMap: { value: null }, + alphaMapTransform: { value: new Matrix3() }, + alphaTest: { value: 0 }, + uvTransform: { value: new Matrix3() } + }, + sprite: { + diffuse: { value: new Color( 0xffffff ) }, + opacity: { value: 1.0 }, + center: { value: new Vector2( 0.5, 0.5 ) }, + rotation: { value: 0.0 }, + map: { value: null }, + mapTransform: { value: new Matrix3() }, + alphaMap: { value: null }, + alphaMapTransform: { value: new Matrix3() }, + alphaTest: { value: 0 } + } + }; + const ShaderLib = { + basic: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.fog + ] ), + vertexShader: ShaderChunk.meshbasic_vert, + fragmentShader: ShaderChunk.meshbasic_frag + }, + lambert: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) } + } + ] ), + vertexShader: ShaderChunk.meshlambert_vert, + fragmentShader: ShaderChunk.meshlambert_frag + }, + phong: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.specularmap, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) }, + specular: { value: new Color( 0x111111 ) }, + shininess: { value: 30 } + } + ] ), + vertexShader: ShaderChunk.meshphong_vert, + fragmentShader: ShaderChunk.meshphong_frag + }, + standard: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.envmap, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.roughnessmap, + UniformsLib.metalnessmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) }, + roughness: { value: 1.0 }, + metalness: { value: 0.0 }, + envMapIntensity: { value: 1 } + } + ] ), + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + }, + toon: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.aomap, + UniformsLib.lightmap, + UniformsLib.emissivemap, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.gradientmap, + UniformsLib.fog, + UniformsLib.lights, + { + emissive: { value: new Color( 0x000000 ) } + } + ] ), + vertexShader: ShaderChunk.meshtoon_vert, + fragmentShader: ShaderChunk.meshtoon_frag + }, + matcap: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + UniformsLib.fog, + { + matcap: { value: null } + } + ] ), + vertexShader: ShaderChunk.meshmatcap_vert, + fragmentShader: ShaderChunk.meshmatcap_frag + }, + points: { + uniforms: mergeUniforms( [ + UniformsLib.points, + UniformsLib.fog + ] ), + vertexShader: ShaderChunk.points_vert, + fragmentShader: ShaderChunk.points_frag + }, + dashed: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.fog, + { + scale: { value: 1 }, + dashSize: { value: 1 }, + totalSize: { value: 2 } + } + ] ), + vertexShader: ShaderChunk.linedashed_vert, + fragmentShader: ShaderChunk.linedashed_frag + }, + depth: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.displacementmap + ] ), + vertexShader: ShaderChunk.depth_vert, + fragmentShader: ShaderChunk.depth_frag + }, + normal: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.bumpmap, + UniformsLib.normalmap, + UniformsLib.displacementmap, + { + opacity: { value: 1.0 } + } + ] ), + vertexShader: ShaderChunk.meshnormal_vert, + fragmentShader: ShaderChunk.meshnormal_frag + }, + sprite: { + uniforms: mergeUniforms( [ + UniformsLib.sprite, + UniformsLib.fog + ] ), + vertexShader: ShaderChunk.sprite_vert, + fragmentShader: ShaderChunk.sprite_frag + }, + background: { + uniforms: { + uvTransform: { value: new Matrix3() }, + t2D: { value: null }, + backgroundIntensity: { value: 1 } + }, + vertexShader: ShaderChunk.background_vert, + fragmentShader: ShaderChunk.background_frag + }, + backgroundCube: { + uniforms: { + envMap: { value: null }, + flipEnvMap: { value: -1 }, + backgroundBlurriness: { value: 0 }, + backgroundIntensity: { value: 1 }, + backgroundRotation: { value: new Matrix3() } + }, + vertexShader: ShaderChunk.backgroundCube_vert, + fragmentShader: ShaderChunk.backgroundCube_frag + }, + cube: { + uniforms: { + tCube: { value: null }, + tFlip: { value: -1 }, + opacity: { value: 1.0 } + }, + vertexShader: ShaderChunk.cube_vert, + fragmentShader: ShaderChunk.cube_frag + }, + equirect: { + uniforms: { + tEquirect: { value: null }, + }, + vertexShader: ShaderChunk.equirect_vert, + fragmentShader: ShaderChunk.equirect_frag + }, + distanceRGBA: { + uniforms: mergeUniforms( [ + UniformsLib.common, + UniformsLib.displacementmap, + { + referencePosition: { value: new Vector3() }, + nearDistance: { value: 1 }, + farDistance: { value: 1000 } + } + ] ), + vertexShader: ShaderChunk.distanceRGBA_vert, + fragmentShader: ShaderChunk.distanceRGBA_frag + }, + shadow: { + uniforms: mergeUniforms( [ + UniformsLib.lights, + UniformsLib.fog, + { + color: { value: new Color( 0x00000 ) }, + opacity: { value: 1.0 } + }, + ] ), + vertexShader: ShaderChunk.shadow_vert, + fragmentShader: ShaderChunk.shadow_frag + } + }; + ShaderLib.physical = { + uniforms: mergeUniforms( [ + ShaderLib.standard.uniforms, + { + clearcoat: { value: 0 }, + clearcoatMap: { value: null }, + clearcoatMapTransform: { value: new Matrix3() }, + clearcoatNormalMap: { value: null }, + clearcoatNormalMapTransform: { value: new Matrix3() }, + clearcoatNormalScale: { value: new Vector2( 1, 1 ) }, + clearcoatRoughness: { value: 0 }, + clearcoatRoughnessMap: { value: null }, + clearcoatRoughnessMapTransform: { value: new Matrix3() }, + dispersion: { value: 0 }, + iridescence: { value: 0 }, + iridescenceMap: { value: null }, + iridescenceMapTransform: { value: new Matrix3() }, + iridescenceIOR: { value: 1.3 }, + iridescenceThicknessMinimum: { value: 100 }, + iridescenceThicknessMaximum: { value: 400 }, + iridescenceThicknessMap: { value: null }, + iridescenceThicknessMapTransform: { value: new Matrix3() }, + sheen: { value: 0 }, + sheenColor: { value: new Color( 0x000000 ) }, + sheenColorMap: { value: null }, + sheenColorMapTransform: { value: new Matrix3() }, + sheenRoughness: { value: 1 }, + sheenRoughnessMap: { value: null }, + sheenRoughnessMapTransform: { value: new Matrix3() }, + transmission: { value: 0 }, + transmissionMap: { value: null }, + transmissionMapTransform: { value: new Matrix3() }, + transmissionSamplerSize: { value: new Vector2() }, + transmissionSamplerMap: { value: null }, + thickness: { value: 0 }, + thicknessMap: { value: null }, + thicknessMapTransform: { value: new Matrix3() }, + attenuationDistance: { value: 0 }, + attenuationColor: { value: new Color( 0x000000 ) }, + specularColor: { value: new Color( 1, 1, 1 ) }, + specularColorMap: { value: null }, + specularColorMapTransform: { value: new Matrix3() }, + specularIntensity: { value: 1 }, + specularIntensityMap: { value: null }, + specularIntensityMapTransform: { value: new Matrix3() }, + anisotropyVector: { value: new Vector2() }, + anisotropyMap: { value: null }, + anisotropyMapTransform: { value: new Matrix3() }, + } + ] ), + vertexShader: ShaderChunk.meshphysical_vert, + fragmentShader: ShaderChunk.meshphysical_frag + }; + const _rgb = { r: 0, b: 0, g: 0 }; + const _e1$1 = new Euler(); + const _m1$1 = new Matrix4(); + function WebGLBackground( renderer, cubemaps, cubeuvmaps, state, objects, alpha, premultipliedAlpha ) { + const clearColor = new Color( 0x000000 ); + let clearAlpha = alpha === true ? 0 : 1; + let planeMesh; + let boxMesh; + let currentBackground = null; + let currentBackgroundVersion = 0; + let currentTonemapping = null; + function getBackground( scene ) { + let background = scene.isScene === true ? scene.background : null; + if ( background && background.isTexture ) { + const usePMREM = scene.backgroundBlurriness > 0; + background = ( usePMREM ? cubeuvmaps : cubemaps ).get( background ); + } + return background; + } + function render( scene ) { + let forceClear = false; + const background = getBackground( scene ); + if ( background === null ) { + setClear( clearColor, clearAlpha ); + } else if ( background && background.isColor ) { + setClear( background, 1 ); + forceClear = true; + } + const environmentBlendMode = renderer.xr.getEnvironmentBlendMode(); + if ( environmentBlendMode === 'additive' ) { + state.buffers.color.setClear( 0, 0, 0, 1, premultipliedAlpha ); + } else if ( environmentBlendMode === 'alpha-blend' ) { + state.buffers.color.setClear( 0, 0, 0, 0, premultipliedAlpha ); + } + if ( renderer.autoClear || forceClear ) { + state.buffers.depth.setTest( true ); + state.buffers.depth.setMask( true ); + state.buffers.color.setMask( true ); + renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil ); + } + } + function addToRenderList( renderList, scene ) { + const background = getBackground( scene ); + if ( background && ( background.isCubeTexture || background.mapping === CubeUVReflectionMapping ) ) { + if ( boxMesh === undefined ) { + boxMesh = new Mesh( + new BoxGeometry( 1, 1, 1 ), + new ShaderMaterial( { + name: 'BackgroundCubeMaterial', + uniforms: cloneUniforms( ShaderLib.backgroundCube.uniforms ), + vertexShader: ShaderLib.backgroundCube.vertexShader, + fragmentShader: ShaderLib.backgroundCube.fragmentShader, + side: BackSide, + depthTest: false, + depthWrite: false, + fog: false, + allowOverride: false + } ) + ); + boxMesh.geometry.deleteAttribute( 'normal' ); + boxMesh.geometry.deleteAttribute( 'uv' ); + boxMesh.onBeforeRender = function ( renderer, scene, camera ) { + this.matrixWorld.copyPosition( camera.matrixWorld ); + }; + Object.defineProperty( boxMesh.material, 'envMap', { + get: function () { + return this.uniforms.envMap.value; + } + } ); + objects.update( boxMesh ); + } + _e1$1.copy( scene.backgroundRotation ); + _e1$1.x *= -1; _e1$1.y *= -1; _e1$1.z *= -1; + if ( background.isCubeTexture && background.isRenderTargetTexture === false ) { + _e1$1.y *= -1; + _e1$1.z *= -1; + } + boxMesh.material.uniforms.envMap.value = background; + boxMesh.material.uniforms.flipEnvMap.value = ( background.isCubeTexture && background.isRenderTargetTexture === false ) ? -1 : 1; + boxMesh.material.uniforms.backgroundBlurriness.value = scene.backgroundBlurriness; + boxMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity; + boxMesh.material.uniforms.backgroundRotation.value.setFromMatrix4( _m1$1.makeRotationFromEuler( _e1$1 ) ); + boxMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer; + if ( currentBackground !== background || + currentBackgroundVersion !== background.version || + currentTonemapping !== renderer.toneMapping ) { + boxMesh.material.needsUpdate = true; + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + } + boxMesh.layers.enableAll(); + renderList.unshift( boxMesh, boxMesh.geometry, boxMesh.material, 0, 0, null ); + } else if ( background && background.isTexture ) { + if ( planeMesh === undefined ) { + planeMesh = new Mesh( + new PlaneGeometry( 2, 2 ), + new ShaderMaterial( { + name: 'BackgroundMaterial', + uniforms: cloneUniforms( ShaderLib.background.uniforms ), + vertexShader: ShaderLib.background.vertexShader, + fragmentShader: ShaderLib.background.fragmentShader, + side: FrontSide, + depthTest: false, + depthWrite: false, + fog: false, + allowOverride: false + } ) + ); + planeMesh.geometry.deleteAttribute( 'normal' ); + Object.defineProperty( planeMesh.material, 'map', { + get: function () { + return this.uniforms.t2D.value; + } + } ); + objects.update( planeMesh ); + } + planeMesh.material.uniforms.t2D.value = background; + planeMesh.material.uniforms.backgroundIntensity.value = scene.backgroundIntensity; + planeMesh.material.toneMapped = ColorManagement.getTransfer( background.colorSpace ) !== SRGBTransfer; + if ( background.matrixAutoUpdate === true ) { + background.updateMatrix(); + } + planeMesh.material.uniforms.uvTransform.value.copy( background.matrix ); + if ( currentBackground !== background || + currentBackgroundVersion !== background.version || + currentTonemapping !== renderer.toneMapping ) { + planeMesh.material.needsUpdate = true; + currentBackground = background; + currentBackgroundVersion = background.version; + currentTonemapping = renderer.toneMapping; + } + planeMesh.layers.enableAll(); + renderList.unshift( planeMesh, planeMesh.geometry, planeMesh.material, 0, 0, null ); + } + } + function setClear( color, alpha ) { + color.getRGB( _rgb, getUnlitUniformColorSpace( renderer ) ); + state.buffers.color.setClear( _rgb.r, _rgb.g, _rgb.b, alpha, premultipliedAlpha ); + } + function dispose() { + if ( boxMesh !== undefined ) { + boxMesh.geometry.dispose(); + boxMesh.material.dispose(); + boxMesh = undefined; + } + if ( planeMesh !== undefined ) { + planeMesh.geometry.dispose(); + planeMesh.material.dispose(); + planeMesh = undefined; + } + } + return { + getClearColor: function () { + return clearColor; + }, + setClearColor: function ( color, alpha = 1 ) { + clearColor.set( color ); + clearAlpha = alpha; + setClear( clearColor, clearAlpha ); + }, + getClearAlpha: function () { + return clearAlpha; + }, + setClearAlpha: function ( alpha ) { + clearAlpha = alpha; + setClear( clearColor, clearAlpha ); + }, + render: render, + addToRenderList: addToRenderList, + dispose: dispose + }; + } + function WebGLBindingStates( gl, attributes ) { + const maxVertexAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + const bindingStates = {}; + const defaultState = createBindingState( null ); + let currentState = defaultState; + let forceUpdate = false; + function setup( object, material, program, geometry, index ) { + let updateBuffers = false; + const state = getBindingState( geometry, program, material ); + if ( currentState !== state ) { + currentState = state; + bindVertexArrayObject( currentState.object ); + } + updateBuffers = needsUpdate( object, geometry, program, index ); + if ( updateBuffers ) saveCache( object, geometry, program, index ); + if ( index !== null ) { + attributes.update( index, gl.ELEMENT_ARRAY_BUFFER ); + } + if ( updateBuffers || forceUpdate ) { + forceUpdate = false; + setupVertexAttributes( object, material, program, geometry ); + if ( index !== null ) { + gl.bindBuffer( gl.ELEMENT_ARRAY_BUFFER, attributes.get( index ).buffer ); + } + } + } + function createVertexArrayObject() { + return gl.createVertexArray(); + } + function bindVertexArrayObject( vao ) { + return gl.bindVertexArray( vao ); + } + function deleteVertexArrayObject( vao ) { + return gl.deleteVertexArray( vao ); + } + function getBindingState( geometry, program, material ) { + const wireframe = ( material.wireframe === true ); + let programMap = bindingStates[ geometry.id ]; + if ( programMap === undefined ) { + programMap = {}; + bindingStates[ geometry.id ] = programMap; + } + let stateMap = programMap[ program.id ]; + if ( stateMap === undefined ) { + stateMap = {}; + programMap[ program.id ] = stateMap; + } + let state = stateMap[ wireframe ]; + if ( state === undefined ) { + state = createBindingState( createVertexArrayObject() ); + stateMap[ wireframe ] = state; + } + return state; + } + function createBindingState( vao ) { + const newAttributes = []; + const enabledAttributes = []; + const attributeDivisors = []; + for ( let i = 0; i < maxVertexAttributes; i ++ ) { + newAttributes[ i ] = 0; + enabledAttributes[ i ] = 0; + attributeDivisors[ i ] = 0; + } + return { + geometry: null, + program: null, + wireframe: false, + newAttributes: newAttributes, + enabledAttributes: enabledAttributes, + attributeDivisors: attributeDivisors, + object: vao, + attributes: {}, + index: null + }; + } + function needsUpdate( object, geometry, program, index ) { + const cachedAttributes = currentState.attributes; + const geometryAttributes = geometry.attributes; + let attributesNum = 0; + const programAttributes = program.getAttributes(); + for ( const name in programAttributes ) { + const programAttribute = programAttributes[ name ]; + if ( programAttribute.location >= 0 ) { + const cachedAttribute = cachedAttributes[ name ]; + let geometryAttribute = geometryAttributes[ name ]; + if ( geometryAttribute === undefined ) { + if ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix; + if ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor; + } + if ( cachedAttribute === undefined ) return true; + if ( cachedAttribute.attribute !== geometryAttribute ) return true; + if ( geometryAttribute && cachedAttribute.data !== geometryAttribute.data ) return true; + attributesNum ++; + } + } + if ( currentState.attributesNum !== attributesNum ) return true; + if ( currentState.index !== index ) return true; + return false; + } + function saveCache( object, geometry, program, index ) { + const cache = {}; + const attributes = geometry.attributes; + let attributesNum = 0; + const programAttributes = program.getAttributes(); + for ( const name in programAttributes ) { + const programAttribute = programAttributes[ name ]; + if ( programAttribute.location >= 0 ) { + let attribute = attributes[ name ]; + if ( attribute === undefined ) { + if ( name === 'instanceMatrix' && object.instanceMatrix ) attribute = object.instanceMatrix; + if ( name === 'instanceColor' && object.instanceColor ) attribute = object.instanceColor; + } + const data = {}; + data.attribute = attribute; + if ( attribute && attribute.data ) { + data.data = attribute.data; + } + cache[ name ] = data; + attributesNum ++; + } + } + currentState.attributes = cache; + currentState.attributesNum = attributesNum; + currentState.index = index; + } + function initAttributes() { + const newAttributes = currentState.newAttributes; + for ( let i = 0, il = newAttributes.length; i < il; i ++ ) { + newAttributes[ i ] = 0; + } + } + function enableAttribute( attribute ) { + enableAttributeAndDivisor( attribute, 0 ); + } + function enableAttributeAndDivisor( attribute, meshPerAttribute ) { + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + const attributeDivisors = currentState.attributeDivisors; + newAttributes[ attribute ] = 1; + if ( enabledAttributes[ attribute ] === 0 ) { + gl.enableVertexAttribArray( attribute ); + enabledAttributes[ attribute ] = 1; + } + if ( attributeDivisors[ attribute ] !== meshPerAttribute ) { + gl.vertexAttribDivisor( attribute, meshPerAttribute ); + attributeDivisors[ attribute ] = meshPerAttribute; + } + } + function disableUnusedAttributes() { + const newAttributes = currentState.newAttributes; + const enabledAttributes = currentState.enabledAttributes; + for ( let i = 0, il = enabledAttributes.length; i < il; i ++ ) { + if ( enabledAttributes[ i ] !== newAttributes[ i ] ) { + gl.disableVertexAttribArray( i ); + enabledAttributes[ i ] = 0; + } + } + } + function vertexAttribPointer( index, size, type, normalized, stride, offset, integer ) { + if ( integer === true ) { + gl.vertexAttribIPointer( index, size, type, stride, offset ); + } else { + gl.vertexAttribPointer( index, size, type, normalized, stride, offset ); + } + } + function setupVertexAttributes( object, material, program, geometry ) { + initAttributes(); + const geometryAttributes = geometry.attributes; + const programAttributes = program.getAttributes(); + const materialDefaultAttributeValues = material.defaultAttributeValues; + for ( const name in programAttributes ) { + const programAttribute = programAttributes[ name ]; + if ( programAttribute.location >= 0 ) { + let geometryAttribute = geometryAttributes[ name ]; + if ( geometryAttribute === undefined ) { + if ( name === 'instanceMatrix' && object.instanceMatrix ) geometryAttribute = object.instanceMatrix; + if ( name === 'instanceColor' && object.instanceColor ) geometryAttribute = object.instanceColor; + } + if ( geometryAttribute !== undefined ) { + const normalized = geometryAttribute.normalized; + const size = geometryAttribute.itemSize; + const attribute = attributes.get( geometryAttribute ); + if ( attribute === undefined ) continue; + const buffer = attribute.buffer; + const type = attribute.type; + const bytesPerElement = attribute.bytesPerElement; + const integer = ( type === gl.INT || type === gl.UNSIGNED_INT || geometryAttribute.gpuType === IntType ); + if ( geometryAttribute.isInterleavedBufferAttribute ) { + const data = geometryAttribute.data; + const stride = data.stride; + const offset = geometryAttribute.offset; + if ( data.isInstancedInterleavedBuffer ) { + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + enableAttributeAndDivisor( programAttribute.location + i, data.meshPerAttribute ); + } + if ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) { + geometry._maxInstanceCount = data.meshPerAttribute * data.count; + } + } else { + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + enableAttribute( programAttribute.location + i ); + } + } + gl.bindBuffer( gl.ARRAY_BUFFER, buffer ); + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + stride * bytesPerElement, + ( offset + ( size / programAttribute.locationSize ) * i ) * bytesPerElement, + integer + ); + } + } else { + if ( geometryAttribute.isInstancedBufferAttribute ) { + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + enableAttributeAndDivisor( programAttribute.location + i, geometryAttribute.meshPerAttribute ); + } + if ( object.isInstancedMesh !== true && geometry._maxInstanceCount === undefined ) { + geometry._maxInstanceCount = geometryAttribute.meshPerAttribute * geometryAttribute.count; + } + } else { + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + enableAttribute( programAttribute.location + i ); + } + } + gl.bindBuffer( gl.ARRAY_BUFFER, buffer ); + for ( let i = 0; i < programAttribute.locationSize; i ++ ) { + vertexAttribPointer( + programAttribute.location + i, + size / programAttribute.locationSize, + type, + normalized, + size * bytesPerElement, + ( size / programAttribute.locationSize ) * i * bytesPerElement, + integer + ); + } + } + } else if ( materialDefaultAttributeValues !== undefined ) { + const value = materialDefaultAttributeValues[ name ]; + if ( value !== undefined ) { + switch ( value.length ) { + case 2: + gl.vertexAttrib2fv( programAttribute.location, value ); + break; + case 3: + gl.vertexAttrib3fv( programAttribute.location, value ); + break; + case 4: + gl.vertexAttrib4fv( programAttribute.location, value ); + break; + default: + gl.vertexAttrib1fv( programAttribute.location, value ); + } + } + } + } + } + disableUnusedAttributes(); + } + function dispose() { + reset(); + for ( const geometryId in bindingStates ) { + const programMap = bindingStates[ geometryId ]; + for ( const programId in programMap ) { + const stateMap = programMap[ programId ]; + for ( const wireframe in stateMap ) { + deleteVertexArrayObject( stateMap[ wireframe ].object ); + delete stateMap[ wireframe ]; + } + delete programMap[ programId ]; + } + delete bindingStates[ geometryId ]; + } + } + function releaseStatesOfGeometry( geometry ) { + if ( bindingStates[ geometry.id ] === undefined ) return; + const programMap = bindingStates[ geometry.id ]; + for ( const programId in programMap ) { + const stateMap = programMap[ programId ]; + for ( const wireframe in stateMap ) { + deleteVertexArrayObject( stateMap[ wireframe ].object ); + delete stateMap[ wireframe ]; + } + delete programMap[ programId ]; + } + delete bindingStates[ geometry.id ]; + } + function releaseStatesOfProgram( program ) { + for ( const geometryId in bindingStates ) { + const programMap = bindingStates[ geometryId ]; + if ( programMap[ program.id ] === undefined ) continue; + const stateMap = programMap[ program.id ]; + for ( const wireframe in stateMap ) { + deleteVertexArrayObject( stateMap[ wireframe ].object ); + delete stateMap[ wireframe ]; + } + delete programMap[ program.id ]; + } + } + function reset() { + resetDefaultState(); + forceUpdate = true; + if ( currentState === defaultState ) return; + currentState = defaultState; + bindVertexArrayObject( currentState.object ); + } + function resetDefaultState() { + defaultState.geometry = null; + defaultState.program = null; + defaultState.wireframe = false; + } + return { + setup: setup, + reset: reset, + resetDefaultState: resetDefaultState, + dispose: dispose, + releaseStatesOfGeometry: releaseStatesOfGeometry, + releaseStatesOfProgram: releaseStatesOfProgram, + initAttributes: initAttributes, + enableAttribute: enableAttribute, + disableUnusedAttributes: disableUnusedAttributes + }; + } + function WebGLBufferRenderer( gl, extensions, info ) { + let mode; + function setMode( value ) { + mode = value; + } + function render( start, count ) { + gl.drawArrays( mode, start, count ); + info.update( count, mode, 1 ); + } + function renderInstances( start, count, primcount ) { + if ( primcount === 0 ) return; + gl.drawArraysInstanced( mode, start, count, primcount ); + info.update( count, mode, primcount ); + } + function renderMultiDraw( starts, counts, drawCount ) { + if ( drawCount === 0 ) return; + const extension = extensions.get( 'WEBGL_multi_draw' ); + extension.multiDrawArraysWEBGL( mode, starts, 0, counts, 0, drawCount ); + let elementCount = 0; + for ( let i = 0; i < drawCount; i ++ ) { + elementCount += counts[ i ]; + } + info.update( elementCount, mode, 1 ); + } + function renderMultiDrawInstances( starts, counts, drawCount, primcount ) { + if ( drawCount === 0 ) return; + const extension = extensions.get( 'WEBGL_multi_draw' ); + if ( extension === null ) { + for ( let i = 0; i < starts.length; i ++ ) { + renderInstances( starts[ i ], counts[ i ], primcount[ i ] ); + } + } else { + extension.multiDrawArraysInstancedWEBGL( mode, starts, 0, counts, 0, primcount, 0, drawCount ); + let elementCount = 0; + for ( let i = 0; i < drawCount; i ++ ) { + elementCount += counts[ i ] * primcount[ i ]; + } + info.update( elementCount, mode, 1 ); + } + } + this.setMode = setMode; + this.render = render; + this.renderInstances = renderInstances; + this.renderMultiDraw = renderMultiDraw; + this.renderMultiDrawInstances = renderMultiDrawInstances; + } + function WebGLCapabilities( gl, extensions, parameters, utils ) { + let maxAnisotropy; + function getMaxAnisotropy() { + if ( maxAnisotropy !== undefined ) return maxAnisotropy; + if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { + const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + maxAnisotropy = gl.getParameter( extension.MAX_TEXTURE_MAX_ANISOTROPY_EXT ); + } else { + maxAnisotropy = 0; + } + return maxAnisotropy; + } + function textureFormatReadable( textureFormat ) { + if ( textureFormat !== RGBAFormat && utils.convert( textureFormat ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_FORMAT ) ) { + return false; + } + return true; + } + function textureTypeReadable( textureType ) { + const halfFloatSupportedByExt = ( textureType === HalfFloatType ) && ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ); + if ( textureType !== UnsignedByteType && utils.convert( textureType ) !== gl.getParameter( gl.IMPLEMENTATION_COLOR_READ_TYPE ) && + textureType !== FloatType && ! halfFloatSupportedByExt ) { + return false; + } + return true; + } + function getMaxPrecision( precision ) { + if ( precision === 'highp' ) { + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.HIGH_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.HIGH_FLOAT ).precision > 0 ) { + return 'highp'; + } + precision = 'mediump'; + } + if ( precision === 'mediump' ) { + if ( gl.getShaderPrecisionFormat( gl.VERTEX_SHADER, gl.MEDIUM_FLOAT ).precision > 0 && + gl.getShaderPrecisionFormat( gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT ).precision > 0 ) { + return 'mediump'; + } + } + return 'lowp'; + } + let precision = parameters.precision !== undefined ? parameters.precision : 'highp'; + const maxPrecision = getMaxPrecision( precision ); + if ( maxPrecision !== precision ) { + console.warn( 'THREE.WebGLRenderer:', precision, 'not supported, using', maxPrecision, 'instead.' ); + precision = maxPrecision; + } + const logarithmicDepthBuffer = parameters.logarithmicDepthBuffer === true; + const reverseDepthBuffer = parameters.reverseDepthBuffer === true && extensions.has( 'EXT_clip_control' ); + const maxTextures = gl.getParameter( gl.MAX_TEXTURE_IMAGE_UNITS ); + const maxVertexTextures = gl.getParameter( gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS ); + const maxTextureSize = gl.getParameter( gl.MAX_TEXTURE_SIZE ); + const maxCubemapSize = gl.getParameter( gl.MAX_CUBE_MAP_TEXTURE_SIZE ); + const maxAttributes = gl.getParameter( gl.MAX_VERTEX_ATTRIBS ); + const maxVertexUniforms = gl.getParameter( gl.MAX_VERTEX_UNIFORM_VECTORS ); + const maxVaryings = gl.getParameter( gl.MAX_VARYING_VECTORS ); + const maxFragmentUniforms = gl.getParameter( gl.MAX_FRAGMENT_UNIFORM_VECTORS ); + const vertexTextures = maxVertexTextures > 0; + const maxSamples = gl.getParameter( gl.MAX_SAMPLES ); + return { + isWebGL2: true, + getMaxAnisotropy: getMaxAnisotropy, + getMaxPrecision: getMaxPrecision, + textureFormatReadable: textureFormatReadable, + textureTypeReadable: textureTypeReadable, + precision: precision, + logarithmicDepthBuffer: logarithmicDepthBuffer, + reverseDepthBuffer: reverseDepthBuffer, + maxTextures: maxTextures, + maxVertexTextures: maxVertexTextures, + maxTextureSize: maxTextureSize, + maxCubemapSize: maxCubemapSize, + maxAttributes: maxAttributes, + maxVertexUniforms: maxVertexUniforms, + maxVaryings: maxVaryings, + maxFragmentUniforms: maxFragmentUniforms, + vertexTextures: vertexTextures, + maxSamples: maxSamples + }; + } + function WebGLClipping( properties ) { + const scope = this; + let globalState = null, + numGlobalPlanes = 0, + localClippingEnabled = false, + renderingShadows = false; + const plane = new Plane(), + viewNormalMatrix = new Matrix3(), + uniform = { value: null, needsUpdate: false }; + this.uniform = uniform; + this.numPlanes = 0; + this.numIntersection = 0; + this.init = function ( planes, enableLocalClipping ) { + const enabled = + planes.length !== 0 || + enableLocalClipping || + numGlobalPlanes !== 0 || + localClippingEnabled; + localClippingEnabled = enableLocalClipping; + numGlobalPlanes = planes.length; + return enabled; + }; + this.beginShadows = function () { + renderingShadows = true; + projectPlanes( null ); + }; + this.endShadows = function () { + renderingShadows = false; + }; + this.setGlobalState = function ( planes, camera ) { + globalState = projectPlanes( planes, camera, 0 ); + }; + this.setState = function ( material, camera, useCache ) { + const planes = material.clippingPlanes, + clipIntersection = material.clipIntersection, + clipShadows = material.clipShadows; + const materialProperties = properties.get( material ); + if ( ! localClippingEnabled || planes === null || planes.length === 0 || renderingShadows && ! clipShadows ) { + if ( renderingShadows ) { + projectPlanes( null ); + } else { + resetGlobalState(); + } + } else { + const nGlobal = renderingShadows ? 0 : numGlobalPlanes, + lGlobal = nGlobal * 4; + let dstArray = materialProperties.clippingState || null; + uniform.value = dstArray; + dstArray = projectPlanes( planes, camera, lGlobal, useCache ); + for ( let i = 0; i !== lGlobal; ++ i ) { + dstArray[ i ] = globalState[ i ]; + } + materialProperties.clippingState = dstArray; + this.numIntersection = clipIntersection ? this.numPlanes : 0; + this.numPlanes += nGlobal; + } + }; + function resetGlobalState() { + if ( uniform.value !== globalState ) { + uniform.value = globalState; + uniform.needsUpdate = numGlobalPlanes > 0; + } + scope.numPlanes = numGlobalPlanes; + scope.numIntersection = 0; + } + function projectPlanes( planes, camera, dstOffset, skipTransform ) { + const nPlanes = planes !== null ? planes.length : 0; + let dstArray = null; + if ( nPlanes !== 0 ) { + dstArray = uniform.value; + if ( skipTransform !== true || dstArray === null ) { + const flatSize = dstOffset + nPlanes * 4, + viewMatrix = camera.matrixWorldInverse; + viewNormalMatrix.getNormalMatrix( viewMatrix ); + if ( dstArray === null || dstArray.length < flatSize ) { + dstArray = new Float32Array( flatSize ); + } + for ( let i = 0, i4 = dstOffset; i !== nPlanes; ++ i, i4 += 4 ) { + plane.copy( planes[ i ] ).applyMatrix4( viewMatrix, viewNormalMatrix ); + plane.normal.toArray( dstArray, i4 ); + dstArray[ i4 + 3 ] = plane.constant; + } + } + uniform.value = dstArray; + uniform.needsUpdate = true; + } + scope.numPlanes = nPlanes; + scope.numIntersection = 0; + return dstArray; + } + } + function WebGLCubeMaps( renderer ) { + let cubemaps = new WeakMap(); + function mapTextureMapping( texture, mapping ) { + if ( mapping === EquirectangularReflectionMapping ) { + texture.mapping = CubeReflectionMapping; + } else if ( mapping === EquirectangularRefractionMapping ) { + texture.mapping = CubeRefractionMapping; + } + return texture; + } + function get( texture ) { + if ( texture && texture.isTexture ) { + const mapping = texture.mapping; + if ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) { + if ( cubemaps.has( texture ) ) { + const cubemap = cubemaps.get( texture ).texture; + return mapTextureMapping( cubemap, texture.mapping ); + } else { + const image = texture.image; + if ( image && image.height > 0 ) { + const renderTarget = new WebGLCubeRenderTarget( image.height ); + renderTarget.fromEquirectangularTexture( renderer, texture ); + cubemaps.set( texture, renderTarget ); + texture.addEventListener( 'dispose', onTextureDispose ); + return mapTextureMapping( renderTarget.texture, texture.mapping ); + } else { + return null; + } + } + } + } + return texture; + } + function onTextureDispose( event ) { + const texture = event.target; + texture.removeEventListener( 'dispose', onTextureDispose ); + const cubemap = cubemaps.get( texture ); + if ( cubemap !== undefined ) { + cubemaps.delete( texture ); + cubemap.dispose(); + } + } + function dispose() { + cubemaps = new WeakMap(); + } + return { + get: get, + dispose: dispose + }; + } + const LOD_MIN = 4; + const EXTRA_LOD_SIGMA = [ 0.125, 0.215, 0.35, 0.446, 0.526, 0.582 ]; + const MAX_SAMPLES = 20; + const _flatCamera = new OrthographicCamera(); + const _clearColor = new Color(); + let _oldTarget = null; + let _oldActiveCubeFace = 0; + let _oldActiveMipmapLevel = 0; + let _oldXrEnabled = false; + const PHI = ( 1 + Math.sqrt( 5 ) ) / 2; + const INV_PHI = 1 / PHI; + const _axisDirections = [ + new Vector3( - PHI, INV_PHI, 0 ), + new Vector3( PHI, INV_PHI, 0 ), + new Vector3( - INV_PHI, 0, PHI ), + new Vector3( INV_PHI, 0, PHI ), + new Vector3( 0, PHI, - INV_PHI ), + new Vector3( 0, PHI, INV_PHI ), + new Vector3( -1, 1, -1 ), + new Vector3( 1, 1, -1 ), + new Vector3( -1, 1, 1 ), + new Vector3( 1, 1, 1 ) ]; + const _origin = new Vector3(); + class PMREMGenerator { + constructor( renderer ) { + this._renderer = renderer; + this._pingPongRenderTarget = null; + this._lodMax = 0; + this._cubeSize = 0; + this._lodPlanes = []; + this._sizeLods = []; + this._sigmas = []; + this._blurMaterial = null; + this._cubemapMaterial = null; + this._equirectMaterial = null; + this._compileMaterial( this._blurMaterial ); + } + fromScene( scene, sigma = 0, near = 0.1, far = 100, options = {} ) { + const { + size = 256, + position = _origin, + } = options; + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + _oldXrEnabled = this._renderer.xr.enabled; + this._renderer.xr.enabled = false; + this._setSize( size ); + const cubeUVRenderTarget = this._allocateTargets(); + cubeUVRenderTarget.depthBuffer = true; + this._sceneToCubeUV( scene, near, far, cubeUVRenderTarget, position ); + if ( sigma > 0 ) { + this._blur( cubeUVRenderTarget, 0, 0, sigma ); + } + this._applyPMREM( cubeUVRenderTarget ); + this._cleanup( cubeUVRenderTarget ); + return cubeUVRenderTarget; + } + fromEquirectangular( equirectangular, renderTarget = null ) { + return this._fromTexture( equirectangular, renderTarget ); + } + fromCubemap( cubemap, renderTarget = null ) { + return this._fromTexture( cubemap, renderTarget ); + } + compileCubemapShader() { + if ( this._cubemapMaterial === null ) { + this._cubemapMaterial = _getCubemapMaterial(); + this._compileMaterial( this._cubemapMaterial ); + } + } + compileEquirectangularShader() { + if ( this._equirectMaterial === null ) { + this._equirectMaterial = _getEquirectMaterial(); + this._compileMaterial( this._equirectMaterial ); + } + } + dispose() { + this._dispose(); + if ( this._cubemapMaterial !== null ) this._cubemapMaterial.dispose(); + if ( this._equirectMaterial !== null ) this._equirectMaterial.dispose(); + } + _setSize( cubeSize ) { + this._lodMax = Math.floor( Math.log2( cubeSize ) ); + this._cubeSize = Math.pow( 2, this._lodMax ); + } + _dispose() { + if ( this._blurMaterial !== null ) this._blurMaterial.dispose(); + if ( this._pingPongRenderTarget !== null ) this._pingPongRenderTarget.dispose(); + for ( let i = 0; i < this._lodPlanes.length; i ++ ) { + this._lodPlanes[ i ].dispose(); + } + } + _cleanup( outputTarget ) { + this._renderer.setRenderTarget( _oldTarget, _oldActiveCubeFace, _oldActiveMipmapLevel ); + this._renderer.xr.enabled = _oldXrEnabled; + outputTarget.scissorTest = false; + _setViewport( outputTarget, 0, 0, outputTarget.width, outputTarget.height ); + } + _fromTexture( texture, renderTarget ) { + if ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ) { + this._setSize( texture.image.length === 0 ? 16 : ( texture.image[ 0 ].width || texture.image[ 0 ].image.width ) ); + } else { + this._setSize( texture.image.width / 4 ); + } + _oldTarget = this._renderer.getRenderTarget(); + _oldActiveCubeFace = this._renderer.getActiveCubeFace(); + _oldActiveMipmapLevel = this._renderer.getActiveMipmapLevel(); + _oldXrEnabled = this._renderer.xr.enabled; + this._renderer.xr.enabled = false; + const cubeUVRenderTarget = renderTarget || this._allocateTargets(); + this._textureToCubeUV( texture, cubeUVRenderTarget ); + this._applyPMREM( cubeUVRenderTarget ); + this._cleanup( cubeUVRenderTarget ); + return cubeUVRenderTarget; + } + _allocateTargets() { + const width = 3 * Math.max( this._cubeSize, 16 * 7 ); + const height = 4 * this._cubeSize; + const params = { + magFilter: LinearFilter, + minFilter: LinearFilter, + generateMipmaps: false, + type: HalfFloatType, + format: RGBAFormat, + colorSpace: LinearSRGBColorSpace, + depthBuffer: false + }; + const cubeUVRenderTarget = _createRenderTarget( width, height, params ); + if ( this._pingPongRenderTarget === null || this._pingPongRenderTarget.width !== width || this._pingPongRenderTarget.height !== height ) { + if ( this._pingPongRenderTarget !== null ) { + this._dispose(); + } + this._pingPongRenderTarget = _createRenderTarget( width, height, params ); + const { _lodMax } = this; + ( { sizeLods: this._sizeLods, lodPlanes: this._lodPlanes, sigmas: this._sigmas } = _createPlanes( _lodMax ) ); + this._blurMaterial = _getBlurShader( _lodMax, width, height ); + } + return cubeUVRenderTarget; + } + _compileMaterial( material ) { + const tmpMesh = new Mesh( this._lodPlanes[ 0 ], material ); + this._renderer.compile( tmpMesh, _flatCamera ); + } + _sceneToCubeUV( scene, near, far, cubeUVRenderTarget, position ) { + const fov = 90; + const aspect = 1; + const cubeCamera = new PerspectiveCamera( fov, aspect, near, far ); + const upSign = [ 1, -1, 1, 1, 1, 1 ]; + const forwardSign = [ 1, 1, 1, -1, -1, -1 ]; + const renderer = this._renderer; + const originalAutoClear = renderer.autoClear; + const toneMapping = renderer.toneMapping; + renderer.getClearColor( _clearColor ); + renderer.toneMapping = NoToneMapping; + renderer.autoClear = false; + const backgroundMaterial = new MeshBasicMaterial( { + name: 'PMREM.Background', + side: BackSide, + depthWrite: false, + depthTest: false, + } ); + const backgroundBox = new Mesh( new BoxGeometry(), backgroundMaterial ); + let useSolidColor = false; + const background = scene.background; + if ( background ) { + if ( background.isColor ) { + backgroundMaterial.color.copy( background ); + scene.background = null; + useSolidColor = true; + } + } else { + backgroundMaterial.color.copy( _clearColor ); + useSolidColor = true; + } + for ( let i = 0; i < 6; i ++ ) { + const col = i % 3; + if ( col === 0 ) { + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.position.set( position.x, position.y, position.z ); + cubeCamera.lookAt( position.x + forwardSign[ i ], position.y, position.z ); + } else if ( col === 1 ) { + cubeCamera.up.set( 0, 0, upSign[ i ] ); + cubeCamera.position.set( position.x, position.y, position.z ); + cubeCamera.lookAt( position.x, position.y + forwardSign[ i ], position.z ); + } else { + cubeCamera.up.set( 0, upSign[ i ], 0 ); + cubeCamera.position.set( position.x, position.y, position.z ); + cubeCamera.lookAt( position.x, position.y, position.z + forwardSign[ i ] ); + } + const size = this._cubeSize; + _setViewport( cubeUVRenderTarget, col * size, i > 2 ? size : 0, size, size ); + renderer.setRenderTarget( cubeUVRenderTarget ); + if ( useSolidColor ) { + renderer.render( backgroundBox, cubeCamera ); + } + renderer.render( scene, cubeCamera ); + } + backgroundBox.geometry.dispose(); + backgroundBox.material.dispose(); + renderer.toneMapping = toneMapping; + renderer.autoClear = originalAutoClear; + scene.background = background; + } + _textureToCubeUV( texture, cubeUVRenderTarget ) { + const renderer = this._renderer; + const isCubeTexture = ( texture.mapping === CubeReflectionMapping || texture.mapping === CubeRefractionMapping ); + if ( isCubeTexture ) { + if ( this._cubemapMaterial === null ) { + this._cubemapMaterial = _getCubemapMaterial(); + } + this._cubemapMaterial.uniforms.flipEnvMap.value = ( texture.isRenderTargetTexture === false ) ? -1 : 1; + } else { + if ( this._equirectMaterial === null ) { + this._equirectMaterial = _getEquirectMaterial(); + } + } + const material = isCubeTexture ? this._cubemapMaterial : this._equirectMaterial; + const mesh = new Mesh( this._lodPlanes[ 0 ], material ); + const uniforms = material.uniforms; + uniforms[ 'envMap' ].value = texture; + const size = this._cubeSize; + _setViewport( cubeUVRenderTarget, 0, 0, 3 * size, 2 * size ); + renderer.setRenderTarget( cubeUVRenderTarget ); + renderer.render( mesh, _flatCamera ); + } + _applyPMREM( cubeUVRenderTarget ) { + const renderer = this._renderer; + const autoClear = renderer.autoClear; + renderer.autoClear = false; + const n = this._lodPlanes.length; + for ( let i = 1; i < n; i ++ ) { + const sigma = Math.sqrt( this._sigmas[ i ] * this._sigmas[ i ] - this._sigmas[ i - 1 ] * this._sigmas[ i - 1 ] ); + const poleAxis = _axisDirections[ ( n - i - 1 ) % _axisDirections.length ]; + this._blur( cubeUVRenderTarget, i - 1, i, sigma, poleAxis ); + } + renderer.autoClear = autoClear; + } + _blur( cubeUVRenderTarget, lodIn, lodOut, sigma, poleAxis ) { + const pingPongRenderTarget = this._pingPongRenderTarget; + this._halfBlur( + cubeUVRenderTarget, + pingPongRenderTarget, + lodIn, + lodOut, + sigma, + 'latitudinal', + poleAxis ); + this._halfBlur( + pingPongRenderTarget, + cubeUVRenderTarget, + lodOut, + lodOut, + sigma, + 'longitudinal', + poleAxis ); + } + _halfBlur( targetIn, targetOut, lodIn, lodOut, sigmaRadians, direction, poleAxis ) { + const renderer = this._renderer; + const blurMaterial = this._blurMaterial; + if ( direction !== 'latitudinal' && direction !== 'longitudinal' ) { + console.error( + 'blur direction must be either latitudinal or longitudinal!' ); + } + const STANDARD_DEVIATIONS = 3; + const blurMesh = new Mesh( this._lodPlanes[ lodOut ], blurMaterial ); + const blurUniforms = blurMaterial.uniforms; + const pixels = this._sizeLods[ lodIn ] - 1; + const radiansPerPixel = isFinite( sigmaRadians ) ? Math.PI / ( 2 * pixels ) : 2 * Math.PI / ( 2 * MAX_SAMPLES - 1 ); + const sigmaPixels = sigmaRadians / radiansPerPixel; + const samples = isFinite( sigmaRadians ) ? 1 + Math.floor( STANDARD_DEVIATIONS * sigmaPixels ) : MAX_SAMPLES; + if ( samples > MAX_SAMPLES ) { + console.warn( `sigmaRadians, ${ + sigmaRadians}, is too large and will clip, as it requested ${ + samples} samples when the maximum is set to ${MAX_SAMPLES}` ); + } + const weights = []; + let sum = 0; + for ( let i = 0; i < MAX_SAMPLES; ++ i ) { + const x = i / sigmaPixels; + const weight = Math.exp( - x * x / 2 ); + weights.push( weight ); + if ( i === 0 ) { + sum += weight; + } else if ( i < samples ) { + sum += 2 * weight; + } + } + for ( let i = 0; i < weights.length; i ++ ) { + weights[ i ] = weights[ i ] / sum; + } + blurUniforms[ 'envMap' ].value = targetIn.texture; + blurUniforms[ 'samples' ].value = samples; + blurUniforms[ 'weights' ].value = weights; + blurUniforms[ 'latitudinal' ].value = direction === 'latitudinal'; + if ( poleAxis ) { + blurUniforms[ 'poleAxis' ].value = poleAxis; + } + const { _lodMax } = this; + blurUniforms[ 'dTheta' ].value = radiansPerPixel; + blurUniforms[ 'mipInt' ].value = _lodMax - lodIn; + const outputSize = this._sizeLods[ lodOut ]; + const x = 3 * outputSize * ( lodOut > _lodMax - LOD_MIN ? lodOut - _lodMax + LOD_MIN : 0 ); + const y = 4 * ( this._cubeSize - outputSize ); + _setViewport( targetOut, x, y, 3 * outputSize, 2 * outputSize ); + renderer.setRenderTarget( targetOut ); + renderer.render( blurMesh, _flatCamera ); + } + } + function _createPlanes( lodMax ) { + const lodPlanes = []; + const sizeLods = []; + const sigmas = []; + let lod = lodMax; + const totalLods = lodMax - LOD_MIN + 1 + EXTRA_LOD_SIGMA.length; + for ( let i = 0; i < totalLods; i ++ ) { + const sizeLod = Math.pow( 2, lod ); + sizeLods.push( sizeLod ); + let sigma = 1.0 / sizeLod; + if ( i > lodMax - LOD_MIN ) { + sigma = EXTRA_LOD_SIGMA[ i - lodMax + LOD_MIN - 1 ]; + } else if ( i === 0 ) { + sigma = 0; + } + sigmas.push( sigma ); + const texelSize = 1.0 / ( sizeLod - 2 ); + const min = - texelSize; + const max = 1 + texelSize; + const uv1 = [ min, min, max, min, max, max, min, min, max, max, min, max ]; + const cubeFaces = 6; + const vertices = 6; + const positionSize = 3; + const uvSize = 2; + const faceIndexSize = 1; + const position = new Float32Array( positionSize * vertices * cubeFaces ); + const uv = new Float32Array( uvSize * vertices * cubeFaces ); + const faceIndex = new Float32Array( faceIndexSize * vertices * cubeFaces ); + for ( let face = 0; face < cubeFaces; face ++ ) { + const x = ( face % 3 ) * 2 / 3 - 1; + const y = face > 2 ? 0 : -1; + const coordinates = [ + x, y, 0, + x + 2 / 3, y, 0, + x + 2 / 3, y + 1, 0, + x, y, 0, + x + 2 / 3, y + 1, 0, + x, y + 1, 0 + ]; + position.set( coordinates, positionSize * vertices * face ); + uv.set( uv1, uvSize * vertices * face ); + const fill = [ face, face, face, face, face, face ]; + faceIndex.set( fill, faceIndexSize * vertices * face ); + } + const planes = new BufferGeometry(); + planes.setAttribute( 'position', new BufferAttribute( position, positionSize ) ); + planes.setAttribute( 'uv', new BufferAttribute( uv, uvSize ) ); + planes.setAttribute( 'faceIndex', new BufferAttribute( faceIndex, faceIndexSize ) ); + lodPlanes.push( planes ); + if ( lod > LOD_MIN ) { + lod --; + } + } + return { lodPlanes, sizeLods, sigmas }; + } + function _createRenderTarget( width, height, params ) { + const cubeUVRenderTarget = new WebGLRenderTarget( width, height, params ); + cubeUVRenderTarget.texture.mapping = CubeUVReflectionMapping; + cubeUVRenderTarget.texture.name = 'PMREM.cubeUv'; + cubeUVRenderTarget.scissorTest = true; + return cubeUVRenderTarget; + } + function _setViewport( target, x, y, width, height ) { + target.viewport.set( x, y, width, height ); + target.scissor.set( x, y, width, height ); + } + function _getBlurShader( lodMax, width, height ) { + const weights = new Float32Array( MAX_SAMPLES ); + const poleAxis = new Vector3( 0, 1, 0 ); + const shaderMaterial = new ShaderMaterial( { + name: 'SphericalGaussianBlur', + defines: { + 'n': MAX_SAMPLES, + 'CUBEUV_TEXEL_WIDTH': 1.0 / width, + 'CUBEUV_TEXEL_HEIGHT': 1.0 / height, + 'CUBEUV_MAX_MIP': `${lodMax}.0`, + }, + uniforms: { + 'envMap': { value: null }, + 'samples': { value: 1 }, + 'weights': { value: weights }, + 'latitudinal': { value: false }, + 'dTheta': { value: 0 }, + 'mipInt': { value: 0 }, + 'poleAxis': { value: poleAxis } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + uniform int samples; + uniform float weights[ n ]; + uniform bool latitudinal; + uniform float dTheta; + uniform float mipInt; + uniform vec3 poleAxis; + + #define ENVMAP_TYPE_CUBE_UV + #include + + vec3 getSample( float theta, vec3 axis ) { + + float cosTheta = cos( theta ); + // Rodrigues' axis-angle rotation + vec3 sampleDirection = vOutputDirection * cosTheta + + cross( axis, vOutputDirection ) * sin( theta ) + + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta ); + + return bilinearCubeUV( envMap, sampleDirection, mipInt ); + + } + + void main() { + + vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection ); + + if ( all( equal( axis, vec3( 0.0 ) ) ) ) { + + axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x ); + + } + + axis = normalize( axis ); + + gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); + gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis ); + + for ( int i = 1; i < n; i++ ) { + + if ( i >= samples ) { + + break; + + } + + float theta = dTheta * float( i ); + gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis ); + gl_FragColor.rgb += weights[ i ] * getSample( theta, axis ); + + } + + } + `, + blending: NoBlending, + depthTest: false, + depthWrite: false + } ); + return shaderMaterial; + } + function _getEquirectMaterial() { + return new ShaderMaterial( { + name: 'EquirectangularToCubeUV', + uniforms: { + 'envMap': { value: null } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ` + + precision mediump float; + precision mediump int; + + varying vec3 vOutputDirection; + + uniform sampler2D envMap; + + #include + + void main() { + + vec3 outputDirection = normalize( vOutputDirection ); + vec2 uv = equirectUv( outputDirection ); + + gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); + + } + `, + blending: NoBlending, + depthTest: false, + depthWrite: false + } ); + } + function _getCubemapMaterial() { + return new ShaderMaterial( { + name: 'CubemapToCubeUV', + uniforms: { + 'envMap': { value: null }, + 'flipEnvMap': { value: -1 } + }, + vertexShader: _getCommonVertexShader(), + fragmentShader: ` + + precision mediump float; + precision mediump int; + + uniform float flipEnvMap; + + varying vec3 vOutputDirection; + + uniform samplerCube envMap; + + void main() { + + gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); + + } + `, + blending: NoBlending, + depthTest: false, + depthWrite: false + } ); + } + function _getCommonVertexShader() { + return ` + + precision mediump float; + precision mediump int; + + attribute float faceIndex; + + varying vec3 vOutputDirection; + + // RH coordinate system; PMREM face-indexing convention + vec3 getDirection( vec2 uv, float face ) { + + uv = 2.0 * uv - 1.0; + + vec3 direction = vec3( uv, 1.0 ); + + if ( face == 0.0 ) { + + direction = direction.zyx; // ( 1, v, u ) pos x + + } else if ( face == 1.0 ) { + + direction = direction.xzy; + direction.xz *= -1.0; // ( -u, 1, -v ) pos y + + } else if ( face == 2.0 ) { + + direction.x *= -1.0; // ( -u, v, 1 ) pos z + + } else if ( face == 3.0 ) { + + direction = direction.zyx; + direction.xz *= -1.0; // ( -1, v, -u ) neg x + + } else if ( face == 4.0 ) { + + direction = direction.xzy; + direction.xy *= -1.0; // ( -u, -1, v ) neg y + + } else if ( face == 5.0 ) { + + direction.z *= -1.0; // ( u, v, -1 ) neg z + + } + + return direction; + + } + + void main() { + + vOutputDirection = getDirection( uv, faceIndex ); + gl_Position = vec4( position, 1.0 ); + + } + `; + } + function WebGLCubeUVMaps( renderer ) { + let cubeUVmaps = new WeakMap(); + let pmremGenerator = null; + function get( texture ) { + if ( texture && texture.isTexture ) { + const mapping = texture.mapping; + const isEquirectMap = ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ); + const isCubeMap = ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping ); + if ( isEquirectMap || isCubeMap ) { + let renderTarget = cubeUVmaps.get( texture ); + const currentPMREMVersion = renderTarget !== undefined ? renderTarget.texture.pmremVersion : 0; + if ( texture.isRenderTargetTexture && texture.pmremVersion !== currentPMREMVersion ) { + if ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer ); + renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture, renderTarget ) : pmremGenerator.fromCubemap( texture, renderTarget ); + renderTarget.texture.pmremVersion = texture.pmremVersion; + cubeUVmaps.set( texture, renderTarget ); + return renderTarget.texture; + } else { + if ( renderTarget !== undefined ) { + return renderTarget.texture; + } else { + const image = texture.image; + if ( ( isEquirectMap && image && image.height > 0 ) || ( isCubeMap && image && isCubeTextureComplete( image ) ) ) { + if ( pmremGenerator === null ) pmremGenerator = new PMREMGenerator( renderer ); + renderTarget = isEquirectMap ? pmremGenerator.fromEquirectangular( texture ) : pmremGenerator.fromCubemap( texture ); + renderTarget.texture.pmremVersion = texture.pmremVersion; + cubeUVmaps.set( texture, renderTarget ); + texture.addEventListener( 'dispose', onTextureDispose ); + return renderTarget.texture; + } else { + return null; + } + } + } + } + } + return texture; + } + function isCubeTextureComplete( image ) { + let count = 0; + const length = 6; + for ( let i = 0; i < length; i ++ ) { + if ( image[ i ] !== undefined ) count ++; + } + return count === length; + } + function onTextureDispose( event ) { + const texture = event.target; + texture.removeEventListener( 'dispose', onTextureDispose ); + const cubemapUV = cubeUVmaps.get( texture ); + if ( cubemapUV !== undefined ) { + cubeUVmaps.delete( texture ); + cubemapUV.dispose(); + } + } + function dispose() { + cubeUVmaps = new WeakMap(); + if ( pmremGenerator !== null ) { + pmremGenerator.dispose(); + pmremGenerator = null; + } + } + return { + get: get, + dispose: dispose + }; + } + function WebGLExtensions( gl ) { + const extensions = {}; + function getExtension( name ) { + if ( extensions[ name ] !== undefined ) { + return extensions[ name ]; + } + let extension; + switch ( name ) { + case 'WEBGL_depth_texture': + extension = gl.getExtension( 'WEBGL_depth_texture' ) || gl.getExtension( 'MOZ_WEBGL_depth_texture' ) || gl.getExtension( 'WEBKIT_WEBGL_depth_texture' ); + break; + case 'EXT_texture_filter_anisotropic': + extension = gl.getExtension( 'EXT_texture_filter_anisotropic' ) || gl.getExtension( 'MOZ_EXT_texture_filter_anisotropic' ) || gl.getExtension( 'WEBKIT_EXT_texture_filter_anisotropic' ); + break; + case 'WEBGL_compressed_texture_s3tc': + extension = gl.getExtension( 'WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'MOZ_WEBGL_compressed_texture_s3tc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_s3tc' ); + break; + case 'WEBGL_compressed_texture_pvrtc': + extension = gl.getExtension( 'WEBGL_compressed_texture_pvrtc' ) || gl.getExtension( 'WEBKIT_WEBGL_compressed_texture_pvrtc' ); + break; + default: + extension = gl.getExtension( name ); + } + extensions[ name ] = extension; + return extension; + } + return { + has: function ( name ) { + return getExtension( name ) !== null; + }, + init: function () { + getExtension( 'EXT_color_buffer_float' ); + getExtension( 'WEBGL_clip_cull_distance' ); + getExtension( 'OES_texture_float_linear' ); + getExtension( 'EXT_color_buffer_half_float' ); + getExtension( 'WEBGL_multisampled_render_to_texture' ); + getExtension( 'WEBGL_render_shared_exponent' ); + }, + get: function ( name ) { + const extension = getExtension( name ); + if ( extension === null ) { + warnOnce( 'THREE.WebGLRenderer: ' + name + ' extension not supported.' ); + } + return extension; + } + }; + } + function WebGLGeometries( gl, attributes, info, bindingStates ) { + const geometries = {}; + const wireframeAttributes = new WeakMap(); + function onGeometryDispose( event ) { + const geometry = event.target; + if ( geometry.index !== null ) { + attributes.remove( geometry.index ); + } + for ( const name in geometry.attributes ) { + attributes.remove( geometry.attributes[ name ] ); + } + geometry.removeEventListener( 'dispose', onGeometryDispose ); + delete geometries[ geometry.id ]; + const attribute = wireframeAttributes.get( geometry ); + if ( attribute ) { + attributes.remove( attribute ); + wireframeAttributes.delete( geometry ); + } + bindingStates.releaseStatesOfGeometry( geometry ); + if ( geometry.isInstancedBufferGeometry === true ) { + delete geometry._maxInstanceCount; + } + info.memory.geometries --; + } + function get( object, geometry ) { + if ( geometries[ geometry.id ] === true ) return geometry; + geometry.addEventListener( 'dispose', onGeometryDispose ); + geometries[ geometry.id ] = true; + info.memory.geometries ++; + return geometry; + } + function update( geometry ) { + const geometryAttributes = geometry.attributes; + for ( const name in geometryAttributes ) { + attributes.update( geometryAttributes[ name ], gl.ARRAY_BUFFER ); + } + } + function updateWireframeAttribute( geometry ) { + const indices = []; + const geometryIndex = geometry.index; + const geometryPosition = geometry.attributes.position; + let version = 0; + if ( geometryIndex !== null ) { + const array = geometryIndex.array; + version = geometryIndex.version; + for ( let i = 0, l = array.length; i < l; i += 3 ) { + const a = array[ i + 0 ]; + const b = array[ i + 1 ]; + const c = array[ i + 2 ]; + indices.push( a, b, b, c, c, a ); + } + } else if ( geometryPosition !== undefined ) { + const array = geometryPosition.array; + version = geometryPosition.version; + for ( let i = 0, l = ( array.length / 3 ) - 1; i < l; i += 3 ) { + const a = i + 0; + const b = i + 1; + const c = i + 2; + indices.push( a, b, b, c, c, a ); + } + } else { + return; + } + const attribute = new ( arrayNeedsUint32( indices ) ? Uint32BufferAttribute : Uint16BufferAttribute )( indices, 1 ); + attribute.version = version; + const previousAttribute = wireframeAttributes.get( geometry ); + if ( previousAttribute ) attributes.remove( previousAttribute ); + wireframeAttributes.set( geometry, attribute ); + } + function getWireframeAttribute( geometry ) { + const currentAttribute = wireframeAttributes.get( geometry ); + if ( currentAttribute ) { + const geometryIndex = geometry.index; + if ( geometryIndex !== null ) { + if ( currentAttribute.version < geometryIndex.version ) { + updateWireframeAttribute( geometry ); + } + } + } else { + updateWireframeAttribute( geometry ); + } + return wireframeAttributes.get( geometry ); + } + return { + get: get, + update: update, + getWireframeAttribute: getWireframeAttribute + }; + } + function WebGLIndexedBufferRenderer( gl, extensions, info ) { + let mode; + function setMode( value ) { + mode = value; + } + let type, bytesPerElement; + function setIndex( value ) { + type = value.type; + bytesPerElement = value.bytesPerElement; + } + function render( start, count ) { + gl.drawElements( mode, count, type, start * bytesPerElement ); + info.update( count, mode, 1 ); + } + function renderInstances( start, count, primcount ) { + if ( primcount === 0 ) return; + gl.drawElementsInstanced( mode, count, type, start * bytesPerElement, primcount ); + info.update( count, mode, primcount ); + } + function renderMultiDraw( starts, counts, drawCount ) { + if ( drawCount === 0 ) return; + const extension = extensions.get( 'WEBGL_multi_draw' ); + extension.multiDrawElementsWEBGL( mode, counts, 0, type, starts, 0, drawCount ); + let elementCount = 0; + for ( let i = 0; i < drawCount; i ++ ) { + elementCount += counts[ i ]; + } + info.update( elementCount, mode, 1 ); + } + function renderMultiDrawInstances( starts, counts, drawCount, primcount ) { + if ( drawCount === 0 ) return; + const extension = extensions.get( 'WEBGL_multi_draw' ); + if ( extension === null ) { + for ( let i = 0; i < starts.length; i ++ ) { + renderInstances( starts[ i ] / bytesPerElement, counts[ i ], primcount[ i ] ); + } + } else { + extension.multiDrawElementsInstancedWEBGL( mode, counts, 0, type, starts, 0, primcount, 0, drawCount ); + let elementCount = 0; + for ( let i = 0; i < drawCount; i ++ ) { + elementCount += counts[ i ] * primcount[ i ]; + } + info.update( elementCount, mode, 1 ); + } + } + this.setMode = setMode; + this.setIndex = setIndex; + this.render = render; + this.renderInstances = renderInstances; + this.renderMultiDraw = renderMultiDraw; + this.renderMultiDrawInstances = renderMultiDrawInstances; + } + function WebGLInfo( gl ) { + const memory = { + geometries: 0, + textures: 0 + }; + const render = { + frame: 0, + calls: 0, + triangles: 0, + points: 0, + lines: 0 + }; + function update( count, mode, instanceCount ) { + render.calls ++; + switch ( mode ) { + case gl.TRIANGLES: + render.triangles += instanceCount * ( count / 3 ); + break; + case gl.LINES: + render.lines += instanceCount * ( count / 2 ); + break; + case gl.LINE_STRIP: + render.lines += instanceCount * ( count - 1 ); + break; + case gl.LINE_LOOP: + render.lines += instanceCount * count; + break; + case gl.POINTS: + render.points += instanceCount * count; + break; + default: + console.error( 'THREE.WebGLInfo: Unknown draw mode:', mode ); + break; + } + } + function reset() { + render.calls = 0; + render.triangles = 0; + render.points = 0; + render.lines = 0; + } + return { + memory: memory, + render: render, + programs: null, + autoReset: true, + reset: reset, + update: update + }; + } + function WebGLMorphtargets( gl, capabilities, textures ) { + const morphTextures = new WeakMap(); + const morph = new Vector4(); + function update( object, geometry, program ) { + const objectInfluences = object.morphTargetInfluences; + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + let entry = morphTextures.get( geometry ); + if ( entry === undefined || entry.count !== morphTargetsCount ) { + if ( entry !== undefined ) entry.texture.dispose(); + const hasMorphPosition = geometry.morphAttributes.position !== undefined; + const hasMorphNormals = geometry.morphAttributes.normal !== undefined; + const hasMorphColors = geometry.morphAttributes.color !== undefined; + const morphTargets = geometry.morphAttributes.position || []; + const morphNormals = geometry.morphAttributes.normal || []; + const morphColors = geometry.morphAttributes.color || []; + let vertexDataCount = 0; + if ( hasMorphPosition === true ) vertexDataCount = 1; + if ( hasMorphNormals === true ) vertexDataCount = 2; + if ( hasMorphColors === true ) vertexDataCount = 3; + let width = geometry.attributes.position.count * vertexDataCount; + let height = 1; + if ( width > capabilities.maxTextureSize ) { + height = Math.ceil( width / capabilities.maxTextureSize ); + width = capabilities.maxTextureSize; + } + const buffer = new Float32Array( width * height * 4 * morphTargetsCount ); + const texture = new DataArrayTexture( buffer, width, height, morphTargetsCount ); + texture.type = FloatType; + texture.needsUpdate = true; + const vertexDataStride = vertexDataCount * 4; + for ( let i = 0; i < morphTargetsCount; i ++ ) { + const morphTarget = morphTargets[ i ]; + const morphNormal = morphNormals[ i ]; + const morphColor = morphColors[ i ]; + const offset = width * height * 4 * i; + for ( let j = 0; j < morphTarget.count; j ++ ) { + const stride = j * vertexDataStride; + if ( hasMorphPosition === true ) { + morph.fromBufferAttribute( morphTarget, j ); + buffer[ offset + stride + 0 ] = morph.x; + buffer[ offset + stride + 1 ] = morph.y; + buffer[ offset + stride + 2 ] = morph.z; + buffer[ offset + stride + 3 ] = 0; + } + if ( hasMorphNormals === true ) { + morph.fromBufferAttribute( morphNormal, j ); + buffer[ offset + stride + 4 ] = morph.x; + buffer[ offset + stride + 5 ] = morph.y; + buffer[ offset + stride + 6 ] = morph.z; + buffer[ offset + stride + 7 ] = 0; + } + if ( hasMorphColors === true ) { + morph.fromBufferAttribute( morphColor, j ); + buffer[ offset + stride + 8 ] = morph.x; + buffer[ offset + stride + 9 ] = morph.y; + buffer[ offset + stride + 10 ] = morph.z; + buffer[ offset + stride + 11 ] = ( morphColor.itemSize === 4 ) ? morph.w : 1; + } + } + } + entry = { + count: morphTargetsCount, + texture: texture, + size: new Vector2( width, height ) + }; + morphTextures.set( geometry, entry ); + function disposeTexture() { + texture.dispose(); + morphTextures.delete( geometry ); + geometry.removeEventListener( 'dispose', disposeTexture ); + } + geometry.addEventListener( 'dispose', disposeTexture ); + } + if ( object.isInstancedMesh === true && object.morphTexture !== null ) { + program.getUniforms().setValue( gl, 'morphTexture', object.morphTexture, textures ); + } else { + let morphInfluencesSum = 0; + for ( let i = 0; i < objectInfluences.length; i ++ ) { + morphInfluencesSum += objectInfluences[ i ]; + } + const morphBaseInfluence = geometry.morphTargetsRelative ? 1 : 1 - morphInfluencesSum; + program.getUniforms().setValue( gl, 'morphTargetBaseInfluence', morphBaseInfluence ); + program.getUniforms().setValue( gl, 'morphTargetInfluences', objectInfluences ); + } + program.getUniforms().setValue( gl, 'morphTargetsTexture', entry.texture, textures ); + program.getUniforms().setValue( gl, 'morphTargetsTextureSize', entry.size ); + } + return { + update: update + }; + } + function WebGLObjects( gl, geometries, attributes, info ) { + let updateMap = new WeakMap(); + function update( object ) { + const frame = info.render.frame; + const geometry = object.geometry; + const buffergeometry = geometries.get( object, geometry ); + if ( updateMap.get( buffergeometry ) !== frame ) { + geometries.update( buffergeometry ); + updateMap.set( buffergeometry, frame ); + } + if ( object.isInstancedMesh ) { + if ( object.hasEventListener( 'dispose', onInstancedMeshDispose ) === false ) { + object.addEventListener( 'dispose', onInstancedMeshDispose ); + } + if ( updateMap.get( object ) !== frame ) { + attributes.update( object.instanceMatrix, gl.ARRAY_BUFFER ); + if ( object.instanceColor !== null ) { + attributes.update( object.instanceColor, gl.ARRAY_BUFFER ); + } + updateMap.set( object, frame ); + } + } + if ( object.isSkinnedMesh ) { + const skeleton = object.skeleton; + if ( updateMap.get( skeleton ) !== frame ) { + skeleton.update(); + updateMap.set( skeleton, frame ); + } + } + return buffergeometry; + } + function dispose() { + updateMap = new WeakMap(); + } + function onInstancedMeshDispose( event ) { + const instancedMesh = event.target; + instancedMesh.removeEventListener( 'dispose', onInstancedMeshDispose ); + attributes.remove( instancedMesh.instanceMatrix ); + if ( instancedMesh.instanceColor !== null ) attributes.remove( instancedMesh.instanceColor ); + } + return { + update: update, + dispose: dispose + }; + } + const emptyTexture = new Texture(); + const emptyShadowTexture = new DepthTexture( 1, 1 ); + const emptyArrayTexture = new DataArrayTexture(); + const empty3dTexture = new Data3DTexture(); + const emptyCubeTexture = new CubeTexture(); + const arrayCacheF32 = []; + const arrayCacheI32 = []; + const mat4array = new Float32Array( 16 ); + const mat3array = new Float32Array( 9 ); + const mat2array = new Float32Array( 4 ); + function flatten( array, nBlocks, blockSize ) { + const firstElem = array[ 0 ]; + if ( firstElem <= 0 || firstElem > 0 ) return array; + const n = nBlocks * blockSize; + let r = arrayCacheF32[ n ]; + if ( r === undefined ) { + r = new Float32Array( n ); + arrayCacheF32[ n ] = r; + } + if ( nBlocks !== 0 ) { + firstElem.toArray( r, 0 ); + for ( let i = 1, offset = 0; i !== nBlocks; ++ i ) { + offset += blockSize; + array[ i ].toArray( r, offset ); + } + } + return r; + } + function arraysEqual( a, b ) { + if ( a.length !== b.length ) return false; + for ( let i = 0, l = a.length; i < l; i ++ ) { + if ( a[ i ] !== b[ i ] ) return false; + } + return true; + } + function copyArray( a, b ) { + for ( let i = 0, l = b.length; i < l; i ++ ) { + a[ i ] = b[ i ]; + } + } + function allocTexUnits( textures, n ) { + let r = arrayCacheI32[ n ]; + if ( r === undefined ) { + r = new Int32Array( n ); + arrayCacheI32[ n ] = r; + } + for ( let i = 0; i !== n; ++ i ) { + r[ i ] = textures.allocateTextureUnit(); + } + return r; + } + function setValueV1f( gl, v ) { + const cache = this.cache; + if ( cache[ 0 ] === v ) return; + gl.uniform1f( this.addr, v ); + cache[ 0 ] = v; + } + function setValueV2f( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) { + gl.uniform2f( this.addr, v.x, v.y ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform2fv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV3f( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) { + gl.uniform3f( this.addr, v.x, v.y, v.z ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + } + } else if ( v.r !== undefined ) { + if ( cache[ 0 ] !== v.r || cache[ 1 ] !== v.g || cache[ 2 ] !== v.b ) { + gl.uniform3f( this.addr, v.r, v.g, v.b ); + cache[ 0 ] = v.r; + cache[ 1 ] = v.g; + cache[ 2 ] = v.b; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform3fv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV4f( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { + gl.uniform4f( this.addr, v.x, v.y, v.z, v.w ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + cache[ 3 ] = v.w; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform4fv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueM2( gl, v ) { + const cache = this.cache; + const elements = v.elements; + if ( elements === undefined ) { + if ( arraysEqual( cache, v ) ) return; + gl.uniformMatrix2fv( this.addr, false, v ); + copyArray( cache, v ); + } else { + if ( arraysEqual( cache, elements ) ) return; + mat2array.set( elements ); + gl.uniformMatrix2fv( this.addr, false, mat2array ); + copyArray( cache, elements ); + } + } + function setValueM3( gl, v ) { + const cache = this.cache; + const elements = v.elements; + if ( elements === undefined ) { + if ( arraysEqual( cache, v ) ) return; + gl.uniformMatrix3fv( this.addr, false, v ); + copyArray( cache, v ); + } else { + if ( arraysEqual( cache, elements ) ) return; + mat3array.set( elements ); + gl.uniformMatrix3fv( this.addr, false, mat3array ); + copyArray( cache, elements ); + } + } + function setValueM4( gl, v ) { + const cache = this.cache; + const elements = v.elements; + if ( elements === undefined ) { + if ( arraysEqual( cache, v ) ) return; + gl.uniformMatrix4fv( this.addr, false, v ); + copyArray( cache, v ); + } else { + if ( arraysEqual( cache, elements ) ) return; + mat4array.set( elements ); + gl.uniformMatrix4fv( this.addr, false, mat4array ); + copyArray( cache, elements ); + } + } + function setValueV1i( gl, v ) { + const cache = this.cache; + if ( cache[ 0 ] === v ) return; + gl.uniform1i( this.addr, v ); + cache[ 0 ] = v; + } + function setValueV2i( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) { + gl.uniform2i( this.addr, v.x, v.y ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform2iv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV3i( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) { + gl.uniform3i( this.addr, v.x, v.y, v.z ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform3iv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV4i( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { + gl.uniform4i( this.addr, v.x, v.y, v.z, v.w ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + cache[ 3 ] = v.w; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform4iv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV1ui( gl, v ) { + const cache = this.cache; + if ( cache[ 0 ] === v ) return; + gl.uniform1ui( this.addr, v ); + cache[ 0 ] = v; + } + function setValueV2ui( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y ) { + gl.uniform2ui( this.addr, v.x, v.y ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform2uiv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV3ui( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z ) { + gl.uniform3ui( this.addr, v.x, v.y, v.z ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform3uiv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueV4ui( gl, v ) { + const cache = this.cache; + if ( v.x !== undefined ) { + if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { + gl.uniform4ui( this.addr, v.x, v.y, v.z, v.w ); + cache[ 0 ] = v.x; + cache[ 1 ] = v.y; + cache[ 2 ] = v.z; + cache[ 3 ] = v.w; + } + } else { + if ( arraysEqual( cache, v ) ) return; + gl.uniform4uiv( this.addr, v ); + copyArray( cache, v ); + } + } + function setValueT1( gl, v, textures ) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if ( cache[ 0 ] !== unit ) { + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + } + let emptyTexture2D; + if ( this.type === gl.SAMPLER_2D_SHADOW ) { + emptyShadowTexture.compareFunction = LessEqualCompare; + emptyTexture2D = emptyShadowTexture; + } else { + emptyTexture2D = emptyTexture; + } + textures.setTexture2D( v || emptyTexture2D, unit ); + } + function setValueT3D1( gl, v, textures ) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if ( cache[ 0 ] !== unit ) { + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + } + textures.setTexture3D( v || empty3dTexture, unit ); + } + function setValueT6( gl, v, textures ) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if ( cache[ 0 ] !== unit ) { + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + } + textures.setTextureCube( v || emptyCubeTexture, unit ); + } + function setValueT2DArray1( gl, v, textures ) { + const cache = this.cache; + const unit = textures.allocateTextureUnit(); + if ( cache[ 0 ] !== unit ) { + gl.uniform1i( this.addr, unit ); + cache[ 0 ] = unit; + } + textures.setTexture2DArray( v || emptyArrayTexture, unit ); + } + function getSingularSetter( type ) { + switch ( type ) { + case 0x1406: return setValueV1f; + case 0x8b50: return setValueV2f; + case 0x8b51: return setValueV3f; + case 0x8b52: return setValueV4f; + case 0x8b5a: return setValueM2; + case 0x8b5b: return setValueM3; + case 0x8b5c: return setValueM4; + case 0x1404: case 0x8b56: return setValueV1i; + case 0x8b53: case 0x8b57: return setValueV2i; + case 0x8b54: case 0x8b58: return setValueV3i; + case 0x8b55: case 0x8b59: return setValueV4i; + case 0x1405: return setValueV1ui; + case 0x8dc6: return setValueV2ui; + case 0x8dc7: return setValueV3ui; + case 0x8dc8: return setValueV4ui; + case 0x8b5e: + case 0x8d66: + case 0x8dca: + case 0x8dd2: + case 0x8b62: + return setValueT1; + case 0x8b5f: + case 0x8dcb: + case 0x8dd3: + return setValueT3D1; + case 0x8b60: + case 0x8dcc: + case 0x8dd4: + case 0x8dc5: + return setValueT6; + case 0x8dc1: + case 0x8dcf: + case 0x8dd7: + case 0x8dc4: + return setValueT2DArray1; + } + } + function setValueV1fArray( gl, v ) { + gl.uniform1fv( this.addr, v ); + } + function setValueV2fArray( gl, v ) { + const data = flatten( v, this.size, 2 ); + gl.uniform2fv( this.addr, data ); + } + function setValueV3fArray( gl, v ) { + const data = flatten( v, this.size, 3 ); + gl.uniform3fv( this.addr, data ); + } + function setValueV4fArray( gl, v ) { + const data = flatten( v, this.size, 4 ); + gl.uniform4fv( this.addr, data ); + } + function setValueM2Array( gl, v ) { + const data = flatten( v, this.size, 4 ); + gl.uniformMatrix2fv( this.addr, false, data ); + } + function setValueM3Array( gl, v ) { + const data = flatten( v, this.size, 9 ); + gl.uniformMatrix3fv( this.addr, false, data ); + } + function setValueM4Array( gl, v ) { + const data = flatten( v, this.size, 16 ); + gl.uniformMatrix4fv( this.addr, false, data ); + } + function setValueV1iArray( gl, v ) { + gl.uniform1iv( this.addr, v ); + } + function setValueV2iArray( gl, v ) { + gl.uniform2iv( this.addr, v ); + } + function setValueV3iArray( gl, v ) { + gl.uniform3iv( this.addr, v ); + } + function setValueV4iArray( gl, v ) { + gl.uniform4iv( this.addr, v ); + } + function setValueV1uiArray( gl, v ) { + gl.uniform1uiv( this.addr, v ); + } + function setValueV2uiArray( gl, v ) { + gl.uniform2uiv( this.addr, v ); + } + function setValueV3uiArray( gl, v ) { + gl.uniform3uiv( this.addr, v ); + } + function setValueV4uiArray( gl, v ) { + gl.uniform4uiv( this.addr, v ); + } + function setValueT1Array( gl, v, textures ) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits( textures, n ); + if ( ! arraysEqual( cache, units ) ) { + gl.uniform1iv( this.addr, units ); + copyArray( cache, units ); + } + for ( let i = 0; i !== n; ++ i ) { + textures.setTexture2D( v[ i ] || emptyTexture, units[ i ] ); + } + } + function setValueT3DArray( gl, v, textures ) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits( textures, n ); + if ( ! arraysEqual( cache, units ) ) { + gl.uniform1iv( this.addr, units ); + copyArray( cache, units ); + } + for ( let i = 0; i !== n; ++ i ) { + textures.setTexture3D( v[ i ] || empty3dTexture, units[ i ] ); + } + } + function setValueT6Array( gl, v, textures ) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits( textures, n ); + if ( ! arraysEqual( cache, units ) ) { + gl.uniform1iv( this.addr, units ); + copyArray( cache, units ); + } + for ( let i = 0; i !== n; ++ i ) { + textures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] ); + } + } + function setValueT2DArrayArray( gl, v, textures ) { + const cache = this.cache; + const n = v.length; + const units = allocTexUnits( textures, n ); + if ( ! arraysEqual( cache, units ) ) { + gl.uniform1iv( this.addr, units ); + copyArray( cache, units ); + } + for ( let i = 0; i !== n; ++ i ) { + textures.setTexture2DArray( v[ i ] || emptyArrayTexture, units[ i ] ); + } + } + function getPureArraySetter( type ) { + switch ( type ) { + case 0x1406: return setValueV1fArray; + case 0x8b50: return setValueV2fArray; + case 0x8b51: return setValueV3fArray; + case 0x8b52: return setValueV4fArray; + case 0x8b5a: return setValueM2Array; + case 0x8b5b: return setValueM3Array; + case 0x8b5c: return setValueM4Array; + case 0x1404: case 0x8b56: return setValueV1iArray; + case 0x8b53: case 0x8b57: return setValueV2iArray; + case 0x8b54: case 0x8b58: return setValueV3iArray; + case 0x8b55: case 0x8b59: return setValueV4iArray; + case 0x1405: return setValueV1uiArray; + case 0x8dc6: return setValueV2uiArray; + case 0x8dc7: return setValueV3uiArray; + case 0x8dc8: return setValueV4uiArray; + case 0x8b5e: + case 0x8d66: + case 0x8dca: + case 0x8dd2: + case 0x8b62: + return setValueT1Array; + case 0x8b5f: + case 0x8dcb: + case 0x8dd3: + return setValueT3DArray; + case 0x8b60: + case 0x8dcc: + case 0x8dd4: + case 0x8dc5: + return setValueT6Array; + case 0x8dc1: + case 0x8dcf: + case 0x8dd7: + case 0x8dc4: + return setValueT2DArrayArray; + } + } + class SingleUniform { + constructor( id, activeInfo, addr ) { + this.id = id; + this.addr = addr; + this.cache = []; + this.type = activeInfo.type; + this.setValue = getSingularSetter( activeInfo.type ); + } + } + class PureArrayUniform { + constructor( id, activeInfo, addr ) { + this.id = id; + this.addr = addr; + this.cache = []; + this.type = activeInfo.type; + this.size = activeInfo.size; + this.setValue = getPureArraySetter( activeInfo.type ); + } + } + class StructuredUniform { + constructor( id ) { + this.id = id; + this.seq = []; + this.map = {}; + } + setValue( gl, value, textures ) { + const seq = this.seq; + for ( let i = 0, n = seq.length; i !== n; ++ i ) { + const u = seq[ i ]; + u.setValue( gl, value[ u.id ], textures ); + } + } + } + const RePathPart = /(\w+)(\])?(\[|\.)?/g; + function addUniform( container, uniformObject ) { + container.seq.push( uniformObject ); + container.map[ uniformObject.id ] = uniformObject; + } + function parseUniform( activeInfo, addr, container ) { + const path = activeInfo.name, + pathLength = path.length; + RePathPart.lastIndex = 0; + while ( true ) { + const match = RePathPart.exec( path ), + matchEnd = RePathPart.lastIndex; + let id = match[ 1 ]; + const idIsIndex = match[ 2 ] === ']', + subscript = match[ 3 ]; + if ( idIsIndex ) id = id | 0; + if ( subscript === undefined || subscript === '[' && matchEnd + 2 === pathLength ) { + addUniform( container, subscript === undefined ? + new SingleUniform( id, activeInfo, addr ) : + new PureArrayUniform( id, activeInfo, addr ) ); + break; + } else { + const map = container.map; + let next = map[ id ]; + if ( next === undefined ) { + next = new StructuredUniform( id ); + addUniform( container, next ); + } + container = next; + } + } + } + class WebGLUniforms { + constructor( gl, program ) { + this.seq = []; + this.map = {}; + const n = gl.getProgramParameter( program, gl.ACTIVE_UNIFORMS ); + for ( let i = 0; i < n; ++ i ) { + const info = gl.getActiveUniform( program, i ), + addr = gl.getUniformLocation( program, info.name ); + parseUniform( info, addr, this ); + } + } + setValue( gl, name, value, textures ) { + const u = this.map[ name ]; + if ( u !== undefined ) u.setValue( gl, value, textures ); + } + setOptional( gl, object, name ) { + const v = object[ name ]; + if ( v !== undefined ) this.setValue( gl, name, v ); + } + static upload( gl, seq, values, textures ) { + for ( let i = 0, n = seq.length; i !== n; ++ i ) { + const u = seq[ i ], + v = values[ u.id ]; + if ( v.needsUpdate !== false ) { + u.setValue( gl, v.value, textures ); + } + } + } + static seqWithValue( seq, values ) { + const r = []; + for ( let i = 0, n = seq.length; i !== n; ++ i ) { + const u = seq[ i ]; + if ( u.id in values ) r.push( u ); + } + return r; + } + } + function WebGLShader( gl, type, string ) { + const shader = gl.createShader( type ); + gl.shaderSource( shader, string ); + gl.compileShader( shader ); + return shader; + } + const COMPLETION_STATUS_KHR = 0x91B1; + let programIdCount = 0; + function handleSource( string, errorLine ) { + const lines = string.split( '\n' ); + const lines2 = []; + const from = Math.max( errorLine - 6, 0 ); + const to = Math.min( errorLine + 6, lines.length ); + for ( let i = from; i < to; i ++ ) { + const line = i + 1; + lines2.push( `${line === errorLine ? '>' : ' '} ${line}: ${lines[ i ]}` ); + } + return lines2.join( '\n' ); + } + const _m0 = new Matrix3(); + function getEncodingComponents( colorSpace ) { + ColorManagement._getMatrix( _m0, ColorManagement.workingColorSpace, colorSpace ); + const encodingMatrix = `mat3( ${ _m0.elements.map( ( v ) => v.toFixed( 4 ) ) } )`; + switch ( ColorManagement.getTransfer( colorSpace ) ) { + case LinearTransfer: + return [ encodingMatrix, 'LinearTransferOETF' ]; + case SRGBTransfer: + return [ encodingMatrix, 'sRGBTransferOETF' ]; + default: + console.warn( 'THREE.WebGLProgram: Unsupported color space: ', colorSpace ); + return [ encodingMatrix, 'LinearTransferOETF' ]; + } + } + function getShaderErrors( gl, shader, type ) { + const status = gl.getShaderParameter( shader, gl.COMPILE_STATUS ); + const errors = gl.getShaderInfoLog( shader ).trim(); + if ( status && errors === '' ) return ''; + const errorMatches = /ERROR: 0:(\d+)/.exec( errors ); + if ( errorMatches ) { + const errorLine = parseInt( errorMatches[ 1 ] ); + return type.toUpperCase() + '\n\n' + errors + '\n\n' + handleSource( gl.getShaderSource( shader ), errorLine ); + } else { + return errors; + } + } + function getTexelEncodingFunction( functionName, colorSpace ) { + const components = getEncodingComponents( colorSpace ); + return [ + `vec4 ${functionName}( vec4 value ) {`, + ` return ${components[ 1 ]}( vec4( value.rgb * ${components[ 0 ]}, value.a ) );`, + '}', + ].join( '\n' ); + } + function getToneMappingFunction( functionName, toneMapping ) { + let toneMappingName; + switch ( toneMapping ) { + case LinearToneMapping: + toneMappingName = 'Linear'; + break; + case ReinhardToneMapping: + toneMappingName = 'Reinhard'; + break; + case CineonToneMapping: + toneMappingName = 'Cineon'; + break; + case ACESFilmicToneMapping: + toneMappingName = 'ACESFilmic'; + break; + case AgXToneMapping: + toneMappingName = 'AgX'; + break; + case NeutralToneMapping: + toneMappingName = 'Neutral'; + break; + case CustomToneMapping: + toneMappingName = 'Custom'; + break; + default: + console.warn( 'THREE.WebGLProgram: Unsupported toneMapping:', toneMapping ); + toneMappingName = 'Linear'; + } + return 'vec3 ' + functionName + '( vec3 color ) { return ' + toneMappingName + 'ToneMapping( color ); }'; + } + const _v0 = new Vector3(); + function getLuminanceFunction() { + ColorManagement.getLuminanceCoefficients( _v0 ); + const r = _v0.x.toFixed( 4 ); + const g = _v0.y.toFixed( 4 ); + const b = _v0.z.toFixed( 4 ); + return [ + 'float luminance( const in vec3 rgb ) {', + ` const vec3 weights = vec3( ${ r }, ${ g }, ${ b } );`, + ' return dot( weights, rgb );', + '}' + ].join( '\n' ); + } + function generateVertexExtensions( parameters ) { + const chunks = [ + parameters.extensionClipCullDistance ? '#extension GL_ANGLE_clip_cull_distance : require' : '', + parameters.extensionMultiDraw ? '#extension GL_ANGLE_multi_draw : require' : '', + ]; + return chunks.filter( filterEmptyLine ).join( '\n' ); + } + function generateDefines( defines ) { + const chunks = []; + for ( const name in defines ) { + const value = defines[ name ]; + if ( value === false ) continue; + chunks.push( '#define ' + name + ' ' + value ); + } + return chunks.join( '\n' ); + } + function fetchAttributeLocations( gl, program ) { + const attributes = {}; + const n = gl.getProgramParameter( program, gl.ACTIVE_ATTRIBUTES ); + for ( let i = 0; i < n; i ++ ) { + const info = gl.getActiveAttrib( program, i ); + const name = info.name; + let locationSize = 1; + if ( info.type === gl.FLOAT_MAT2 ) locationSize = 2; + if ( info.type === gl.FLOAT_MAT3 ) locationSize = 3; + if ( info.type === gl.FLOAT_MAT4 ) locationSize = 4; + attributes[ name ] = { + type: info.type, + location: gl.getAttribLocation( program, name ), + locationSize: locationSize + }; + } + return attributes; + } + function filterEmptyLine( string ) { + return string !== ''; + } + function replaceLightNums( string, parameters ) { + const numSpotLightCoords = parameters.numSpotLightShadows + parameters.numSpotLightMaps - parameters.numSpotLightShadowsWithMaps; + return string + .replace( /NUM_DIR_LIGHTS/g, parameters.numDirLights ) + .replace( /NUM_SPOT_LIGHTS/g, parameters.numSpotLights ) + .replace( /NUM_SPOT_LIGHT_MAPS/g, parameters.numSpotLightMaps ) + .replace( /NUM_SPOT_LIGHT_COORDS/g, numSpotLightCoords ) + .replace( /NUM_RECT_AREA_LIGHTS/g, parameters.numRectAreaLights ) + .replace( /NUM_POINT_LIGHTS/g, parameters.numPointLights ) + .replace( /NUM_HEMI_LIGHTS/g, parameters.numHemiLights ) + .replace( /NUM_DIR_LIGHT_SHADOWS/g, parameters.numDirLightShadows ) + .replace( /NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS/g, parameters.numSpotLightShadowsWithMaps ) + .replace( /NUM_SPOT_LIGHT_SHADOWS/g, parameters.numSpotLightShadows ) + .replace( /NUM_POINT_LIGHT_SHADOWS/g, parameters.numPointLightShadows ); + } + function replaceClippingPlaneNums( string, parameters ) { + return string + .replace( /NUM_CLIPPING_PLANES/g, parameters.numClippingPlanes ) + .replace( /UNION_CLIPPING_PLANES/g, ( parameters.numClippingPlanes - parameters.numClipIntersection ) ); + } + const includePattern = /^[ \t]*#include +<([\w\d./]+)>/gm; + function resolveIncludes( string ) { + return string.replace( includePattern, includeReplacer ); + } + const shaderChunkMap = new Map(); + function includeReplacer( match, include ) { + let string = ShaderChunk[ include ]; + if ( string === undefined ) { + const newInclude = shaderChunkMap.get( include ); + if ( newInclude !== undefined ) { + string = ShaderChunk[ newInclude ]; + console.warn( 'THREE.WebGLRenderer: Shader chunk "%s" has been deprecated. Use "%s" instead.', include, newInclude ); + } else { + throw new Error( 'Can not resolve #include <' + include + '>' ); + } + } + return resolveIncludes( string ); + } + const unrollLoopPattern = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g; + function unrollLoops( string ) { + return string.replace( unrollLoopPattern, loopReplacer ); + } + function loopReplacer( match, start, end, snippet ) { + let string = ''; + for ( let i = parseInt( start ); i < parseInt( end ); i ++ ) { + string += snippet + .replace( /\[\s*i\s*\]/g, '[ ' + i + ' ]' ) + .replace( /UNROLLED_LOOP_INDEX/g, i ); + } + return string; + } + function generatePrecision( parameters ) { + let precisionstring = `precision ${parameters.precision} float; + precision ${parameters.precision} int; + precision ${parameters.precision} sampler2D; + precision ${parameters.precision} samplerCube; + precision ${parameters.precision} sampler3D; + precision ${parameters.precision} sampler2DArray; + precision ${parameters.precision} sampler2DShadow; + precision ${parameters.precision} samplerCubeShadow; + precision ${parameters.precision} sampler2DArrayShadow; + precision ${parameters.precision} isampler2D; + precision ${parameters.precision} isampler3D; + precision ${parameters.precision} isamplerCube; + precision ${parameters.precision} isampler2DArray; + precision ${parameters.precision} usampler2D; + precision ${parameters.precision} usampler3D; + precision ${parameters.precision} usamplerCube; + precision ${parameters.precision} usampler2DArray; + `; + if ( parameters.precision === 'highp' ) { + precisionstring += '\n#define HIGH_PRECISION'; + } else if ( parameters.precision === 'mediump' ) { + precisionstring += '\n#define MEDIUM_PRECISION'; + } else if ( parameters.precision === 'lowp' ) { + precisionstring += '\n#define LOW_PRECISION'; + } + return precisionstring; + } + function generateShadowMapTypeDefine( parameters ) { + let shadowMapTypeDefine = 'SHADOWMAP_TYPE_BASIC'; + if ( parameters.shadowMapType === PCFShadowMap ) { + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF'; + } else if ( parameters.shadowMapType === PCFSoftShadowMap ) { + shadowMapTypeDefine = 'SHADOWMAP_TYPE_PCF_SOFT'; + } else if ( parameters.shadowMapType === VSMShadowMap ) { + shadowMapTypeDefine = 'SHADOWMAP_TYPE_VSM'; + } + return shadowMapTypeDefine; + } + function generateEnvMapTypeDefine( parameters ) { + let envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + if ( parameters.envMap ) { + switch ( parameters.envMapMode ) { + case CubeReflectionMapping: + case CubeRefractionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE'; + break; + case CubeUVReflectionMapping: + envMapTypeDefine = 'ENVMAP_TYPE_CUBE_UV'; + break; + } + } + return envMapTypeDefine; + } + function generateEnvMapModeDefine( parameters ) { + let envMapModeDefine = 'ENVMAP_MODE_REFLECTION'; + if ( parameters.envMap ) { + switch ( parameters.envMapMode ) { + case CubeRefractionMapping: + envMapModeDefine = 'ENVMAP_MODE_REFRACTION'; + break; + } + } + return envMapModeDefine; + } + function generateEnvMapBlendingDefine( parameters ) { + let envMapBlendingDefine = 'ENVMAP_BLENDING_NONE'; + if ( parameters.envMap ) { + switch ( parameters.combine ) { + case MultiplyOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MULTIPLY'; + break; + case MixOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_MIX'; + break; + case AddOperation: + envMapBlendingDefine = 'ENVMAP_BLENDING_ADD'; + break; + } + } + return envMapBlendingDefine; + } + function generateCubeUVSize( parameters ) { + const imageHeight = parameters.envMapCubeUVHeight; + if ( imageHeight === null ) return null; + const maxMip = Math.log2( imageHeight ) - 2; + const texelHeight = 1.0 / imageHeight; + const texelWidth = 1.0 / ( 3 * Math.max( Math.pow( 2, maxMip ), 7 * 16 ) ); + return { texelWidth, texelHeight, maxMip }; + } + function WebGLProgram( renderer, cacheKey, parameters, bindingStates ) { + const gl = renderer.getContext(); + const defines = parameters.defines; + let vertexShader = parameters.vertexShader; + let fragmentShader = parameters.fragmentShader; + const shadowMapTypeDefine = generateShadowMapTypeDefine( parameters ); + const envMapTypeDefine = generateEnvMapTypeDefine( parameters ); + const envMapModeDefine = generateEnvMapModeDefine( parameters ); + const envMapBlendingDefine = generateEnvMapBlendingDefine( parameters ); + const envMapCubeUVSize = generateCubeUVSize( parameters ); + const customVertexExtensions = generateVertexExtensions( parameters ); + const customDefines = generateDefines( defines ); + const program = gl.createProgram(); + let prefixVertex, prefixFragment; + let versionString = parameters.glslVersion ? '#version ' + parameters.glslVersion + '\n' : ''; + if ( parameters.isRawShaderMaterial ) { + prefixVertex = [ + '#define SHADER_TYPE ' + parameters.shaderType, + '#define SHADER_NAME ' + parameters.shaderName, + customDefines + ].filter( filterEmptyLine ).join( '\n' ); + if ( prefixVertex.length > 0 ) { + prefixVertex += '\n'; + } + prefixFragment = [ + '#define SHADER_TYPE ' + parameters.shaderType, + '#define SHADER_NAME ' + parameters.shaderName, + customDefines + ].filter( filterEmptyLine ).join( '\n' ); + if ( prefixFragment.length > 0 ) { + prefixFragment += '\n'; + } + } else { + prefixVertex = [ + generatePrecision( parameters ), + '#define SHADER_TYPE ' + parameters.shaderType, + '#define SHADER_NAME ' + parameters.shaderName, + customDefines, + parameters.extensionClipCullDistance ? '#define USE_CLIP_DISTANCE' : '', + parameters.batching ? '#define USE_BATCHING' : '', + parameters.batchingColor ? '#define USE_BATCHING_COLOR' : '', + parameters.instancing ? '#define USE_INSTANCING' : '', + parameters.instancingColor ? '#define USE_INSTANCING_COLOR' : '', + parameters.instancingMorph ? '#define USE_INSTANCING_MORPH' : '', + parameters.useFog && parameters.fog ? '#define USE_FOG' : '', + parameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '', + parameters.map ? '#define USE_MAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '', + parameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '', + parameters.displacementMap ? '#define USE_DISPLACEMENTMAP' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.anisotropy ? '#define USE_ANISOTROPY' : '', + parameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '', + parameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '', + parameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '', + parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', + parameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '', + parameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '', + parameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.alphaHash ? '#define USE_ALPHAHASH' : '', + parameters.transmission ? '#define USE_TRANSMISSION' : '', + parameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '', + parameters.thicknessMap ? '#define USE_THICKNESSMAP' : '', + parameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '', + parameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '', + parameters.mapUv ? '#define MAP_UV ' + parameters.mapUv : '', + parameters.alphaMapUv ? '#define ALPHAMAP_UV ' + parameters.alphaMapUv : '', + parameters.lightMapUv ? '#define LIGHTMAP_UV ' + parameters.lightMapUv : '', + parameters.aoMapUv ? '#define AOMAP_UV ' + parameters.aoMapUv : '', + parameters.emissiveMapUv ? '#define EMISSIVEMAP_UV ' + parameters.emissiveMapUv : '', + parameters.bumpMapUv ? '#define BUMPMAP_UV ' + parameters.bumpMapUv : '', + parameters.normalMapUv ? '#define NORMALMAP_UV ' + parameters.normalMapUv : '', + parameters.displacementMapUv ? '#define DISPLACEMENTMAP_UV ' + parameters.displacementMapUv : '', + parameters.metalnessMapUv ? '#define METALNESSMAP_UV ' + parameters.metalnessMapUv : '', + parameters.roughnessMapUv ? '#define ROUGHNESSMAP_UV ' + parameters.roughnessMapUv : '', + parameters.anisotropyMapUv ? '#define ANISOTROPYMAP_UV ' + parameters.anisotropyMapUv : '', + parameters.clearcoatMapUv ? '#define CLEARCOATMAP_UV ' + parameters.clearcoatMapUv : '', + parameters.clearcoatNormalMapUv ? '#define CLEARCOAT_NORMALMAP_UV ' + parameters.clearcoatNormalMapUv : '', + parameters.clearcoatRoughnessMapUv ? '#define CLEARCOAT_ROUGHNESSMAP_UV ' + parameters.clearcoatRoughnessMapUv : '', + parameters.iridescenceMapUv ? '#define IRIDESCENCEMAP_UV ' + parameters.iridescenceMapUv : '', + parameters.iridescenceThicknessMapUv ? '#define IRIDESCENCE_THICKNESSMAP_UV ' + parameters.iridescenceThicknessMapUv : '', + parameters.sheenColorMapUv ? '#define SHEEN_COLORMAP_UV ' + parameters.sheenColorMapUv : '', + parameters.sheenRoughnessMapUv ? '#define SHEEN_ROUGHNESSMAP_UV ' + parameters.sheenRoughnessMapUv : '', + parameters.specularMapUv ? '#define SPECULARMAP_UV ' + parameters.specularMapUv : '', + parameters.specularColorMapUv ? '#define SPECULAR_COLORMAP_UV ' + parameters.specularColorMapUv : '', + parameters.specularIntensityMapUv ? '#define SPECULAR_INTENSITYMAP_UV ' + parameters.specularIntensityMapUv : '', + parameters.transmissionMapUv ? '#define TRANSMISSIONMAP_UV ' + parameters.transmissionMapUv : '', + parameters.thicknessMapUv ? '#define THICKNESSMAP_UV ' + parameters.thicknessMapUv : '', + parameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '', + parameters.vertexColors ? '#define USE_COLOR' : '', + parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '', + parameters.vertexUv1s ? '#define USE_UV1' : '', + parameters.vertexUv2s ? '#define USE_UV2' : '', + parameters.vertexUv3s ? '#define USE_UV3' : '', + parameters.pointsUvs ? '#define USE_POINTS_UV' : '', + parameters.flatShading ? '#define FLAT_SHADED' : '', + parameters.skinning ? '#define USE_SKINNING' : '', + parameters.morphTargets ? '#define USE_MORPHTARGETS' : '', + parameters.morphNormals && parameters.flatShading === false ? '#define USE_MORPHNORMALS' : '', + ( parameters.morphColors ) ? '#define USE_MORPHCOLORS' : '', + ( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_TEXTURE_STRIDE ' + parameters.morphTextureStride : '', + ( parameters.morphTargetsCount > 0 ) ? '#define MORPHTARGETS_COUNT ' + parameters.morphTargetsCount : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + parameters.sizeAttenuation ? '#define USE_SIZEATTENUATION' : '', + parameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '', + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '', + 'uniform mat4 modelMatrix;', + 'uniform mat4 modelViewMatrix;', + 'uniform mat4 projectionMatrix;', + 'uniform mat4 viewMatrix;', + 'uniform mat3 normalMatrix;', + 'uniform vec3 cameraPosition;', + 'uniform bool isOrthographic;', + '#ifdef USE_INSTANCING', + ' attribute mat4 instanceMatrix;', + '#endif', + '#ifdef USE_INSTANCING_COLOR', + ' attribute vec3 instanceColor;', + '#endif', + '#ifdef USE_INSTANCING_MORPH', + ' uniform sampler2D morphTexture;', + '#endif', + 'attribute vec3 position;', + 'attribute vec3 normal;', + 'attribute vec2 uv;', + '#ifdef USE_UV1', + ' attribute vec2 uv1;', + '#endif', + '#ifdef USE_UV2', + ' attribute vec2 uv2;', + '#endif', + '#ifdef USE_UV3', + ' attribute vec2 uv3;', + '#endif', + '#ifdef USE_TANGENT', + ' attribute vec4 tangent;', + '#endif', + '#if defined( USE_COLOR_ALPHA )', + ' attribute vec4 color;', + '#elif defined( USE_COLOR )', + ' attribute vec3 color;', + '#endif', + '#ifdef USE_SKINNING', + ' attribute vec4 skinIndex;', + ' attribute vec4 skinWeight;', + '#endif', + '\n' + ].filter( filterEmptyLine ).join( '\n' ); + prefixFragment = [ + generatePrecision( parameters ), + '#define SHADER_TYPE ' + parameters.shaderType, + '#define SHADER_NAME ' + parameters.shaderName, + customDefines, + parameters.useFog && parameters.fog ? '#define USE_FOG' : '', + parameters.useFog && parameters.fogExp2 ? '#define FOG_EXP2' : '', + parameters.alphaToCoverage ? '#define ALPHA_TO_COVERAGE' : '', + parameters.map ? '#define USE_MAP' : '', + parameters.matcap ? '#define USE_MATCAP' : '', + parameters.envMap ? '#define USE_ENVMAP' : '', + parameters.envMap ? '#define ' + envMapTypeDefine : '', + parameters.envMap ? '#define ' + envMapModeDefine : '', + parameters.envMap ? '#define ' + envMapBlendingDefine : '', + envMapCubeUVSize ? '#define CUBEUV_TEXEL_WIDTH ' + envMapCubeUVSize.texelWidth : '', + envMapCubeUVSize ? '#define CUBEUV_TEXEL_HEIGHT ' + envMapCubeUVSize.texelHeight : '', + envMapCubeUVSize ? '#define CUBEUV_MAX_MIP ' + envMapCubeUVSize.maxMip + '.0' : '', + parameters.lightMap ? '#define USE_LIGHTMAP' : '', + parameters.aoMap ? '#define USE_AOMAP' : '', + parameters.bumpMap ? '#define USE_BUMPMAP' : '', + parameters.normalMap ? '#define USE_NORMALMAP' : '', + parameters.normalMapObjectSpace ? '#define USE_NORMALMAP_OBJECTSPACE' : '', + parameters.normalMapTangentSpace ? '#define USE_NORMALMAP_TANGENTSPACE' : '', + parameters.emissiveMap ? '#define USE_EMISSIVEMAP' : '', + parameters.anisotropy ? '#define USE_ANISOTROPY' : '', + parameters.anisotropyMap ? '#define USE_ANISOTROPYMAP' : '', + parameters.clearcoat ? '#define USE_CLEARCOAT' : '', + parameters.clearcoatMap ? '#define USE_CLEARCOATMAP' : '', + parameters.clearcoatRoughnessMap ? '#define USE_CLEARCOAT_ROUGHNESSMAP' : '', + parameters.clearcoatNormalMap ? '#define USE_CLEARCOAT_NORMALMAP' : '', + parameters.dispersion ? '#define USE_DISPERSION' : '', + parameters.iridescence ? '#define USE_IRIDESCENCE' : '', + parameters.iridescenceMap ? '#define USE_IRIDESCENCEMAP' : '', + parameters.iridescenceThicknessMap ? '#define USE_IRIDESCENCE_THICKNESSMAP' : '', + parameters.specularMap ? '#define USE_SPECULARMAP' : '', + parameters.specularColorMap ? '#define USE_SPECULAR_COLORMAP' : '', + parameters.specularIntensityMap ? '#define USE_SPECULAR_INTENSITYMAP' : '', + parameters.roughnessMap ? '#define USE_ROUGHNESSMAP' : '', + parameters.metalnessMap ? '#define USE_METALNESSMAP' : '', + parameters.alphaMap ? '#define USE_ALPHAMAP' : '', + parameters.alphaTest ? '#define USE_ALPHATEST' : '', + parameters.alphaHash ? '#define USE_ALPHAHASH' : '', + parameters.sheen ? '#define USE_SHEEN' : '', + parameters.sheenColorMap ? '#define USE_SHEEN_COLORMAP' : '', + parameters.sheenRoughnessMap ? '#define USE_SHEEN_ROUGHNESSMAP' : '', + parameters.transmission ? '#define USE_TRANSMISSION' : '', + parameters.transmissionMap ? '#define USE_TRANSMISSIONMAP' : '', + parameters.thicknessMap ? '#define USE_THICKNESSMAP' : '', + parameters.vertexTangents && parameters.flatShading === false ? '#define USE_TANGENT' : '', + parameters.vertexColors || parameters.instancingColor || parameters.batchingColor ? '#define USE_COLOR' : '', + parameters.vertexAlphas ? '#define USE_COLOR_ALPHA' : '', + parameters.vertexUv1s ? '#define USE_UV1' : '', + parameters.vertexUv2s ? '#define USE_UV2' : '', + parameters.vertexUv3s ? '#define USE_UV3' : '', + parameters.pointsUvs ? '#define USE_POINTS_UV' : '', + parameters.gradientMap ? '#define USE_GRADIENTMAP' : '', + parameters.flatShading ? '#define FLAT_SHADED' : '', + parameters.doubleSided ? '#define DOUBLE_SIDED' : '', + parameters.flipSided ? '#define FLIP_SIDED' : '', + parameters.shadowMapEnabled ? '#define USE_SHADOWMAP' : '', + parameters.shadowMapEnabled ? '#define ' + shadowMapTypeDefine : '', + parameters.premultipliedAlpha ? '#define PREMULTIPLIED_ALPHA' : '', + parameters.numLightProbes > 0 ? '#define USE_LIGHT_PROBES' : '', + parameters.decodeVideoTexture ? '#define DECODE_VIDEO_TEXTURE' : '', + parameters.decodeVideoTextureEmissive ? '#define DECODE_VIDEO_TEXTURE_EMISSIVE' : '', + parameters.logarithmicDepthBuffer ? '#define USE_LOGDEPTHBUF' : '', + parameters.reverseDepthBuffer ? '#define USE_REVERSEDEPTHBUF' : '', + 'uniform mat4 viewMatrix;', + 'uniform vec3 cameraPosition;', + 'uniform bool isOrthographic;', + ( parameters.toneMapping !== NoToneMapping ) ? '#define TONE_MAPPING' : '', + ( parameters.toneMapping !== NoToneMapping ) ? ShaderChunk[ 'tonemapping_pars_fragment' ] : '', + ( parameters.toneMapping !== NoToneMapping ) ? getToneMappingFunction( 'toneMapping', parameters.toneMapping ) : '', + parameters.dithering ? '#define DITHERING' : '', + parameters.opaque ? '#define OPAQUE' : '', + ShaderChunk[ 'colorspace_pars_fragment' ], + getTexelEncodingFunction( 'linearToOutputTexel', parameters.outputColorSpace ), + getLuminanceFunction(), + parameters.useDepthPacking ? '#define DEPTH_PACKING ' + parameters.depthPacking : '', + '\n' + ].filter( filterEmptyLine ).join( '\n' ); + } + vertexShader = resolveIncludes( vertexShader ); + vertexShader = replaceLightNums( vertexShader, parameters ); + vertexShader = replaceClippingPlaneNums( vertexShader, parameters ); + fragmentShader = resolveIncludes( fragmentShader ); + fragmentShader = replaceLightNums( fragmentShader, parameters ); + fragmentShader = replaceClippingPlaneNums( fragmentShader, parameters ); + vertexShader = unrollLoops( vertexShader ); + fragmentShader = unrollLoops( fragmentShader ); + if ( parameters.isRawShaderMaterial !== true ) { + versionString = '#version 300 es\n'; + prefixVertex = [ + customVertexExtensions, + '#define attribute in', + '#define varying out', + '#define texture2D texture' + ].join( '\n' ) + '\n' + prefixVertex; + prefixFragment = [ + '#define varying in', + ( parameters.glslVersion === GLSL3 ) ? '' : 'layout(location = 0) out highp vec4 pc_fragColor;', + ( parameters.glslVersion === GLSL3 ) ? '' : '#define gl_FragColor pc_fragColor', + '#define gl_FragDepthEXT gl_FragDepth', + '#define texture2D texture', + '#define textureCube texture', + '#define texture2DProj textureProj', + '#define texture2DLodEXT textureLod', + '#define texture2DProjLodEXT textureProjLod', + '#define textureCubeLodEXT textureLod', + '#define texture2DGradEXT textureGrad', + '#define texture2DProjGradEXT textureProjGrad', + '#define textureCubeGradEXT textureGrad' + ].join( '\n' ) + '\n' + prefixFragment; + } + const vertexGlsl = versionString + prefixVertex + vertexShader; + const fragmentGlsl = versionString + prefixFragment + fragmentShader; + const glVertexShader = WebGLShader( gl, gl.VERTEX_SHADER, vertexGlsl ); + const glFragmentShader = WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentGlsl ); + gl.attachShader( program, glVertexShader ); + gl.attachShader( program, glFragmentShader ); + if ( parameters.index0AttributeName !== undefined ) { + gl.bindAttribLocation( program, 0, parameters.index0AttributeName ); + } else if ( parameters.morphTargets === true ) { + gl.bindAttribLocation( program, 0, 'position' ); + } + gl.linkProgram( program ); + function onFirstUse( self ) { + if ( renderer.debug.checkShaderErrors ) { + const programLog = gl.getProgramInfoLog( program ).trim(); + const vertexLog = gl.getShaderInfoLog( glVertexShader ).trim(); + const fragmentLog = gl.getShaderInfoLog( glFragmentShader ).trim(); + let runnable = true; + let haveDiagnostics = true; + if ( gl.getProgramParameter( program, gl.LINK_STATUS ) === false ) { + runnable = false; + if ( typeof renderer.debug.onShaderError === 'function' ) { + renderer.debug.onShaderError( gl, program, glVertexShader, glFragmentShader ); + } else { + const vertexErrors = getShaderErrors( gl, glVertexShader, 'vertex' ); + const fragmentErrors = getShaderErrors( gl, glFragmentShader, 'fragment' ); + console.error( + 'THREE.WebGLProgram: Shader Error ' + gl.getError() + ' - ' + + 'VALIDATE_STATUS ' + gl.getProgramParameter( program, gl.VALIDATE_STATUS ) + '\n\n' + + 'Material Name: ' + self.name + '\n' + + 'Material Type: ' + self.type + '\n\n' + + 'Program Info Log: ' + programLog + '\n' + + vertexErrors + '\n' + + fragmentErrors + ); + } + } else if ( programLog !== '' ) { + console.warn( 'THREE.WebGLProgram: Program Info Log:', programLog ); + } else if ( vertexLog === '' || fragmentLog === '' ) { + haveDiagnostics = false; + } + if ( haveDiagnostics ) { + self.diagnostics = { + runnable: runnable, + programLog: programLog, + vertexShader: { + log: vertexLog, + prefix: prefixVertex + }, + fragmentShader: { + log: fragmentLog, + prefix: prefixFragment + } + }; + } + } + gl.deleteShader( glVertexShader ); + gl.deleteShader( glFragmentShader ); + cachedUniforms = new WebGLUniforms( gl, program ); + cachedAttributes = fetchAttributeLocations( gl, program ); + } + let cachedUniforms; + this.getUniforms = function () { + if ( cachedUniforms === undefined ) { + onFirstUse( this ); + } + return cachedUniforms; + }; + let cachedAttributes; + this.getAttributes = function () { + if ( cachedAttributes === undefined ) { + onFirstUse( this ); + } + return cachedAttributes; + }; + let programReady = ( parameters.rendererExtensionParallelShaderCompile === false ); + this.isReady = function () { + if ( programReady === false ) { + programReady = gl.getProgramParameter( program, COMPLETION_STATUS_KHR ); + } + return programReady; + }; + this.destroy = function () { + bindingStates.releaseStatesOfProgram( this ); + gl.deleteProgram( program ); + this.program = undefined; + }; + this.type = parameters.shaderType; + this.name = parameters.shaderName; + this.id = programIdCount ++; + this.cacheKey = cacheKey; + this.usedTimes = 1; + this.program = program; + this.vertexShader = glVertexShader; + this.fragmentShader = glFragmentShader; + return this; + } + let _id = 0; + class WebGLShaderCache { + constructor() { + this.shaderCache = new Map(); + this.materialCache = new Map(); + } + update( material ) { + const vertexShader = material.vertexShader; + const fragmentShader = material.fragmentShader; + const vertexShaderStage = this._getShaderStage( vertexShader ); + const fragmentShaderStage = this._getShaderStage( fragmentShader ); + const materialShaders = this._getShaderCacheForMaterial( material ); + if ( materialShaders.has( vertexShaderStage ) === false ) { + materialShaders.add( vertexShaderStage ); + vertexShaderStage.usedTimes ++; + } + if ( materialShaders.has( fragmentShaderStage ) === false ) { + materialShaders.add( fragmentShaderStage ); + fragmentShaderStage.usedTimes ++; + } + return this; + } + remove( material ) { + const materialShaders = this.materialCache.get( material ); + for ( const shaderStage of materialShaders ) { + shaderStage.usedTimes --; + if ( shaderStage.usedTimes === 0 ) this.shaderCache.delete( shaderStage.code ); + } + this.materialCache.delete( material ); + return this; + } + getVertexShaderID( material ) { + return this._getShaderStage( material.vertexShader ).id; + } + getFragmentShaderID( material ) { + return this._getShaderStage( material.fragmentShader ).id; + } + dispose() { + this.shaderCache.clear(); + this.materialCache.clear(); + } + _getShaderCacheForMaterial( material ) { + const cache = this.materialCache; + let set = cache.get( material ); + if ( set === undefined ) { + set = new Set(); + cache.set( material, set ); + } + return set; + } + _getShaderStage( code ) { + const cache = this.shaderCache; + let stage = cache.get( code ); + if ( stage === undefined ) { + stage = new WebGLShaderStage( code ); + cache.set( code, stage ); + } + return stage; + } + } + class WebGLShaderStage { + constructor( code ) { + this.id = _id ++; + this.code = code; + this.usedTimes = 0; + } + } + function WebGLPrograms( renderer, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ) { + const _programLayers = new Layers(); + const _customShaders = new WebGLShaderCache(); + const _activeChannels = new Set(); + const programs = []; + const logarithmicDepthBuffer = capabilities.logarithmicDepthBuffer; + const SUPPORTS_VERTEX_TEXTURES = capabilities.vertexTextures; + let precision = capabilities.precision; + const shaderIDs = { + MeshDepthMaterial: 'depth', + MeshDistanceMaterial: 'distanceRGBA', + MeshNormalMaterial: 'normal', + MeshBasicMaterial: 'basic', + MeshLambertMaterial: 'lambert', + MeshPhongMaterial: 'phong', + MeshToonMaterial: 'toon', + MeshStandardMaterial: 'physical', + MeshPhysicalMaterial: 'physical', + MeshMatcapMaterial: 'matcap', + LineBasicMaterial: 'basic', + LineDashedMaterial: 'dashed', + PointsMaterial: 'points', + ShadowMaterial: 'shadow', + SpriteMaterial: 'sprite' + }; + function getChannel( value ) { + _activeChannels.add( value ); + if ( value === 0 ) return 'uv'; + return `uv${ value }`; + } + function getParameters( material, lights, shadows, scene, object ) { + const fog = scene.fog; + const geometry = object.geometry; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment ); + const envMapCubeUVHeight = ( !! envMap ) && ( envMap.mapping === CubeUVReflectionMapping ) ? envMap.image.height : null; + const shaderID = shaderIDs[ material.type ]; + if ( material.precision !== null ) { + precision = capabilities.getMaxPrecision( material.precision ); + if ( precision !== material.precision ) { + console.warn( 'THREE.WebGLProgram.getParameters:', material.precision, 'not supported, using', precision, 'instead.' ); + } + } + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + let morphTextureStride = 0; + if ( geometry.morphAttributes.position !== undefined ) morphTextureStride = 1; + if ( geometry.morphAttributes.normal !== undefined ) morphTextureStride = 2; + if ( geometry.morphAttributes.color !== undefined ) morphTextureStride = 3; + let vertexShader, fragmentShader; + let customVertexShaderID, customFragmentShaderID; + if ( shaderID ) { + const shader = ShaderLib[ shaderID ]; + vertexShader = shader.vertexShader; + fragmentShader = shader.fragmentShader; + } else { + vertexShader = material.vertexShader; + fragmentShader = material.fragmentShader; + _customShaders.update( material ); + customVertexShaderID = _customShaders.getVertexShaderID( material ); + customFragmentShaderID = _customShaders.getFragmentShaderID( material ); + } + const currentRenderTarget = renderer.getRenderTarget(); + const reverseDepthBuffer = renderer.state.buffers.depth.getReversed(); + const IS_INSTANCEDMESH = object.isInstancedMesh === true; + const IS_BATCHEDMESH = object.isBatchedMesh === true; + const HAS_MAP = !! material.map; + const HAS_MATCAP = !! material.matcap; + const HAS_ENVMAP = !! envMap; + const HAS_AOMAP = !! material.aoMap; + const HAS_LIGHTMAP = !! material.lightMap; + const HAS_BUMPMAP = !! material.bumpMap; + const HAS_NORMALMAP = !! material.normalMap; + const HAS_DISPLACEMENTMAP = !! material.displacementMap; + const HAS_EMISSIVEMAP = !! material.emissiveMap; + const HAS_METALNESSMAP = !! material.metalnessMap; + const HAS_ROUGHNESSMAP = !! material.roughnessMap; + const HAS_ANISOTROPY = material.anisotropy > 0; + const HAS_CLEARCOAT = material.clearcoat > 0; + const HAS_DISPERSION = material.dispersion > 0; + const HAS_IRIDESCENCE = material.iridescence > 0; + const HAS_SHEEN = material.sheen > 0; + const HAS_TRANSMISSION = material.transmission > 0; + const HAS_ANISOTROPYMAP = HAS_ANISOTROPY && !! material.anisotropyMap; + const HAS_CLEARCOATMAP = HAS_CLEARCOAT && !! material.clearcoatMap; + const HAS_CLEARCOAT_NORMALMAP = HAS_CLEARCOAT && !! material.clearcoatNormalMap; + const HAS_CLEARCOAT_ROUGHNESSMAP = HAS_CLEARCOAT && !! material.clearcoatRoughnessMap; + const HAS_IRIDESCENCEMAP = HAS_IRIDESCENCE && !! material.iridescenceMap; + const HAS_IRIDESCENCE_THICKNESSMAP = HAS_IRIDESCENCE && !! material.iridescenceThicknessMap; + const HAS_SHEEN_COLORMAP = HAS_SHEEN && !! material.sheenColorMap; + const HAS_SHEEN_ROUGHNESSMAP = HAS_SHEEN && !! material.sheenRoughnessMap; + const HAS_SPECULARMAP = !! material.specularMap; + const HAS_SPECULAR_COLORMAP = !! material.specularColorMap; + const HAS_SPECULAR_INTENSITYMAP = !! material.specularIntensityMap; + const HAS_TRANSMISSIONMAP = HAS_TRANSMISSION && !! material.transmissionMap; + const HAS_THICKNESSMAP = HAS_TRANSMISSION && !! material.thicknessMap; + const HAS_GRADIENTMAP = !! material.gradientMap; + const HAS_ALPHAMAP = !! material.alphaMap; + const HAS_ALPHATEST = material.alphaTest > 0; + const HAS_ALPHAHASH = !! material.alphaHash; + const HAS_EXTENSIONS = !! material.extensions; + let toneMapping = NoToneMapping; + if ( material.toneMapped ) { + if ( currentRenderTarget === null || currentRenderTarget.isXRRenderTarget === true ) { + toneMapping = renderer.toneMapping; + } + } + const parameters = { + shaderID: shaderID, + shaderType: material.type, + shaderName: material.name, + vertexShader: vertexShader, + fragmentShader: fragmentShader, + defines: material.defines, + customVertexShaderID: customVertexShaderID, + customFragmentShaderID: customFragmentShaderID, + isRawShaderMaterial: material.isRawShaderMaterial === true, + glslVersion: material.glslVersion, + precision: precision, + batching: IS_BATCHEDMESH, + batchingColor: IS_BATCHEDMESH && object._colorsTexture !== null, + instancing: IS_INSTANCEDMESH, + instancingColor: IS_INSTANCEDMESH && object.instanceColor !== null, + instancingMorph: IS_INSTANCEDMESH && object.morphTexture !== null, + supportsVertexTextures: SUPPORTS_VERTEX_TEXTURES, + outputColorSpace: ( currentRenderTarget === null ) ? renderer.outputColorSpace : ( currentRenderTarget.isXRRenderTarget === true ? currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace ), + alphaToCoverage: !! material.alphaToCoverage, + map: HAS_MAP, + matcap: HAS_MATCAP, + envMap: HAS_ENVMAP, + envMapMode: HAS_ENVMAP && envMap.mapping, + envMapCubeUVHeight: envMapCubeUVHeight, + aoMap: HAS_AOMAP, + lightMap: HAS_LIGHTMAP, + bumpMap: HAS_BUMPMAP, + normalMap: HAS_NORMALMAP, + displacementMap: SUPPORTS_VERTEX_TEXTURES && HAS_DISPLACEMENTMAP, + emissiveMap: HAS_EMISSIVEMAP, + normalMapObjectSpace: HAS_NORMALMAP && material.normalMapType === ObjectSpaceNormalMap, + normalMapTangentSpace: HAS_NORMALMAP && material.normalMapType === TangentSpaceNormalMap, + metalnessMap: HAS_METALNESSMAP, + roughnessMap: HAS_ROUGHNESSMAP, + anisotropy: HAS_ANISOTROPY, + anisotropyMap: HAS_ANISOTROPYMAP, + clearcoat: HAS_CLEARCOAT, + clearcoatMap: HAS_CLEARCOATMAP, + clearcoatNormalMap: HAS_CLEARCOAT_NORMALMAP, + clearcoatRoughnessMap: HAS_CLEARCOAT_ROUGHNESSMAP, + dispersion: HAS_DISPERSION, + iridescence: HAS_IRIDESCENCE, + iridescenceMap: HAS_IRIDESCENCEMAP, + iridescenceThicknessMap: HAS_IRIDESCENCE_THICKNESSMAP, + sheen: HAS_SHEEN, + sheenColorMap: HAS_SHEEN_COLORMAP, + sheenRoughnessMap: HAS_SHEEN_ROUGHNESSMAP, + specularMap: HAS_SPECULARMAP, + specularColorMap: HAS_SPECULAR_COLORMAP, + specularIntensityMap: HAS_SPECULAR_INTENSITYMAP, + transmission: HAS_TRANSMISSION, + transmissionMap: HAS_TRANSMISSIONMAP, + thicknessMap: HAS_THICKNESSMAP, + gradientMap: HAS_GRADIENTMAP, + opaque: material.transparent === false && material.blending === NormalBlending && material.alphaToCoverage === false, + alphaMap: HAS_ALPHAMAP, + alphaTest: HAS_ALPHATEST, + alphaHash: HAS_ALPHAHASH, + combine: material.combine, + mapUv: HAS_MAP && getChannel( material.map.channel ), + aoMapUv: HAS_AOMAP && getChannel( material.aoMap.channel ), + lightMapUv: HAS_LIGHTMAP && getChannel( material.lightMap.channel ), + bumpMapUv: HAS_BUMPMAP && getChannel( material.bumpMap.channel ), + normalMapUv: HAS_NORMALMAP && getChannel( material.normalMap.channel ), + displacementMapUv: HAS_DISPLACEMENTMAP && getChannel( material.displacementMap.channel ), + emissiveMapUv: HAS_EMISSIVEMAP && getChannel( material.emissiveMap.channel ), + metalnessMapUv: HAS_METALNESSMAP && getChannel( material.metalnessMap.channel ), + roughnessMapUv: HAS_ROUGHNESSMAP && getChannel( material.roughnessMap.channel ), + anisotropyMapUv: HAS_ANISOTROPYMAP && getChannel( material.anisotropyMap.channel ), + clearcoatMapUv: HAS_CLEARCOATMAP && getChannel( material.clearcoatMap.channel ), + clearcoatNormalMapUv: HAS_CLEARCOAT_NORMALMAP && getChannel( material.clearcoatNormalMap.channel ), + clearcoatRoughnessMapUv: HAS_CLEARCOAT_ROUGHNESSMAP && getChannel( material.clearcoatRoughnessMap.channel ), + iridescenceMapUv: HAS_IRIDESCENCEMAP && getChannel( material.iridescenceMap.channel ), + iridescenceThicknessMapUv: HAS_IRIDESCENCE_THICKNESSMAP && getChannel( material.iridescenceThicknessMap.channel ), + sheenColorMapUv: HAS_SHEEN_COLORMAP && getChannel( material.sheenColorMap.channel ), + sheenRoughnessMapUv: HAS_SHEEN_ROUGHNESSMAP && getChannel( material.sheenRoughnessMap.channel ), + specularMapUv: HAS_SPECULARMAP && getChannel( material.specularMap.channel ), + specularColorMapUv: HAS_SPECULAR_COLORMAP && getChannel( material.specularColorMap.channel ), + specularIntensityMapUv: HAS_SPECULAR_INTENSITYMAP && getChannel( material.specularIntensityMap.channel ), + transmissionMapUv: HAS_TRANSMISSIONMAP && getChannel( material.transmissionMap.channel ), + thicknessMapUv: HAS_THICKNESSMAP && getChannel( material.thicknessMap.channel ), + alphaMapUv: HAS_ALPHAMAP && getChannel( material.alphaMap.channel ), + vertexTangents: !! geometry.attributes.tangent && ( HAS_NORMALMAP || HAS_ANISOTROPY ), + vertexColors: material.vertexColors, + vertexAlphas: material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4, + pointsUvs: object.isPoints === true && !! geometry.attributes.uv && ( HAS_MAP || HAS_ALPHAMAP ), + fog: !! fog, + useFog: material.fog === true, + fogExp2: ( !! fog && fog.isFogExp2 ), + flatShading: ( material.flatShading === true && material.wireframe === false ), + sizeAttenuation: material.sizeAttenuation === true, + logarithmicDepthBuffer: logarithmicDepthBuffer, + reverseDepthBuffer: reverseDepthBuffer, + skinning: object.isSkinnedMesh === true, + morphTargets: geometry.morphAttributes.position !== undefined, + morphNormals: geometry.morphAttributes.normal !== undefined, + morphColors: geometry.morphAttributes.color !== undefined, + morphTargetsCount: morphTargetsCount, + morphTextureStride: morphTextureStride, + numDirLights: lights.directional.length, + numPointLights: lights.point.length, + numSpotLights: lights.spot.length, + numSpotLightMaps: lights.spotLightMap.length, + numRectAreaLights: lights.rectArea.length, + numHemiLights: lights.hemi.length, + numDirLightShadows: lights.directionalShadowMap.length, + numPointLightShadows: lights.pointShadowMap.length, + numSpotLightShadows: lights.spotShadowMap.length, + numSpotLightShadowsWithMaps: lights.numSpotLightShadowsWithMaps, + numLightProbes: lights.numLightProbes, + numClippingPlanes: clipping.numPlanes, + numClipIntersection: clipping.numIntersection, + dithering: material.dithering, + shadowMapEnabled: renderer.shadowMap.enabled && shadows.length > 0, + shadowMapType: renderer.shadowMap.type, + toneMapping: toneMapping, + decodeVideoTexture: HAS_MAP && ( material.map.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.map.colorSpace ) === SRGBTransfer ), + decodeVideoTextureEmissive: HAS_EMISSIVEMAP && ( material.emissiveMap.isVideoTexture === true ) && ( ColorManagement.getTransfer( material.emissiveMap.colorSpace ) === SRGBTransfer ), + premultipliedAlpha: material.premultipliedAlpha, + doubleSided: material.side === DoubleSide, + flipSided: material.side === BackSide, + useDepthPacking: material.depthPacking >= 0, + depthPacking: material.depthPacking || 0, + index0AttributeName: material.index0AttributeName, + extensionClipCullDistance: HAS_EXTENSIONS && material.extensions.clipCullDistance === true && extensions.has( 'WEBGL_clip_cull_distance' ), + extensionMultiDraw: ( HAS_EXTENSIONS && material.extensions.multiDraw === true || IS_BATCHEDMESH ) && extensions.has( 'WEBGL_multi_draw' ), + rendererExtensionParallelShaderCompile: extensions.has( 'KHR_parallel_shader_compile' ), + customProgramCacheKey: material.customProgramCacheKey() + }; + parameters.vertexUv1s = _activeChannels.has( 1 ); + parameters.vertexUv2s = _activeChannels.has( 2 ); + parameters.vertexUv3s = _activeChannels.has( 3 ); + _activeChannels.clear(); + return parameters; + } + function getProgramCacheKey( parameters ) { + const array = []; + if ( parameters.shaderID ) { + array.push( parameters.shaderID ); + } else { + array.push( parameters.customVertexShaderID ); + array.push( parameters.customFragmentShaderID ); + } + if ( parameters.defines !== undefined ) { + for ( const name in parameters.defines ) { + array.push( name ); + array.push( parameters.defines[ name ] ); + } + } + if ( parameters.isRawShaderMaterial === false ) { + getProgramCacheKeyParameters( array, parameters ); + getProgramCacheKeyBooleans( array, parameters ); + array.push( renderer.outputColorSpace ); + } + array.push( parameters.customProgramCacheKey ); + return array.join(); + } + function getProgramCacheKeyParameters( array, parameters ) { + array.push( parameters.precision ); + array.push( parameters.outputColorSpace ); + array.push( parameters.envMapMode ); + array.push( parameters.envMapCubeUVHeight ); + array.push( parameters.mapUv ); + array.push( parameters.alphaMapUv ); + array.push( parameters.lightMapUv ); + array.push( parameters.aoMapUv ); + array.push( parameters.bumpMapUv ); + array.push( parameters.normalMapUv ); + array.push( parameters.displacementMapUv ); + array.push( parameters.emissiveMapUv ); + array.push( parameters.metalnessMapUv ); + array.push( parameters.roughnessMapUv ); + array.push( parameters.anisotropyMapUv ); + array.push( parameters.clearcoatMapUv ); + array.push( parameters.clearcoatNormalMapUv ); + array.push( parameters.clearcoatRoughnessMapUv ); + array.push( parameters.iridescenceMapUv ); + array.push( parameters.iridescenceThicknessMapUv ); + array.push( parameters.sheenColorMapUv ); + array.push( parameters.sheenRoughnessMapUv ); + array.push( parameters.specularMapUv ); + array.push( parameters.specularColorMapUv ); + array.push( parameters.specularIntensityMapUv ); + array.push( parameters.transmissionMapUv ); + array.push( parameters.thicknessMapUv ); + array.push( parameters.combine ); + array.push( parameters.fogExp2 ); + array.push( parameters.sizeAttenuation ); + array.push( parameters.morphTargetsCount ); + array.push( parameters.morphAttributeCount ); + array.push( parameters.numDirLights ); + array.push( parameters.numPointLights ); + array.push( parameters.numSpotLights ); + array.push( parameters.numSpotLightMaps ); + array.push( parameters.numHemiLights ); + array.push( parameters.numRectAreaLights ); + array.push( parameters.numDirLightShadows ); + array.push( parameters.numPointLightShadows ); + array.push( parameters.numSpotLightShadows ); + array.push( parameters.numSpotLightShadowsWithMaps ); + array.push( parameters.numLightProbes ); + array.push( parameters.shadowMapType ); + array.push( parameters.toneMapping ); + array.push( parameters.numClippingPlanes ); + array.push( parameters.numClipIntersection ); + array.push( parameters.depthPacking ); + } + function getProgramCacheKeyBooleans( array, parameters ) { + _programLayers.disableAll(); + if ( parameters.supportsVertexTextures ) + _programLayers.enable( 0 ); + if ( parameters.instancing ) + _programLayers.enable( 1 ); + if ( parameters.instancingColor ) + _programLayers.enable( 2 ); + if ( parameters.instancingMorph ) + _programLayers.enable( 3 ); + if ( parameters.matcap ) + _programLayers.enable( 4 ); + if ( parameters.envMap ) + _programLayers.enable( 5 ); + if ( parameters.normalMapObjectSpace ) + _programLayers.enable( 6 ); + if ( parameters.normalMapTangentSpace ) + _programLayers.enable( 7 ); + if ( parameters.clearcoat ) + _programLayers.enable( 8 ); + if ( parameters.iridescence ) + _programLayers.enable( 9 ); + if ( parameters.alphaTest ) + _programLayers.enable( 10 ); + if ( parameters.vertexColors ) + _programLayers.enable( 11 ); + if ( parameters.vertexAlphas ) + _programLayers.enable( 12 ); + if ( parameters.vertexUv1s ) + _programLayers.enable( 13 ); + if ( parameters.vertexUv2s ) + _programLayers.enable( 14 ); + if ( parameters.vertexUv3s ) + _programLayers.enable( 15 ); + if ( parameters.vertexTangents ) + _programLayers.enable( 16 ); + if ( parameters.anisotropy ) + _programLayers.enable( 17 ); + if ( parameters.alphaHash ) + _programLayers.enable( 18 ); + if ( parameters.batching ) + _programLayers.enable( 19 ); + if ( parameters.dispersion ) + _programLayers.enable( 20 ); + if ( parameters.batchingColor ) + _programLayers.enable( 21 ); + if ( parameters.gradientMap ) + _programLayers.enable( 22 ); + array.push( _programLayers.mask ); + _programLayers.disableAll(); + if ( parameters.fog ) + _programLayers.enable( 0 ); + if ( parameters.useFog ) + _programLayers.enable( 1 ); + if ( parameters.flatShading ) + _programLayers.enable( 2 ); + if ( parameters.logarithmicDepthBuffer ) + _programLayers.enable( 3 ); + if ( parameters.reverseDepthBuffer ) + _programLayers.enable( 4 ); + if ( parameters.skinning ) + _programLayers.enable( 5 ); + if ( parameters.morphTargets ) + _programLayers.enable( 6 ); + if ( parameters.morphNormals ) + _programLayers.enable( 7 ); + if ( parameters.morphColors ) + _programLayers.enable( 8 ); + if ( parameters.premultipliedAlpha ) + _programLayers.enable( 9 ); + if ( parameters.shadowMapEnabled ) + _programLayers.enable( 10 ); + if ( parameters.doubleSided ) + _programLayers.enable( 11 ); + if ( parameters.flipSided ) + _programLayers.enable( 12 ); + if ( parameters.useDepthPacking ) + _programLayers.enable( 13 ); + if ( parameters.dithering ) + _programLayers.enable( 14 ); + if ( parameters.transmission ) + _programLayers.enable( 15 ); + if ( parameters.sheen ) + _programLayers.enable( 16 ); + if ( parameters.opaque ) + _programLayers.enable( 17 ); + if ( parameters.pointsUvs ) + _programLayers.enable( 18 ); + if ( parameters.decodeVideoTexture ) + _programLayers.enable( 19 ); + if ( parameters.decodeVideoTextureEmissive ) + _programLayers.enable( 20 ); + if ( parameters.alphaToCoverage ) + _programLayers.enable( 21 ); + array.push( _programLayers.mask ); + } + function getUniforms( material ) { + const shaderID = shaderIDs[ material.type ]; + let uniforms; + if ( shaderID ) { + const shader = ShaderLib[ shaderID ]; + uniforms = UniformsUtils.clone( shader.uniforms ); + } else { + uniforms = material.uniforms; + } + return uniforms; + } + function acquireProgram( parameters, cacheKey ) { + let program; + for ( let p = 0, pl = programs.length; p < pl; p ++ ) { + const preexistingProgram = programs[ p ]; + if ( preexistingProgram.cacheKey === cacheKey ) { + program = preexistingProgram; + ++ program.usedTimes; + break; + } + } + if ( program === undefined ) { + program = new WebGLProgram( renderer, cacheKey, parameters, bindingStates ); + programs.push( program ); + } + return program; + } + function releaseProgram( program ) { + if ( -- program.usedTimes === 0 ) { + const i = programs.indexOf( program ); + programs[ i ] = programs[ programs.length - 1 ]; + programs.pop(); + program.destroy(); + } + } + function releaseShaderCache( material ) { + _customShaders.remove( material ); + } + function dispose() { + _customShaders.dispose(); + } + return { + getParameters: getParameters, + getProgramCacheKey: getProgramCacheKey, + getUniforms: getUniforms, + acquireProgram: acquireProgram, + releaseProgram: releaseProgram, + releaseShaderCache: releaseShaderCache, + programs: programs, + dispose: dispose + }; + } + function WebGLProperties() { + let properties = new WeakMap(); + function has( object ) { + return properties.has( object ); + } + function get( object ) { + let map = properties.get( object ); + if ( map === undefined ) { + map = {}; + properties.set( object, map ); + } + return map; + } + function remove( object ) { + properties.delete( object ); + } + function update( object, key, value ) { + properties.get( object )[ key ] = value; + } + function dispose() { + properties = new WeakMap(); + } + return { + has: has, + get: get, + remove: remove, + update: update, + dispose: dispose + }; + } + function painterSortStable( a, b ) { + if ( a.groupOrder !== b.groupOrder ) { + return a.groupOrder - b.groupOrder; + } else if ( a.renderOrder !== b.renderOrder ) { + return a.renderOrder - b.renderOrder; + } else if ( a.material.id !== b.material.id ) { + return a.material.id - b.material.id; + } else if ( a.z !== b.z ) { + return a.z - b.z; + } else { + return a.id - b.id; + } + } + function reversePainterSortStable( a, b ) { + if ( a.groupOrder !== b.groupOrder ) { + return a.groupOrder - b.groupOrder; + } else if ( a.renderOrder !== b.renderOrder ) { + return a.renderOrder - b.renderOrder; + } else if ( a.z !== b.z ) { + return b.z - a.z; + } else { + return a.id - b.id; + } + } + function WebGLRenderList() { + const renderItems = []; + let renderItemsIndex = 0; + const opaque = []; + const transmissive = []; + const transparent = []; + function init() { + renderItemsIndex = 0; + opaque.length = 0; + transmissive.length = 0; + transparent.length = 0; + } + function getNextRenderItem( object, geometry, material, groupOrder, z, group ) { + let renderItem = renderItems[ renderItemsIndex ]; + if ( renderItem === undefined ) { + renderItem = { + id: object.id, + object: object, + geometry: geometry, + material: material, + groupOrder: groupOrder, + renderOrder: object.renderOrder, + z: z, + group: group + }; + renderItems[ renderItemsIndex ] = renderItem; + } else { + renderItem.id = object.id; + renderItem.object = object; + renderItem.geometry = geometry; + renderItem.material = material; + renderItem.groupOrder = groupOrder; + renderItem.renderOrder = object.renderOrder; + renderItem.z = z; + renderItem.group = group; + } + renderItemsIndex ++; + return renderItem; + } + function push( object, geometry, material, groupOrder, z, group ) { + const renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); + if ( material.transmission > 0.0 ) { + transmissive.push( renderItem ); + } else if ( material.transparent === true ) { + transparent.push( renderItem ); + } else { + opaque.push( renderItem ); + } + } + function unshift( object, geometry, material, groupOrder, z, group ) { + const renderItem = getNextRenderItem( object, geometry, material, groupOrder, z, group ); + if ( material.transmission > 0.0 ) { + transmissive.unshift( renderItem ); + } else if ( material.transparent === true ) { + transparent.unshift( renderItem ); + } else { + opaque.unshift( renderItem ); + } + } + function sort( customOpaqueSort, customTransparentSort ) { + if ( opaque.length > 1 ) opaque.sort( customOpaqueSort || painterSortStable ); + if ( transmissive.length > 1 ) transmissive.sort( customTransparentSort || reversePainterSortStable ); + if ( transparent.length > 1 ) transparent.sort( customTransparentSort || reversePainterSortStable ); + } + function finish() { + for ( let i = renderItemsIndex, il = renderItems.length; i < il; i ++ ) { + const renderItem = renderItems[ i ]; + if ( renderItem.id === null ) break; + renderItem.id = null; + renderItem.object = null; + renderItem.geometry = null; + renderItem.material = null; + renderItem.group = null; + } + } + return { + opaque: opaque, + transmissive: transmissive, + transparent: transparent, + init: init, + push: push, + unshift: unshift, + finish: finish, + sort: sort + }; + } + function WebGLRenderLists() { + let lists = new WeakMap(); + function get( scene, renderCallDepth ) { + const listArray = lists.get( scene ); + let list; + if ( listArray === undefined ) { + list = new WebGLRenderList(); + lists.set( scene, [ list ] ); + } else { + if ( renderCallDepth >= listArray.length ) { + list = new WebGLRenderList(); + listArray.push( list ); + } else { + list = listArray[ renderCallDepth ]; + } + } + return list; + } + function dispose() { + lists = new WeakMap(); + } + return { + get: get, + dispose: dispose + }; + } + function UniformsCache() { + const lights = {}; + return { + get: function ( light ) { + if ( lights[ light.id ] !== undefined ) { + return lights[ light.id ]; + } + let uniforms; + switch ( light.type ) { + case 'DirectionalLight': + uniforms = { + direction: new Vector3(), + color: new Color() + }; + break; + case 'SpotLight': + uniforms = { + position: new Vector3(), + direction: new Vector3(), + color: new Color(), + distance: 0, + coneCos: 0, + penumbraCos: 0, + decay: 0 + }; + break; + case 'PointLight': + uniforms = { + position: new Vector3(), + color: new Color(), + distance: 0, + decay: 0 + }; + break; + case 'HemisphereLight': + uniforms = { + direction: new Vector3(), + skyColor: new Color(), + groundColor: new Color() + }; + break; + case 'RectAreaLight': + uniforms = { + color: new Color(), + position: new Vector3(), + halfWidth: new Vector3(), + halfHeight: new Vector3() + }; + break; + } + lights[ light.id ] = uniforms; + return uniforms; + } + }; + } + function ShadowUniformsCache() { + const lights = {}; + return { + get: function ( light ) { + if ( lights[ light.id ] !== undefined ) { + return lights[ light.id ]; + } + let uniforms; + switch ( light.type ) { + case 'DirectionalLight': + uniforms = { + shadowIntensity: 1, + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + case 'SpotLight': + uniforms = { + shadowIntensity: 1, + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2() + }; + break; + case 'PointLight': + uniforms = { + shadowIntensity: 1, + shadowBias: 0, + shadowNormalBias: 0, + shadowRadius: 1, + shadowMapSize: new Vector2(), + shadowCameraNear: 1, + shadowCameraFar: 1000 + }; + break; + } + lights[ light.id ] = uniforms; + return uniforms; + } + }; + } + let nextVersion = 0; + function shadowCastingAndTexturingLightsFirst( lightA, lightB ) { + return ( lightB.castShadow ? 2 : 0 ) - ( lightA.castShadow ? 2 : 0 ) + ( lightB.map ? 1 : 0 ) - ( lightA.map ? 1 : 0 ); + } + function WebGLLights( extensions ) { + const cache = new UniformsCache(); + const shadowCache = ShadowUniformsCache(); + const state = { + version: 0, + hash: { + directionalLength: -1, + pointLength: -1, + spotLength: -1, + rectAreaLength: -1, + hemiLength: -1, + numDirectionalShadows: -1, + numPointShadows: -1, + numSpotShadows: -1, + numSpotMaps: -1, + numLightProbes: -1 + }, + ambient: [ 0, 0, 0 ], + probe: [], + directional: [], + directionalShadow: [], + directionalShadowMap: [], + directionalShadowMatrix: [], + spot: [], + spotLightMap: [], + spotShadow: [], + spotShadowMap: [], + spotLightMatrix: [], + rectArea: [], + rectAreaLTC1: null, + rectAreaLTC2: null, + point: [], + pointShadow: [], + pointShadowMap: [], + pointShadowMatrix: [], + hemi: [], + numSpotLightShadowsWithMaps: 0, + numLightProbes: 0 + }; + for ( let i = 0; i < 9; i ++ ) state.probe.push( new Vector3() ); + const vector3 = new Vector3(); + const matrix4 = new Matrix4(); + const matrix42 = new Matrix4(); + function setup( lights ) { + let r = 0, g = 0, b = 0; + for ( let i = 0; i < 9; i ++ ) state.probe[ i ].set( 0, 0, 0 ); + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + let numDirectionalShadows = 0; + let numPointShadows = 0; + let numSpotShadows = 0; + let numSpotMaps = 0; + let numSpotShadowsWithMaps = 0; + let numLightProbes = 0; + lights.sort( shadowCastingAndTexturingLightsFirst ); + for ( let i = 0, l = lights.length; i < l; i ++ ) { + const light = lights[ i ]; + const color = light.color; + const intensity = light.intensity; + const distance = light.distance; + const shadowMap = ( light.shadow && light.shadow.map ) ? light.shadow.map.texture : null; + if ( light.isAmbientLight ) { + r += color.r * intensity; + g += color.g * intensity; + b += color.b * intensity; + } else if ( light.isLightProbe ) { + for ( let j = 0; j < 9; j ++ ) { + state.probe[ j ].addScaledVector( light.sh.coefficients[ j ], intensity ); + } + numLightProbes ++; + } else if ( light.isDirectionalLight ) { + const uniforms = cache.get( light ); + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + if ( light.castShadow ) { + const shadow = light.shadow; + const shadowUniforms = shadowCache.get( light ); + shadowUniforms.shadowIntensity = shadow.intensity; + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + state.directionalShadow[ directionalLength ] = shadowUniforms; + state.directionalShadowMap[ directionalLength ] = shadowMap; + state.directionalShadowMatrix[ directionalLength ] = light.shadow.matrix; + numDirectionalShadows ++; + } + state.directional[ directionalLength ] = uniforms; + directionalLength ++; + } else if ( light.isSpotLight ) { + const uniforms = cache.get( light ); + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.color.copy( color ).multiplyScalar( intensity ); + uniforms.distance = distance; + uniforms.coneCos = Math.cos( light.angle ); + uniforms.penumbraCos = Math.cos( light.angle * ( 1 - light.penumbra ) ); + uniforms.decay = light.decay; + state.spot[ spotLength ] = uniforms; + const shadow = light.shadow; + if ( light.map ) { + state.spotLightMap[ numSpotMaps ] = light.map; + numSpotMaps ++; + shadow.updateMatrices( light ); + if ( light.castShadow ) numSpotShadowsWithMaps ++; + } + state.spotLightMatrix[ spotLength ] = shadow.matrix; + if ( light.castShadow ) { + const shadowUniforms = shadowCache.get( light ); + shadowUniforms.shadowIntensity = shadow.intensity; + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + state.spotShadow[ spotLength ] = shadowUniforms; + state.spotShadowMap[ spotLength ] = shadowMap; + numSpotShadows ++; + } + spotLength ++; + } else if ( light.isRectAreaLight ) { + const uniforms = cache.get( light ); + uniforms.color.copy( color ).multiplyScalar( intensity ); + uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 ); + uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 ); + state.rectArea[ rectAreaLength ] = uniforms; + rectAreaLength ++; + } else if ( light.isPointLight ) { + const uniforms = cache.get( light ); + uniforms.color.copy( light.color ).multiplyScalar( light.intensity ); + uniforms.distance = light.distance; + uniforms.decay = light.decay; + if ( light.castShadow ) { + const shadow = light.shadow; + const shadowUniforms = shadowCache.get( light ); + shadowUniforms.shadowIntensity = shadow.intensity; + shadowUniforms.shadowBias = shadow.bias; + shadowUniforms.shadowNormalBias = shadow.normalBias; + shadowUniforms.shadowRadius = shadow.radius; + shadowUniforms.shadowMapSize = shadow.mapSize; + shadowUniforms.shadowCameraNear = shadow.camera.near; + shadowUniforms.shadowCameraFar = shadow.camera.far; + state.pointShadow[ pointLength ] = shadowUniforms; + state.pointShadowMap[ pointLength ] = shadowMap; + state.pointShadowMatrix[ pointLength ] = light.shadow.matrix; + numPointShadows ++; + } + state.point[ pointLength ] = uniforms; + pointLength ++; + } else if ( light.isHemisphereLight ) { + const uniforms = cache.get( light ); + uniforms.skyColor.copy( light.color ).multiplyScalar( intensity ); + uniforms.groundColor.copy( light.groundColor ).multiplyScalar( intensity ); + state.hemi[ hemiLength ] = uniforms; + hemiLength ++; + } + } + if ( rectAreaLength > 0 ) { + if ( extensions.has( 'OES_texture_float_linear' ) === true ) { + state.rectAreaLTC1 = UniformsLib.LTC_FLOAT_1; + state.rectAreaLTC2 = UniformsLib.LTC_FLOAT_2; + } else { + state.rectAreaLTC1 = UniformsLib.LTC_HALF_1; + state.rectAreaLTC2 = UniformsLib.LTC_HALF_2; + } + } + state.ambient[ 0 ] = r; + state.ambient[ 1 ] = g; + state.ambient[ 2 ] = b; + const hash = state.hash; + if ( hash.directionalLength !== directionalLength || + hash.pointLength !== pointLength || + hash.spotLength !== spotLength || + hash.rectAreaLength !== rectAreaLength || + hash.hemiLength !== hemiLength || + hash.numDirectionalShadows !== numDirectionalShadows || + hash.numPointShadows !== numPointShadows || + hash.numSpotShadows !== numSpotShadows || + hash.numSpotMaps !== numSpotMaps || + hash.numLightProbes !== numLightProbes ) { + state.directional.length = directionalLength; + state.spot.length = spotLength; + state.rectArea.length = rectAreaLength; + state.point.length = pointLength; + state.hemi.length = hemiLength; + state.directionalShadow.length = numDirectionalShadows; + state.directionalShadowMap.length = numDirectionalShadows; + state.pointShadow.length = numPointShadows; + state.pointShadowMap.length = numPointShadows; + state.spotShadow.length = numSpotShadows; + state.spotShadowMap.length = numSpotShadows; + state.directionalShadowMatrix.length = numDirectionalShadows; + state.pointShadowMatrix.length = numPointShadows; + state.spotLightMatrix.length = numSpotShadows + numSpotMaps - numSpotShadowsWithMaps; + state.spotLightMap.length = numSpotMaps; + state.numSpotLightShadowsWithMaps = numSpotShadowsWithMaps; + state.numLightProbes = numLightProbes; + hash.directionalLength = directionalLength; + hash.pointLength = pointLength; + hash.spotLength = spotLength; + hash.rectAreaLength = rectAreaLength; + hash.hemiLength = hemiLength; + hash.numDirectionalShadows = numDirectionalShadows; + hash.numPointShadows = numPointShadows; + hash.numSpotShadows = numSpotShadows; + hash.numSpotMaps = numSpotMaps; + hash.numLightProbes = numLightProbes; + state.version = nextVersion ++; + } + } + function setupView( lights, camera ) { + let directionalLength = 0; + let pointLength = 0; + let spotLength = 0; + let rectAreaLength = 0; + let hemiLength = 0; + const viewMatrix = camera.matrixWorldInverse; + for ( let i = 0, l = lights.length; i < l; i ++ ) { + const light = lights[ i ]; + if ( light.isDirectionalLight ) { + const uniforms = state.directional[ directionalLength ]; + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + directionalLength ++; + } else if ( light.isSpotLight ) { + const uniforms = state.spot[ spotLength ]; + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + vector3.setFromMatrixPosition( light.target.matrixWorld ); + uniforms.direction.sub( vector3 ); + uniforms.direction.transformDirection( viewMatrix ); + spotLength ++; + } else if ( light.isRectAreaLight ) { + const uniforms = state.rectArea[ rectAreaLength ]; + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + matrix42.identity(); + matrix4.copy( light.matrixWorld ); + matrix4.premultiply( viewMatrix ); + matrix42.extractRotation( matrix4 ); + uniforms.halfWidth.set( light.width * 0.5, 0.0, 0.0 ); + uniforms.halfHeight.set( 0.0, light.height * 0.5, 0.0 ); + uniforms.halfWidth.applyMatrix4( matrix42 ); + uniforms.halfHeight.applyMatrix4( matrix42 ); + rectAreaLength ++; + } else if ( light.isPointLight ) { + const uniforms = state.point[ pointLength ]; + uniforms.position.setFromMatrixPosition( light.matrixWorld ); + uniforms.position.applyMatrix4( viewMatrix ); + pointLength ++; + } else if ( light.isHemisphereLight ) { + const uniforms = state.hemi[ hemiLength ]; + uniforms.direction.setFromMatrixPosition( light.matrixWorld ); + uniforms.direction.transformDirection( viewMatrix ); + hemiLength ++; + } + } + } + return { + setup: setup, + setupView: setupView, + state: state + }; + } + function WebGLRenderState( extensions ) { + const lights = new WebGLLights( extensions ); + const lightsArray = []; + const shadowsArray = []; + function init( camera ) { + state.camera = camera; + lightsArray.length = 0; + shadowsArray.length = 0; + } + function pushLight( light ) { + lightsArray.push( light ); + } + function pushShadow( shadowLight ) { + shadowsArray.push( shadowLight ); + } + function setupLights() { + lights.setup( lightsArray ); + } + function setupLightsView( camera ) { + lights.setupView( lightsArray, camera ); + } + const state = { + lightsArray: lightsArray, + shadowsArray: shadowsArray, + camera: null, + lights: lights, + transmissionRenderTarget: {} + }; + return { + init: init, + state: state, + setupLights: setupLights, + setupLightsView: setupLightsView, + pushLight: pushLight, + pushShadow: pushShadow + }; + } + function WebGLRenderStates( extensions ) { + let renderStates = new WeakMap(); + function get( scene, renderCallDepth = 0 ) { + const renderStateArray = renderStates.get( scene ); + let renderState; + if ( renderStateArray === undefined ) { + renderState = new WebGLRenderState( extensions ); + renderStates.set( scene, [ renderState ] ); + } else { + if ( renderCallDepth >= renderStateArray.length ) { + renderState = new WebGLRenderState( extensions ); + renderStateArray.push( renderState ); + } else { + renderState = renderStateArray[ renderCallDepth ]; + } + } + return renderState; + } + function dispose() { + renderStates = new WeakMap(); + } + return { + get: get, + dispose: dispose + }; + } + const vertex = "void main() {\n\tgl_Position = vec4( position, 1.0 );\n}"; + const fragment = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"; + function WebGLShadowMap( renderer, objects, capabilities ) { + let _frustum = new Frustum(); + const _shadowMapSize = new Vector2(), + _viewportSize = new Vector2(), + _viewport = new Vector4(), + _depthMaterial = new MeshDepthMaterial( { depthPacking: RGBADepthPacking } ), + _distanceMaterial = new MeshDistanceMaterial(), + _materialCache = {}, + _maxTextureSize = capabilities.maxTextureSize; + const shadowSide = { [ FrontSide ]: BackSide, [ BackSide ]: FrontSide, [ DoubleSide ]: DoubleSide }; + const shadowMaterialVertical = new ShaderMaterial( { + defines: { + VSM_SAMPLES: 8 + }, + uniforms: { + shadow_pass: { value: null }, + resolution: { value: new Vector2() }, + radius: { value: 4.0 } + }, + vertexShader: vertex, + fragmentShader: fragment + } ); + const shadowMaterialHorizontal = shadowMaterialVertical.clone(); + shadowMaterialHorizontal.defines.HORIZONTAL_PASS = 1; + const fullScreenTri = new BufferGeometry(); + fullScreenTri.setAttribute( + 'position', + new BufferAttribute( + new Float32Array( [ -1, -1, 0.5, 3, -1, 0.5, -1, 3, 0.5 ] ), + 3 + ) + ); + const fullScreenMesh = new Mesh( fullScreenTri, shadowMaterialVertical ); + const scope = this; + this.enabled = false; + this.autoUpdate = true; + this.needsUpdate = false; + this.type = PCFShadowMap; + let _previousType = this.type; + this.render = function ( lights, scene, camera ) { + if ( scope.enabled === false ) return; + if ( scope.autoUpdate === false && scope.needsUpdate === false ) return; + if ( lights.length === 0 ) return; + const currentRenderTarget = renderer.getRenderTarget(); + const activeCubeFace = renderer.getActiveCubeFace(); + const activeMipmapLevel = renderer.getActiveMipmapLevel(); + const _state = renderer.state; + _state.setBlending( NoBlending ); + _state.buffers.color.setClear( 1, 1, 1, 1 ); + _state.buffers.depth.setTest( true ); + _state.setScissorTest( false ); + const toVSM = ( _previousType !== VSMShadowMap && this.type === VSMShadowMap ); + const fromVSM = ( _previousType === VSMShadowMap && this.type !== VSMShadowMap ); + for ( let i = 0, il = lights.length; i < il; i ++ ) { + const light = lights[ i ]; + const shadow = light.shadow; + if ( shadow === undefined ) { + console.warn( 'THREE.WebGLShadowMap:', light, 'has no shadow.' ); + continue; + } + if ( shadow.autoUpdate === false && shadow.needsUpdate === false ) continue; + _shadowMapSize.copy( shadow.mapSize ); + const shadowFrameExtents = shadow.getFrameExtents(); + _shadowMapSize.multiply( shadowFrameExtents ); + _viewportSize.copy( shadow.mapSize ); + if ( _shadowMapSize.x > _maxTextureSize || _shadowMapSize.y > _maxTextureSize ) { + if ( _shadowMapSize.x > _maxTextureSize ) { + _viewportSize.x = Math.floor( _maxTextureSize / shadowFrameExtents.x ); + _shadowMapSize.x = _viewportSize.x * shadowFrameExtents.x; + shadow.mapSize.x = _viewportSize.x; + } + if ( _shadowMapSize.y > _maxTextureSize ) { + _viewportSize.y = Math.floor( _maxTextureSize / shadowFrameExtents.y ); + _shadowMapSize.y = _viewportSize.y * shadowFrameExtents.y; + shadow.mapSize.y = _viewportSize.y; + } + } + if ( shadow.map === null || toVSM === true || fromVSM === true ) { + const pars = ( this.type !== VSMShadowMap ) ? { minFilter: NearestFilter, magFilter: NearestFilter } : {}; + if ( shadow.map !== null ) { + shadow.map.dispose(); + } + shadow.map = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y, pars ); + shadow.map.texture.name = light.name + '.shadowMap'; + shadow.camera.updateProjectionMatrix(); + } + renderer.setRenderTarget( shadow.map ); + renderer.clear(); + const viewportCount = shadow.getViewportCount(); + for ( let vp = 0; vp < viewportCount; vp ++ ) { + const viewport = shadow.getViewport( vp ); + _viewport.set( + _viewportSize.x * viewport.x, + _viewportSize.y * viewport.y, + _viewportSize.x * viewport.z, + _viewportSize.y * viewport.w + ); + _state.viewport( _viewport ); + shadow.updateMatrices( light, vp ); + _frustum = shadow.getFrustum(); + renderObject( scene, camera, shadow.camera, light, this.type ); + } + if ( shadow.isPointLightShadow !== true && this.type === VSMShadowMap ) { + VSMPass( shadow, camera ); + } + shadow.needsUpdate = false; + } + _previousType = this.type; + scope.needsUpdate = false; + renderer.setRenderTarget( currentRenderTarget, activeCubeFace, activeMipmapLevel ); + }; + function VSMPass( shadow, camera ) { + const geometry = objects.update( fullScreenMesh ); + if ( shadowMaterialVertical.defines.VSM_SAMPLES !== shadow.blurSamples ) { + shadowMaterialVertical.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialHorizontal.defines.VSM_SAMPLES = shadow.blurSamples; + shadowMaterialVertical.needsUpdate = true; + shadowMaterialHorizontal.needsUpdate = true; + } + if ( shadow.mapPass === null ) { + shadow.mapPass = new WebGLRenderTarget( _shadowMapSize.x, _shadowMapSize.y ); + } + shadowMaterialVertical.uniforms.shadow_pass.value = shadow.map.texture; + shadowMaterialVertical.uniforms.resolution.value = shadow.mapSize; + shadowMaterialVertical.uniforms.radius.value = shadow.radius; + renderer.setRenderTarget( shadow.mapPass ); + renderer.clear(); + renderer.renderBufferDirect( camera, null, geometry, shadowMaterialVertical, fullScreenMesh, null ); + shadowMaterialHorizontal.uniforms.shadow_pass.value = shadow.mapPass.texture; + shadowMaterialHorizontal.uniforms.resolution.value = shadow.mapSize; + shadowMaterialHorizontal.uniforms.radius.value = shadow.radius; + renderer.setRenderTarget( shadow.map ); + renderer.clear(); + renderer.renderBufferDirect( camera, null, geometry, shadowMaterialHorizontal, fullScreenMesh, null ); + } + function getDepthMaterial( object, material, light, type ) { + let result = null; + const customMaterial = ( light.isPointLight === true ) ? object.customDistanceMaterial : object.customDepthMaterial; + if ( customMaterial !== undefined ) { + result = customMaterial; + } else { + result = ( light.isPointLight === true ) ? _distanceMaterial : _depthMaterial; + if ( ( renderer.localClippingEnabled && material.clipShadows === true && Array.isArray( material.clippingPlanes ) && material.clippingPlanes.length !== 0 ) || + ( material.displacementMap && material.displacementScale !== 0 ) || + ( material.alphaMap && material.alphaTest > 0 ) || + ( material.map && material.alphaTest > 0 ) || + ( material.alphaToCoverage === true ) ) { + const keyA = result.uuid, keyB = material.uuid; + let materialsForVariant = _materialCache[ keyA ]; + if ( materialsForVariant === undefined ) { + materialsForVariant = {}; + _materialCache[ keyA ] = materialsForVariant; + } + let cachedMaterial = materialsForVariant[ keyB ]; + if ( cachedMaterial === undefined ) { + cachedMaterial = result.clone(); + materialsForVariant[ keyB ] = cachedMaterial; + material.addEventListener( 'dispose', onMaterialDispose ); + } + result = cachedMaterial; + } + } + result.visible = material.visible; + result.wireframe = material.wireframe; + if ( type === VSMShadowMap ) { + result.side = ( material.shadowSide !== null ) ? material.shadowSide : material.side; + } else { + result.side = ( material.shadowSide !== null ) ? material.shadowSide : shadowSide[ material.side ]; + } + result.alphaMap = material.alphaMap; + result.alphaTest = ( material.alphaToCoverage === true ) ? 0.5 : material.alphaTest; + result.map = material.map; + result.clipShadows = material.clipShadows; + result.clippingPlanes = material.clippingPlanes; + result.clipIntersection = material.clipIntersection; + result.displacementMap = material.displacementMap; + result.displacementScale = material.displacementScale; + result.displacementBias = material.displacementBias; + result.wireframeLinewidth = material.wireframeLinewidth; + result.linewidth = material.linewidth; + if ( light.isPointLight === true && result.isMeshDistanceMaterial === true ) { + const materialProperties = renderer.properties.get( result ); + materialProperties.light = light; + } + return result; + } + function renderObject( object, camera, shadowCamera, light, type ) { + if ( object.visible === false ) return; + const visible = object.layers.test( camera.layers ); + if ( visible && ( object.isMesh || object.isLine || object.isPoints ) ) { + if ( ( object.castShadow || ( object.receiveShadow && type === VSMShadowMap ) ) && ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) ) { + object.modelViewMatrix.multiplyMatrices( shadowCamera.matrixWorldInverse, object.matrixWorld ); + const geometry = objects.update( object ); + const material = object.material; + if ( Array.isArray( material ) ) { + const groups = geometry.groups; + for ( let k = 0, kl = groups.length; k < kl; k ++ ) { + const group = groups[ k ]; + const groupMaterial = material[ group.materialIndex ]; + if ( groupMaterial && groupMaterial.visible ) { + const depthMaterial = getDepthMaterial( object, groupMaterial, light, type ); + object.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group ); + renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, group ); + object.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, group ); + } + } + } else if ( material.visible ) { + const depthMaterial = getDepthMaterial( object, material, light, type ); + object.onBeforeShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null ); + renderer.renderBufferDirect( shadowCamera, null, geometry, depthMaterial, object, null ); + object.onAfterShadow( renderer, object, camera, shadowCamera, geometry, depthMaterial, null ); + } + } + } + const children = object.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + renderObject( children[ i ], camera, shadowCamera, light, type ); + } + } + function onMaterialDispose( event ) { + const material = event.target; + material.removeEventListener( 'dispose', onMaterialDispose ); + for ( const id in _materialCache ) { + const cache = _materialCache[ id ]; + const uuid = event.target.uuid; + if ( uuid in cache ) { + const shadowMaterial = cache[ uuid ]; + shadowMaterial.dispose(); + delete cache[ uuid ]; + } + } + } + } + const reversedFuncs = { + [ NeverDepth ]: AlwaysDepth, + [ LessDepth ]: GreaterDepth, + [ EqualDepth ]: NotEqualDepth, + [ LessEqualDepth ]: GreaterEqualDepth, + [ AlwaysDepth ]: NeverDepth, + [ GreaterDepth ]: LessDepth, + [ NotEqualDepth ]: EqualDepth, + [ GreaterEqualDepth ]: LessEqualDepth, + }; + function WebGLState( gl, extensions ) { + function ColorBuffer() { + let locked = false; + const color = new Vector4(); + let currentColorMask = null; + const currentColorClear = new Vector4( 0, 0, 0, 0 ); + return { + setMask: function ( colorMask ) { + if ( currentColorMask !== colorMask && ! locked ) { + gl.colorMask( colorMask, colorMask, colorMask, colorMask ); + currentColorMask = colorMask; + } + }, + setLocked: function ( lock ) { + locked = lock; + }, + setClear: function ( r, g, b, a, premultipliedAlpha ) { + if ( premultipliedAlpha === true ) { + r *= a; g *= a; b *= a; + } + color.set( r, g, b, a ); + if ( currentColorClear.equals( color ) === false ) { + gl.clearColor( r, g, b, a ); + currentColorClear.copy( color ); + } + }, + reset: function () { + locked = false; + currentColorMask = null; + currentColorClear.set( -1, 0, 0, 0 ); + } + }; + } + function DepthBuffer() { + let locked = false; + let currentReversed = false; + let currentDepthMask = null; + let currentDepthFunc = null; + let currentDepthClear = null; + return { + setReversed: function ( reversed ) { + if ( currentReversed !== reversed ) { + const ext = extensions.get( 'EXT_clip_control' ); + if ( reversed ) { + ext.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT ); + } else { + ext.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT ); + } + currentReversed = reversed; + const oldDepth = currentDepthClear; + currentDepthClear = null; + this.setClear( oldDepth ); + } + }, + getReversed: function () { + return currentReversed; + }, + setTest: function ( depthTest ) { + if ( depthTest ) { + enable( gl.DEPTH_TEST ); + } else { + disable( gl.DEPTH_TEST ); + } + }, + setMask: function ( depthMask ) { + if ( currentDepthMask !== depthMask && ! locked ) { + gl.depthMask( depthMask ); + currentDepthMask = depthMask; + } + }, + setFunc: function ( depthFunc ) { + if ( currentReversed ) depthFunc = reversedFuncs[ depthFunc ]; + if ( currentDepthFunc !== depthFunc ) { + switch ( depthFunc ) { + case NeverDepth: + gl.depthFunc( gl.NEVER ); + break; + case AlwaysDepth: + gl.depthFunc( gl.ALWAYS ); + break; + case LessDepth: + gl.depthFunc( gl.LESS ); + break; + case LessEqualDepth: + gl.depthFunc( gl.LEQUAL ); + break; + case EqualDepth: + gl.depthFunc( gl.EQUAL ); + break; + case GreaterEqualDepth: + gl.depthFunc( gl.GEQUAL ); + break; + case GreaterDepth: + gl.depthFunc( gl.GREATER ); + break; + case NotEqualDepth: + gl.depthFunc( gl.NOTEQUAL ); + break; + default: + gl.depthFunc( gl.LEQUAL ); + } + currentDepthFunc = depthFunc; + } + }, + setLocked: function ( lock ) { + locked = lock; + }, + setClear: function ( depth ) { + if ( currentDepthClear !== depth ) { + if ( currentReversed ) { + depth = 1 - depth; + } + gl.clearDepth( depth ); + currentDepthClear = depth; + } + }, + reset: function () { + locked = false; + currentDepthMask = null; + currentDepthFunc = null; + currentDepthClear = null; + currentReversed = false; + } + }; + } + function StencilBuffer() { + let locked = false; + let currentStencilMask = null; + let currentStencilFunc = null; + let currentStencilRef = null; + let currentStencilFuncMask = null; + let currentStencilFail = null; + let currentStencilZFail = null; + let currentStencilZPass = null; + let currentStencilClear = null; + return { + setTest: function ( stencilTest ) { + if ( ! locked ) { + if ( stencilTest ) { + enable( gl.STENCIL_TEST ); + } else { + disable( gl.STENCIL_TEST ); + } + } + }, + setMask: function ( stencilMask ) { + if ( currentStencilMask !== stencilMask && ! locked ) { + gl.stencilMask( stencilMask ); + currentStencilMask = stencilMask; + } + }, + setFunc: function ( stencilFunc, stencilRef, stencilMask ) { + if ( currentStencilFunc !== stencilFunc || + currentStencilRef !== stencilRef || + currentStencilFuncMask !== stencilMask ) { + gl.stencilFunc( stencilFunc, stencilRef, stencilMask ); + currentStencilFunc = stencilFunc; + currentStencilRef = stencilRef; + currentStencilFuncMask = stencilMask; + } + }, + setOp: function ( stencilFail, stencilZFail, stencilZPass ) { + if ( currentStencilFail !== stencilFail || + currentStencilZFail !== stencilZFail || + currentStencilZPass !== stencilZPass ) { + gl.stencilOp( stencilFail, stencilZFail, stencilZPass ); + currentStencilFail = stencilFail; + currentStencilZFail = stencilZFail; + currentStencilZPass = stencilZPass; + } + }, + setLocked: function ( lock ) { + locked = lock; + }, + setClear: function ( stencil ) { + if ( currentStencilClear !== stencil ) { + gl.clearStencil( stencil ); + currentStencilClear = stencil; + } + }, + reset: function () { + locked = false; + currentStencilMask = null; + currentStencilFunc = null; + currentStencilRef = null; + currentStencilFuncMask = null; + currentStencilFail = null; + currentStencilZFail = null; + currentStencilZPass = null; + currentStencilClear = null; + } + }; + } + const colorBuffer = new ColorBuffer(); + const depthBuffer = new DepthBuffer(); + const stencilBuffer = new StencilBuffer(); + const uboBindings = new WeakMap(); + const uboProgramMap = new WeakMap(); + let enabledCapabilities = {}; + let currentBoundFramebuffers = {}; + let currentDrawbuffers = new WeakMap(); + let defaultDrawbuffers = []; + let currentProgram = null; + let currentBlendingEnabled = false; + let currentBlending = null; + let currentBlendEquation = null; + let currentBlendSrc = null; + let currentBlendDst = null; + let currentBlendEquationAlpha = null; + let currentBlendSrcAlpha = null; + let currentBlendDstAlpha = null; + let currentBlendColor = new Color( 0, 0, 0 ); + let currentBlendAlpha = 0; + let currentPremultipledAlpha = false; + let currentFlipSided = null; + let currentCullFace = null; + let currentLineWidth = null; + let currentPolygonOffsetFactor = null; + let currentPolygonOffsetUnits = null; + const maxTextures = gl.getParameter( gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS ); + let lineWidthAvailable = false; + let version = 0; + const glVersion = gl.getParameter( gl.VERSION ); + if ( glVersion.indexOf( 'WebGL' ) !== -1 ) { + version = parseFloat( /^WebGL (\d)/.exec( glVersion )[ 1 ] ); + lineWidthAvailable = ( version >= 1.0 ); + } else if ( glVersion.indexOf( 'OpenGL ES' ) !== -1 ) { + version = parseFloat( /^OpenGL ES (\d)/.exec( glVersion )[ 1 ] ); + lineWidthAvailable = ( version >= 2.0 ); + } + let currentTextureSlot = null; + let currentBoundTextures = {}; + const scissorParam = gl.getParameter( gl.SCISSOR_BOX ); + const viewportParam = gl.getParameter( gl.VIEWPORT ); + const currentScissor = new Vector4().fromArray( scissorParam ); + const currentViewport = new Vector4().fromArray( viewportParam ); + function createTexture( type, target, count, dimensions ) { + const data = new Uint8Array( 4 ); + const texture = gl.createTexture(); + gl.bindTexture( type, texture ); + gl.texParameteri( type, gl.TEXTURE_MIN_FILTER, gl.NEAREST ); + gl.texParameteri( type, gl.TEXTURE_MAG_FILTER, gl.NEAREST ); + for ( let i = 0; i < count; i ++ ) { + if ( type === gl.TEXTURE_3D || type === gl.TEXTURE_2D_ARRAY ) { + gl.texImage3D( target, 0, gl.RGBA, 1, 1, dimensions, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + } else { + gl.texImage2D( target + i, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, data ); + } + } + return texture; + } + const emptyTextures = {}; + emptyTextures[ gl.TEXTURE_2D ] = createTexture( gl.TEXTURE_2D, gl.TEXTURE_2D, 1 ); + emptyTextures[ gl.TEXTURE_CUBE_MAP ] = createTexture( gl.TEXTURE_CUBE_MAP, gl.TEXTURE_CUBE_MAP_POSITIVE_X, 6 ); + emptyTextures[ gl.TEXTURE_2D_ARRAY ] = createTexture( gl.TEXTURE_2D_ARRAY, gl.TEXTURE_2D_ARRAY, 1, 1 ); + emptyTextures[ gl.TEXTURE_3D ] = createTexture( gl.TEXTURE_3D, gl.TEXTURE_3D, 1, 1 ); + colorBuffer.setClear( 0, 0, 0, 1 ); + depthBuffer.setClear( 1 ); + stencilBuffer.setClear( 0 ); + enable( gl.DEPTH_TEST ); + depthBuffer.setFunc( LessEqualDepth ); + setFlipSided( false ); + setCullFace( CullFaceBack ); + enable( gl.CULL_FACE ); + setBlending( NoBlending ); + function enable( id ) { + if ( enabledCapabilities[ id ] !== true ) { + gl.enable( id ); + enabledCapabilities[ id ] = true; + } + } + function disable( id ) { + if ( enabledCapabilities[ id ] !== false ) { + gl.disable( id ); + enabledCapabilities[ id ] = false; + } + } + function bindFramebuffer( target, framebuffer ) { + if ( currentBoundFramebuffers[ target ] !== framebuffer ) { + gl.bindFramebuffer( target, framebuffer ); + currentBoundFramebuffers[ target ] = framebuffer; + if ( target === gl.DRAW_FRAMEBUFFER ) { + currentBoundFramebuffers[ gl.FRAMEBUFFER ] = framebuffer; + } + if ( target === gl.FRAMEBUFFER ) { + currentBoundFramebuffers[ gl.DRAW_FRAMEBUFFER ] = framebuffer; + } + return true; + } + return false; + } + function drawBuffers( renderTarget, framebuffer ) { + let drawBuffers = defaultDrawbuffers; + let needsUpdate = false; + if ( renderTarget ) { + drawBuffers = currentDrawbuffers.get( framebuffer ); + if ( drawBuffers === undefined ) { + drawBuffers = []; + currentDrawbuffers.set( framebuffer, drawBuffers ); + } + const textures = renderTarget.textures; + if ( drawBuffers.length !== textures.length || drawBuffers[ 0 ] !== gl.COLOR_ATTACHMENT0 ) { + for ( let i = 0, il = textures.length; i < il; i ++ ) { + drawBuffers[ i ] = gl.COLOR_ATTACHMENT0 + i; + } + drawBuffers.length = textures.length; + needsUpdate = true; + } + } else { + if ( drawBuffers[ 0 ] !== gl.BACK ) { + drawBuffers[ 0 ] = gl.BACK; + needsUpdate = true; + } + } + if ( needsUpdate ) { + gl.drawBuffers( drawBuffers ); + } + } + function useProgram( program ) { + if ( currentProgram !== program ) { + gl.useProgram( program ); + currentProgram = program; + return true; + } + return false; + } + const equationToGL = { + [ AddEquation ]: gl.FUNC_ADD, + [ SubtractEquation ]: gl.FUNC_SUBTRACT, + [ ReverseSubtractEquation ]: gl.FUNC_REVERSE_SUBTRACT + }; + equationToGL[ MinEquation ] = gl.MIN; + equationToGL[ MaxEquation ] = gl.MAX; + const factorToGL = { + [ ZeroFactor ]: gl.ZERO, + [ OneFactor ]: gl.ONE, + [ SrcColorFactor ]: gl.SRC_COLOR, + [ SrcAlphaFactor ]: gl.SRC_ALPHA, + [ SrcAlphaSaturateFactor ]: gl.SRC_ALPHA_SATURATE, + [ DstColorFactor ]: gl.DST_COLOR, + [ DstAlphaFactor ]: gl.DST_ALPHA, + [ OneMinusSrcColorFactor ]: gl.ONE_MINUS_SRC_COLOR, + [ OneMinusSrcAlphaFactor ]: gl.ONE_MINUS_SRC_ALPHA, + [ OneMinusDstColorFactor ]: gl.ONE_MINUS_DST_COLOR, + [ OneMinusDstAlphaFactor ]: gl.ONE_MINUS_DST_ALPHA, + [ ConstantColorFactor ]: gl.CONSTANT_COLOR, + [ OneMinusConstantColorFactor ]: gl.ONE_MINUS_CONSTANT_COLOR, + [ ConstantAlphaFactor ]: gl.CONSTANT_ALPHA, + [ OneMinusConstantAlphaFactor ]: gl.ONE_MINUS_CONSTANT_ALPHA + }; + function setBlending( blending, blendEquation, blendSrc, blendDst, blendEquationAlpha, blendSrcAlpha, blendDstAlpha, blendColor, blendAlpha, premultipliedAlpha ) { + if ( blending === NoBlending ) { + if ( currentBlendingEnabled === true ) { + disable( gl.BLEND ); + currentBlendingEnabled = false; + } + return; + } + if ( currentBlendingEnabled === false ) { + enable( gl.BLEND ); + currentBlendingEnabled = true; + } + if ( blending !== CustomBlending ) { + if ( blending !== currentBlending || premultipliedAlpha !== currentPremultipledAlpha ) { + if ( currentBlendEquation !== AddEquation || currentBlendEquationAlpha !== AddEquation ) { + gl.blendEquation( gl.FUNC_ADD ); + currentBlendEquation = AddEquation; + currentBlendEquationAlpha = AddEquation; + } + if ( premultipliedAlpha ) { + switch ( blending ) { + case NormalBlending: + gl.blendFuncSeparate( gl.ONE, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + break; + case AdditiveBlending: + gl.blendFunc( gl.ONE, gl.ONE ); + break; + case SubtractiveBlending: + gl.blendFuncSeparate( gl.ZERO, gl.ONE_MINUS_SRC_COLOR, gl.ZERO, gl.ONE ); + break; + case MultiplyBlending: + gl.blendFuncSeparate( gl.DST_COLOR, gl.ONE_MINUS_SRC_ALPHA, gl.ZERO, gl.ONE ); + break; + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + } + } else { + switch ( blending ) { + case NormalBlending: + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA ); + break; + case AdditiveBlending: + gl.blendFuncSeparate( gl.SRC_ALPHA, gl.ONE, gl.ONE, gl.ONE ); + break; + case SubtractiveBlending: + console.error( 'THREE.WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true' ); + break; + case MultiplyBlending: + console.error( 'THREE.WebGLState: MultiplyBlending requires material.premultipliedAlpha = true' ); + break; + default: + console.error( 'THREE.WebGLState: Invalid blending: ', blending ); + break; + } + } + currentBlendSrc = null; + currentBlendDst = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentBlendColor.set( 0, 0, 0 ); + currentBlendAlpha = 0; + currentBlending = blending; + currentPremultipledAlpha = premultipliedAlpha; + } + return; + } + blendEquationAlpha = blendEquationAlpha || blendEquation; + blendSrcAlpha = blendSrcAlpha || blendSrc; + blendDstAlpha = blendDstAlpha || blendDst; + if ( blendEquation !== currentBlendEquation || blendEquationAlpha !== currentBlendEquationAlpha ) { + gl.blendEquationSeparate( equationToGL[ blendEquation ], equationToGL[ blendEquationAlpha ] ); + currentBlendEquation = blendEquation; + currentBlendEquationAlpha = blendEquationAlpha; + } + if ( blendSrc !== currentBlendSrc || blendDst !== currentBlendDst || blendSrcAlpha !== currentBlendSrcAlpha || blendDstAlpha !== currentBlendDstAlpha ) { + gl.blendFuncSeparate( factorToGL[ blendSrc ], factorToGL[ blendDst ], factorToGL[ blendSrcAlpha ], factorToGL[ blendDstAlpha ] ); + currentBlendSrc = blendSrc; + currentBlendDst = blendDst; + currentBlendSrcAlpha = blendSrcAlpha; + currentBlendDstAlpha = blendDstAlpha; + } + if ( blendColor.equals( currentBlendColor ) === false || blendAlpha !== currentBlendAlpha ) { + gl.blendColor( blendColor.r, blendColor.g, blendColor.b, blendAlpha ); + currentBlendColor.copy( blendColor ); + currentBlendAlpha = blendAlpha; + } + currentBlending = blending; + currentPremultipledAlpha = false; + } + function setMaterial( material, frontFaceCW ) { + material.side === DoubleSide + ? disable( gl.CULL_FACE ) + : enable( gl.CULL_FACE ); + let flipSided = ( material.side === BackSide ); + if ( frontFaceCW ) flipSided = ! flipSided; + setFlipSided( flipSided ); + ( material.blending === NormalBlending && material.transparent === false ) + ? setBlending( NoBlending ) + : setBlending( material.blending, material.blendEquation, material.blendSrc, material.blendDst, material.blendEquationAlpha, material.blendSrcAlpha, material.blendDstAlpha, material.blendColor, material.blendAlpha, material.premultipliedAlpha ); + depthBuffer.setFunc( material.depthFunc ); + depthBuffer.setTest( material.depthTest ); + depthBuffer.setMask( material.depthWrite ); + colorBuffer.setMask( material.colorWrite ); + const stencilWrite = material.stencilWrite; + stencilBuffer.setTest( stencilWrite ); + if ( stencilWrite ) { + stencilBuffer.setMask( material.stencilWriteMask ); + stencilBuffer.setFunc( material.stencilFunc, material.stencilRef, material.stencilFuncMask ); + stencilBuffer.setOp( material.stencilFail, material.stencilZFail, material.stencilZPass ); + } + setPolygonOffset( material.polygonOffset, material.polygonOffsetFactor, material.polygonOffsetUnits ); + material.alphaToCoverage === true + ? enable( gl.SAMPLE_ALPHA_TO_COVERAGE ) + : disable( gl.SAMPLE_ALPHA_TO_COVERAGE ); + } + function setFlipSided( flipSided ) { + if ( currentFlipSided !== flipSided ) { + if ( flipSided ) { + gl.frontFace( gl.CW ); + } else { + gl.frontFace( gl.CCW ); + } + currentFlipSided = flipSided; + } + } + function setCullFace( cullFace ) { + if ( cullFace !== CullFaceNone ) { + enable( gl.CULL_FACE ); + if ( cullFace !== currentCullFace ) { + if ( cullFace === CullFaceBack ) { + gl.cullFace( gl.BACK ); + } else if ( cullFace === CullFaceFront ) { + gl.cullFace( gl.FRONT ); + } else { + gl.cullFace( gl.FRONT_AND_BACK ); + } + } + } else { + disable( gl.CULL_FACE ); + } + currentCullFace = cullFace; + } + function setLineWidth( width ) { + if ( width !== currentLineWidth ) { + if ( lineWidthAvailable ) gl.lineWidth( width ); + currentLineWidth = width; + } + } + function setPolygonOffset( polygonOffset, factor, units ) { + if ( polygonOffset ) { + enable( gl.POLYGON_OFFSET_FILL ); + if ( currentPolygonOffsetFactor !== factor || currentPolygonOffsetUnits !== units ) { + gl.polygonOffset( factor, units ); + currentPolygonOffsetFactor = factor; + currentPolygonOffsetUnits = units; + } + } else { + disable( gl.POLYGON_OFFSET_FILL ); + } + } + function setScissorTest( scissorTest ) { + if ( scissorTest ) { + enable( gl.SCISSOR_TEST ); + } else { + disable( gl.SCISSOR_TEST ); + } + } + function activeTexture( webglSlot ) { + if ( webglSlot === undefined ) webglSlot = gl.TEXTURE0 + maxTextures - 1; + if ( currentTextureSlot !== webglSlot ) { + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; + } + } + function bindTexture( webglType, webglTexture, webglSlot ) { + if ( webglSlot === undefined ) { + if ( currentTextureSlot === null ) { + webglSlot = gl.TEXTURE0 + maxTextures - 1; + } else { + webglSlot = currentTextureSlot; + } + } + let boundTexture = currentBoundTextures[ webglSlot ]; + if ( boundTexture === undefined ) { + boundTexture = { type: undefined, texture: undefined }; + currentBoundTextures[ webglSlot ] = boundTexture; + } + if ( boundTexture.type !== webglType || boundTexture.texture !== webglTexture ) { + if ( currentTextureSlot !== webglSlot ) { + gl.activeTexture( webglSlot ); + currentTextureSlot = webglSlot; + } + gl.bindTexture( webglType, webglTexture || emptyTextures[ webglType ] ); + boundTexture.type = webglType; + boundTexture.texture = webglTexture; + } + } + function unbindTexture() { + const boundTexture = currentBoundTextures[ currentTextureSlot ]; + if ( boundTexture !== undefined && boundTexture.type !== undefined ) { + gl.bindTexture( boundTexture.type, null ); + boundTexture.type = undefined; + boundTexture.texture = undefined; + } + } + function compressedTexImage2D() { + try { + gl.compressedTexImage2D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function compressedTexImage3D() { + try { + gl.compressedTexImage3D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function texSubImage2D() { + try { + gl.texSubImage2D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function texSubImage3D() { + try { + gl.texSubImage3D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function compressedTexSubImage2D() { + try { + gl.compressedTexSubImage2D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function compressedTexSubImage3D() { + try { + gl.compressedTexSubImage3D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function texStorage2D() { + try { + gl.texStorage2D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function texStorage3D() { + try { + gl.texStorage3D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function texImage2D() { + try { + gl.texImage2D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function texImage3D() { + try { + gl.texImage3D( ...arguments ); + } catch ( error ) { + console.error( 'THREE.WebGLState:', error ); + } + } + function scissor( scissor ) { + if ( currentScissor.equals( scissor ) === false ) { + gl.scissor( scissor.x, scissor.y, scissor.z, scissor.w ); + currentScissor.copy( scissor ); + } + } + function viewport( viewport ) { + if ( currentViewport.equals( viewport ) === false ) { + gl.viewport( viewport.x, viewport.y, viewport.z, viewport.w ); + currentViewport.copy( viewport ); + } + } + function updateUBOMapping( uniformsGroup, program ) { + let mapping = uboProgramMap.get( program ); + if ( mapping === undefined ) { + mapping = new WeakMap(); + uboProgramMap.set( program, mapping ); + } + let blockIndex = mapping.get( uniformsGroup ); + if ( blockIndex === undefined ) { + blockIndex = gl.getUniformBlockIndex( program, uniformsGroup.name ); + mapping.set( uniformsGroup, blockIndex ); + } + } + function uniformBlockBinding( uniformsGroup, program ) { + const mapping = uboProgramMap.get( program ); + const blockIndex = mapping.get( uniformsGroup ); + if ( uboBindings.get( program ) !== blockIndex ) { + gl.uniformBlockBinding( program, blockIndex, uniformsGroup.__bindingPointIndex ); + uboBindings.set( program, blockIndex ); + } + } + function reset() { + gl.disable( gl.BLEND ); + gl.disable( gl.CULL_FACE ); + gl.disable( gl.DEPTH_TEST ); + gl.disable( gl.POLYGON_OFFSET_FILL ); + gl.disable( gl.SCISSOR_TEST ); + gl.disable( gl.STENCIL_TEST ); + gl.disable( gl.SAMPLE_ALPHA_TO_COVERAGE ); + gl.blendEquation( gl.FUNC_ADD ); + gl.blendFunc( gl.ONE, gl.ZERO ); + gl.blendFuncSeparate( gl.ONE, gl.ZERO, gl.ONE, gl.ZERO ); + gl.blendColor( 0, 0, 0, 0 ); + gl.colorMask( true, true, true, true ); + gl.clearColor( 0, 0, 0, 0 ); + gl.depthMask( true ); + gl.depthFunc( gl.LESS ); + depthBuffer.setReversed( false ); + gl.clearDepth( 1 ); + gl.stencilMask( 0xffffffff ); + gl.stencilFunc( gl.ALWAYS, 0, 0xffffffff ); + gl.stencilOp( gl.KEEP, gl.KEEP, gl.KEEP ); + gl.clearStencil( 0 ); + gl.cullFace( gl.BACK ); + gl.frontFace( gl.CCW ); + gl.polygonOffset( 0, 0 ); + gl.activeTexture( gl.TEXTURE0 ); + gl.bindFramebuffer( gl.FRAMEBUFFER, null ); + gl.bindFramebuffer( gl.DRAW_FRAMEBUFFER, null ); + gl.bindFramebuffer( gl.READ_FRAMEBUFFER, null ); + gl.useProgram( null ); + gl.lineWidth( 1 ); + gl.scissor( 0, 0, gl.canvas.width, gl.canvas.height ); + gl.viewport( 0, 0, gl.canvas.width, gl.canvas.height ); + enabledCapabilities = {}; + currentTextureSlot = null; + currentBoundTextures = {}; + currentBoundFramebuffers = {}; + currentDrawbuffers = new WeakMap(); + defaultDrawbuffers = []; + currentProgram = null; + currentBlendingEnabled = false; + currentBlending = null; + currentBlendEquation = null; + currentBlendSrc = null; + currentBlendDst = null; + currentBlendEquationAlpha = null; + currentBlendSrcAlpha = null; + currentBlendDstAlpha = null; + currentBlendColor = new Color( 0, 0, 0 ); + currentBlendAlpha = 0; + currentPremultipledAlpha = false; + currentFlipSided = null; + currentCullFace = null; + currentLineWidth = null; + currentPolygonOffsetFactor = null; + currentPolygonOffsetUnits = null; + currentScissor.set( 0, 0, gl.canvas.width, gl.canvas.height ); + currentViewport.set( 0, 0, gl.canvas.width, gl.canvas.height ); + colorBuffer.reset(); + depthBuffer.reset(); + stencilBuffer.reset(); + } + return { + buffers: { + color: colorBuffer, + depth: depthBuffer, + stencil: stencilBuffer + }, + enable: enable, + disable: disable, + bindFramebuffer: bindFramebuffer, + drawBuffers: drawBuffers, + useProgram: useProgram, + setBlending: setBlending, + setMaterial: setMaterial, + setFlipSided: setFlipSided, + setCullFace: setCullFace, + setLineWidth: setLineWidth, + setPolygonOffset: setPolygonOffset, + setScissorTest: setScissorTest, + activeTexture: activeTexture, + bindTexture: bindTexture, + unbindTexture: unbindTexture, + compressedTexImage2D: compressedTexImage2D, + compressedTexImage3D: compressedTexImage3D, + texImage2D: texImage2D, + texImage3D: texImage3D, + updateUBOMapping: updateUBOMapping, + uniformBlockBinding: uniformBlockBinding, + texStorage2D: texStorage2D, + texStorage3D: texStorage3D, + texSubImage2D: texSubImage2D, + texSubImage3D: texSubImage3D, + compressedTexSubImage2D: compressedTexSubImage2D, + compressedTexSubImage3D: compressedTexSubImage3D, + scissor: scissor, + viewport: viewport, + reset: reset + }; + } + function WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ) { + const multisampledRTTExt = extensions.has( 'WEBGL_multisampled_render_to_texture' ) ? extensions.get( 'WEBGL_multisampled_render_to_texture' ) : null; + const supportsInvalidateFramebuffer = typeof navigator === 'undefined' ? false : /OculusBrowser/g.test( navigator.userAgent ); + const _imageDimensions = new Vector2(); + const _videoTextures = new WeakMap(); + let _canvas; + const _sources = new WeakMap(); + let useOffscreenCanvas = false; + try { + useOffscreenCanvas = typeof OffscreenCanvas !== 'undefined' + && ( new OffscreenCanvas( 1, 1 ).getContext( '2d' ) ) !== null; + } catch ( err ) { + } + function createCanvas( width, height ) { + return useOffscreenCanvas ? + new OffscreenCanvas( width, height ) : createElementNS( 'canvas' ); + } + function resizeImage( image, needsNewCanvas, maxSize ) { + let scale = 1; + const dimensions = getDimensions( image ); + if ( dimensions.width > maxSize || dimensions.height > maxSize ) { + scale = maxSize / Math.max( dimensions.width, dimensions.height ); + } + if ( scale < 1 ) { + if ( ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) || + ( typeof HTMLCanvasElement !== 'undefined' && image instanceof HTMLCanvasElement ) || + ( typeof ImageBitmap !== 'undefined' && image instanceof ImageBitmap ) || + ( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) ) { + const width = Math.floor( scale * dimensions.width ); + const height = Math.floor( scale * dimensions.height ); + if ( _canvas === undefined ) _canvas = createCanvas( width, height ); + const canvas = needsNewCanvas ? createCanvas( width, height ) : _canvas; + canvas.width = width; + canvas.height = height; + const context = canvas.getContext( '2d' ); + context.drawImage( image, 0, 0, width, height ); + console.warn( 'THREE.WebGLRenderer: Texture has been resized from (' + dimensions.width + 'x' + dimensions.height + ') to (' + width + 'x' + height + ').' ); + return canvas; + } else { + if ( 'data' in image ) { + console.warn( 'THREE.WebGLRenderer: Image in DataTexture is too big (' + dimensions.width + 'x' + dimensions.height + ').' ); + } + return image; + } + } + return image; + } + function textureNeedsGenerateMipmaps( texture ) { + return texture.generateMipmaps; + } + function generateMipmap( target ) { + _gl.generateMipmap( target ); + } + function getTargetType( texture ) { + if ( texture.isWebGLCubeRenderTarget ) return _gl.TEXTURE_CUBE_MAP; + if ( texture.isWebGL3DRenderTarget ) return _gl.TEXTURE_3D; + if ( texture.isWebGLArrayRenderTarget || texture.isCompressedArrayTexture ) return _gl.TEXTURE_2D_ARRAY; + return _gl.TEXTURE_2D; + } + function getInternalFormat( internalFormatName, glFormat, glType, colorSpace, forceLinearTransfer = false ) { + if ( internalFormatName !== null ) { + if ( _gl[ internalFormatName ] !== undefined ) return _gl[ internalFormatName ]; + console.warn( 'THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format \'' + internalFormatName + '\'' ); + } + let internalFormat = glFormat; + if ( glFormat === _gl.RED ) { + if ( glType === _gl.FLOAT ) internalFormat = _gl.R32F; + if ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.R16F; + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8; + } + if ( glFormat === _gl.RED_INTEGER ) { + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.R8UI; + if ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.R16UI; + if ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.R32UI; + if ( glType === _gl.BYTE ) internalFormat = _gl.R8I; + if ( glType === _gl.SHORT ) internalFormat = _gl.R16I; + if ( glType === _gl.INT ) internalFormat = _gl.R32I; + } + if ( glFormat === _gl.RG ) { + if ( glType === _gl.FLOAT ) internalFormat = _gl.RG32F; + if ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RG16F; + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8; + } + if ( glFormat === _gl.RG_INTEGER ) { + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RG8UI; + if ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RG16UI; + if ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RG32UI; + if ( glType === _gl.BYTE ) internalFormat = _gl.RG8I; + if ( glType === _gl.SHORT ) internalFormat = _gl.RG16I; + if ( glType === _gl.INT ) internalFormat = _gl.RG32I; + } + if ( glFormat === _gl.RGB_INTEGER ) { + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGB8UI; + if ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGB16UI; + if ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGB32UI; + if ( glType === _gl.BYTE ) internalFormat = _gl.RGB8I; + if ( glType === _gl.SHORT ) internalFormat = _gl.RGB16I; + if ( glType === _gl.INT ) internalFormat = _gl.RGB32I; + } + if ( glFormat === _gl.RGBA_INTEGER ) { + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = _gl.RGBA8UI; + if ( glType === _gl.UNSIGNED_SHORT ) internalFormat = _gl.RGBA16UI; + if ( glType === _gl.UNSIGNED_INT ) internalFormat = _gl.RGBA32UI; + if ( glType === _gl.BYTE ) internalFormat = _gl.RGBA8I; + if ( glType === _gl.SHORT ) internalFormat = _gl.RGBA16I; + if ( glType === _gl.INT ) internalFormat = _gl.RGBA32I; + } + if ( glFormat === _gl.RGB ) { + if ( glType === _gl.UNSIGNED_INT_5_9_9_9_REV ) internalFormat = _gl.RGB9_E5; + } + if ( glFormat === _gl.RGBA ) { + const transfer = forceLinearTransfer ? LinearTransfer : ColorManagement.getTransfer( colorSpace ); + if ( glType === _gl.FLOAT ) internalFormat = _gl.RGBA32F; + if ( glType === _gl.HALF_FLOAT ) internalFormat = _gl.RGBA16F; + if ( glType === _gl.UNSIGNED_BYTE ) internalFormat = ( transfer === SRGBTransfer ) ? _gl.SRGB8_ALPHA8 : _gl.RGBA8; + if ( glType === _gl.UNSIGNED_SHORT_4_4_4_4 ) internalFormat = _gl.RGBA4; + if ( glType === _gl.UNSIGNED_SHORT_5_5_5_1 ) internalFormat = _gl.RGB5_A1; + } + if ( internalFormat === _gl.R16F || internalFormat === _gl.R32F || + internalFormat === _gl.RG16F || internalFormat === _gl.RG32F || + internalFormat === _gl.RGBA16F || internalFormat === _gl.RGBA32F ) { + extensions.get( 'EXT_color_buffer_float' ); + } + return internalFormat; + } + function getInternalDepthFormat( useStencil, depthType ) { + let glInternalFormat; + if ( useStencil ) { + if ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) { + glInternalFormat = _gl.DEPTH24_STENCIL8; + } else if ( depthType === FloatType ) { + glInternalFormat = _gl.DEPTH32F_STENCIL8; + } else if ( depthType === UnsignedShortType ) { + glInternalFormat = _gl.DEPTH24_STENCIL8; + console.warn( 'DepthTexture: 16 bit depth attachment is not supported with stencil. Using 24-bit attachment.' ); + } + } else { + if ( depthType === null || depthType === UnsignedIntType || depthType === UnsignedInt248Type ) { + glInternalFormat = _gl.DEPTH_COMPONENT24; + } else if ( depthType === FloatType ) { + glInternalFormat = _gl.DEPTH_COMPONENT32F; + } else if ( depthType === UnsignedShortType ) { + glInternalFormat = _gl.DEPTH_COMPONENT16; + } + } + return glInternalFormat; + } + function getMipLevels( texture, image ) { + if ( textureNeedsGenerateMipmaps( texture ) === true || ( texture.isFramebufferTexture && texture.minFilter !== NearestFilter && texture.minFilter !== LinearFilter ) ) { + return Math.log2( Math.max( image.width, image.height ) ) + 1; + } else if ( texture.mipmaps !== undefined && texture.mipmaps.length > 0 ) { + return texture.mipmaps.length; + } else if ( texture.isCompressedTexture && Array.isArray( texture.image ) ) { + return image.mipmaps.length; + } else { + return 1; + } + } + function onTextureDispose( event ) { + const texture = event.target; + texture.removeEventListener( 'dispose', onTextureDispose ); + deallocateTexture( texture ); + if ( texture.isVideoTexture ) { + _videoTextures.delete( texture ); + } + } + function onRenderTargetDispose( event ) { + const renderTarget = event.target; + renderTarget.removeEventListener( 'dispose', onRenderTargetDispose ); + deallocateRenderTarget( renderTarget ); + } + function deallocateTexture( texture ) { + const textureProperties = properties.get( texture ); + if ( textureProperties.__webglInit === undefined ) return; + const source = texture.source; + const webglTextures = _sources.get( source ); + if ( webglTextures ) { + const webglTexture = webglTextures[ textureProperties.__cacheKey ]; + webglTexture.usedTimes --; + if ( webglTexture.usedTimes === 0 ) { + deleteTexture( texture ); + } + if ( Object.keys( webglTextures ).length === 0 ) { + _sources.delete( source ); + } + } + properties.remove( texture ); + } + function deleteTexture( texture ) { + const textureProperties = properties.get( texture ); + _gl.deleteTexture( textureProperties.__webglTexture ); + const source = texture.source; + const webglTextures = _sources.get( source ); + delete webglTextures[ textureProperties.__cacheKey ]; + info.memory.textures --; + } + function deallocateRenderTarget( renderTarget ) { + const renderTargetProperties = properties.get( renderTarget ); + if ( renderTarget.depthTexture ) { + renderTarget.depthTexture.dispose(); + properties.remove( renderTarget.depthTexture ); + } + if ( renderTarget.isWebGLCubeRenderTarget ) { + for ( let i = 0; i < 6; i ++ ) { + if ( Array.isArray( renderTargetProperties.__webglFramebuffer[ i ] ) ) { + for ( let level = 0; level < renderTargetProperties.__webglFramebuffer[ i ].length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ][ level ] ); + } else { + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ i ] ); + } + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer[ i ] ); + } + } else { + if ( Array.isArray( renderTargetProperties.__webglFramebuffer ) ) { + for ( let level = 0; level < renderTargetProperties.__webglFramebuffer.length; level ++ ) _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer[ level ] ); + } else { + _gl.deleteFramebuffer( renderTargetProperties.__webglFramebuffer ); + } + if ( renderTargetProperties.__webglDepthbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthbuffer ); + if ( renderTargetProperties.__webglMultisampledFramebuffer ) _gl.deleteFramebuffer( renderTargetProperties.__webglMultisampledFramebuffer ); + if ( renderTargetProperties.__webglColorRenderbuffer ) { + for ( let i = 0; i < renderTargetProperties.__webglColorRenderbuffer.length; i ++ ) { + if ( renderTargetProperties.__webglColorRenderbuffer[ i ] ) _gl.deleteRenderbuffer( renderTargetProperties.__webglColorRenderbuffer[ i ] ); + } + } + if ( renderTargetProperties.__webglDepthRenderbuffer ) _gl.deleteRenderbuffer( renderTargetProperties.__webglDepthRenderbuffer ); + } + const textures = renderTarget.textures; + for ( let i = 0, il = textures.length; i < il; i ++ ) { + const attachmentProperties = properties.get( textures[ i ] ); + if ( attachmentProperties.__webglTexture ) { + _gl.deleteTexture( attachmentProperties.__webglTexture ); + info.memory.textures --; + } + properties.remove( textures[ i ] ); + } + properties.remove( renderTarget ); + } + let textureUnits = 0; + function resetTextureUnits() { + textureUnits = 0; + } + function allocateTextureUnit() { + const textureUnit = textureUnits; + if ( textureUnit >= capabilities.maxTextures ) { + console.warn( 'THREE.WebGLTextures: Trying to use ' + textureUnit + ' texture units while this GPU supports only ' + capabilities.maxTextures ); + } + textureUnits += 1; + return textureUnit; + } + function getTextureCacheKey( texture ) { + const array = []; + array.push( texture.wrapS ); + array.push( texture.wrapT ); + array.push( texture.wrapR || 0 ); + array.push( texture.magFilter ); + array.push( texture.minFilter ); + array.push( texture.anisotropy ); + array.push( texture.internalFormat ); + array.push( texture.format ); + array.push( texture.type ); + array.push( texture.generateMipmaps ); + array.push( texture.premultiplyAlpha ); + array.push( texture.flipY ); + array.push( texture.unpackAlignment ); + array.push( texture.colorSpace ); + return array.join(); + } + function setTexture2D( texture, slot ) { + const textureProperties = properties.get( texture ); + if ( texture.isVideoTexture ) updateVideoTexture( texture ); + if ( texture.isRenderTargetTexture === false && texture.version > 0 && textureProperties.__version !== texture.version ) { + const image = texture.image; + if ( image === null ) { + console.warn( 'THREE.WebGLRenderer: Texture marked for update but no image data found.' ); + } else if ( image.complete === false ) { + console.warn( 'THREE.WebGLRenderer: Texture marked for update but image is incomplete' ); + } else { + uploadTexture( textureProperties, texture, slot ); + return; + } + } + state.bindTexture( _gl.TEXTURE_2D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot ); + } + function setTexture2DArray( texture, slot ) { + const textureProperties = properties.get( texture ); + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + uploadTexture( textureProperties, texture, slot ); + return; + } + state.bindTexture( _gl.TEXTURE_2D_ARRAY, textureProperties.__webglTexture, _gl.TEXTURE0 + slot ); + } + function setTexture3D( texture, slot ) { + const textureProperties = properties.get( texture ); + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + uploadTexture( textureProperties, texture, slot ); + return; + } + state.bindTexture( _gl.TEXTURE_3D, textureProperties.__webglTexture, _gl.TEXTURE0 + slot ); + } + function setTextureCube( texture, slot ) { + const textureProperties = properties.get( texture ); + if ( texture.version > 0 && textureProperties.__version !== texture.version ) { + uploadCubeTexture( textureProperties, texture, slot ); + return; + } + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot ); + } + const wrappingToGL = { + [ RepeatWrapping ]: _gl.REPEAT, + [ ClampToEdgeWrapping ]: _gl.CLAMP_TO_EDGE, + [ MirroredRepeatWrapping ]: _gl.MIRRORED_REPEAT + }; + const filterToGL = { + [ NearestFilter ]: _gl.NEAREST, + [ NearestMipmapNearestFilter ]: _gl.NEAREST_MIPMAP_NEAREST, + [ NearestMipmapLinearFilter ]: _gl.NEAREST_MIPMAP_LINEAR, + [ LinearFilter ]: _gl.LINEAR, + [ LinearMipmapNearestFilter ]: _gl.LINEAR_MIPMAP_NEAREST, + [ LinearMipmapLinearFilter ]: _gl.LINEAR_MIPMAP_LINEAR + }; + const compareToGL = { + [ NeverCompare ]: _gl.NEVER, + [ AlwaysCompare ]: _gl.ALWAYS, + [ LessCompare ]: _gl.LESS, + [ LessEqualCompare ]: _gl.LEQUAL, + [ EqualCompare ]: _gl.EQUAL, + [ GreaterEqualCompare ]: _gl.GEQUAL, + [ GreaterCompare ]: _gl.GREATER, + [ NotEqualCompare ]: _gl.NOTEQUAL + }; + function setTextureParameters( textureType, texture ) { + if ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false && + ( texture.magFilter === LinearFilter || texture.magFilter === LinearMipmapNearestFilter || texture.magFilter === NearestMipmapLinearFilter || texture.magFilter === LinearMipmapLinearFilter || + texture.minFilter === LinearFilter || texture.minFilter === LinearMipmapNearestFilter || texture.minFilter === NearestMipmapLinearFilter || texture.minFilter === LinearMipmapLinearFilter ) ) { + console.warn( 'THREE.WebGLRenderer: Unable to use linear filtering with floating point textures. OES_texture_float_linear not supported on this device.' ); + } + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, wrappingToGL[ texture.wrapS ] ); + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, wrappingToGL[ texture.wrapT ] ); + if ( textureType === _gl.TEXTURE_3D || textureType === _gl.TEXTURE_2D_ARRAY ) { + _gl.texParameteri( textureType, _gl.TEXTURE_WRAP_R, wrappingToGL[ texture.wrapR ] ); + } + _gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterToGL[ texture.magFilter ] ); + _gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterToGL[ texture.minFilter ] ); + if ( texture.compareFunction ) { + _gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_MODE, _gl.COMPARE_REF_TO_TEXTURE ); + _gl.texParameteri( textureType, _gl.TEXTURE_COMPARE_FUNC, compareToGL[ texture.compareFunction ] ); + } + if ( extensions.has( 'EXT_texture_filter_anisotropic' ) === true ) { + if ( texture.magFilter === NearestFilter ) return; + if ( texture.minFilter !== NearestMipmapLinearFilter && texture.minFilter !== LinearMipmapLinearFilter ) return; + if ( texture.type === FloatType && extensions.has( 'OES_texture_float_linear' ) === false ) return; + if ( texture.anisotropy > 1 || properties.get( texture ).__currentAnisotropy ) { + const extension = extensions.get( 'EXT_texture_filter_anisotropic' ); + _gl.texParameterf( textureType, extension.TEXTURE_MAX_ANISOTROPY_EXT, Math.min( texture.anisotropy, capabilities.getMaxAnisotropy() ) ); + properties.get( texture ).__currentAnisotropy = texture.anisotropy; + } + } + } + function initTexture( textureProperties, texture ) { + let forceUpload = false; + if ( textureProperties.__webglInit === undefined ) { + textureProperties.__webglInit = true; + texture.addEventListener( 'dispose', onTextureDispose ); + } + const source = texture.source; + let webglTextures = _sources.get( source ); + if ( webglTextures === undefined ) { + webglTextures = {}; + _sources.set( source, webglTextures ); + } + const textureCacheKey = getTextureCacheKey( texture ); + if ( textureCacheKey !== textureProperties.__cacheKey ) { + if ( webglTextures[ textureCacheKey ] === undefined ) { + webglTextures[ textureCacheKey ] = { + texture: _gl.createTexture(), + usedTimes: 0 + }; + info.memory.textures ++; + forceUpload = true; + } + webglTextures[ textureCacheKey ].usedTimes ++; + const webglTexture = webglTextures[ textureProperties.__cacheKey ]; + if ( webglTexture !== undefined ) { + webglTextures[ textureProperties.__cacheKey ].usedTimes --; + if ( webglTexture.usedTimes === 0 ) { + deleteTexture( texture ); + } + } + textureProperties.__cacheKey = textureCacheKey; + textureProperties.__webglTexture = webglTextures[ textureCacheKey ].texture; + } + return forceUpload; + } + function getRow( index, rowLength, componentStride ) { + return Math.floor( Math.floor( index / componentStride ) / rowLength ); + } + function updateTexture( texture, image, glFormat, glType ) { + const componentStride = 4; + const updateRanges = texture.updateRanges; + if ( updateRanges.length === 0 ) { + state.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, image.width, image.height, glFormat, glType, image.data ); + } else { + updateRanges.sort( ( a, b ) => a.start - b.start ); + let mergeIndex = 0; + for ( let i = 1; i < updateRanges.length; i ++ ) { + const previousRange = updateRanges[ mergeIndex ]; + const range = updateRanges[ i ]; + const previousEnd = previousRange.start + previousRange.count; + const currentRow = getRow( range.start, image.width, componentStride ); + const previousRow = getRow( previousRange.start, image.width, componentStride ); + if ( + range.start <= previousEnd + 1 && + currentRow === previousRow && + getRow( range.start + range.count - 1, image.width, componentStride ) === currentRow + ) { + previousRange.count = Math.max( + previousRange.count, + range.start + range.count - previousRange.start + ); + } else { + ++ mergeIndex; + updateRanges[ mergeIndex ] = range; + } + } + updateRanges.length = mergeIndex + 1; + const currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH ); + const currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS ); + const currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS ); + _gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width ); + for ( let i = 0, l = updateRanges.length; i < l; i ++ ) { + const range = updateRanges[ i ]; + const pixelStart = Math.floor( range.start / componentStride ); + const pixelCount = Math.ceil( range.count / componentStride ); + const x = pixelStart % image.width; + const y = Math.floor( pixelStart / image.width ); + const width = pixelCount; + const height = 1; + _gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, x ); + _gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, y ); + state.texSubImage2D( _gl.TEXTURE_2D, 0, x, y, width, height, glFormat, glType, image.data ); + } + texture.clearUpdateRanges(); + _gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen ); + _gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels ); + _gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows ); + } + } + function uploadTexture( textureProperties, texture, slot ) { + let textureType = _gl.TEXTURE_2D; + if ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) textureType = _gl.TEXTURE_2D_ARRAY; + if ( texture.isData3DTexture ) textureType = _gl.TEXTURE_3D; + const forceUpload = initTexture( textureProperties, texture ); + const source = texture.source; + state.bindTexture( textureType, textureProperties.__webglTexture, _gl.TEXTURE0 + slot ); + const sourceProperties = properties.get( source ); + if ( source.version !== sourceProperties.__version || forceUpload === true ) { + state.activeTexture( _gl.TEXTURE0 + slot ); + const workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace ); + const texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace ); + const unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL; + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + _gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion ); + let image = resizeImage( texture.image, false, capabilities.maxTextureSize ); + image = verifyColorSpace( texture, image ); + const glFormat = utils.convert( texture.format, texture.colorSpace ); + const glType = utils.convert( texture.type ); + let glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, texture.isVideoTexture ); + setTextureParameters( textureType, texture ); + let mipmap; + const mipmaps = texture.mipmaps; + const useTexStorage = ( texture.isVideoTexture !== true ); + const allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true ); + const dataReady = source.dataReady; + const levels = getMipLevels( texture, image ); + if ( texture.isDepthTexture ) { + glInternalFormat = getInternalDepthFormat( texture.format === DepthStencilFormat, texture.type ); + if ( allocateMemory ) { + if ( useTexStorage ) { + state.texStorage2D( _gl.TEXTURE_2D, 1, glInternalFormat, image.width, image.height ); + } else { + state.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, null ); + } + } + } else if ( texture.isDataTexture ) { + if ( mipmaps.length > 0 ) { + if ( useTexStorage && allocateMemory ) { + state.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height ); + } + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + mipmap = mipmaps[ i ]; + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); + } + } else { + state.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + } + } + texture.generateMipmaps = false; + } else { + if ( useTexStorage ) { + if ( allocateMemory ) { + state.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height ); + } + if ( dataReady ) { + updateTexture( texture, image, glFormat, glType ); + } + } else { + state.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, image.width, image.height, 0, glFormat, glType, image.data ); + } + } + } else if ( texture.isCompressedTexture ) { + if ( texture.isCompressedArrayTexture ) { + if ( useTexStorage && allocateMemory ) { + state.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height, image.depth ); + } + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + mipmap = mipmaps[ i ]; + if ( texture.format !== RGBAFormat ) { + if ( glFormat !== null ) { + if ( useTexStorage ) { + if ( dataReady ) { + if ( texture.layerUpdates.size > 0 ) { + const layerByteLength = getByteLength( mipmap.width, mipmap.height, texture.format, texture.type ); + for ( const layerIndex of texture.layerUpdates ) { + const layerData = mipmap.data.subarray( + layerIndex * layerByteLength / mipmap.data.BYTES_PER_ELEMENT, + ( layerIndex + 1 ) * layerByteLength / mipmap.data.BYTES_PER_ELEMENT + ); + state.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, layerIndex, mipmap.width, mipmap.height, 1, glFormat, layerData ); + } + texture.clearLayerUpdates(); + } else { + state.compressedTexSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, mipmap.data ); + } + } + } else { + state.compressedTexImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, mipmap.data, 0, 0 ); + } + } else { + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' ); + } + } else { + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage3D( _gl.TEXTURE_2D_ARRAY, i, 0, 0, 0, mipmap.width, mipmap.height, image.depth, glFormat, glType, mipmap.data ); + } + } else { + state.texImage3D( _gl.TEXTURE_2D_ARRAY, i, glInternalFormat, mipmap.width, mipmap.height, image.depth, 0, glFormat, glType, mipmap.data ); + } + } + } + } else { + if ( useTexStorage && allocateMemory ) { + state.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, mipmaps[ 0 ].width, mipmaps[ 0 ].height ); + } + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + mipmap = mipmaps[ i ]; + if ( texture.format !== RGBAFormat ) { + if ( glFormat !== null ) { + if ( useTexStorage ) { + if ( dataReady ) { + state.compressedTexSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data ); + } + } else { + state.compressedTexImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + } + } else { + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()' ); + } + } else { + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); + } + } else { + state.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + } + } + } + } + } else if ( texture.isDataArrayTexture ) { + if ( useTexStorage ) { + if ( allocateMemory ) { + state.texStorage3D( _gl.TEXTURE_2D_ARRAY, levels, glInternalFormat, image.width, image.height, image.depth ); + } + if ( dataReady ) { + if ( texture.layerUpdates.size > 0 ) { + const layerByteLength = getByteLength( image.width, image.height, texture.format, texture.type ); + for ( const layerIndex of texture.layerUpdates ) { + const layerData = image.data.subarray( + layerIndex * layerByteLength / image.data.BYTES_PER_ELEMENT, + ( layerIndex + 1 ) * layerByteLength / image.data.BYTES_PER_ELEMENT + ); + state.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, layerIndex, image.width, image.height, 1, glFormat, glType, layerData ); + } + texture.clearLayerUpdates(); + } else { + state.texSubImage3D( _gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data ); + } + } + } else { + state.texImage3D( _gl.TEXTURE_2D_ARRAY, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); + } + } else if ( texture.isData3DTexture ) { + if ( useTexStorage ) { + if ( allocateMemory ) { + state.texStorage3D( _gl.TEXTURE_3D, levels, glInternalFormat, image.width, image.height, image.depth ); + } + if ( dataReady ) { + state.texSubImage3D( _gl.TEXTURE_3D, 0, 0, 0, 0, image.width, image.height, image.depth, glFormat, glType, image.data ); + } + } else { + state.texImage3D( _gl.TEXTURE_3D, 0, glInternalFormat, image.width, image.height, image.depth, 0, glFormat, glType, image.data ); + } + } else if ( texture.isFramebufferTexture ) { + if ( allocateMemory ) { + if ( useTexStorage ) { + state.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, image.width, image.height ); + } else { + let width = image.width, height = image.height; + for ( let i = 0; i < levels; i ++ ) { + state.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, width, height, 0, glFormat, glType, null ); + width >>= 1; + height >>= 1; + } + } + } + } else { + if ( mipmaps.length > 0 ) { + if ( useTexStorage && allocateMemory ) { + const dimensions = getDimensions( mipmaps[ 0 ] ); + state.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height ); + } + for ( let i = 0, il = mipmaps.length; i < il; i ++ ) { + mipmap = mipmaps[ i ]; + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_2D, i, 0, 0, glFormat, glType, mipmap ); + } + } else { + state.texImage2D( _gl.TEXTURE_2D, i, glInternalFormat, glFormat, glType, mipmap ); + } + } + texture.generateMipmaps = false; + } else { + if ( useTexStorage ) { + if ( allocateMemory ) { + const dimensions = getDimensions( image ); + state.texStorage2D( _gl.TEXTURE_2D, levels, glInternalFormat, dimensions.width, dimensions.height ); + } + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_2D, 0, 0, 0, glFormat, glType, image ); + } + } else { + state.texImage2D( _gl.TEXTURE_2D, 0, glInternalFormat, glFormat, glType, image ); + } + } + } + if ( textureNeedsGenerateMipmaps( texture ) ) { + generateMipmap( textureType ); + } + sourceProperties.__version = source.version; + if ( texture.onUpdate ) texture.onUpdate( texture ); + } + textureProperties.__version = texture.version; + } + function uploadCubeTexture( textureProperties, texture, slot ) { + if ( texture.image.length !== 6 ) return; + const forceUpload = initTexture( textureProperties, texture ); + const source = texture.source; + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture, _gl.TEXTURE0 + slot ); + const sourceProperties = properties.get( source ); + if ( source.version !== sourceProperties.__version || forceUpload === true ) { + state.activeTexture( _gl.TEXTURE0 + slot ); + const workingPrimaries = ColorManagement.getPrimaries( ColorManagement.workingColorSpace ); + const texturePrimaries = texture.colorSpace === NoColorSpace ? null : ColorManagement.getPrimaries( texture.colorSpace ); + const unpackConversion = texture.colorSpace === NoColorSpace || workingPrimaries === texturePrimaries ? _gl.NONE : _gl.BROWSER_DEFAULT_WEBGL; + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, texture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, texture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, texture.unpackAlignment ); + _gl.pixelStorei( _gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, unpackConversion ); + const isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ); + const isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture ); + const cubeImage = []; + for ( let i = 0; i < 6; i ++ ) { + if ( ! isCompressed && ! isDataTexture ) { + cubeImage[ i ] = resizeImage( texture.image[ i ], true, capabilities.maxCubemapSize ); + } else { + cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; + } + cubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] ); + } + const image = cubeImage[ 0 ], + glFormat = utils.convert( texture.format, texture.colorSpace ), + glType = utils.convert( texture.type ), + glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace ); + const useTexStorage = ( texture.isVideoTexture !== true ); + const allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true ); + const dataReady = source.dataReady; + let levels = getMipLevels( texture, image ); + setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture ); + let mipmaps; + if ( isCompressed ) { + if ( useTexStorage && allocateMemory ) { + state.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height ); + } + for ( let i = 0; i < 6; i ++ ) { + mipmaps = cubeImage[ i ].mipmaps; + for ( let j = 0; j < mipmaps.length; j ++ ) { + const mipmap = mipmaps[ j ]; + if ( texture.format !== RGBAFormat ) { + if ( glFormat !== null ) { + if ( useTexStorage ) { + if ( dataReady ) { + state.compressedTexSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data ); + } + } else { + state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); + } + } else { + console.warn( 'THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' ); + } + } else { + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); + } + } else { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); + } + } + } + } + } else { + mipmaps = texture.mipmaps; + if ( useTexStorage && allocateMemory ) { + if ( mipmaps.length > 0 ) levels ++; + const dimensions = getDimensions( cubeImage[ 0 ] ); + state.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height ); + } + for ( let i = 0; i < 6; i ++ ) { + if ( isDataTexture ) { + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data ); + } + } else { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); + } + for ( let j = 0; j < mipmaps.length; j ++ ) { + const mipmap = mipmaps[ j ]; + const mipmapImage = mipmap.image[ i ].image; + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data ); + } + } else { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data ); + } + } + } else { + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] ); + } + } else { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] ); + } + for ( let j = 0; j < mipmaps.length; j ++ ) { + const mipmap = mipmaps[ j ]; + if ( useTexStorage ) { + if ( dataReady ) { + state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] ); + } + } else { + state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] ); + } + } + } + } + } + if ( textureNeedsGenerateMipmaps( texture ) ) { + generateMipmap( _gl.TEXTURE_CUBE_MAP ); + } + sourceProperties.__version = source.version; + if ( texture.onUpdate ) texture.onUpdate( texture ); + } + textureProperties.__version = texture.version; + } + function setupFrameBufferTexture( framebuffer, renderTarget, texture, attachment, textureTarget, level ) { + const glFormat = utils.convert( texture.format, texture.colorSpace ); + const glType = utils.convert( texture.type ); + const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace ); + const renderTargetProperties = properties.get( renderTarget ); + const textureProperties = properties.get( texture ); + textureProperties.__renderTarget = renderTarget; + if ( ! renderTargetProperties.__hasExternalTextures ) { + const width = Math.max( 1, renderTarget.width >> level ); + const height = Math.max( 1, renderTarget.height >> level ); + if ( textureTarget === _gl.TEXTURE_3D || textureTarget === _gl.TEXTURE_2D_ARRAY ) { + state.texImage3D( textureTarget, level, glInternalFormat, width, height, renderTarget.depth, 0, glFormat, glType, null ); + } else { + state.texImage2D( textureTarget, level, glInternalFormat, width, height, 0, glFormat, glType, null ); + } + } + state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + if ( useMultisampledRTT( renderTarget ) ) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, 0, getRenderTargetSamples( renderTarget ) ); + } else if ( textureTarget === _gl.TEXTURE_2D || ( textureTarget >= _gl.TEXTURE_CUBE_MAP_POSITIVE_X && textureTarget <= _gl.TEXTURE_CUBE_MAP_NEGATIVE_Z ) ) { + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, attachment, textureTarget, textureProperties.__webglTexture, level ); + } + state.bindFramebuffer( _gl.FRAMEBUFFER, null ); + } + function setupRenderBufferStorage( renderbuffer, renderTarget, isMultisample ) { + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + if ( renderTarget.depthBuffer ) { + const depthTexture = renderTarget.depthTexture; + const depthType = depthTexture && depthTexture.isDepthTexture ? depthTexture.type : null; + const glInternalFormat = getInternalDepthFormat( renderTarget.stencilBuffer, depthType ); + const glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const samples = getRenderTargetSamples( renderTarget ); + const isUseMultisampledRTT = useMultisampledRTT( renderTarget ); + if ( isUseMultisampledRTT ) { + multisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + } else if ( isMultisample ) { + _gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + } else { + _gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height ); + } + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer ); + } else { + const textures = renderTarget.textures; + for ( let i = 0; i < textures.length; i ++ ) { + const texture = textures[ i ]; + const glFormat = utils.convert( texture.format, texture.colorSpace ); + const glType = utils.convert( texture.type ); + const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace ); + const samples = getRenderTargetSamples( renderTarget ); + if ( isMultisample && useMultisampledRTT( renderTarget ) === false ) { + _gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + } else if ( useMultisampledRTT( renderTarget ) ) { + multisampledRTTExt.renderbufferStorageMultisampleEXT( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + } else { + _gl.renderbufferStorage( _gl.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height ); + } + } + } + _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); + } + function setupDepthTexture( framebuffer, renderTarget ) { + const isCube = ( renderTarget && renderTarget.isWebGLCubeRenderTarget ); + if ( isCube ) throw new Error( 'Depth Texture with cube render targets is not supported' ); + state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + if ( ! ( renderTarget.depthTexture && renderTarget.depthTexture.isDepthTexture ) ) { + throw new Error( 'renderTarget.depthTexture must be an instance of THREE.DepthTexture' ); + } + const textureProperties = properties.get( renderTarget.depthTexture ); + textureProperties.__renderTarget = renderTarget; + if ( ! textureProperties.__webglTexture || + renderTarget.depthTexture.image.width !== renderTarget.width || + renderTarget.depthTexture.image.height !== renderTarget.height ) { + renderTarget.depthTexture.image.width = renderTarget.width; + renderTarget.depthTexture.image.height = renderTarget.height; + renderTarget.depthTexture.needsUpdate = true; + } + setTexture2D( renderTarget.depthTexture, 0 ); + const webglDepthTexture = textureProperties.__webglTexture; + const samples = getRenderTargetSamples( renderTarget ); + if ( renderTarget.depthTexture.format === DepthFormat ) { + if ( useMultisampledRTT( renderTarget ) ) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples ); + } else { + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + } + } else if ( renderTarget.depthTexture.format === DepthStencilFormat ) { + if ( useMultisampledRTT( renderTarget ) ) { + multisampledRTTExt.framebufferTexture2DMultisampleEXT( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0, samples ); + } else { + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.DEPTH_STENCIL_ATTACHMENT, _gl.TEXTURE_2D, webglDepthTexture, 0 ); + } + } else { + throw new Error( 'Unknown depthTexture format' ); + } + } + function setupDepthRenderbuffer( renderTarget ) { + const renderTargetProperties = properties.get( renderTarget ); + const isCube = ( renderTarget.isWebGLCubeRenderTarget === true ); + if ( renderTargetProperties.__boundDepthTexture !== renderTarget.depthTexture ) { + const depthTexture = renderTarget.depthTexture; + if ( renderTargetProperties.__depthDisposeCallback ) { + renderTargetProperties.__depthDisposeCallback(); + } + if ( depthTexture ) { + const disposeEvent = () => { + delete renderTargetProperties.__boundDepthTexture; + delete renderTargetProperties.__depthDisposeCallback; + depthTexture.removeEventListener( 'dispose', disposeEvent ); + }; + depthTexture.addEventListener( 'dispose', disposeEvent ); + renderTargetProperties.__depthDisposeCallback = disposeEvent; + } + renderTargetProperties.__boundDepthTexture = depthTexture; + } + if ( renderTarget.depthTexture && ! renderTargetProperties.__autoAllocateDepthBuffer ) { + if ( isCube ) throw new Error( 'target.depthTexture not supported in Cube render targets' ); + const mipmaps = renderTarget.texture.mipmaps; + if ( mipmaps && mipmaps.length > 0 ) { + setupDepthTexture( renderTargetProperties.__webglFramebuffer[ 0 ], renderTarget ); + } else { + setupDepthTexture( renderTargetProperties.__webglFramebuffer, renderTarget ); + } + } else { + if ( isCube ) { + renderTargetProperties.__webglDepthbuffer = []; + for ( let i = 0; i < 6; i ++ ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ i ] ); + if ( renderTargetProperties.__webglDepthbuffer[ i ] === undefined ) { + renderTargetProperties.__webglDepthbuffer[ i ] = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer[ i ], renderTarget, false ); + } else { + const glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderbuffer = renderTargetProperties.__webglDepthbuffer[ i ]; + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer ); + } + } + } else { + const mipmaps = renderTarget.texture.mipmaps; + if ( mipmaps && mipmaps.length > 0 ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ 0 ] ); + } else { + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + } + if ( renderTargetProperties.__webglDepthbuffer === undefined ) { + renderTargetProperties.__webglDepthbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthbuffer, renderTarget, false ); + } else { + const glAttachmentType = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderbuffer = renderTargetProperties.__webglDepthbuffer; + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderbuffer ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, glAttachmentType, _gl.RENDERBUFFER, renderbuffer ); + } + } + } + state.bindFramebuffer( _gl.FRAMEBUFFER, null ); + } + function rebindTextures( renderTarget, colorTexture, depthTexture ) { + const renderTargetProperties = properties.get( renderTarget ); + if ( colorTexture !== undefined ) { + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, renderTarget.texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, 0 ); + } + if ( depthTexture !== undefined ) { + setupDepthRenderbuffer( renderTarget ); + } + } + function setupRenderTarget( renderTarget ) { + const texture = renderTarget.texture; + const renderTargetProperties = properties.get( renderTarget ); + const textureProperties = properties.get( texture ); + renderTarget.addEventListener( 'dispose', onRenderTargetDispose ); + const textures = renderTarget.textures; + const isCube = ( renderTarget.isWebGLCubeRenderTarget === true ); + const isMultipleRenderTargets = ( textures.length > 1 ); + if ( ! isMultipleRenderTargets ) { + if ( textureProperties.__webglTexture === undefined ) { + textureProperties.__webglTexture = _gl.createTexture(); + } + textureProperties.__version = texture.version; + info.memory.textures ++; + } + if ( isCube ) { + renderTargetProperties.__webglFramebuffer = []; + for ( let i = 0; i < 6; i ++ ) { + if ( texture.mipmaps && texture.mipmaps.length > 0 ) { + renderTargetProperties.__webglFramebuffer[ i ] = []; + for ( let level = 0; level < texture.mipmaps.length; level ++ ) { + renderTargetProperties.__webglFramebuffer[ i ][ level ] = _gl.createFramebuffer(); + } + } else { + renderTargetProperties.__webglFramebuffer[ i ] = _gl.createFramebuffer(); + } + } + } else { + if ( texture.mipmaps && texture.mipmaps.length > 0 ) { + renderTargetProperties.__webglFramebuffer = []; + for ( let level = 0; level < texture.mipmaps.length; level ++ ) { + renderTargetProperties.__webglFramebuffer[ level ] = _gl.createFramebuffer(); + } + } else { + renderTargetProperties.__webglFramebuffer = _gl.createFramebuffer(); + } + if ( isMultipleRenderTargets ) { + for ( let i = 0, il = textures.length; i < il; i ++ ) { + const attachmentProperties = properties.get( textures[ i ] ); + if ( attachmentProperties.__webglTexture === undefined ) { + attachmentProperties.__webglTexture = _gl.createTexture(); + info.memory.textures ++; + } + } + } + if ( ( renderTarget.samples > 0 ) && useMultisampledRTT( renderTarget ) === false ) { + renderTargetProperties.__webglMultisampledFramebuffer = _gl.createFramebuffer(); + renderTargetProperties.__webglColorRenderbuffer = []; + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer ); + for ( let i = 0; i < textures.length; i ++ ) { + const texture = textures[ i ]; + renderTargetProperties.__webglColorRenderbuffer[ i ] = _gl.createRenderbuffer(); + _gl.bindRenderbuffer( _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + const glFormat = utils.convert( texture.format, texture.colorSpace ); + const glType = utils.convert( texture.type ); + const glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.colorSpace, renderTarget.isXRRenderTarget === true ); + const samples = getRenderTargetSamples( renderTarget ); + _gl.renderbufferStorageMultisample( _gl.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + } + _gl.bindRenderbuffer( _gl.RENDERBUFFER, null ); + if ( renderTarget.depthBuffer ) { + renderTargetProperties.__webglDepthRenderbuffer = _gl.createRenderbuffer(); + setupRenderBufferStorage( renderTargetProperties.__webglDepthRenderbuffer, renderTarget, true ); + } + state.bindFramebuffer( _gl.FRAMEBUFFER, null ); + } + } + if ( isCube ) { + state.bindTexture( _gl.TEXTURE_CUBE_MAP, textureProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture ); + for ( let i = 0; i < 6; i ++ ) { + if ( texture.mipmaps && texture.mipmaps.length > 0 ) { + for ( let level = 0; level < texture.mipmaps.length; level ++ ) { + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ][ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level ); + } + } else { + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ i ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0 ); + } + } + if ( textureNeedsGenerateMipmaps( texture ) ) { + generateMipmap( _gl.TEXTURE_CUBE_MAP ); + } + state.unbindTexture(); + } else if ( isMultipleRenderTargets ) { + for ( let i = 0, il = textures.length; i < il; i ++ ) { + const attachment = textures[ i ]; + const attachmentProperties = properties.get( attachment ); + state.bindTexture( _gl.TEXTURE_2D, attachmentProperties.__webglTexture ); + setTextureParameters( _gl.TEXTURE_2D, attachment ); + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, attachment, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, 0 ); + if ( textureNeedsGenerateMipmaps( attachment ) ) { + generateMipmap( _gl.TEXTURE_2D ); + } + } + state.unbindTexture(); + } else { + let glTextureType = _gl.TEXTURE_2D; + if ( renderTarget.isWebGL3DRenderTarget || renderTarget.isWebGLArrayRenderTarget ) { + glTextureType = renderTarget.isWebGL3DRenderTarget ? _gl.TEXTURE_3D : _gl.TEXTURE_2D_ARRAY; + } + state.bindTexture( glTextureType, textureProperties.__webglTexture ); + setTextureParameters( glTextureType, texture ); + if ( texture.mipmaps && texture.mipmaps.length > 0 ) { + for ( let level = 0; level < texture.mipmaps.length; level ++ ) { + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer[ level ], renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, level ); + } + } else { + setupFrameBufferTexture( renderTargetProperties.__webglFramebuffer, renderTarget, texture, _gl.COLOR_ATTACHMENT0, glTextureType, 0 ); + } + if ( textureNeedsGenerateMipmaps( texture ) ) { + generateMipmap( glTextureType ); + } + state.unbindTexture(); + } + if ( renderTarget.depthBuffer ) { + setupDepthRenderbuffer( renderTarget ); + } + } + function updateRenderTargetMipmap( renderTarget ) { + const textures = renderTarget.textures; + for ( let i = 0, il = textures.length; i < il; i ++ ) { + const texture = textures[ i ]; + if ( textureNeedsGenerateMipmaps( texture ) ) { + const targetType = getTargetType( renderTarget ); + const webglTexture = properties.get( texture ).__webglTexture; + state.bindTexture( targetType, webglTexture ); + generateMipmap( targetType ); + state.unbindTexture(); + } + } + } + const invalidationArrayRead = []; + const invalidationArrayDraw = []; + function updateMultisampleRenderTarget( renderTarget ) { + if ( renderTarget.samples > 0 ) { + if ( useMultisampledRTT( renderTarget ) === false ) { + const textures = renderTarget.textures; + const width = renderTarget.width; + const height = renderTarget.height; + let mask = _gl.COLOR_BUFFER_BIT; + const depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + const renderTargetProperties = properties.get( renderTarget ); + const isMultipleRenderTargets = ( textures.length > 1 ); + if ( isMultipleRenderTargets ) { + for ( let i = 0; i < textures.length; i ++ ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, null ); + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + _gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, null, 0 ); + } + } + state.bindFramebuffer( _gl.READ_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer ); + const mipmaps = renderTarget.texture.mipmaps; + if ( mipmaps && mipmaps.length > 0 ) { + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer[ 0 ] ); + } else { + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + } + for ( let i = 0; i < textures.length; i ++ ) { + if ( renderTarget.resolveDepthBuffer ) { + if ( renderTarget.depthBuffer ) mask |= _gl.DEPTH_BUFFER_BIT; + if ( renderTarget.stencilBuffer && renderTarget.resolveStencilBuffer ) mask |= _gl.STENCIL_BUFFER_BIT; + } + if ( isMultipleRenderTargets ) { + _gl.framebufferRenderbuffer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + const webglTexture = properties.get( textures[ i ] ).__webglTexture; + _gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, webglTexture, 0 ); + } + _gl.blitFramebuffer( 0, 0, width, height, 0, 0, width, height, mask, _gl.NEAREST ); + if ( supportsInvalidateFramebuffer === true ) { + invalidationArrayRead.length = 0; + invalidationArrayDraw.length = 0; + invalidationArrayRead.push( _gl.COLOR_ATTACHMENT0 + i ); + if ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false ) { + invalidationArrayRead.push( depthStyle ); + invalidationArrayDraw.push( depthStyle ); + _gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, invalidationArrayDraw ); + } + _gl.invalidateFramebuffer( _gl.READ_FRAMEBUFFER, invalidationArrayRead ); + } + } + state.bindFramebuffer( _gl.READ_FRAMEBUFFER, null ); + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null ); + if ( isMultipleRenderTargets ) { + for ( let i = 0; i < textures.length; i ++ ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer ); + _gl.framebufferRenderbuffer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.RENDERBUFFER, renderTargetProperties.__webglColorRenderbuffer[ i ] ); + const webglTexture = properties.get( textures[ i ] ).__webglTexture; + state.bindFramebuffer( _gl.FRAMEBUFFER, renderTargetProperties.__webglFramebuffer ); + _gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0 + i, _gl.TEXTURE_2D, webglTexture, 0 ); + } + } + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, renderTargetProperties.__webglMultisampledFramebuffer ); + } else { + if ( renderTarget.depthBuffer && renderTarget.resolveDepthBuffer === false && supportsInvalidateFramebuffer ) { + const depthStyle = renderTarget.stencilBuffer ? _gl.DEPTH_STENCIL_ATTACHMENT : _gl.DEPTH_ATTACHMENT; + _gl.invalidateFramebuffer( _gl.DRAW_FRAMEBUFFER, [ depthStyle ] ); + } + } + } + } + function getRenderTargetSamples( renderTarget ) { + return Math.min( capabilities.maxSamples, renderTarget.samples ); + } + function useMultisampledRTT( renderTarget ) { + const renderTargetProperties = properties.get( renderTarget ); + return renderTarget.samples > 0 && extensions.has( 'WEBGL_multisampled_render_to_texture' ) === true && renderTargetProperties.__useRenderToTexture !== false; + } + function updateVideoTexture( texture ) { + const frame = info.render.frame; + if ( _videoTextures.get( texture ) !== frame ) { + _videoTextures.set( texture, frame ); + texture.update(); + } + } + function verifyColorSpace( texture, image ) { + const colorSpace = texture.colorSpace; + const format = texture.format; + const type = texture.type; + if ( texture.isCompressedTexture === true || texture.isVideoTexture === true ) return image; + if ( colorSpace !== LinearSRGBColorSpace && colorSpace !== NoColorSpace ) { + if ( ColorManagement.getTransfer( colorSpace ) === SRGBTransfer ) { + if ( format !== RGBAFormat || type !== UnsignedByteType ) { + console.warn( 'THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType.' ); + } + } else { + console.error( 'THREE.WebGLTextures: Unsupported texture color space:', colorSpace ); + } + } + return image; + } + function getDimensions( image ) { + if ( typeof HTMLImageElement !== 'undefined' && image instanceof HTMLImageElement ) { + _imageDimensions.width = image.naturalWidth || image.width; + _imageDimensions.height = image.naturalHeight || image.height; + } else if ( typeof VideoFrame !== 'undefined' && image instanceof VideoFrame ) { + _imageDimensions.width = image.displayWidth; + _imageDimensions.height = image.displayHeight; + } else { + _imageDimensions.width = image.width; + _imageDimensions.height = image.height; + } + return _imageDimensions; + } + this.allocateTextureUnit = allocateTextureUnit; + this.resetTextureUnits = resetTextureUnits; + this.setTexture2D = setTexture2D; + this.setTexture2DArray = setTexture2DArray; + this.setTexture3D = setTexture3D; + this.setTextureCube = setTextureCube; + this.rebindTextures = rebindTextures; + this.setupRenderTarget = setupRenderTarget; + this.updateRenderTargetMipmap = updateRenderTargetMipmap; + this.updateMultisampleRenderTarget = updateMultisampleRenderTarget; + this.setupDepthRenderbuffer = setupDepthRenderbuffer; + this.setupFrameBufferTexture = setupFrameBufferTexture; + this.useMultisampledRTT = useMultisampledRTT; + } + function WebGLUtils( gl, extensions ) { + function convert( p, colorSpace = NoColorSpace ) { + let extension; + const transfer = ColorManagement.getTransfer( colorSpace ); + if ( p === UnsignedByteType ) return gl.UNSIGNED_BYTE; + if ( p === UnsignedShort4444Type ) return gl.UNSIGNED_SHORT_4_4_4_4; + if ( p === UnsignedShort5551Type ) return gl.UNSIGNED_SHORT_5_5_5_1; + if ( p === UnsignedInt5999Type ) return gl.UNSIGNED_INT_5_9_9_9_REV; + if ( p === ByteType ) return gl.BYTE; + if ( p === ShortType ) return gl.SHORT; + if ( p === UnsignedShortType ) return gl.UNSIGNED_SHORT; + if ( p === IntType ) return gl.INT; + if ( p === UnsignedIntType ) return gl.UNSIGNED_INT; + if ( p === FloatType ) return gl.FLOAT; + if ( p === HalfFloatType ) return gl.HALF_FLOAT; + if ( p === AlphaFormat ) return gl.ALPHA; + if ( p === RGBFormat ) return gl.RGB; + if ( p === RGBAFormat ) return gl.RGBA; + if ( p === DepthFormat ) return gl.DEPTH_COMPONENT; + if ( p === DepthStencilFormat ) return gl.DEPTH_STENCIL; + if ( p === RedFormat ) return gl.RED; + if ( p === RedIntegerFormat ) return gl.RED_INTEGER; + if ( p === RGFormat ) return gl.RG; + if ( p === RGIntegerFormat ) return gl.RG_INTEGER; + if ( p === RGBAIntegerFormat ) return gl.RGBA_INTEGER; + if ( p === RGB_S3TC_DXT1_Format || p === RGBA_S3TC_DXT1_Format || p === RGBA_S3TC_DXT3_Format || p === RGBA_S3TC_DXT5_Format ) { + if ( transfer === SRGBTransfer ) { + extension = extensions.get( 'WEBGL_compressed_texture_s3tc_srgb' ); + if ( extension !== null ) { + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT; + } else { + return null; + } + } else { + extension = extensions.get( 'WEBGL_compressed_texture_s3tc' ); + if ( extension !== null ) { + if ( p === RGB_S3TC_DXT1_Format ) return extension.COMPRESSED_RGB_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT1_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT1_EXT; + if ( p === RGBA_S3TC_DXT3_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT3_EXT; + if ( p === RGBA_S3TC_DXT5_Format ) return extension.COMPRESSED_RGBA_S3TC_DXT5_EXT; + } else { + return null; + } + } + } + if ( p === RGB_PVRTC_4BPPV1_Format || p === RGB_PVRTC_2BPPV1_Format || p === RGBA_PVRTC_4BPPV1_Format || p === RGBA_PVRTC_2BPPV1_Format ) { + extension = extensions.get( 'WEBGL_compressed_texture_pvrtc' ); + if ( extension !== null ) { + if ( p === RGB_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + if ( p === RGB_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + if ( p === RGBA_PVRTC_4BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + if ( p === RGBA_PVRTC_2BPPV1_Format ) return extension.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + } else { + return null; + } + } + if ( p === RGB_ETC1_Format || p === RGB_ETC2_Format || p === RGBA_ETC2_EAC_Format ) { + extension = extensions.get( 'WEBGL_compressed_texture_etc' ); + if ( extension !== null ) { + if ( p === RGB_ETC1_Format || p === RGB_ETC2_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ETC2 : extension.COMPRESSED_RGB8_ETC2; + if ( p === RGBA_ETC2_EAC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : extension.COMPRESSED_RGBA8_ETC2_EAC; + } else { + return null; + } + } + if ( p === RGBA_ASTC_4x4_Format || p === RGBA_ASTC_5x4_Format || p === RGBA_ASTC_5x5_Format || + p === RGBA_ASTC_6x5_Format || p === RGBA_ASTC_6x6_Format || p === RGBA_ASTC_8x5_Format || + p === RGBA_ASTC_8x6_Format || p === RGBA_ASTC_8x8_Format || p === RGBA_ASTC_10x5_Format || + p === RGBA_ASTC_10x6_Format || p === RGBA_ASTC_10x8_Format || p === RGBA_ASTC_10x10_Format || + p === RGBA_ASTC_12x10_Format || p === RGBA_ASTC_12x12_Format ) { + extension = extensions.get( 'WEBGL_compressed_texture_astc' ); + if ( extension !== null ) { + if ( p === RGBA_ASTC_4x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR : extension.COMPRESSED_RGBA_ASTC_4x4_KHR; + if ( p === RGBA_ASTC_5x4_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR : extension.COMPRESSED_RGBA_ASTC_5x4_KHR; + if ( p === RGBA_ASTC_5x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR : extension.COMPRESSED_RGBA_ASTC_5x5_KHR; + if ( p === RGBA_ASTC_6x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR : extension.COMPRESSED_RGBA_ASTC_6x5_KHR; + if ( p === RGBA_ASTC_6x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR : extension.COMPRESSED_RGBA_ASTC_6x6_KHR; + if ( p === RGBA_ASTC_8x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR : extension.COMPRESSED_RGBA_ASTC_8x5_KHR; + if ( p === RGBA_ASTC_8x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR : extension.COMPRESSED_RGBA_ASTC_8x6_KHR; + if ( p === RGBA_ASTC_8x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR : extension.COMPRESSED_RGBA_ASTC_8x8_KHR; + if ( p === RGBA_ASTC_10x5_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR : extension.COMPRESSED_RGBA_ASTC_10x5_KHR; + if ( p === RGBA_ASTC_10x6_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR : extension.COMPRESSED_RGBA_ASTC_10x6_KHR; + if ( p === RGBA_ASTC_10x8_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR : extension.COMPRESSED_RGBA_ASTC_10x8_KHR; + if ( p === RGBA_ASTC_10x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR : extension.COMPRESSED_RGBA_ASTC_10x10_KHR; + if ( p === RGBA_ASTC_12x10_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR : extension.COMPRESSED_RGBA_ASTC_12x10_KHR; + if ( p === RGBA_ASTC_12x12_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR : extension.COMPRESSED_RGBA_ASTC_12x12_KHR; + } else { + return null; + } + } + if ( p === RGBA_BPTC_Format || p === RGB_BPTC_SIGNED_Format || p === RGB_BPTC_UNSIGNED_Format ) { + extension = extensions.get( 'EXT_texture_compression_bptc' ); + if ( extension !== null ) { + if ( p === RGBA_BPTC_Format ) return ( transfer === SRGBTransfer ) ? extension.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT : extension.COMPRESSED_RGBA_BPTC_UNORM_EXT; + if ( p === RGB_BPTC_SIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT; + if ( p === RGB_BPTC_UNSIGNED_Format ) return extension.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT; + } else { + return null; + } + } + if ( p === RED_RGTC1_Format || p === SIGNED_RED_RGTC1_Format || p === RED_GREEN_RGTC2_Format || p === SIGNED_RED_GREEN_RGTC2_Format ) { + extension = extensions.get( 'EXT_texture_compression_rgtc' ); + if ( extension !== null ) { + if ( p === RGBA_BPTC_Format ) return extension.COMPRESSED_RED_RGTC1_EXT; + if ( p === SIGNED_RED_RGTC1_Format ) return extension.COMPRESSED_SIGNED_RED_RGTC1_EXT; + if ( p === RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_RED_GREEN_RGTC2_EXT; + if ( p === SIGNED_RED_GREEN_RGTC2_Format ) return extension.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT; + } else { + return null; + } + } + if ( p === UnsignedInt248Type ) return gl.UNSIGNED_INT_24_8; + return ( gl[ p ] !== undefined ) ? gl[ p ] : null; + } + return { convert: convert }; + } + const _occlusion_vertex = ` +void main() { + + gl_Position = vec4( position, 1.0 ); + +}`; + const _occlusion_fragment = ` +uniform sampler2DArray depthColor; +uniform float depthWidth; +uniform float depthHeight; + +void main() { + + vec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight ); + + if ( coord.x >= 1.0 ) { + + gl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r; + + } else { + + gl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r; + + } + +}`; + class WebXRDepthSensing { + constructor() { + this.texture = null; + this.mesh = null; + this.depthNear = 0; + this.depthFar = 0; + } + init( renderer, depthData, renderState ) { + if ( this.texture === null ) { + const texture = new Texture(); + const texProps = renderer.properties.get( texture ); + texProps.__webglTexture = depthData.texture; + if ( ( depthData.depthNear !== renderState.depthNear ) || ( depthData.depthFar !== renderState.depthFar ) ) { + this.depthNear = depthData.depthNear; + this.depthFar = depthData.depthFar; + } + this.texture = texture; + } + } + getMesh( cameraXR ) { + if ( this.texture !== null ) { + if ( this.mesh === null ) { + const viewport = cameraXR.cameras[ 0 ].viewport; + const material = new ShaderMaterial( { + vertexShader: _occlusion_vertex, + fragmentShader: _occlusion_fragment, + uniforms: { + depthColor: { value: this.texture }, + depthWidth: { value: viewport.z }, + depthHeight: { value: viewport.w } + } + } ); + this.mesh = new Mesh( new PlaneGeometry( 20, 20 ), material ); + } + } + return this.mesh; + } + reset() { + this.texture = null; + this.mesh = null; + } + getDepthTexture() { + return this.texture; + } + } + class WebXRManager extends EventDispatcher { + constructor( renderer, gl ) { + super(); + const scope = this; + let session = null; + let framebufferScaleFactor = 1.0; + let referenceSpace = null; + let referenceSpaceType = 'local-floor'; + let foveation = 1.0; + let customReferenceSpace = null; + let pose = null; + let glBinding = null; + let glProjLayer = null; + let glBaseLayer = null; + let xrFrame = null; + const depthSensing = new WebXRDepthSensing(); + const attributes = gl.getContextAttributes(); + let initialRenderTarget = null; + let newRenderTarget = null; + const controllers = []; + const controllerInputSources = []; + const currentSize = new Vector2(); + let currentPixelRatio = null; + const cameraL = new PerspectiveCamera(); + cameraL.viewport = new Vector4(); + const cameraR = new PerspectiveCamera(); + cameraR.viewport = new Vector4(); + const cameras = [ cameraL, cameraR ]; + const cameraXR = new ArrayCamera(); + let _currentDepthNear = null; + let _currentDepthFar = null; + this.cameraAutoUpdate = true; + this.enabled = false; + this.isPresenting = false; + this.getController = function ( index ) { + let controller = controllers[ index ]; + if ( controller === undefined ) { + controller = new WebXRController(); + controllers[ index ] = controller; + } + return controller.getTargetRaySpace(); + }; + this.getControllerGrip = function ( index ) { + let controller = controllers[ index ]; + if ( controller === undefined ) { + controller = new WebXRController(); + controllers[ index ] = controller; + } + return controller.getGripSpace(); + }; + this.getHand = function ( index ) { + let controller = controllers[ index ]; + if ( controller === undefined ) { + controller = new WebXRController(); + controllers[ index ] = controller; + } + return controller.getHandSpace(); + }; + function onSessionEvent( event ) { + const controllerIndex = controllerInputSources.indexOf( event.inputSource ); + if ( controllerIndex === -1 ) { + return; + } + const controller = controllers[ controllerIndex ]; + if ( controller !== undefined ) { + controller.update( event.inputSource, event.frame, customReferenceSpace || referenceSpace ); + controller.dispatchEvent( { type: event.type, data: event.inputSource } ); + } + } + function onSessionEnd() { + session.removeEventListener( 'select', onSessionEvent ); + session.removeEventListener( 'selectstart', onSessionEvent ); + session.removeEventListener( 'selectend', onSessionEvent ); + session.removeEventListener( 'squeeze', onSessionEvent ); + session.removeEventListener( 'squeezestart', onSessionEvent ); + session.removeEventListener( 'squeezeend', onSessionEvent ); + session.removeEventListener( 'end', onSessionEnd ); + session.removeEventListener( 'inputsourceschange', onInputSourcesChange ); + for ( let i = 0; i < controllers.length; i ++ ) { + const inputSource = controllerInputSources[ i ]; + if ( inputSource === null ) continue; + controllerInputSources[ i ] = null; + controllers[ i ].disconnect( inputSource ); + } + _currentDepthNear = null; + _currentDepthFar = null; + depthSensing.reset(); + renderer.setRenderTarget( initialRenderTarget ); + glBaseLayer = null; + glProjLayer = null; + glBinding = null; + session = null; + newRenderTarget = null; + animation.stop(); + scope.isPresenting = false; + renderer.setPixelRatio( currentPixelRatio ); + renderer.setSize( currentSize.width, currentSize.height, false ); + scope.dispatchEvent( { type: 'sessionend' } ); + } + this.setFramebufferScaleFactor = function ( value ) { + framebufferScaleFactor = value; + if ( scope.isPresenting === true ) { + console.warn( 'THREE.WebXRManager: Cannot change framebuffer scale while presenting.' ); + } + }; + this.setReferenceSpaceType = function ( value ) { + referenceSpaceType = value; + if ( scope.isPresenting === true ) { + console.warn( 'THREE.WebXRManager: Cannot change reference space type while presenting.' ); + } + }; + this.getReferenceSpace = function () { + return customReferenceSpace || referenceSpace; + }; + this.setReferenceSpace = function ( space ) { + customReferenceSpace = space; + }; + this.getBaseLayer = function () { + return glProjLayer !== null ? glProjLayer : glBaseLayer; + }; + this.getBinding = function () { + return glBinding; + }; + this.getFrame = function () { + return xrFrame; + }; + this.getSession = function () { + return session; + }; + this.setSession = async function ( value ) { + session = value; + if ( session !== null ) { + initialRenderTarget = renderer.getRenderTarget(); + session.addEventListener( 'select', onSessionEvent ); + session.addEventListener( 'selectstart', onSessionEvent ); + session.addEventListener( 'selectend', onSessionEvent ); + session.addEventListener( 'squeeze', onSessionEvent ); + session.addEventListener( 'squeezestart', onSessionEvent ); + session.addEventListener( 'squeezeend', onSessionEvent ); + session.addEventListener( 'end', onSessionEnd ); + session.addEventListener( 'inputsourceschange', onInputSourcesChange ); + if ( attributes.xrCompatible !== true ) { + await gl.makeXRCompatible(); + } + currentPixelRatio = renderer.getPixelRatio(); + renderer.getSize( currentSize ); + const useLayers = typeof XRWebGLBinding !== 'undefined' && 'createProjectionLayer' in XRWebGLBinding.prototype; + if ( ! useLayers ) { + const layerInit = { + antialias: attributes.antialias, + alpha: true, + depth: attributes.depth, + stencil: attributes.stencil, + framebufferScaleFactor: framebufferScaleFactor + }; + glBaseLayer = new XRWebGLLayer( session, gl, layerInit ); + session.updateRenderState( { baseLayer: glBaseLayer } ); + renderer.setPixelRatio( 1 ); + renderer.setSize( glBaseLayer.framebufferWidth, glBaseLayer.framebufferHeight, false ); + newRenderTarget = new WebGLRenderTarget( + glBaseLayer.framebufferWidth, + glBaseLayer.framebufferHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + colorSpace: renderer.outputColorSpace, + stencilBuffer: attributes.stencil, + resolveDepthBuffer: ( glBaseLayer.ignoreDepthValues === false ), + resolveStencilBuffer: ( glBaseLayer.ignoreDepthValues === false ) + } + ); + } else { + let depthFormat = null; + let depthType = null; + let glDepthFormat = null; + if ( attributes.depth ) { + glDepthFormat = attributes.stencil ? gl.DEPTH24_STENCIL8 : gl.DEPTH_COMPONENT24; + depthFormat = attributes.stencil ? DepthStencilFormat : DepthFormat; + depthType = attributes.stencil ? UnsignedInt248Type : UnsignedIntType; + } + const projectionlayerInit = { + colorFormat: gl.RGBA8, + depthFormat: glDepthFormat, + scaleFactor: framebufferScaleFactor + }; + glBinding = new XRWebGLBinding( session, gl ); + glProjLayer = glBinding.createProjectionLayer( projectionlayerInit ); + session.updateRenderState( { layers: [ glProjLayer ] } ); + renderer.setPixelRatio( 1 ); + renderer.setSize( glProjLayer.textureWidth, glProjLayer.textureHeight, false ); + newRenderTarget = new WebGLRenderTarget( + glProjLayer.textureWidth, + glProjLayer.textureHeight, + { + format: RGBAFormat, + type: UnsignedByteType, + depthTexture: new DepthTexture( glProjLayer.textureWidth, glProjLayer.textureHeight, depthType, undefined, undefined, undefined, undefined, undefined, undefined, depthFormat ), + stencilBuffer: attributes.stencil, + colorSpace: renderer.outputColorSpace, + samples: attributes.antialias ? 4 : 0, + resolveDepthBuffer: ( glProjLayer.ignoreDepthValues === false ), + resolveStencilBuffer: ( glProjLayer.ignoreDepthValues === false ) + } ); + } + newRenderTarget.isXRRenderTarget = true; + this.setFoveation( foveation ); + customReferenceSpace = null; + referenceSpace = await session.requestReferenceSpace( referenceSpaceType ); + animation.setContext( session ); + animation.start(); + scope.isPresenting = true; + scope.dispatchEvent( { type: 'sessionstart' } ); + } + }; + this.getEnvironmentBlendMode = function () { + if ( session !== null ) { + return session.environmentBlendMode; + } + }; + this.getDepthTexture = function () { + return depthSensing.getDepthTexture(); + }; + function onInputSourcesChange( event ) { + for ( let i = 0; i < event.removed.length; i ++ ) { + const inputSource = event.removed[ i ]; + const index = controllerInputSources.indexOf( inputSource ); + if ( index >= 0 ) { + controllerInputSources[ index ] = null; + controllers[ index ].disconnect( inputSource ); + } + } + for ( let i = 0; i < event.added.length; i ++ ) { + const inputSource = event.added[ i ]; + let controllerIndex = controllerInputSources.indexOf( inputSource ); + if ( controllerIndex === -1 ) { + for ( let i = 0; i < controllers.length; i ++ ) { + if ( i >= controllerInputSources.length ) { + controllerInputSources.push( inputSource ); + controllerIndex = i; + break; + } else if ( controllerInputSources[ i ] === null ) { + controllerInputSources[ i ] = inputSource; + controllerIndex = i; + break; + } + } + if ( controllerIndex === -1 ) break; + } + const controller = controllers[ controllerIndex ]; + if ( controller ) { + controller.connect( inputSource ); + } + } + } + const cameraLPos = new Vector3(); + const cameraRPos = new Vector3(); + function setProjectionFromUnion( camera, cameraL, cameraR ) { + cameraLPos.setFromMatrixPosition( cameraL.matrixWorld ); + cameraRPos.setFromMatrixPosition( cameraR.matrixWorld ); + const ipd = cameraLPos.distanceTo( cameraRPos ); + const projL = cameraL.projectionMatrix.elements; + const projR = cameraR.projectionMatrix.elements; + const near = projL[ 14 ] / ( projL[ 10 ] - 1 ); + const far = projL[ 14 ] / ( projL[ 10 ] + 1 ); + const topFov = ( projL[ 9 ] + 1 ) / projL[ 5 ]; + const bottomFov = ( projL[ 9 ] - 1 ) / projL[ 5 ]; + const leftFov = ( projL[ 8 ] - 1 ) / projL[ 0 ]; + const rightFov = ( projR[ 8 ] + 1 ) / projR[ 0 ]; + const left = near * leftFov; + const right = near * rightFov; + const zOffset = ipd / ( - leftFov + rightFov ); + const xOffset = zOffset * - leftFov; + cameraL.matrixWorld.decompose( camera.position, camera.quaternion, camera.scale ); + camera.translateX( xOffset ); + camera.translateZ( zOffset ); + camera.matrixWorld.compose( camera.position, camera.quaternion, camera.scale ); + camera.matrixWorldInverse.copy( camera.matrixWorld ).invert(); + if ( projL[ 10 ] === -1 ) { + camera.projectionMatrix.copy( cameraL.projectionMatrix ); + camera.projectionMatrixInverse.copy( cameraL.projectionMatrixInverse ); + } else { + const near2 = near + zOffset; + const far2 = far + zOffset; + const left2 = left - xOffset; + const right2 = right + ( ipd - xOffset ); + const top2 = topFov * far / far2 * near2; + const bottom2 = bottomFov * far / far2 * near2; + camera.projectionMatrix.makePerspective( left2, right2, top2, bottom2, near2, far2 ); + camera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert(); + } + } + function updateCamera( camera, parent ) { + if ( parent === null ) { + camera.matrixWorld.copy( camera.matrix ); + } else { + camera.matrixWorld.multiplyMatrices( parent.matrixWorld, camera.matrix ); + } + camera.matrixWorldInverse.copy( camera.matrixWorld ).invert(); + } + this.updateCamera = function ( camera ) { + if ( session === null ) return; + let depthNear = camera.near; + let depthFar = camera.far; + if ( depthSensing.texture !== null ) { + if ( depthSensing.depthNear > 0 ) depthNear = depthSensing.depthNear; + if ( depthSensing.depthFar > 0 ) depthFar = depthSensing.depthFar; + } + cameraXR.near = cameraR.near = cameraL.near = depthNear; + cameraXR.far = cameraR.far = cameraL.far = depthFar; + if ( _currentDepthNear !== cameraXR.near || _currentDepthFar !== cameraXR.far ) { + session.updateRenderState( { + depthNear: cameraXR.near, + depthFar: cameraXR.far + } ); + _currentDepthNear = cameraXR.near; + _currentDepthFar = cameraXR.far; + } + cameraL.layers.mask = camera.layers.mask | 0b010; + cameraR.layers.mask = camera.layers.mask | 0b100; + cameraXR.layers.mask = cameraL.layers.mask | cameraR.layers.mask; + const parent = camera.parent; + const cameras = cameraXR.cameras; + updateCamera( cameraXR, parent ); + for ( let i = 0; i < cameras.length; i ++ ) { + updateCamera( cameras[ i ], parent ); + } + if ( cameras.length === 2 ) { + setProjectionFromUnion( cameraXR, cameraL, cameraR ); + } else { + cameraXR.projectionMatrix.copy( cameraL.projectionMatrix ); + } + updateUserCamera( camera, cameraXR, parent ); + }; + function updateUserCamera( camera, cameraXR, parent ) { + if ( parent === null ) { + camera.matrix.copy( cameraXR.matrixWorld ); + } else { + camera.matrix.copy( parent.matrixWorld ); + camera.matrix.invert(); + camera.matrix.multiply( cameraXR.matrixWorld ); + } + camera.matrix.decompose( camera.position, camera.quaternion, camera.scale ); + camera.updateMatrixWorld( true ); + camera.projectionMatrix.copy( cameraXR.projectionMatrix ); + camera.projectionMatrixInverse.copy( cameraXR.projectionMatrixInverse ); + if ( camera.isPerspectiveCamera ) { + camera.fov = RAD2DEG * 2 * Math.atan( 1 / camera.projectionMatrix.elements[ 5 ] ); + camera.zoom = 1; + } + } + this.getCamera = function () { + return cameraXR; + }; + this.getFoveation = function () { + if ( glProjLayer === null && glBaseLayer === null ) { + return undefined; + } + return foveation; + }; + this.setFoveation = function ( value ) { + foveation = value; + if ( glProjLayer !== null ) { + glProjLayer.fixedFoveation = value; + } + if ( glBaseLayer !== null && glBaseLayer.fixedFoveation !== undefined ) { + glBaseLayer.fixedFoveation = value; + } + }; + this.hasDepthSensing = function () { + return depthSensing.texture !== null; + }; + this.getDepthSensingMesh = function () { + return depthSensing.getMesh( cameraXR ); + }; + let onAnimationFrameCallback = null; + function onAnimationFrame( time, frame ) { + pose = frame.getViewerPose( customReferenceSpace || referenceSpace ); + xrFrame = frame; + if ( pose !== null ) { + const views = pose.views; + if ( glBaseLayer !== null ) { + renderer.setRenderTargetFramebuffer( newRenderTarget, glBaseLayer.framebuffer ); + renderer.setRenderTarget( newRenderTarget ); + } + let cameraXRNeedsUpdate = false; + if ( views.length !== cameraXR.cameras.length ) { + cameraXR.cameras.length = 0; + cameraXRNeedsUpdate = true; + } + for ( let i = 0; i < views.length; i ++ ) { + const view = views[ i ]; + let viewport = null; + if ( glBaseLayer !== null ) { + viewport = glBaseLayer.getViewport( view ); + } else { + const glSubImage = glBinding.getViewSubImage( glProjLayer, view ); + viewport = glSubImage.viewport; + if ( i === 0 ) { + renderer.setRenderTargetTextures( + newRenderTarget, + glSubImage.colorTexture, + glSubImage.depthStencilTexture ); + renderer.setRenderTarget( newRenderTarget ); + } + } + let camera = cameras[ i ]; + if ( camera === undefined ) { + camera = new PerspectiveCamera(); + camera.layers.enable( i ); + camera.viewport = new Vector4(); + cameras[ i ] = camera; + } + camera.matrix.fromArray( view.transform.matrix ); + camera.matrix.decompose( camera.position, camera.quaternion, camera.scale ); + camera.projectionMatrix.fromArray( view.projectionMatrix ); + camera.projectionMatrixInverse.copy( camera.projectionMatrix ).invert(); + camera.viewport.set( viewport.x, viewport.y, viewport.width, viewport.height ); + if ( i === 0 ) { + cameraXR.matrix.copy( camera.matrix ); + cameraXR.matrix.decompose( cameraXR.position, cameraXR.quaternion, cameraXR.scale ); + } + if ( cameraXRNeedsUpdate === true ) { + cameraXR.cameras.push( camera ); + } + } + const enabledFeatures = session.enabledFeatures; + const gpuDepthSensingEnabled = enabledFeatures && + enabledFeatures.includes( 'depth-sensing' ) && + session.depthUsage == 'gpu-optimized'; + if ( gpuDepthSensingEnabled && glBinding ) { + const depthData = glBinding.getDepthInformation( views[ 0 ] ); + if ( depthData && depthData.isValid && depthData.texture ) { + depthSensing.init( renderer, depthData, session.renderState ); + } + } + } + for ( let i = 0; i < controllers.length; i ++ ) { + const inputSource = controllerInputSources[ i ]; + const controller = controllers[ i ]; + if ( inputSource !== null && controller !== undefined ) { + controller.update( inputSource, frame, customReferenceSpace || referenceSpace ); + } + } + if ( onAnimationFrameCallback ) onAnimationFrameCallback( time, frame ); + if ( frame.detectedPlanes ) { + scope.dispatchEvent( { type: 'planesdetected', data: frame } ); + } + xrFrame = null; + } + const animation = new WebGLAnimation(); + animation.setAnimationLoop( onAnimationFrame ); + this.setAnimationLoop = function ( callback ) { + onAnimationFrameCallback = callback; + }; + this.dispose = function () {}; + } + } + const _e1 = new Euler(); + const _m1 = new Matrix4(); + function WebGLMaterials( renderer, properties ) { + function refreshTransformUniform( map, uniform ) { + if ( map.matrixAutoUpdate === true ) { + map.updateMatrix(); + } + uniform.value.copy( map.matrix ); + } + function refreshFogUniforms( uniforms, fog ) { + fog.color.getRGB( uniforms.fogColor.value, getUnlitUniformColorSpace( renderer ) ); + if ( fog.isFog ) { + uniforms.fogNear.value = fog.near; + uniforms.fogFar.value = fog.far; + } else if ( fog.isFogExp2 ) { + uniforms.fogDensity.value = fog.density; + } + } + function refreshMaterialUniforms( uniforms, material, pixelRatio, height, transmissionRenderTarget ) { + if ( material.isMeshBasicMaterial ) { + refreshUniformsCommon( uniforms, material ); + } else if ( material.isMeshLambertMaterial ) { + refreshUniformsCommon( uniforms, material ); + } else if ( material.isMeshToonMaterial ) { + refreshUniformsCommon( uniforms, material ); + refreshUniformsToon( uniforms, material ); + } else if ( material.isMeshPhongMaterial ) { + refreshUniformsCommon( uniforms, material ); + refreshUniformsPhong( uniforms, material ); + } else if ( material.isMeshStandardMaterial ) { + refreshUniformsCommon( uniforms, material ); + refreshUniformsStandard( uniforms, material ); + if ( material.isMeshPhysicalMaterial ) { + refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ); + } + } else if ( material.isMeshMatcapMaterial ) { + refreshUniformsCommon( uniforms, material ); + refreshUniformsMatcap( uniforms, material ); + } else if ( material.isMeshDepthMaterial ) { + refreshUniformsCommon( uniforms, material ); + } else if ( material.isMeshDistanceMaterial ) { + refreshUniformsCommon( uniforms, material ); + refreshUniformsDistance( uniforms, material ); + } else if ( material.isMeshNormalMaterial ) { + refreshUniformsCommon( uniforms, material ); + } else if ( material.isLineBasicMaterial ) { + refreshUniformsLine( uniforms, material ); + if ( material.isLineDashedMaterial ) { + refreshUniformsDash( uniforms, material ); + } + } else if ( material.isPointsMaterial ) { + refreshUniformsPoints( uniforms, material, pixelRatio, height ); + } else if ( material.isSpriteMaterial ) { + refreshUniformsSprites( uniforms, material ); + } else if ( material.isShadowMaterial ) { + uniforms.color.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + } else if ( material.isShaderMaterial ) { + material.uniformsNeedUpdate = false; + } + } + function refreshUniformsCommon( uniforms, material ) { + uniforms.opacity.value = material.opacity; + if ( material.color ) { + uniforms.diffuse.value.copy( material.color ); + } + if ( material.emissive ) { + uniforms.emissive.value.copy( material.emissive ).multiplyScalar( material.emissiveIntensity ); + } + if ( material.map ) { + uniforms.map.value = material.map; + refreshTransformUniform( material.map, uniforms.mapTransform ); + } + if ( material.alphaMap ) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform ); + } + if ( material.bumpMap ) { + uniforms.bumpMap.value = material.bumpMap; + refreshTransformUniform( material.bumpMap, uniforms.bumpMapTransform ); + uniforms.bumpScale.value = material.bumpScale; + if ( material.side === BackSide ) { + uniforms.bumpScale.value *= -1; + } + } + if ( material.normalMap ) { + uniforms.normalMap.value = material.normalMap; + refreshTransformUniform( material.normalMap, uniforms.normalMapTransform ); + uniforms.normalScale.value.copy( material.normalScale ); + if ( material.side === BackSide ) { + uniforms.normalScale.value.negate(); + } + } + if ( material.displacementMap ) { + uniforms.displacementMap.value = material.displacementMap; + refreshTransformUniform( material.displacementMap, uniforms.displacementMapTransform ); + uniforms.displacementScale.value = material.displacementScale; + uniforms.displacementBias.value = material.displacementBias; + } + if ( material.emissiveMap ) { + uniforms.emissiveMap.value = material.emissiveMap; + refreshTransformUniform( material.emissiveMap, uniforms.emissiveMapTransform ); + } + if ( material.specularMap ) { + uniforms.specularMap.value = material.specularMap; + refreshTransformUniform( material.specularMap, uniforms.specularMapTransform ); + } + if ( material.alphaTest > 0 ) { + uniforms.alphaTest.value = material.alphaTest; + } + const materialProperties = properties.get( material ); + const envMap = materialProperties.envMap; + const envMapRotation = materialProperties.envMapRotation; + if ( envMap ) { + uniforms.envMap.value = envMap; + _e1.copy( envMapRotation ); + _e1.x *= -1; _e1.y *= -1; _e1.z *= -1; + if ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) { + _e1.y *= -1; + _e1.z *= -1; + } + uniforms.envMapRotation.value.setFromMatrix4( _m1.makeRotationFromEuler( _e1 ) ); + uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? -1 : 1; + uniforms.reflectivity.value = material.reflectivity; + uniforms.ior.value = material.ior; + uniforms.refractionRatio.value = material.refractionRatio; + } + if ( material.lightMap ) { + uniforms.lightMap.value = material.lightMap; + uniforms.lightMapIntensity.value = material.lightMapIntensity; + refreshTransformUniform( material.lightMap, uniforms.lightMapTransform ); + } + if ( material.aoMap ) { + uniforms.aoMap.value = material.aoMap; + uniforms.aoMapIntensity.value = material.aoMapIntensity; + refreshTransformUniform( material.aoMap, uniforms.aoMapTransform ); + } + } + function refreshUniformsLine( uniforms, material ) { + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + if ( material.map ) { + uniforms.map.value = material.map; + refreshTransformUniform( material.map, uniforms.mapTransform ); + } + } + function refreshUniformsDash( uniforms, material ) { + uniforms.dashSize.value = material.dashSize; + uniforms.totalSize.value = material.dashSize + material.gapSize; + uniforms.scale.value = material.scale; + } + function refreshUniformsPoints( uniforms, material, pixelRatio, height ) { + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + uniforms.size.value = material.size * pixelRatio; + uniforms.scale.value = height * 0.5; + if ( material.map ) { + uniforms.map.value = material.map; + refreshTransformUniform( material.map, uniforms.uvTransform ); + } + if ( material.alphaMap ) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform ); + } + if ( material.alphaTest > 0 ) { + uniforms.alphaTest.value = material.alphaTest; + } + } + function refreshUniformsSprites( uniforms, material ) { + uniforms.diffuse.value.copy( material.color ); + uniforms.opacity.value = material.opacity; + uniforms.rotation.value = material.rotation; + if ( material.map ) { + uniforms.map.value = material.map; + refreshTransformUniform( material.map, uniforms.mapTransform ); + } + if ( material.alphaMap ) { + uniforms.alphaMap.value = material.alphaMap; + refreshTransformUniform( material.alphaMap, uniforms.alphaMapTransform ); + } + if ( material.alphaTest > 0 ) { + uniforms.alphaTest.value = material.alphaTest; + } + } + function refreshUniformsPhong( uniforms, material ) { + uniforms.specular.value.copy( material.specular ); + uniforms.shininess.value = Math.max( material.shininess, 1e-4 ); + } + function refreshUniformsToon( uniforms, material ) { + if ( material.gradientMap ) { + uniforms.gradientMap.value = material.gradientMap; + } + } + function refreshUniformsStandard( uniforms, material ) { + uniforms.metalness.value = material.metalness; + if ( material.metalnessMap ) { + uniforms.metalnessMap.value = material.metalnessMap; + refreshTransformUniform( material.metalnessMap, uniforms.metalnessMapTransform ); + } + uniforms.roughness.value = material.roughness; + if ( material.roughnessMap ) { + uniforms.roughnessMap.value = material.roughnessMap; + refreshTransformUniform( material.roughnessMap, uniforms.roughnessMapTransform ); + } + if ( material.envMap ) { + uniforms.envMapIntensity.value = material.envMapIntensity; + } + } + function refreshUniformsPhysical( uniforms, material, transmissionRenderTarget ) { + uniforms.ior.value = material.ior; + if ( material.sheen > 0 ) { + uniforms.sheenColor.value.copy( material.sheenColor ).multiplyScalar( material.sheen ); + uniforms.sheenRoughness.value = material.sheenRoughness; + if ( material.sheenColorMap ) { + uniforms.sheenColorMap.value = material.sheenColorMap; + refreshTransformUniform( material.sheenColorMap, uniforms.sheenColorMapTransform ); + } + if ( material.sheenRoughnessMap ) { + uniforms.sheenRoughnessMap.value = material.sheenRoughnessMap; + refreshTransformUniform( material.sheenRoughnessMap, uniforms.sheenRoughnessMapTransform ); + } + } + if ( material.clearcoat > 0 ) { + uniforms.clearcoat.value = material.clearcoat; + uniforms.clearcoatRoughness.value = material.clearcoatRoughness; + if ( material.clearcoatMap ) { + uniforms.clearcoatMap.value = material.clearcoatMap; + refreshTransformUniform( material.clearcoatMap, uniforms.clearcoatMapTransform ); + } + if ( material.clearcoatRoughnessMap ) { + uniforms.clearcoatRoughnessMap.value = material.clearcoatRoughnessMap; + refreshTransformUniform( material.clearcoatRoughnessMap, uniforms.clearcoatRoughnessMapTransform ); + } + if ( material.clearcoatNormalMap ) { + uniforms.clearcoatNormalMap.value = material.clearcoatNormalMap; + refreshTransformUniform( material.clearcoatNormalMap, uniforms.clearcoatNormalMapTransform ); + uniforms.clearcoatNormalScale.value.copy( material.clearcoatNormalScale ); + if ( material.side === BackSide ) { + uniforms.clearcoatNormalScale.value.negate(); + } + } + } + if ( material.dispersion > 0 ) { + uniforms.dispersion.value = material.dispersion; + } + if ( material.iridescence > 0 ) { + uniforms.iridescence.value = material.iridescence; + uniforms.iridescenceIOR.value = material.iridescenceIOR; + uniforms.iridescenceThicknessMinimum.value = material.iridescenceThicknessRange[ 0 ]; + uniforms.iridescenceThicknessMaximum.value = material.iridescenceThicknessRange[ 1 ]; + if ( material.iridescenceMap ) { + uniforms.iridescenceMap.value = material.iridescenceMap; + refreshTransformUniform( material.iridescenceMap, uniforms.iridescenceMapTransform ); + } + if ( material.iridescenceThicknessMap ) { + uniforms.iridescenceThicknessMap.value = material.iridescenceThicknessMap; + refreshTransformUniform( material.iridescenceThicknessMap, uniforms.iridescenceThicknessMapTransform ); + } + } + if ( material.transmission > 0 ) { + uniforms.transmission.value = material.transmission; + uniforms.transmissionSamplerMap.value = transmissionRenderTarget.texture; + uniforms.transmissionSamplerSize.value.set( transmissionRenderTarget.width, transmissionRenderTarget.height ); + if ( material.transmissionMap ) { + uniforms.transmissionMap.value = material.transmissionMap; + refreshTransformUniform( material.transmissionMap, uniforms.transmissionMapTransform ); + } + uniforms.thickness.value = material.thickness; + if ( material.thicknessMap ) { + uniforms.thicknessMap.value = material.thicknessMap; + refreshTransformUniform( material.thicknessMap, uniforms.thicknessMapTransform ); + } + uniforms.attenuationDistance.value = material.attenuationDistance; + uniforms.attenuationColor.value.copy( material.attenuationColor ); + } + if ( material.anisotropy > 0 ) { + uniforms.anisotropyVector.value.set( material.anisotropy * Math.cos( material.anisotropyRotation ), material.anisotropy * Math.sin( material.anisotropyRotation ) ); + if ( material.anisotropyMap ) { + uniforms.anisotropyMap.value = material.anisotropyMap; + refreshTransformUniform( material.anisotropyMap, uniforms.anisotropyMapTransform ); + } + } + uniforms.specularIntensity.value = material.specularIntensity; + uniforms.specularColor.value.copy( material.specularColor ); + if ( material.specularColorMap ) { + uniforms.specularColorMap.value = material.specularColorMap; + refreshTransformUniform( material.specularColorMap, uniforms.specularColorMapTransform ); + } + if ( material.specularIntensityMap ) { + uniforms.specularIntensityMap.value = material.specularIntensityMap; + refreshTransformUniform( material.specularIntensityMap, uniforms.specularIntensityMapTransform ); + } + } + function refreshUniformsMatcap( uniforms, material ) { + if ( material.matcap ) { + uniforms.matcap.value = material.matcap; + } + } + function refreshUniformsDistance( uniforms, material ) { + const light = properties.get( material ).light; + uniforms.referencePosition.value.setFromMatrixPosition( light.matrixWorld ); + uniforms.nearDistance.value = light.shadow.camera.near; + uniforms.farDistance.value = light.shadow.camera.far; + } + return { + refreshFogUniforms: refreshFogUniforms, + refreshMaterialUniforms: refreshMaterialUniforms + }; + } + function WebGLUniformsGroups( gl, info, capabilities, state ) { + let buffers = {}; + let updateList = {}; + let allocatedBindingPoints = []; + const maxBindingPoints = gl.getParameter( gl.MAX_UNIFORM_BUFFER_BINDINGS ); + function bind( uniformsGroup, program ) { + const webglProgram = program.program; + state.uniformBlockBinding( uniformsGroup, webglProgram ); + } + function update( uniformsGroup, program ) { + let buffer = buffers[ uniformsGroup.id ]; + if ( buffer === undefined ) { + prepareUniformsGroup( uniformsGroup ); + buffer = createBuffer( uniformsGroup ); + buffers[ uniformsGroup.id ] = buffer; + uniformsGroup.addEventListener( 'dispose', onUniformsGroupsDispose ); + } + const webglProgram = program.program; + state.updateUBOMapping( uniformsGroup, webglProgram ); + const frame = info.render.frame; + if ( updateList[ uniformsGroup.id ] !== frame ) { + updateBufferData( uniformsGroup ); + updateList[ uniformsGroup.id ] = frame; + } + } + function createBuffer( uniformsGroup ) { + const bindingPointIndex = allocateBindingPointIndex(); + uniformsGroup.__bindingPointIndex = bindingPointIndex; + const buffer = gl.createBuffer(); + const size = uniformsGroup.__size; + const usage = uniformsGroup.usage; + gl.bindBuffer( gl.UNIFORM_BUFFER, buffer ); + gl.bufferData( gl.UNIFORM_BUFFER, size, usage ); + gl.bindBuffer( gl.UNIFORM_BUFFER, null ); + gl.bindBufferBase( gl.UNIFORM_BUFFER, bindingPointIndex, buffer ); + return buffer; + } + function allocateBindingPointIndex() { + for ( let i = 0; i < maxBindingPoints; i ++ ) { + if ( allocatedBindingPoints.indexOf( i ) === -1 ) { + allocatedBindingPoints.push( i ); + return i; + } + } + console.error( 'THREE.WebGLRenderer: Maximum number of simultaneously usable uniforms groups reached.' ); + return 0; + } + function updateBufferData( uniformsGroup ) { + const buffer = buffers[ uniformsGroup.id ]; + const uniforms = uniformsGroup.uniforms; + const cache = uniformsGroup.__cache; + gl.bindBuffer( gl.UNIFORM_BUFFER, buffer ); + for ( let i = 0, il = uniforms.length; i < il; i ++ ) { + const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ]; + for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) { + const uniform = uniformArray[ j ]; + if ( hasUniformChanged( uniform, i, j, cache ) === true ) { + const offset = uniform.__offset; + const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ]; + let arrayOffset = 0; + for ( let k = 0; k < values.length; k ++ ) { + const value = values[ k ]; + const info = getUniformSize( value ); + if ( typeof value === 'number' || typeof value === 'boolean' ) { + uniform.__data[ 0 ] = value; + gl.bufferSubData( gl.UNIFORM_BUFFER, offset + arrayOffset, uniform.__data ); + } else if ( value.isMatrix3 ) { + uniform.__data[ 0 ] = value.elements[ 0 ]; + uniform.__data[ 1 ] = value.elements[ 1 ]; + uniform.__data[ 2 ] = value.elements[ 2 ]; + uniform.__data[ 3 ] = 0; + uniform.__data[ 4 ] = value.elements[ 3 ]; + uniform.__data[ 5 ] = value.elements[ 4 ]; + uniform.__data[ 6 ] = value.elements[ 5 ]; + uniform.__data[ 7 ] = 0; + uniform.__data[ 8 ] = value.elements[ 6 ]; + uniform.__data[ 9 ] = value.elements[ 7 ]; + uniform.__data[ 10 ] = value.elements[ 8 ]; + uniform.__data[ 11 ] = 0; + } else { + value.toArray( uniform.__data, arrayOffset ); + arrayOffset += info.storage / Float32Array.BYTES_PER_ELEMENT; + } + } + gl.bufferSubData( gl.UNIFORM_BUFFER, offset, uniform.__data ); + } + } + } + gl.bindBuffer( gl.UNIFORM_BUFFER, null ); + } + function hasUniformChanged( uniform, index, indexArray, cache ) { + const value = uniform.value; + const indexString = index + '_' + indexArray; + if ( cache[ indexString ] === undefined ) { + if ( typeof value === 'number' || typeof value === 'boolean' ) { + cache[ indexString ] = value; + } else { + cache[ indexString ] = value.clone(); + } + return true; + } else { + const cachedObject = cache[ indexString ]; + if ( typeof value === 'number' || typeof value === 'boolean' ) { + if ( cachedObject !== value ) { + cache[ indexString ] = value; + return true; + } + } else { + if ( cachedObject.equals( value ) === false ) { + cachedObject.copy( value ); + return true; + } + } + } + return false; + } + function prepareUniformsGroup( uniformsGroup ) { + const uniforms = uniformsGroup.uniforms; + let offset = 0; + const chunkSize = 16; + for ( let i = 0, l = uniforms.length; i < l; i ++ ) { + const uniformArray = Array.isArray( uniforms[ i ] ) ? uniforms[ i ] : [ uniforms[ i ] ]; + for ( let j = 0, jl = uniformArray.length; j < jl; j ++ ) { + const uniform = uniformArray[ j ]; + const values = Array.isArray( uniform.value ) ? uniform.value : [ uniform.value ]; + for ( let k = 0, kl = values.length; k < kl; k ++ ) { + const value = values[ k ]; + const info = getUniformSize( value ); + const chunkOffset = offset % chunkSize; + const chunkPadding = chunkOffset % info.boundary; + const chunkStart = chunkOffset + chunkPadding; + offset += chunkPadding; + if ( chunkStart !== 0 && ( chunkSize - chunkStart ) < info.storage ) { + offset += ( chunkSize - chunkStart ); + } + uniform.__data = new Float32Array( info.storage / Float32Array.BYTES_PER_ELEMENT ); + uniform.__offset = offset; + offset += info.storage; + } + } + } + const chunkOffset = offset % chunkSize; + if ( chunkOffset > 0 ) offset += ( chunkSize - chunkOffset ); + uniformsGroup.__size = offset; + uniformsGroup.__cache = {}; + return this; + } + function getUniformSize( value ) { + const info = { + boundary: 0, + storage: 0 + }; + if ( typeof value === 'number' || typeof value === 'boolean' ) { + info.boundary = 4; + info.storage = 4; + } else if ( value.isVector2 ) { + info.boundary = 8; + info.storage = 8; + } else if ( value.isVector3 || value.isColor ) { + info.boundary = 16; + info.storage = 12; + } else if ( value.isVector4 ) { + info.boundary = 16; + info.storage = 16; + } else if ( value.isMatrix3 ) { + info.boundary = 48; + info.storage = 48; + } else if ( value.isMatrix4 ) { + info.boundary = 64; + info.storage = 64; + } else if ( value.isTexture ) { + console.warn( 'THREE.WebGLRenderer: Texture samplers can not be part of an uniforms group.' ); + } else { + console.warn( 'THREE.WebGLRenderer: Unsupported uniform value type.', value ); + } + return info; + } + function onUniformsGroupsDispose( event ) { + const uniformsGroup = event.target; + uniformsGroup.removeEventListener( 'dispose', onUniformsGroupsDispose ); + const index = allocatedBindingPoints.indexOf( uniformsGroup.__bindingPointIndex ); + allocatedBindingPoints.splice( index, 1 ); + gl.deleteBuffer( buffers[ uniformsGroup.id ] ); + delete buffers[ uniformsGroup.id ]; + delete updateList[ uniformsGroup.id ]; + } + function dispose() { + for ( const id in buffers ) { + gl.deleteBuffer( buffers[ id ] ); + } + allocatedBindingPoints = []; + buffers = {}; + updateList = {}; + } + return { + bind: bind, + update: update, + dispose: dispose + }; + } + class WebGLRenderer { + constructor( parameters = {} ) { + const { + canvas = createCanvasElement(), + context = null, + depth = true, + stencil = false, + alpha = false, + antialias = false, + premultipliedAlpha = true, + preserveDrawingBuffer = false, + powerPreference = 'default', + failIfMajorPerformanceCaveat = false, + reverseDepthBuffer = false, + } = parameters; + this.isWebGLRenderer = true; + let _alpha; + if ( context !== null ) { + if ( typeof WebGLRenderingContext !== 'undefined' && context instanceof WebGLRenderingContext ) { + throw new Error( 'THREE.WebGLRenderer: WebGL 1 is not supported since r163.' ); + } + _alpha = context.getContextAttributes().alpha; + } else { + _alpha = alpha; + } + const uintClearColor = new Uint32Array( 4 ); + const intClearColor = new Int32Array( 4 ); + let currentRenderList = null; + let currentRenderState = null; + const renderListStack = []; + const renderStateStack = []; + this.domElement = canvas; + this.debug = { + checkShaderErrors: true, + onShaderError: null + }; + this.autoClear = true; + this.autoClearColor = true; + this.autoClearDepth = true; + this.autoClearStencil = true; + this.sortObjects = true; + this.clippingPlanes = []; + this.localClippingEnabled = false; + this.toneMapping = NoToneMapping; + this.toneMappingExposure = 1.0; + this.transmissionResolutionScale = 1.0; + const _this = this; + let _isContextLost = false; + this._outputColorSpace = SRGBColorSpace; + let _currentActiveCubeFace = 0; + let _currentActiveMipmapLevel = 0; + let _currentRenderTarget = null; + let _currentMaterialId = -1; + let _currentCamera = null; + const _currentViewport = new Vector4(); + const _currentScissor = new Vector4(); + let _currentScissorTest = null; + const _currentClearColor = new Color( 0x000000 ); + let _currentClearAlpha = 0; + let _width = canvas.width; + let _height = canvas.height; + let _pixelRatio = 1; + let _opaqueSort = null; + let _transparentSort = null; + const _viewport = new Vector4( 0, 0, _width, _height ); + const _scissor = new Vector4( 0, 0, _width, _height ); + let _scissorTest = false; + const _frustum = new Frustum(); + let _clippingEnabled = false; + let _localClippingEnabled = false; + const _currentProjectionMatrix = new Matrix4(); + const _projScreenMatrix = new Matrix4(); + const _vector3 = new Vector3(); + const _vector4 = new Vector4(); + const _emptyScene = { background: null, fog: null, environment: null, overrideMaterial: null, isScene: true }; + let _renderBackground = false; + function getTargetPixelRatio() { + return _currentRenderTarget === null ? _pixelRatio : 1; + } + let _gl = context; + function getContext( contextName, contextAttributes ) { + return canvas.getContext( contextName, contextAttributes ); + } + try { + const contextAttributes = { + alpha: true, + depth, + stencil, + antialias, + premultipliedAlpha, + preserveDrawingBuffer, + powerPreference, + failIfMajorPerformanceCaveat, + }; + if ( 'setAttribute' in canvas ) canvas.setAttribute( 'data-engine', `three.js r${REVISION}` ); + canvas.addEventListener( 'webglcontextlost', onContextLost, false ); + canvas.addEventListener( 'webglcontextrestored', onContextRestore, false ); + canvas.addEventListener( 'webglcontextcreationerror', onContextCreationError, false ); + if ( _gl === null ) { + const contextName = 'webgl2'; + _gl = getContext( contextName, contextAttributes ); + if ( _gl === null ) { + if ( getContext( contextName ) ) { + throw new Error( 'Error creating WebGL context with your selected attributes.' ); + } else { + throw new Error( 'Error creating WebGL context.' ); + } + } + } + } catch ( error ) { + console.error( 'THREE.WebGLRenderer: ' + error.message ); + throw error; + } + let extensions, capabilities, state, info; + let properties, textures, cubemaps, cubeuvmaps, attributes, geometries, objects; + let programCache, materials, renderLists, renderStates, clipping, shadowMap; + let background, morphtargets, bufferRenderer, indexedBufferRenderer; + let utils, bindingStates, uniformsGroups; + function initGLContext() { + extensions = new WebGLExtensions( _gl ); + extensions.init(); + utils = new WebGLUtils( _gl, extensions ); + capabilities = new WebGLCapabilities( _gl, extensions, parameters, utils ); + state = new WebGLState( _gl, extensions ); + if ( capabilities.reverseDepthBuffer && reverseDepthBuffer ) { + state.buffers.depth.setReversed( true ); + } + info = new WebGLInfo( _gl ); + properties = new WebGLProperties(); + textures = new WebGLTextures( _gl, extensions, state, properties, capabilities, utils, info ); + cubemaps = new WebGLCubeMaps( _this ); + cubeuvmaps = new WebGLCubeUVMaps( _this ); + attributes = new WebGLAttributes( _gl ); + bindingStates = new WebGLBindingStates( _gl, attributes ); + geometries = new WebGLGeometries( _gl, attributes, info, bindingStates ); + objects = new WebGLObjects( _gl, geometries, attributes, info ); + morphtargets = new WebGLMorphtargets( _gl, capabilities, textures ); + clipping = new WebGLClipping( properties ); + programCache = new WebGLPrograms( _this, cubemaps, cubeuvmaps, extensions, capabilities, bindingStates, clipping ); + materials = new WebGLMaterials( _this, properties ); + renderLists = new WebGLRenderLists(); + renderStates = new WebGLRenderStates( extensions ); + background = new WebGLBackground( _this, cubemaps, cubeuvmaps, state, objects, _alpha, premultipliedAlpha ); + shadowMap = new WebGLShadowMap( _this, objects, capabilities ); + uniformsGroups = new WebGLUniformsGroups( _gl, info, capabilities, state ); + bufferRenderer = new WebGLBufferRenderer( _gl, extensions, info ); + indexedBufferRenderer = new WebGLIndexedBufferRenderer( _gl, extensions, info ); + info.programs = programCache.programs; + _this.capabilities = capabilities; + _this.extensions = extensions; + _this.properties = properties; + _this.renderLists = renderLists; + _this.shadowMap = shadowMap; + _this.state = state; + _this.info = info; + } + initGLContext(); + const xr = new WebXRManager( _this, _gl ); + this.xr = xr; + this.getContext = function () { + return _gl; + }; + this.getContextAttributes = function () { + return _gl.getContextAttributes(); + }; + this.forceContextLoss = function () { + const extension = extensions.get( 'WEBGL_lose_context' ); + if ( extension ) extension.loseContext(); + }; + this.forceContextRestore = function () { + const extension = extensions.get( 'WEBGL_lose_context' ); + if ( extension ) extension.restoreContext(); + }; + this.getPixelRatio = function () { + return _pixelRatio; + }; + this.setPixelRatio = function ( value ) { + if ( value === undefined ) return; + _pixelRatio = value; + this.setSize( _width, _height, false ); + }; + this.getSize = function ( target ) { + return target.set( _width, _height ); + }; + this.setSize = function ( width, height, updateStyle = true ) { + if ( xr.isPresenting ) { + console.warn( 'THREE.WebGLRenderer: Can\'t change size while VR device is presenting.' ); + return; + } + _width = width; + _height = height; + canvas.width = Math.floor( width * _pixelRatio ); + canvas.height = Math.floor( height * _pixelRatio ); + if ( updateStyle === true ) { + canvas.style.width = width + 'px'; + canvas.style.height = height + 'px'; + } + this.setViewport( 0, 0, width, height ); + }; + this.getDrawingBufferSize = function ( target ) { + return target.set( _width * _pixelRatio, _height * _pixelRatio ).floor(); + }; + this.setDrawingBufferSize = function ( width, height, pixelRatio ) { + _width = width; + _height = height; + _pixelRatio = pixelRatio; + canvas.width = Math.floor( width * pixelRatio ); + canvas.height = Math.floor( height * pixelRatio ); + this.setViewport( 0, 0, width, height ); + }; + this.getCurrentViewport = function ( target ) { + return target.copy( _currentViewport ); + }; + this.getViewport = function ( target ) { + return target.copy( _viewport ); + }; + this.setViewport = function ( x, y, width, height ) { + if ( x.isVector4 ) { + _viewport.set( x.x, x.y, x.z, x.w ); + } else { + _viewport.set( x, y, width, height ); + } + state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).round() ); + }; + this.getScissor = function ( target ) { + return target.copy( _scissor ); + }; + this.setScissor = function ( x, y, width, height ) { + if ( x.isVector4 ) { + _scissor.set( x.x, x.y, x.z, x.w ); + } else { + _scissor.set( x, y, width, height ); + } + state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).round() ); + }; + this.getScissorTest = function () { + return _scissorTest; + }; + this.setScissorTest = function ( boolean ) { + state.setScissorTest( _scissorTest = boolean ); + }; + this.setOpaqueSort = function ( method ) { + _opaqueSort = method; + }; + this.setTransparentSort = function ( method ) { + _transparentSort = method; + }; + this.getClearColor = function ( target ) { + return target.copy( background.getClearColor() ); + }; + this.setClearColor = function () { + background.setClearColor( ...arguments ); + }; + this.getClearAlpha = function () { + return background.getClearAlpha(); + }; + this.setClearAlpha = function () { + background.setClearAlpha( ...arguments ); + }; + this.clear = function ( color = true, depth = true, stencil = true ) { + let bits = 0; + if ( color ) { + let isIntegerFormat = false; + if ( _currentRenderTarget !== null ) { + const targetFormat = _currentRenderTarget.texture.format; + isIntegerFormat = targetFormat === RGBAIntegerFormat || + targetFormat === RGIntegerFormat || + targetFormat === RedIntegerFormat; + } + if ( isIntegerFormat ) { + const targetType = _currentRenderTarget.texture.type; + const isUnsignedType = targetType === UnsignedByteType || + targetType === UnsignedIntType || + targetType === UnsignedShortType || + targetType === UnsignedInt248Type || + targetType === UnsignedShort4444Type || + targetType === UnsignedShort5551Type; + const clearColor = background.getClearColor(); + const a = background.getClearAlpha(); + const r = clearColor.r; + const g = clearColor.g; + const b = clearColor.b; + if ( isUnsignedType ) { + uintClearColor[ 0 ] = r; + uintClearColor[ 1 ] = g; + uintClearColor[ 2 ] = b; + uintClearColor[ 3 ] = a; + _gl.clearBufferuiv( _gl.COLOR, 0, uintClearColor ); + } else { + intClearColor[ 0 ] = r; + intClearColor[ 1 ] = g; + intClearColor[ 2 ] = b; + intClearColor[ 3 ] = a; + _gl.clearBufferiv( _gl.COLOR, 0, intClearColor ); + } + } else { + bits |= _gl.COLOR_BUFFER_BIT; + } + } + if ( depth ) { + bits |= _gl.DEPTH_BUFFER_BIT; + } + if ( stencil ) { + bits |= _gl.STENCIL_BUFFER_BIT; + this.state.buffers.stencil.setMask( 0xffffffff ); + } + _gl.clear( bits ); + }; + this.clearColor = function () { + this.clear( true, false, false ); + }; + this.clearDepth = function () { + this.clear( false, true, false ); + }; + this.clearStencil = function () { + this.clear( false, false, true ); + }; + this.dispose = function () { + canvas.removeEventListener( 'webglcontextlost', onContextLost, false ); + canvas.removeEventListener( 'webglcontextrestored', onContextRestore, false ); + canvas.removeEventListener( 'webglcontextcreationerror', onContextCreationError, false ); + background.dispose(); + renderLists.dispose(); + renderStates.dispose(); + properties.dispose(); + cubemaps.dispose(); + cubeuvmaps.dispose(); + objects.dispose(); + bindingStates.dispose(); + uniformsGroups.dispose(); + programCache.dispose(); + xr.dispose(); + xr.removeEventListener( 'sessionstart', onXRSessionStart ); + xr.removeEventListener( 'sessionend', onXRSessionEnd ); + animation.stop(); + }; + function onContextLost( event ) { + event.preventDefault(); + console.log( 'THREE.WebGLRenderer: Context Lost.' ); + _isContextLost = true; + } + function onContextRestore( ) { + console.log( 'THREE.WebGLRenderer: Context Restored.' ); + _isContextLost = false; + const infoAutoReset = info.autoReset; + const shadowMapEnabled = shadowMap.enabled; + const shadowMapAutoUpdate = shadowMap.autoUpdate; + const shadowMapNeedsUpdate = shadowMap.needsUpdate; + const shadowMapType = shadowMap.type; + initGLContext(); + info.autoReset = infoAutoReset; + shadowMap.enabled = shadowMapEnabled; + shadowMap.autoUpdate = shadowMapAutoUpdate; + shadowMap.needsUpdate = shadowMapNeedsUpdate; + shadowMap.type = shadowMapType; + } + function onContextCreationError( event ) { + console.error( 'THREE.WebGLRenderer: A WebGL context could not be created. Reason: ', event.statusMessage ); + } + function onMaterialDispose( event ) { + const material = event.target; + material.removeEventListener( 'dispose', onMaterialDispose ); + deallocateMaterial( material ); + } + function deallocateMaterial( material ) { + releaseMaterialProgramReferences( material ); + properties.remove( material ); + } + function releaseMaterialProgramReferences( material ) { + const programs = properties.get( material ).programs; + if ( programs !== undefined ) { + programs.forEach( function ( program ) { + programCache.releaseProgram( program ); + } ); + if ( material.isShaderMaterial ) { + programCache.releaseShaderCache( material ); + } + } + } + this.renderBufferDirect = function ( camera, scene, geometry, material, object, group ) { + if ( scene === null ) scene = _emptyScene; + const frontFaceCW = ( object.isMesh && object.matrixWorld.determinant() < 0 ); + const program = setProgram( camera, scene, geometry, material, object ); + state.setMaterial( material, frontFaceCW ); + let index = geometry.index; + let rangeFactor = 1; + if ( material.wireframe === true ) { + index = geometries.getWireframeAttribute( geometry ); + if ( index === undefined ) return; + rangeFactor = 2; + } + const drawRange = geometry.drawRange; + const position = geometry.attributes.position; + let drawStart = drawRange.start * rangeFactor; + let drawEnd = ( drawRange.start + drawRange.count ) * rangeFactor; + if ( group !== null ) { + drawStart = Math.max( drawStart, group.start * rangeFactor ); + drawEnd = Math.min( drawEnd, ( group.start + group.count ) * rangeFactor ); + } + if ( index !== null ) { + drawStart = Math.max( drawStart, 0 ); + drawEnd = Math.min( drawEnd, index.count ); + } else if ( position !== undefined && position !== null ) { + drawStart = Math.max( drawStart, 0 ); + drawEnd = Math.min( drawEnd, position.count ); + } + const drawCount = drawEnd - drawStart; + if ( drawCount < 0 || drawCount === Infinity ) return; + bindingStates.setup( object, material, program, geometry, index ); + let attribute; + let renderer = bufferRenderer; + if ( index !== null ) { + attribute = attributes.get( index ); + renderer = indexedBufferRenderer; + renderer.setIndex( attribute ); + } + if ( object.isMesh ) { + if ( material.wireframe === true ) { + state.setLineWidth( material.wireframeLinewidth * getTargetPixelRatio() ); + renderer.setMode( _gl.LINES ); + } else { + renderer.setMode( _gl.TRIANGLES ); + } + } else if ( object.isLine ) { + let lineWidth = material.linewidth; + if ( lineWidth === undefined ) lineWidth = 1; + state.setLineWidth( lineWidth * getTargetPixelRatio() ); + if ( object.isLineSegments ) { + renderer.setMode( _gl.LINES ); + } else if ( object.isLineLoop ) { + renderer.setMode( _gl.LINE_LOOP ); + } else { + renderer.setMode( _gl.LINE_STRIP ); + } + } else if ( object.isPoints ) { + renderer.setMode( _gl.POINTS ); + } else if ( object.isSprite ) { + renderer.setMode( _gl.TRIANGLES ); + } + if ( object.isBatchedMesh ) { + if ( object._multiDrawInstances !== null ) { + warnOnce( 'THREE.WebGLRenderer: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.' ); + renderer.renderMultiDrawInstances( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount, object._multiDrawInstances ); + } else { + if ( ! extensions.get( 'WEBGL_multi_draw' ) ) { + const starts = object._multiDrawStarts; + const counts = object._multiDrawCounts; + const drawCount = object._multiDrawCount; + const bytesPerElement = index ? attributes.get( index ).bytesPerElement : 1; + const uniforms = properties.get( material ).currentProgram.getUniforms(); + for ( let i = 0; i < drawCount; i ++ ) { + uniforms.setValue( _gl, '_gl_DrawID', i ); + renderer.render( starts[ i ] / bytesPerElement, counts[ i ] ); + } + } else { + renderer.renderMultiDraw( object._multiDrawStarts, object._multiDrawCounts, object._multiDrawCount ); + } + } + } else if ( object.isInstancedMesh ) { + renderer.renderInstances( drawStart, drawCount, object.count ); + } else if ( geometry.isInstancedBufferGeometry ) { + const maxInstanceCount = geometry._maxInstanceCount !== undefined ? geometry._maxInstanceCount : Infinity; + const instanceCount = Math.min( geometry.instanceCount, maxInstanceCount ); + renderer.renderInstances( drawStart, drawCount, instanceCount ); + } else { + renderer.render( drawStart, drawCount ); + } + }; + function prepareMaterial( material, scene, object ) { + if ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) { + material.side = BackSide; + material.needsUpdate = true; + getProgram( material, scene, object ); + material.side = FrontSide; + material.needsUpdate = true; + getProgram( material, scene, object ); + material.side = DoubleSide; + } else { + getProgram( material, scene, object ); + } + } + this.compile = function ( scene, camera, targetScene = null ) { + if ( targetScene === null ) targetScene = scene; + currentRenderState = renderStates.get( targetScene ); + currentRenderState.init( camera ); + renderStateStack.push( currentRenderState ); + targetScene.traverseVisible( function ( object ) { + if ( object.isLight && object.layers.test( camera.layers ) ) { + currentRenderState.pushLight( object ); + if ( object.castShadow ) { + currentRenderState.pushShadow( object ); + } + } + } ); + if ( scene !== targetScene ) { + scene.traverseVisible( function ( object ) { + if ( object.isLight && object.layers.test( camera.layers ) ) { + currentRenderState.pushLight( object ); + if ( object.castShadow ) { + currentRenderState.pushShadow( object ); + } + } + } ); + } + currentRenderState.setupLights(); + const materials = new Set(); + scene.traverse( function ( object ) { + if ( ! ( object.isMesh || object.isPoints || object.isLine || object.isSprite ) ) { + return; + } + const material = object.material; + if ( material ) { + if ( Array.isArray( material ) ) { + for ( let i = 0; i < material.length; i ++ ) { + const material2 = material[ i ]; + prepareMaterial( material2, targetScene, object ); + materials.add( material2 ); + } + } else { + prepareMaterial( material, targetScene, object ); + materials.add( material ); + } + } + } ); + currentRenderState = renderStateStack.pop(); + return materials; + }; + this.compileAsync = function ( scene, camera, targetScene = null ) { + const materials = this.compile( scene, camera, targetScene ); + return new Promise( ( resolve ) => { + function checkMaterialsReady() { + materials.forEach( function ( material ) { + const materialProperties = properties.get( material ); + const program = materialProperties.currentProgram; + if ( program.isReady() ) { + materials.delete( material ); + } + } ); + if ( materials.size === 0 ) { + resolve( scene ); + return; + } + setTimeout( checkMaterialsReady, 10 ); + } + if ( extensions.get( 'KHR_parallel_shader_compile' ) !== null ) { + checkMaterialsReady(); + } else { + setTimeout( checkMaterialsReady, 10 ); + } + } ); + }; + let onAnimationFrameCallback = null; + function onAnimationFrame( time ) { + if ( onAnimationFrameCallback ) onAnimationFrameCallback( time ); + } + function onXRSessionStart() { + animation.stop(); + } + function onXRSessionEnd() { + animation.start(); + } + const animation = new WebGLAnimation(); + animation.setAnimationLoop( onAnimationFrame ); + if ( typeof self !== 'undefined' ) animation.setContext( self ); + this.setAnimationLoop = function ( callback ) { + onAnimationFrameCallback = callback; + xr.setAnimationLoop( callback ); + ( callback === null ) ? animation.stop() : animation.start(); + }; + xr.addEventListener( 'sessionstart', onXRSessionStart ); + xr.addEventListener( 'sessionend', onXRSessionEnd ); + this.render = function ( scene, camera ) { + if ( camera !== undefined && camera.isCamera !== true ) { + console.error( 'THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.' ); + return; + } + if ( _isContextLost === true ) return; + if ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld(); + if ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld(); + if ( xr.enabled === true && xr.isPresenting === true ) { + if ( xr.cameraAutoUpdate === true ) xr.updateCamera( camera ); + camera = xr.getCamera(); + } + if ( scene.isScene === true ) scene.onBeforeRender( _this, scene, camera, _currentRenderTarget ); + currentRenderState = renderStates.get( scene, renderStateStack.length ); + currentRenderState.init( camera ); + renderStateStack.push( currentRenderState ); + _projScreenMatrix.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse ); + _frustum.setFromProjectionMatrix( _projScreenMatrix ); + _localClippingEnabled = this.localClippingEnabled; + _clippingEnabled = clipping.init( this.clippingPlanes, _localClippingEnabled ); + currentRenderList = renderLists.get( scene, renderListStack.length ); + currentRenderList.init(); + renderListStack.push( currentRenderList ); + if ( xr.enabled === true && xr.isPresenting === true ) { + const depthSensingMesh = _this.xr.getDepthSensingMesh(); + if ( depthSensingMesh !== null ) { + projectObject( depthSensingMesh, camera, - Infinity, _this.sortObjects ); + } + } + projectObject( scene, camera, 0, _this.sortObjects ); + currentRenderList.finish(); + if ( _this.sortObjects === true ) { + currentRenderList.sort( _opaqueSort, _transparentSort ); + } + _renderBackground = xr.enabled === false || xr.isPresenting === false || xr.hasDepthSensing() === false; + if ( _renderBackground ) { + background.addToRenderList( currentRenderList, scene ); + } + this.info.render.frame ++; + if ( _clippingEnabled === true ) clipping.beginShadows(); + const shadowsArray = currentRenderState.state.shadowsArray; + shadowMap.render( shadowsArray, scene, camera ); + if ( _clippingEnabled === true ) clipping.endShadows(); + if ( this.info.autoReset === true ) this.info.reset(); + const opaqueObjects = currentRenderList.opaque; + const transmissiveObjects = currentRenderList.transmissive; + currentRenderState.setupLights(); + if ( camera.isArrayCamera ) { + const cameras = camera.cameras; + if ( transmissiveObjects.length > 0 ) { + for ( let i = 0, l = cameras.length; i < l; i ++ ) { + const camera2 = cameras[ i ]; + renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera2 ); + } + } + if ( _renderBackground ) background.render( scene ); + for ( let i = 0, l = cameras.length; i < l; i ++ ) { + const camera2 = cameras[ i ]; + renderScene( currentRenderList, scene, camera2, camera2.viewport ); + } + } else { + if ( transmissiveObjects.length > 0 ) renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera ); + if ( _renderBackground ) background.render( scene ); + renderScene( currentRenderList, scene, camera ); + } + if ( _currentRenderTarget !== null && _currentActiveMipmapLevel === 0 ) { + textures.updateMultisampleRenderTarget( _currentRenderTarget ); + textures.updateRenderTargetMipmap( _currentRenderTarget ); + } + if ( scene.isScene === true ) scene.onAfterRender( _this, scene, camera ); + bindingStates.resetDefaultState(); + _currentMaterialId = -1; + _currentCamera = null; + renderStateStack.pop(); + if ( renderStateStack.length > 0 ) { + currentRenderState = renderStateStack[ renderStateStack.length - 1 ]; + if ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, currentRenderState.state.camera ); + } else { + currentRenderState = null; + } + renderListStack.pop(); + if ( renderListStack.length > 0 ) { + currentRenderList = renderListStack[ renderListStack.length - 1 ]; + } else { + currentRenderList = null; + } + }; + function projectObject( object, camera, groupOrder, sortObjects ) { + if ( object.visible === false ) return; + const visible = object.layers.test( camera.layers ); + if ( visible ) { + if ( object.isGroup ) { + groupOrder = object.renderOrder; + } else if ( object.isLOD ) { + if ( object.autoUpdate === true ) object.update( camera ); + } else if ( object.isLight ) { + currentRenderState.pushLight( object ); + if ( object.castShadow ) { + currentRenderState.pushShadow( object ); + } + } else if ( object.isSprite ) { + if ( ! object.frustumCulled || _frustum.intersectsSprite( object ) ) { + if ( sortObjects ) { + _vector4.setFromMatrixPosition( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + } + const geometry = objects.update( object ); + const material = object.material; + if ( material.visible ) { + currentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null ); + } + } + } else if ( object.isMesh || object.isLine || object.isPoints ) { + if ( ! object.frustumCulled || _frustum.intersectsObject( object ) ) { + const geometry = objects.update( object ); + const material = object.material; + if ( sortObjects ) { + if ( object.boundingSphere !== undefined ) { + if ( object.boundingSphere === null ) object.computeBoundingSphere(); + _vector4.copy( object.boundingSphere.center ); + } else { + if ( geometry.boundingSphere === null ) geometry.computeBoundingSphere(); + _vector4.copy( geometry.boundingSphere.center ); + } + _vector4 + .applyMatrix4( object.matrixWorld ) + .applyMatrix4( _projScreenMatrix ); + } + if ( Array.isArray( material ) ) { + const groups = geometry.groups; + for ( let i = 0, l = groups.length; i < l; i ++ ) { + const group = groups[ i ]; + const groupMaterial = material[ group.materialIndex ]; + if ( groupMaterial && groupMaterial.visible ) { + currentRenderList.push( object, geometry, groupMaterial, groupOrder, _vector4.z, group ); + } + } + } else if ( material.visible ) { + currentRenderList.push( object, geometry, material, groupOrder, _vector4.z, null ); + } + } + } + } + const children = object.children; + for ( let i = 0, l = children.length; i < l; i ++ ) { + projectObject( children[ i ], camera, groupOrder, sortObjects ); + } + } + function renderScene( currentRenderList, scene, camera, viewport ) { + const opaqueObjects = currentRenderList.opaque; + const transmissiveObjects = currentRenderList.transmissive; + const transparentObjects = currentRenderList.transparent; + currentRenderState.setupLightsView( camera ); + if ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera ); + if ( viewport ) state.viewport( _currentViewport.copy( viewport ) ); + if ( opaqueObjects.length > 0 ) renderObjects( opaqueObjects, scene, camera ); + if ( transmissiveObjects.length > 0 ) renderObjects( transmissiveObjects, scene, camera ); + if ( transparentObjects.length > 0 ) renderObjects( transparentObjects, scene, camera ); + state.buffers.depth.setTest( true ); + state.buffers.depth.setMask( true ); + state.buffers.color.setMask( true ); + state.setPolygonOffset( false ); + } + function renderTransmissionPass( opaqueObjects, transmissiveObjects, scene, camera ) { + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + if ( overrideMaterial !== null ) { + return; + } + if ( currentRenderState.state.transmissionRenderTarget[ camera.id ] === undefined ) { + currentRenderState.state.transmissionRenderTarget[ camera.id ] = new WebGLRenderTarget( 1, 1, { + generateMipmaps: true, + type: ( extensions.has( 'EXT_color_buffer_half_float' ) || extensions.has( 'EXT_color_buffer_float' ) ) ? HalfFloatType : UnsignedByteType, + minFilter: LinearMipmapLinearFilter, + samples: 4, + stencilBuffer: stencil, + resolveDepthBuffer: false, + resolveStencilBuffer: false, + colorSpace: ColorManagement.workingColorSpace, + } ); + } + const transmissionRenderTarget = currentRenderState.state.transmissionRenderTarget[ camera.id ]; + const activeViewport = camera.viewport || _currentViewport; + transmissionRenderTarget.setSize( activeViewport.z * _this.transmissionResolutionScale, activeViewport.w * _this.transmissionResolutionScale ); + const currentRenderTarget = _this.getRenderTarget(); + const currentActiveCubeFace = _this.getActiveCubeFace(); + const currentActiveMipmapLevel = _this.getActiveMipmapLevel(); + _this.setRenderTarget( transmissionRenderTarget ); + _this.getClearColor( _currentClearColor ); + _currentClearAlpha = _this.getClearAlpha(); + if ( _currentClearAlpha < 1 ) _this.setClearColor( 0xffffff, 0.5 ); + _this.clear(); + if ( _renderBackground ) background.render( scene ); + const currentToneMapping = _this.toneMapping; + _this.toneMapping = NoToneMapping; + const currentCameraViewport = camera.viewport; + if ( camera.viewport !== undefined ) camera.viewport = undefined; + currentRenderState.setupLightsView( camera ); + if ( _clippingEnabled === true ) clipping.setGlobalState( _this.clippingPlanes, camera ); + renderObjects( opaqueObjects, scene, camera ); + textures.updateMultisampleRenderTarget( transmissionRenderTarget ); + textures.updateRenderTargetMipmap( transmissionRenderTarget ); + if ( extensions.has( 'WEBGL_multisampled_render_to_texture' ) === false ) { + let renderTargetNeedsUpdate = false; + for ( let i = 0, l = transmissiveObjects.length; i < l; i ++ ) { + const renderItem = transmissiveObjects[ i ]; + const object = renderItem.object; + const geometry = renderItem.geometry; + const material = renderItem.material; + const group = renderItem.group; + if ( material.side === DoubleSide && object.layers.test( camera.layers ) ) { + const currentSide = material.side; + material.side = BackSide; + material.needsUpdate = true; + renderObject( object, scene, camera, geometry, material, group ); + material.side = currentSide; + material.needsUpdate = true; + renderTargetNeedsUpdate = true; + } + } + if ( renderTargetNeedsUpdate === true ) { + textures.updateMultisampleRenderTarget( transmissionRenderTarget ); + textures.updateRenderTargetMipmap( transmissionRenderTarget ); + } + } + _this.setRenderTarget( currentRenderTarget, currentActiveCubeFace, currentActiveMipmapLevel ); + _this.setClearColor( _currentClearColor, _currentClearAlpha ); + if ( currentCameraViewport !== undefined ) camera.viewport = currentCameraViewport; + _this.toneMapping = currentToneMapping; + } + function renderObjects( renderList, scene, camera ) { + const overrideMaterial = scene.isScene === true ? scene.overrideMaterial : null; + for ( let i = 0, l = renderList.length; i < l; i ++ ) { + const renderItem = renderList[ i ]; + const object = renderItem.object; + const geometry = renderItem.geometry; + const group = renderItem.group; + let material = renderItem.material; + if ( material.allowOverride === true && overrideMaterial !== null ) { + material = overrideMaterial; + } + if ( object.layers.test( camera.layers ) ) { + renderObject( object, scene, camera, geometry, material, group ); + } + } + } + function renderObject( object, scene, camera, geometry, material, group ) { + object.onBeforeRender( _this, scene, camera, geometry, material, group ); + object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld ); + object.normalMatrix.getNormalMatrix( object.modelViewMatrix ); + material.onBeforeRender( _this, scene, camera, geometry, object, group ); + if ( material.transparent === true && material.side === DoubleSide && material.forceSinglePass === false ) { + material.side = BackSide; + material.needsUpdate = true; + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + material.side = FrontSide; + material.needsUpdate = true; + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + material.side = DoubleSide; + } else { + _this.renderBufferDirect( camera, scene, geometry, material, object, group ); + } + object.onAfterRender( _this, scene, camera, geometry, material, group ); + } + function getProgram( material, scene, object ) { + if ( scene.isScene !== true ) scene = _emptyScene; + const materialProperties = properties.get( material ); + const lights = currentRenderState.state.lights; + const shadowsArray = currentRenderState.state.shadowsArray; + const lightsStateVersion = lights.state.version; + const parameters = programCache.getParameters( material, lights.state, shadowsArray, scene, object ); + const programCacheKey = programCache.getProgramCacheKey( parameters ); + let programs = materialProperties.programs; + materialProperties.environment = material.isMeshStandardMaterial ? scene.environment : null; + materialProperties.fog = scene.fog; + materialProperties.envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || materialProperties.environment ); + materialProperties.envMapRotation = ( materialProperties.environment !== null && material.envMap === null ) ? scene.environmentRotation : material.envMapRotation; + if ( programs === undefined ) { + material.addEventListener( 'dispose', onMaterialDispose ); + programs = new Map(); + materialProperties.programs = programs; + } + let program = programs.get( programCacheKey ); + if ( program !== undefined ) { + if ( materialProperties.currentProgram === program && materialProperties.lightsStateVersion === lightsStateVersion ) { + updateCommonMaterialProperties( material, parameters ); + return program; + } + } else { + parameters.uniforms = programCache.getUniforms( material ); + material.onBeforeCompile( parameters, _this ); + program = programCache.acquireProgram( parameters, programCacheKey ); + programs.set( programCacheKey, program ); + materialProperties.uniforms = parameters.uniforms; + } + const uniforms = materialProperties.uniforms; + if ( ( ! material.isShaderMaterial && ! material.isRawShaderMaterial ) || material.clipping === true ) { + uniforms.clippingPlanes = clipping.uniform; + } + updateCommonMaterialProperties( material, parameters ); + materialProperties.needsLights = materialNeedsLights( material ); + materialProperties.lightsStateVersion = lightsStateVersion; + if ( materialProperties.needsLights ) { + uniforms.ambientLightColor.value = lights.state.ambient; + uniforms.lightProbe.value = lights.state.probe; + uniforms.directionalLights.value = lights.state.directional; + uniforms.directionalLightShadows.value = lights.state.directionalShadow; + uniforms.spotLights.value = lights.state.spot; + uniforms.spotLightShadows.value = lights.state.spotShadow; + uniforms.rectAreaLights.value = lights.state.rectArea; + uniforms.ltc_1.value = lights.state.rectAreaLTC1; + uniforms.ltc_2.value = lights.state.rectAreaLTC2; + uniforms.pointLights.value = lights.state.point; + uniforms.pointLightShadows.value = lights.state.pointShadow; + uniforms.hemisphereLights.value = lights.state.hemi; + uniforms.directionalShadowMap.value = lights.state.directionalShadowMap; + uniforms.directionalShadowMatrix.value = lights.state.directionalShadowMatrix; + uniforms.spotShadowMap.value = lights.state.spotShadowMap; + uniforms.spotLightMatrix.value = lights.state.spotLightMatrix; + uniforms.spotLightMap.value = lights.state.spotLightMap; + uniforms.pointShadowMap.value = lights.state.pointShadowMap; + uniforms.pointShadowMatrix.value = lights.state.pointShadowMatrix; + } + materialProperties.currentProgram = program; + materialProperties.uniformsList = null; + return program; + } + function getUniformList( materialProperties ) { + if ( materialProperties.uniformsList === null ) { + const progUniforms = materialProperties.currentProgram.getUniforms(); + materialProperties.uniformsList = WebGLUniforms.seqWithValue( progUniforms.seq, materialProperties.uniforms ); + } + return materialProperties.uniformsList; + } + function updateCommonMaterialProperties( material, parameters ) { + const materialProperties = properties.get( material ); + materialProperties.outputColorSpace = parameters.outputColorSpace; + materialProperties.batching = parameters.batching; + materialProperties.batchingColor = parameters.batchingColor; + materialProperties.instancing = parameters.instancing; + materialProperties.instancingColor = parameters.instancingColor; + materialProperties.instancingMorph = parameters.instancingMorph; + materialProperties.skinning = parameters.skinning; + materialProperties.morphTargets = parameters.morphTargets; + materialProperties.morphNormals = parameters.morphNormals; + materialProperties.morphColors = parameters.morphColors; + materialProperties.morphTargetsCount = parameters.morphTargetsCount; + materialProperties.numClippingPlanes = parameters.numClippingPlanes; + materialProperties.numIntersection = parameters.numClipIntersection; + materialProperties.vertexAlphas = parameters.vertexAlphas; + materialProperties.vertexTangents = parameters.vertexTangents; + materialProperties.toneMapping = parameters.toneMapping; + } + function setProgram( camera, scene, geometry, material, object ) { + if ( scene.isScene !== true ) scene = _emptyScene; + textures.resetTextureUnits(); + const fog = scene.fog; + const environment = material.isMeshStandardMaterial ? scene.environment : null; + const colorSpace = ( _currentRenderTarget === null ) ? _this.outputColorSpace : ( _currentRenderTarget.isXRRenderTarget === true ? _currentRenderTarget.texture.colorSpace : LinearSRGBColorSpace ); + const envMap = ( material.isMeshStandardMaterial ? cubeuvmaps : cubemaps ).get( material.envMap || environment ); + const vertexAlphas = material.vertexColors === true && !! geometry.attributes.color && geometry.attributes.color.itemSize === 4; + const vertexTangents = !! geometry.attributes.tangent && ( !! material.normalMap || material.anisotropy > 0 ); + const morphTargets = !! geometry.morphAttributes.position; + const morphNormals = !! geometry.morphAttributes.normal; + const morphColors = !! geometry.morphAttributes.color; + let toneMapping = NoToneMapping; + if ( material.toneMapped ) { + if ( _currentRenderTarget === null || _currentRenderTarget.isXRRenderTarget === true ) { + toneMapping = _this.toneMapping; + } + } + const morphAttribute = geometry.morphAttributes.position || geometry.morphAttributes.normal || geometry.morphAttributes.color; + const morphTargetsCount = ( morphAttribute !== undefined ) ? morphAttribute.length : 0; + const materialProperties = properties.get( material ); + const lights = currentRenderState.state.lights; + if ( _clippingEnabled === true ) { + if ( _localClippingEnabled === true || camera !== _currentCamera ) { + const useCache = + camera === _currentCamera && + material.id === _currentMaterialId; + clipping.setState( material, camera, useCache ); + } + } + let needsProgramChange = false; + if ( material.version === materialProperties.__version ) { + if ( materialProperties.needsLights && ( materialProperties.lightsStateVersion !== lights.state.version ) ) { + needsProgramChange = true; + } else if ( materialProperties.outputColorSpace !== colorSpace ) { + needsProgramChange = true; + } else if ( object.isBatchedMesh && materialProperties.batching === false ) { + needsProgramChange = true; + } else if ( ! object.isBatchedMesh && materialProperties.batching === true ) { + needsProgramChange = true; + } else if ( object.isBatchedMesh && materialProperties.batchingColor === true && object.colorTexture === null ) { + needsProgramChange = true; + } else if ( object.isBatchedMesh && materialProperties.batchingColor === false && object.colorTexture !== null ) { + needsProgramChange = true; + } else if ( object.isInstancedMesh && materialProperties.instancing === false ) { + needsProgramChange = true; + } else if ( ! object.isInstancedMesh && materialProperties.instancing === true ) { + needsProgramChange = true; + } else if ( object.isSkinnedMesh && materialProperties.skinning === false ) { + needsProgramChange = true; + } else if ( ! object.isSkinnedMesh && materialProperties.skinning === true ) { + needsProgramChange = true; + } else if ( object.isInstancedMesh && materialProperties.instancingColor === true && object.instanceColor === null ) { + needsProgramChange = true; + } else if ( object.isInstancedMesh && materialProperties.instancingColor === false && object.instanceColor !== null ) { + needsProgramChange = true; + } else if ( object.isInstancedMesh && materialProperties.instancingMorph === true && object.morphTexture === null ) { + needsProgramChange = true; + } else if ( object.isInstancedMesh && materialProperties.instancingMorph === false && object.morphTexture !== null ) { + needsProgramChange = true; + } else if ( materialProperties.envMap !== envMap ) { + needsProgramChange = true; + } else if ( material.fog === true && materialProperties.fog !== fog ) { + needsProgramChange = true; + } else if ( materialProperties.numClippingPlanes !== undefined && + ( materialProperties.numClippingPlanes !== clipping.numPlanes || + materialProperties.numIntersection !== clipping.numIntersection ) ) { + needsProgramChange = true; + } else if ( materialProperties.vertexAlphas !== vertexAlphas ) { + needsProgramChange = true; + } else if ( materialProperties.vertexTangents !== vertexTangents ) { + needsProgramChange = true; + } else if ( materialProperties.morphTargets !== morphTargets ) { + needsProgramChange = true; + } else if ( materialProperties.morphNormals !== morphNormals ) { + needsProgramChange = true; + } else if ( materialProperties.morphColors !== morphColors ) { + needsProgramChange = true; + } else if ( materialProperties.toneMapping !== toneMapping ) { + needsProgramChange = true; + } else if ( materialProperties.morphTargetsCount !== morphTargetsCount ) { + needsProgramChange = true; + } + } else { + needsProgramChange = true; + materialProperties.__version = material.version; + } + let program = materialProperties.currentProgram; + if ( needsProgramChange === true ) { + program = getProgram( material, scene, object ); + } + let refreshProgram = false; + let refreshMaterial = false; + let refreshLights = false; + const p_uniforms = program.getUniforms(), + m_uniforms = materialProperties.uniforms; + if ( state.useProgram( program.program ) ) { + refreshProgram = true; + refreshMaterial = true; + refreshLights = true; + } + if ( material.id !== _currentMaterialId ) { + _currentMaterialId = material.id; + refreshMaterial = true; + } + if ( refreshProgram || _currentCamera !== camera ) { + const reverseDepthBuffer = state.buffers.depth.getReversed(); + if ( reverseDepthBuffer ) { + _currentProjectionMatrix.copy( camera.projectionMatrix ); + toNormalizedProjectionMatrix( _currentProjectionMatrix ); + toReversedProjectionMatrix( _currentProjectionMatrix ); + p_uniforms.setValue( _gl, 'projectionMatrix', _currentProjectionMatrix ); + } else { + p_uniforms.setValue( _gl, 'projectionMatrix', camera.projectionMatrix ); + } + p_uniforms.setValue( _gl, 'viewMatrix', camera.matrixWorldInverse ); + const uCamPos = p_uniforms.map.cameraPosition; + if ( uCamPos !== undefined ) { + uCamPos.setValue( _gl, _vector3.setFromMatrixPosition( camera.matrixWorld ) ); + } + if ( capabilities.logarithmicDepthBuffer ) { + p_uniforms.setValue( _gl, 'logDepthBufFC', + 2.0 / ( Math.log( camera.far + 1.0 ) / Math.LN2 ) ); + } + if ( material.isMeshPhongMaterial || + material.isMeshToonMaterial || + material.isMeshLambertMaterial || + material.isMeshBasicMaterial || + material.isMeshStandardMaterial || + material.isShaderMaterial ) { + p_uniforms.setValue( _gl, 'isOrthographic', camera.isOrthographicCamera === true ); + } + if ( _currentCamera !== camera ) { + _currentCamera = camera; + refreshMaterial = true; + refreshLights = true; + } + } + if ( object.isSkinnedMesh ) { + p_uniforms.setOptional( _gl, object, 'bindMatrix' ); + p_uniforms.setOptional( _gl, object, 'bindMatrixInverse' ); + const skeleton = object.skeleton; + if ( skeleton ) { + if ( skeleton.boneTexture === null ) skeleton.computeBoneTexture(); + p_uniforms.setValue( _gl, 'boneTexture', skeleton.boneTexture, textures ); + } + } + if ( object.isBatchedMesh ) { + p_uniforms.setOptional( _gl, object, 'batchingTexture' ); + p_uniforms.setValue( _gl, 'batchingTexture', object._matricesTexture, textures ); + p_uniforms.setOptional( _gl, object, 'batchingIdTexture' ); + p_uniforms.setValue( _gl, 'batchingIdTexture', object._indirectTexture, textures ); + p_uniforms.setOptional( _gl, object, 'batchingColorTexture' ); + if ( object._colorsTexture !== null ) { + p_uniforms.setValue( _gl, 'batchingColorTexture', object._colorsTexture, textures ); + } + } + const morphAttributes = geometry.morphAttributes; + if ( morphAttributes.position !== undefined || morphAttributes.normal !== undefined || ( morphAttributes.color !== undefined ) ) { + morphtargets.update( object, geometry, program ); + } + if ( refreshMaterial || materialProperties.receiveShadow !== object.receiveShadow ) { + materialProperties.receiveShadow = object.receiveShadow; + p_uniforms.setValue( _gl, 'receiveShadow', object.receiveShadow ); + } + if ( material.isMeshGouraudMaterial && material.envMap !== null ) { + m_uniforms.envMap.value = envMap; + m_uniforms.flipEnvMap.value = ( envMap.isCubeTexture && envMap.isRenderTargetTexture === false ) ? -1 : 1; + } + if ( material.isMeshStandardMaterial && material.envMap === null && scene.environment !== null ) { + m_uniforms.envMapIntensity.value = scene.environmentIntensity; + } + if ( refreshMaterial ) { + p_uniforms.setValue( _gl, 'toneMappingExposure', _this.toneMappingExposure ); + if ( materialProperties.needsLights ) { + markUniformsLightsNeedsUpdate( m_uniforms, refreshLights ); + } + if ( fog && material.fog === true ) { + materials.refreshFogUniforms( m_uniforms, fog ); + } + materials.refreshMaterialUniforms( m_uniforms, material, _pixelRatio, _height, currentRenderState.state.transmissionRenderTarget[ camera.id ] ); + WebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures ); + } + if ( material.isShaderMaterial && material.uniformsNeedUpdate === true ) { + WebGLUniforms.upload( _gl, getUniformList( materialProperties ), m_uniforms, textures ); + material.uniformsNeedUpdate = false; + } + if ( material.isSpriteMaterial ) { + p_uniforms.setValue( _gl, 'center', object.center ); + } + p_uniforms.setValue( _gl, 'modelViewMatrix', object.modelViewMatrix ); + p_uniforms.setValue( _gl, 'normalMatrix', object.normalMatrix ); + p_uniforms.setValue( _gl, 'modelMatrix', object.matrixWorld ); + if ( material.isShaderMaterial || material.isRawShaderMaterial ) { + const groups = material.uniformsGroups; + for ( let i = 0, l = groups.length; i < l; i ++ ) { + const group = groups[ i ]; + uniformsGroups.update( group, program ); + uniformsGroups.bind( group, program ); + } + } + return program; + } + function markUniformsLightsNeedsUpdate( uniforms, value ) { + uniforms.ambientLightColor.needsUpdate = value; + uniforms.lightProbe.needsUpdate = value; + uniforms.directionalLights.needsUpdate = value; + uniforms.directionalLightShadows.needsUpdate = value; + uniforms.pointLights.needsUpdate = value; + uniforms.pointLightShadows.needsUpdate = value; + uniforms.spotLights.needsUpdate = value; + uniforms.spotLightShadows.needsUpdate = value; + uniforms.rectAreaLights.needsUpdate = value; + uniforms.hemisphereLights.needsUpdate = value; + } + function materialNeedsLights( material ) { + return material.isMeshLambertMaterial || material.isMeshToonMaterial || material.isMeshPhongMaterial || + material.isMeshStandardMaterial || material.isShadowMaterial || + ( material.isShaderMaterial && material.lights === true ); + } + this.getActiveCubeFace = function () { + return _currentActiveCubeFace; + }; + this.getActiveMipmapLevel = function () { + return _currentActiveMipmapLevel; + }; + this.getRenderTarget = function () { + return _currentRenderTarget; + }; + this.setRenderTargetTextures = function ( renderTarget, colorTexture, depthTexture ) { + const renderTargetProperties = properties.get( renderTarget ); + renderTargetProperties.__autoAllocateDepthBuffer = renderTarget.resolveDepthBuffer === false; + if ( renderTargetProperties.__autoAllocateDepthBuffer === false ) { + renderTargetProperties.__useRenderToTexture = false; + } + properties.get( renderTarget.texture ).__webglTexture = colorTexture; + properties.get( renderTarget.depthTexture ).__webglTexture = renderTargetProperties.__autoAllocateDepthBuffer ? undefined : depthTexture; + renderTargetProperties.__hasExternalTextures = true; + }; + this.setRenderTargetFramebuffer = function ( renderTarget, defaultFramebuffer ) { + const renderTargetProperties = properties.get( renderTarget ); + renderTargetProperties.__webglFramebuffer = defaultFramebuffer; + renderTargetProperties.__useDefaultFramebuffer = defaultFramebuffer === undefined; + }; + const _scratchFrameBuffer = _gl.createFramebuffer(); + this.setRenderTarget = function ( renderTarget, activeCubeFace = 0, activeMipmapLevel = 0 ) { + _currentRenderTarget = renderTarget; + _currentActiveCubeFace = activeCubeFace; + _currentActiveMipmapLevel = activeMipmapLevel; + let useDefaultFramebuffer = true; + let framebuffer = null; + let isCube = false; + let isRenderTarget3D = false; + if ( renderTarget ) { + const renderTargetProperties = properties.get( renderTarget ); + if ( renderTargetProperties.__useDefaultFramebuffer !== undefined ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, null ); + useDefaultFramebuffer = false; + } else if ( renderTargetProperties.__webglFramebuffer === undefined ) { + textures.setupRenderTarget( renderTarget ); + } else if ( renderTargetProperties.__hasExternalTextures ) { + textures.rebindTextures( renderTarget, properties.get( renderTarget.texture ).__webglTexture, properties.get( renderTarget.depthTexture ).__webglTexture ); + } else if ( renderTarget.depthBuffer ) { + const depthTexture = renderTarget.depthTexture; + if ( renderTargetProperties.__boundDepthTexture !== depthTexture ) { + if ( + depthTexture !== null && + properties.has( depthTexture ) && + ( renderTarget.width !== depthTexture.image.width || renderTarget.height !== depthTexture.image.height ) + ) { + throw new Error( 'WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.' ); + } + textures.setupDepthRenderbuffer( renderTarget ); + } + } + const texture = renderTarget.texture; + if ( texture.isData3DTexture || texture.isDataArrayTexture || texture.isCompressedArrayTexture ) { + isRenderTarget3D = true; + } + const __webglFramebuffer = properties.get( renderTarget ).__webglFramebuffer; + if ( renderTarget.isWebGLCubeRenderTarget ) { + if ( Array.isArray( __webglFramebuffer[ activeCubeFace ] ) ) { + framebuffer = __webglFramebuffer[ activeCubeFace ][ activeMipmapLevel ]; + } else { + framebuffer = __webglFramebuffer[ activeCubeFace ]; + } + isCube = true; + } else if ( ( renderTarget.samples > 0 ) && textures.useMultisampledRTT( renderTarget ) === false ) { + framebuffer = properties.get( renderTarget ).__webglMultisampledFramebuffer; + } else { + if ( Array.isArray( __webglFramebuffer ) ) { + framebuffer = __webglFramebuffer[ activeMipmapLevel ]; + } else { + framebuffer = __webglFramebuffer; + } + } + _currentViewport.copy( renderTarget.viewport ); + _currentScissor.copy( renderTarget.scissor ); + _currentScissorTest = renderTarget.scissorTest; + } else { + _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ).floor(); + _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ).floor(); + _currentScissorTest = _scissorTest; + } + if ( activeMipmapLevel !== 0 ) { + framebuffer = _scratchFrameBuffer; + } + const framebufferBound = state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + if ( framebufferBound && useDefaultFramebuffer ) { + state.drawBuffers( renderTarget, framebuffer ); + } + state.viewport( _currentViewport ); + state.scissor( _currentScissor ); + state.setScissorTest( _currentScissorTest ); + if ( isCube ) { + const textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + activeCubeFace, textureProperties.__webglTexture, activeMipmapLevel ); + } else if ( isRenderTarget3D ) { + const textureProperties = properties.get( renderTarget.texture ); + const layer = activeCubeFace; + _gl.framebufferTextureLayer( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, textureProperties.__webglTexture, activeMipmapLevel, layer ); + } else if ( renderTarget !== null && activeMipmapLevel !== 0 ) { + const textureProperties = properties.get( renderTarget.texture ); + _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, textureProperties.__webglTexture, activeMipmapLevel ); + } + _currentMaterialId = -1; + }; + this.readRenderTargetPixels = function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex, textureIndex = 0 ) { + if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) { + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + return; + } + let framebuffer = properties.get( renderTarget ).__webglFramebuffer; + if ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) { + framebuffer = framebuffer[ activeCubeFaceIndex ]; + } + if ( framebuffer ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + try { + const texture = renderTarget.textures[ textureIndex ]; + const textureFormat = texture.format; + const textureType = texture.type; + if ( ! capabilities.textureFormatReadable( textureFormat ) ) { + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.' ); + return; + } + if ( ! capabilities.textureTypeReadable( textureType ) ) { + console.error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.' ); + return; + } + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + if ( renderTarget.textures.length > 1 ) _gl.readBuffer( _gl.COLOR_ATTACHMENT0 + textureIndex ); + _gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), buffer ); + } + } finally { + const framebuffer = ( _currentRenderTarget !== null ) ? properties.get( _currentRenderTarget ).__webglFramebuffer : null; + state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + } + } + }; + this.readRenderTargetPixelsAsync = async function ( renderTarget, x, y, width, height, buffer, activeCubeFaceIndex, textureIndex = 0 ) { + if ( ! ( renderTarget && renderTarget.isWebGLRenderTarget ) ) { + throw new Error( 'THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.' ); + } + let framebuffer = properties.get( renderTarget ).__webglFramebuffer; + if ( renderTarget.isWebGLCubeRenderTarget && activeCubeFaceIndex !== undefined ) { + framebuffer = framebuffer[ activeCubeFaceIndex ]; + } + if ( framebuffer ) { + if ( ( x >= 0 && x <= ( renderTarget.width - width ) ) && ( y >= 0 && y <= ( renderTarget.height - height ) ) ) { + state.bindFramebuffer( _gl.FRAMEBUFFER, framebuffer ); + const texture = renderTarget.textures[ textureIndex ]; + const textureFormat = texture.format; + const textureType = texture.type; + if ( ! capabilities.textureFormatReadable( textureFormat ) ) { + throw new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.' ); + } + if ( ! capabilities.textureTypeReadable( textureType ) ) { + throw new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.' ); + } + const glBuffer = _gl.createBuffer(); + _gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer ); + _gl.bufferData( _gl.PIXEL_PACK_BUFFER, buffer.byteLength, _gl.STREAM_READ ); + if ( renderTarget.textures.length > 1 ) _gl.readBuffer( _gl.COLOR_ATTACHMENT0 + textureIndex ); + _gl.readPixels( x, y, width, height, utils.convert( textureFormat ), utils.convert( textureType ), 0 ); + const currFramebuffer = _currentRenderTarget !== null ? properties.get( _currentRenderTarget ).__webglFramebuffer : null; + state.bindFramebuffer( _gl.FRAMEBUFFER, currFramebuffer ); + const sync = _gl.fenceSync( _gl.SYNC_GPU_COMMANDS_COMPLETE, 0 ); + _gl.flush(); + await probeAsync( _gl, sync, 4 ); + _gl.bindBuffer( _gl.PIXEL_PACK_BUFFER, glBuffer ); + _gl.getBufferSubData( _gl.PIXEL_PACK_BUFFER, 0, buffer ); + _gl.deleteBuffer( glBuffer ); + _gl.deleteSync( sync ); + return buffer; + } else { + throw new Error( 'THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.' ); + } + } + }; + this.copyFramebufferToTexture = function ( texture, position = null, level = 0 ) { + const levelScale = Math.pow( 2, - level ); + const width = Math.floor( texture.image.width * levelScale ); + const height = Math.floor( texture.image.height * levelScale ); + const x = position !== null ? position.x : 0; + const y = position !== null ? position.y : 0; + textures.setTexture2D( texture, 0 ); + _gl.copyTexSubImage2D( _gl.TEXTURE_2D, level, 0, 0, x, y, width, height ); + state.unbindTexture(); + }; + const _srcFramebuffer = _gl.createFramebuffer(); + const _dstFramebuffer = _gl.createFramebuffer(); + this.copyTextureToTexture = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, srcLevel = 0, dstLevel = null ) { + if ( dstLevel === null ) { + if ( srcLevel !== 0 ) { + warnOnce( 'WebGLRenderer: copyTextureToTexture function signature has changed to support src and dst mipmap levels.' ); + dstLevel = srcLevel; + srcLevel = 0; + } else { + dstLevel = 0; + } + } + let width, height, depth, minX, minY, minZ; + let dstX, dstY, dstZ; + const image = srcTexture.isCompressedTexture ? srcTexture.mipmaps[ dstLevel ] : srcTexture.image; + if ( srcRegion !== null ) { + width = srcRegion.max.x - srcRegion.min.x; + height = srcRegion.max.y - srcRegion.min.y; + depth = srcRegion.isBox3 ? srcRegion.max.z - srcRegion.min.z : 1; + minX = srcRegion.min.x; + minY = srcRegion.min.y; + minZ = srcRegion.isBox3 ? srcRegion.min.z : 0; + } else { + const levelScale = Math.pow( 2, - srcLevel ); + width = Math.floor( image.width * levelScale ); + height = Math.floor( image.height * levelScale ); + if ( srcTexture.isDataArrayTexture ) { + depth = image.depth; + } else if ( srcTexture.isData3DTexture ) { + depth = Math.floor( image.depth * levelScale ); + } else { + depth = 1; + } + minX = 0; + minY = 0; + minZ = 0; + } + if ( dstPosition !== null ) { + dstX = dstPosition.x; + dstY = dstPosition.y; + dstZ = dstPosition.z; + } else { + dstX = 0; + dstY = 0; + dstZ = 0; + } + const glFormat = utils.convert( dstTexture.format ); + const glType = utils.convert( dstTexture.type ); + let glTarget; + if ( dstTexture.isData3DTexture ) { + textures.setTexture3D( dstTexture, 0 ); + glTarget = _gl.TEXTURE_3D; + } else if ( dstTexture.isDataArrayTexture || dstTexture.isCompressedArrayTexture ) { + textures.setTexture2DArray( dstTexture, 0 ); + glTarget = _gl.TEXTURE_2D_ARRAY; + } else { + textures.setTexture2D( dstTexture, 0 ); + glTarget = _gl.TEXTURE_2D; + } + _gl.pixelStorei( _gl.UNPACK_FLIP_Y_WEBGL, dstTexture.flipY ); + _gl.pixelStorei( _gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, dstTexture.premultiplyAlpha ); + _gl.pixelStorei( _gl.UNPACK_ALIGNMENT, dstTexture.unpackAlignment ); + const currentUnpackRowLen = _gl.getParameter( _gl.UNPACK_ROW_LENGTH ); + const currentUnpackImageHeight = _gl.getParameter( _gl.UNPACK_IMAGE_HEIGHT ); + const currentUnpackSkipPixels = _gl.getParameter( _gl.UNPACK_SKIP_PIXELS ); + const currentUnpackSkipRows = _gl.getParameter( _gl.UNPACK_SKIP_ROWS ); + const currentUnpackSkipImages = _gl.getParameter( _gl.UNPACK_SKIP_IMAGES ); + _gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, image.width ); + _gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, image.height ); + _gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, minX ); + _gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, minY ); + _gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, minZ ); + const isSrc3D = srcTexture.isDataArrayTexture || srcTexture.isData3DTexture; + const isDst3D = dstTexture.isDataArrayTexture || dstTexture.isData3DTexture; + if ( srcTexture.isDepthTexture ) { + const srcTextureProperties = properties.get( srcTexture ); + const dstTextureProperties = properties.get( dstTexture ); + const srcRenderTargetProperties = properties.get( srcTextureProperties.__renderTarget ); + const dstRenderTargetProperties = properties.get( dstTextureProperties.__renderTarget ); + state.bindFramebuffer( _gl.READ_FRAMEBUFFER, srcRenderTargetProperties.__webglFramebuffer ); + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, dstRenderTargetProperties.__webglFramebuffer ); + for ( let i = 0; i < depth; i ++ ) { + if ( isSrc3D ) { + _gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( srcTexture ).__webglTexture, srcLevel, minZ + i ); + _gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, properties.get( dstTexture ).__webglTexture, dstLevel, dstZ + i ); + } + _gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.DEPTH_BUFFER_BIT, _gl.NEAREST ); + } + state.bindFramebuffer( _gl.READ_FRAMEBUFFER, null ); + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null ); + } else if ( srcLevel !== 0 || srcTexture.isRenderTargetTexture || properties.has( srcTexture ) ) { + const srcTextureProperties = properties.get( srcTexture ); + const dstTextureProperties = properties.get( dstTexture ); + state.bindFramebuffer( _gl.READ_FRAMEBUFFER, _srcFramebuffer ); + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, _dstFramebuffer ); + for ( let i = 0; i < depth; i ++ ) { + if ( isSrc3D ) { + _gl.framebufferTextureLayer( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, srcTextureProperties.__webglTexture, srcLevel, minZ + i ); + } else { + _gl.framebufferTexture2D( _gl.READ_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, srcTextureProperties.__webglTexture, srcLevel ); + } + if ( isDst3D ) { + _gl.framebufferTextureLayer( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, dstTextureProperties.__webglTexture, dstLevel, dstZ + i ); + } else { + _gl.framebufferTexture2D( _gl.DRAW_FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_2D, dstTextureProperties.__webglTexture, dstLevel ); + } + if ( srcLevel !== 0 ) { + _gl.blitFramebuffer( minX, minY, width, height, dstX, dstY, width, height, _gl.COLOR_BUFFER_BIT, _gl.NEAREST ); + } else if ( isDst3D ) { + _gl.copyTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ + i, minX, minY, width, height ); + } else { + _gl.copyTexSubImage2D( glTarget, dstLevel, dstX, dstY, minX, minY, width, height ); + } + } + state.bindFramebuffer( _gl.READ_FRAMEBUFFER, null ); + state.bindFramebuffer( _gl.DRAW_FRAMEBUFFER, null ); + } else { + if ( isDst3D ) { + if ( srcTexture.isDataTexture || srcTexture.isData3DTexture ) { + _gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image.data ); + } else if ( dstTexture.isCompressedArrayTexture ) { + _gl.compressedTexSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, image.data ); + } else { + _gl.texSubImage3D( glTarget, dstLevel, dstX, dstY, dstZ, width, height, depth, glFormat, glType, image ); + } + } else { + if ( srcTexture.isDataTexture ) { + _gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image.data ); + } else if ( srcTexture.isCompressedTexture ) { + _gl.compressedTexSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, image.width, image.height, glFormat, image.data ); + } else { + _gl.texSubImage2D( _gl.TEXTURE_2D, dstLevel, dstX, dstY, width, height, glFormat, glType, image ); + } + } + } + _gl.pixelStorei( _gl.UNPACK_ROW_LENGTH, currentUnpackRowLen ); + _gl.pixelStorei( _gl.UNPACK_IMAGE_HEIGHT, currentUnpackImageHeight ); + _gl.pixelStorei( _gl.UNPACK_SKIP_PIXELS, currentUnpackSkipPixels ); + _gl.pixelStorei( _gl.UNPACK_SKIP_ROWS, currentUnpackSkipRows ); + _gl.pixelStorei( _gl.UNPACK_SKIP_IMAGES, currentUnpackSkipImages ); + if ( dstLevel === 0 && dstTexture.generateMipmaps ) { + _gl.generateMipmap( glTarget ); + } + state.unbindTexture(); + }; + this.copyTextureToTexture3D = function ( srcTexture, dstTexture, srcRegion = null, dstPosition = null, level = 0 ) { + warnOnce( 'WebGLRenderer: copyTextureToTexture3D function has been deprecated. Use "copyTextureToTexture" instead.' ); + return this.copyTextureToTexture( srcTexture, dstTexture, srcRegion, dstPosition, level ); + }; + this.initRenderTarget = function ( target ) { + if ( properties.get( target ).__webglFramebuffer === undefined ) { + textures.setupRenderTarget( target ); + } + }; + this.initTexture = function ( texture ) { + if ( texture.isCubeTexture ) { + textures.setTextureCube( texture, 0 ); + } else if ( texture.isData3DTexture ) { + textures.setTexture3D( texture, 0 ); + } else if ( texture.isDataArrayTexture || texture.isCompressedArrayTexture ) { + textures.setTexture2DArray( texture, 0 ); + } else { + textures.setTexture2D( texture, 0 ); + } + state.unbindTexture(); + }; + this.resetState = function () { + _currentActiveCubeFace = 0; + _currentActiveMipmapLevel = 0; + _currentRenderTarget = null; + state.reset(); + bindingStates.reset(); + }; + if ( typeof __THREE_DEVTOOLS__ !== 'undefined' ) { + __THREE_DEVTOOLS__.dispatchEvent( new CustomEvent( 'observe', { detail: this } ) ); + } + } + get coordinateSystem() { + return WebGLCoordinateSystem; + } + get outputColorSpace() { + return this._outputColorSpace; + } + set outputColorSpace( colorSpace ) { + this._outputColorSpace = colorSpace; + const gl = this.getContext(); + gl.drawingBufferColorSpace = ColorManagement._getDrawingBufferColorSpace( colorSpace ); + gl.unpackColorSpace = ColorManagement._getUnpackColorSpace(); + } + } + + var THREE = /*#__PURE__*/Object.freeze({ + __proto__: null, + ACESFilmicToneMapping: ACESFilmicToneMapping, + AddEquation: AddEquation, + AddOperation: AddOperation, + AdditiveAnimationBlendMode: AdditiveAnimationBlendMode, + AdditiveBlending: AdditiveBlending, + AgXToneMapping: AgXToneMapping, + AlphaFormat: AlphaFormat, + AlwaysCompare: AlwaysCompare, + AlwaysDepth: AlwaysDepth, + AlwaysStencilFunc: AlwaysStencilFunc, + AmbientLight: AmbientLight, + AnimationAction: AnimationAction, + AnimationClip: AnimationClip, + AnimationLoader: AnimationLoader, + AnimationMixer: AnimationMixer, + AnimationObjectGroup: AnimationObjectGroup, + AnimationUtils: AnimationUtils, + ArcCurve: ArcCurve, + ArrayCamera: ArrayCamera, + ArrowHelper: ArrowHelper, + AttachedBindMode: AttachedBindMode, + Audio: Audio, + AudioAnalyser: AudioAnalyser, + AudioContext: AudioContext, + AudioListener: AudioListener, + AudioLoader: AudioLoader, + AxesHelper: AxesHelper, + BackSide: BackSide, + BasicDepthPacking: BasicDepthPacking, + BasicShadowMap: BasicShadowMap, + BatchedMesh: BatchedMesh, + Bone: Bone, + BooleanKeyframeTrack: BooleanKeyframeTrack, + Box2: Box2, + Box3: Box3, + Box3Helper: Box3Helper, + BoxGeometry: BoxGeometry, + BoxHelper: BoxHelper, + BufferAttribute: BufferAttribute, + BufferGeometry: BufferGeometry, + BufferGeometryLoader: BufferGeometryLoader, + ByteType: ByteType, + Cache: Cache, + Camera: Camera, + CameraHelper: CameraHelper, + CanvasTexture: CanvasTexture, + CapsuleGeometry: CapsuleGeometry, + CatmullRomCurve3: CatmullRomCurve3, + CineonToneMapping: CineonToneMapping, + CircleGeometry: CircleGeometry, + ClampToEdgeWrapping: ClampToEdgeWrapping, + Clock: Clock, + Color: Color, + ColorKeyframeTrack: ColorKeyframeTrack, + ColorManagement: ColorManagement, + CompressedArrayTexture: CompressedArrayTexture, + CompressedCubeTexture: CompressedCubeTexture, + CompressedTexture: CompressedTexture, + CompressedTextureLoader: CompressedTextureLoader, + ConeGeometry: ConeGeometry, + ConstantAlphaFactor: ConstantAlphaFactor, + ConstantColorFactor: ConstantColorFactor, + Controls: Controls, + CubeCamera: CubeCamera, + CubeReflectionMapping: CubeReflectionMapping, + CubeRefractionMapping: CubeRefractionMapping, + CubeTexture: CubeTexture, + CubeTextureLoader: CubeTextureLoader, + CubeUVReflectionMapping: CubeUVReflectionMapping, + CubicBezierCurve: CubicBezierCurve, + CubicBezierCurve3: CubicBezierCurve3, + CubicInterpolant: CubicInterpolant, + CullFaceBack: CullFaceBack, + CullFaceFront: CullFaceFront, + CullFaceFrontBack: CullFaceFrontBack, + CullFaceNone: CullFaceNone, + Curve: Curve, + CurvePath: CurvePath, + CustomBlending: CustomBlending, + CustomToneMapping: CustomToneMapping, + CylinderGeometry: CylinderGeometry, + Cylindrical: Cylindrical, + Data3DTexture: Data3DTexture, + DataArrayTexture: DataArrayTexture, + DataTexture: DataTexture, + DataTextureLoader: DataTextureLoader, + DataUtils: DataUtils, + DecrementStencilOp: DecrementStencilOp, + DecrementWrapStencilOp: DecrementWrapStencilOp, + DefaultLoadingManager: DefaultLoadingManager, + DepthFormat: DepthFormat, + DepthStencilFormat: DepthStencilFormat, + DepthTexture: DepthTexture, + DetachedBindMode: DetachedBindMode, + DirectionalLight: DirectionalLight, + DirectionalLightHelper: DirectionalLightHelper, + DiscreteInterpolant: DiscreteInterpolant, + DodecahedronGeometry: DodecahedronGeometry, + DoubleSide: DoubleSide, + DstAlphaFactor: DstAlphaFactor, + DstColorFactor: DstColorFactor, + DynamicCopyUsage: DynamicCopyUsage, + DynamicDrawUsage: DynamicDrawUsage, + DynamicReadUsage: DynamicReadUsage, + EdgesGeometry: EdgesGeometry, + EllipseCurve: EllipseCurve, + EqualCompare: EqualCompare, + EqualDepth: EqualDepth, + EqualStencilFunc: EqualStencilFunc, + EquirectangularReflectionMapping: EquirectangularReflectionMapping, + EquirectangularRefractionMapping: EquirectangularRefractionMapping, + Euler: Euler, + EventDispatcher: EventDispatcher, + ExtrudeGeometry: ExtrudeGeometry, + FileLoader: FileLoader, + Float16BufferAttribute: Float16BufferAttribute, + Float32BufferAttribute: Float32BufferAttribute, + FloatType: FloatType, + Fog: Fog, + FogExp2: FogExp2, + FramebufferTexture: FramebufferTexture, + FrontSide: FrontSide, + Frustum: Frustum, + FrustumArray: FrustumArray, + GLBufferAttribute: GLBufferAttribute, + GLSL1: GLSL1, + GLSL3: GLSL3, + GreaterCompare: GreaterCompare, + GreaterDepth: GreaterDepth, + GreaterEqualCompare: GreaterEqualCompare, + GreaterEqualDepth: GreaterEqualDepth, + GreaterEqualStencilFunc: GreaterEqualStencilFunc, + GreaterStencilFunc: GreaterStencilFunc, + GridHelper: GridHelper, + Group: Group, + HalfFloatType: HalfFloatType, + HemisphereLight: HemisphereLight, + HemisphereLightHelper: HemisphereLightHelper, + IcosahedronGeometry: IcosahedronGeometry, + ImageBitmapLoader: ImageBitmapLoader, + ImageLoader: ImageLoader, + ImageUtils: ImageUtils, + IncrementStencilOp: IncrementStencilOp, + IncrementWrapStencilOp: IncrementWrapStencilOp, + InstancedBufferAttribute: InstancedBufferAttribute, + InstancedBufferGeometry: InstancedBufferGeometry, + InstancedInterleavedBuffer: InstancedInterleavedBuffer, + InstancedMesh: InstancedMesh, + Int16BufferAttribute: Int16BufferAttribute, + Int32BufferAttribute: Int32BufferAttribute, + Int8BufferAttribute: Int8BufferAttribute, + IntType: IntType, + InterleavedBuffer: InterleavedBuffer, + InterleavedBufferAttribute: InterleavedBufferAttribute, + Interpolant: Interpolant, + InterpolateDiscrete: InterpolateDiscrete, + InterpolateLinear: InterpolateLinear, + InterpolateSmooth: InterpolateSmooth, + InterpolationSamplingMode: InterpolationSamplingMode, + InterpolationSamplingType: InterpolationSamplingType, + InvertStencilOp: InvertStencilOp, + KeepStencilOp: KeepStencilOp, + KeyframeTrack: KeyframeTrack, + LOD: LOD, + LatheGeometry: LatheGeometry, + Layers: Layers, + LessCompare: LessCompare, + LessDepth: LessDepth, + LessEqualCompare: LessEqualCompare, + LessEqualDepth: LessEqualDepth, + LessEqualStencilFunc: LessEqualStencilFunc, + LessStencilFunc: LessStencilFunc, + Light: Light, + LightProbe: LightProbe, + Line: Line, + Line3: Line3, + LineBasicMaterial: LineBasicMaterial, + LineCurve: LineCurve, + LineCurve3: LineCurve3, + LineDashedMaterial: LineDashedMaterial, + LineLoop: LineLoop, + LineSegments: LineSegments, + LinearFilter: LinearFilter, + LinearInterpolant: LinearInterpolant, + LinearMipMapLinearFilter: LinearMipMapLinearFilter, + LinearMipMapNearestFilter: LinearMipMapNearestFilter, + LinearMipmapLinearFilter: LinearMipmapLinearFilter, + LinearMipmapNearestFilter: LinearMipmapNearestFilter, + LinearSRGBColorSpace: LinearSRGBColorSpace, + LinearToneMapping: LinearToneMapping, + LinearTransfer: LinearTransfer, + Loader: Loader, + LoaderUtils: LoaderUtils, + LoadingManager: LoadingManager, + LoopOnce: LoopOnce, + LoopPingPong: LoopPingPong, + LoopRepeat: LoopRepeat, + MOUSE: MOUSE, + Material: Material, + MaterialLoader: MaterialLoader, + MathUtils: MathUtils, + Matrix2: Matrix2, + Matrix3: Matrix3, + Matrix4: Matrix4, + MaxEquation: MaxEquation, + Mesh: Mesh, + MeshBasicMaterial: MeshBasicMaterial, + MeshDepthMaterial: MeshDepthMaterial, + MeshDistanceMaterial: MeshDistanceMaterial, + MeshLambertMaterial: MeshLambertMaterial, + MeshMatcapMaterial: MeshMatcapMaterial, + MeshNormalMaterial: MeshNormalMaterial, + MeshPhongMaterial: MeshPhongMaterial, + MeshPhysicalMaterial: MeshPhysicalMaterial, + MeshStandardMaterial: MeshStandardMaterial, + MeshToonMaterial: MeshToonMaterial, + MinEquation: MinEquation, + MirroredRepeatWrapping: MirroredRepeatWrapping, + MixOperation: MixOperation, + MultiplyBlending: MultiplyBlending, + MultiplyOperation: MultiplyOperation, + NearestFilter: NearestFilter, + NearestMipMapLinearFilter: NearestMipMapLinearFilter, + NearestMipMapNearestFilter: NearestMipMapNearestFilter, + NearestMipmapLinearFilter: NearestMipmapLinearFilter, + NearestMipmapNearestFilter: NearestMipmapNearestFilter, + NeutralToneMapping: NeutralToneMapping, + NeverCompare: NeverCompare, + NeverDepth: NeverDepth, + NeverStencilFunc: NeverStencilFunc, + NoBlending: NoBlending, + NoColorSpace: NoColorSpace, + NoToneMapping: NoToneMapping, + NormalAnimationBlendMode: NormalAnimationBlendMode, + NormalBlending: NormalBlending, + NotEqualCompare: NotEqualCompare, + NotEqualDepth: NotEqualDepth, + NotEqualStencilFunc: NotEqualStencilFunc, + NumberKeyframeTrack: NumberKeyframeTrack, + Object3D: Object3D, + ObjectLoader: ObjectLoader, + ObjectSpaceNormalMap: ObjectSpaceNormalMap, + OctahedronGeometry: OctahedronGeometry, + OneFactor: OneFactor, + OneMinusConstantAlphaFactor: OneMinusConstantAlphaFactor, + OneMinusConstantColorFactor: OneMinusConstantColorFactor, + OneMinusDstAlphaFactor: OneMinusDstAlphaFactor, + OneMinusDstColorFactor: OneMinusDstColorFactor, + OneMinusSrcAlphaFactor: OneMinusSrcAlphaFactor, + OneMinusSrcColorFactor: OneMinusSrcColorFactor, + OrthographicCamera: OrthographicCamera, + PCFShadowMap: PCFShadowMap, + PCFSoftShadowMap: PCFSoftShadowMap, + PMREMGenerator: PMREMGenerator, + Path: Path, + PerspectiveCamera: PerspectiveCamera, + Plane: Plane, + PlaneGeometry: PlaneGeometry, + PlaneHelper: PlaneHelper, + PointLight: PointLight, + PointLightHelper: PointLightHelper, + Points: Points, + PointsMaterial: PointsMaterial, + PolarGridHelper: PolarGridHelper, + PolyhedronGeometry: PolyhedronGeometry, + PositionalAudio: PositionalAudio, + PropertyBinding: PropertyBinding, + PropertyMixer: PropertyMixer, + QuadraticBezierCurve: QuadraticBezierCurve, + QuadraticBezierCurve3: QuadraticBezierCurve3, + Quaternion: Quaternion, + QuaternionKeyframeTrack: QuaternionKeyframeTrack, + QuaternionLinearInterpolant: QuaternionLinearInterpolant, + RED_GREEN_RGTC2_Format: RED_GREEN_RGTC2_Format, + RED_RGTC1_Format: RED_RGTC1_Format, + REVISION: REVISION, + RGBADepthPacking: RGBADepthPacking, + RGBAFormat: RGBAFormat, + RGBAIntegerFormat: RGBAIntegerFormat, + RGBA_ASTC_10x10_Format: RGBA_ASTC_10x10_Format, + RGBA_ASTC_10x5_Format: RGBA_ASTC_10x5_Format, + RGBA_ASTC_10x6_Format: RGBA_ASTC_10x6_Format, + RGBA_ASTC_10x8_Format: RGBA_ASTC_10x8_Format, + RGBA_ASTC_12x10_Format: RGBA_ASTC_12x10_Format, + RGBA_ASTC_12x12_Format: RGBA_ASTC_12x12_Format, + RGBA_ASTC_4x4_Format: RGBA_ASTC_4x4_Format, + RGBA_ASTC_5x4_Format: RGBA_ASTC_5x4_Format, + RGBA_ASTC_5x5_Format: RGBA_ASTC_5x5_Format, + RGBA_ASTC_6x5_Format: RGBA_ASTC_6x5_Format, + RGBA_ASTC_6x6_Format: RGBA_ASTC_6x6_Format, + RGBA_ASTC_8x5_Format: RGBA_ASTC_8x5_Format, + RGBA_ASTC_8x6_Format: RGBA_ASTC_8x6_Format, + RGBA_ASTC_8x8_Format: RGBA_ASTC_8x8_Format, + RGBA_BPTC_Format: RGBA_BPTC_Format, + RGBA_ETC2_EAC_Format: RGBA_ETC2_EAC_Format, + RGBA_PVRTC_2BPPV1_Format: RGBA_PVRTC_2BPPV1_Format, + RGBA_PVRTC_4BPPV1_Format: RGBA_PVRTC_4BPPV1_Format, + RGBA_S3TC_DXT1_Format: RGBA_S3TC_DXT1_Format, + RGBA_S3TC_DXT3_Format: RGBA_S3TC_DXT3_Format, + RGBA_S3TC_DXT5_Format: RGBA_S3TC_DXT5_Format, + RGBDepthPacking: RGBDepthPacking, + RGBFormat: RGBFormat, + RGBIntegerFormat: RGBIntegerFormat, + RGB_BPTC_SIGNED_Format: RGB_BPTC_SIGNED_Format, + RGB_BPTC_UNSIGNED_Format: RGB_BPTC_UNSIGNED_Format, + RGB_ETC1_Format: RGB_ETC1_Format, + RGB_ETC2_Format: RGB_ETC2_Format, + RGB_PVRTC_2BPPV1_Format: RGB_PVRTC_2BPPV1_Format, + RGB_PVRTC_4BPPV1_Format: RGB_PVRTC_4BPPV1_Format, + RGB_S3TC_DXT1_Format: RGB_S3TC_DXT1_Format, + RGDepthPacking: RGDepthPacking, + RGFormat: RGFormat, + RGIntegerFormat: RGIntegerFormat, + RawShaderMaterial: RawShaderMaterial, + Ray: Ray, + Raycaster: Raycaster, + RectAreaLight: RectAreaLight, + RedFormat: RedFormat, + RedIntegerFormat: RedIntegerFormat, + ReinhardToneMapping: ReinhardToneMapping, + RenderTarget: RenderTarget, + RenderTarget3D: RenderTarget3D, + RepeatWrapping: RepeatWrapping, + ReplaceStencilOp: ReplaceStencilOp, + ReverseSubtractEquation: ReverseSubtractEquation, + RingGeometry: RingGeometry, + SIGNED_RED_GREEN_RGTC2_Format: SIGNED_RED_GREEN_RGTC2_Format, + SIGNED_RED_RGTC1_Format: SIGNED_RED_RGTC1_Format, + SRGBColorSpace: SRGBColorSpace, + SRGBTransfer: SRGBTransfer, + Scene: Scene, + ShaderChunk: ShaderChunk, + ShaderLib: ShaderLib, + ShaderMaterial: ShaderMaterial, + ShadowMaterial: ShadowMaterial, + Shape: Shape, + ShapeGeometry: ShapeGeometry, + ShapePath: ShapePath, + ShapeUtils: ShapeUtils, + ShortType: ShortType, + Skeleton: Skeleton, + SkeletonHelper: SkeletonHelper, + SkinnedMesh: SkinnedMesh, + Source: Source, + Sphere: Sphere, + SphereGeometry: SphereGeometry, + Spherical: Spherical, + SphericalHarmonics3: SphericalHarmonics3, + SplineCurve: SplineCurve, + SpotLight: SpotLight, + SpotLightHelper: SpotLightHelper, + Sprite: Sprite, + SpriteMaterial: SpriteMaterial, + SrcAlphaFactor: SrcAlphaFactor, + SrcAlphaSaturateFactor: SrcAlphaSaturateFactor, + SrcColorFactor: SrcColorFactor, + StaticCopyUsage: StaticCopyUsage, + StaticDrawUsage: StaticDrawUsage, + StaticReadUsage: StaticReadUsage, + StereoCamera: StereoCamera, + StreamCopyUsage: StreamCopyUsage, + StreamDrawUsage: StreamDrawUsage, + StreamReadUsage: StreamReadUsage, + StringKeyframeTrack: StringKeyframeTrack, + SubtractEquation: SubtractEquation, + SubtractiveBlending: SubtractiveBlending, + TOUCH: TOUCH, + TangentSpaceNormalMap: TangentSpaceNormalMap, + TetrahedronGeometry: TetrahedronGeometry, + Texture: Texture, + TextureLoader: TextureLoader, + TextureUtils: TextureUtils, + TimestampQuery: TimestampQuery, + TorusGeometry: TorusGeometry, + TorusKnotGeometry: TorusKnotGeometry, + Triangle: Triangle, + TriangleFanDrawMode: TriangleFanDrawMode, + TriangleStripDrawMode: TriangleStripDrawMode, + TrianglesDrawMode: TrianglesDrawMode, + TubeGeometry: TubeGeometry, + UVMapping: UVMapping, + Uint16BufferAttribute: Uint16BufferAttribute, + Uint32BufferAttribute: Uint32BufferAttribute, + Uint8BufferAttribute: Uint8BufferAttribute, + Uint8ClampedBufferAttribute: Uint8ClampedBufferAttribute, + Uniform: Uniform, + UniformsGroup: UniformsGroup, + UniformsLib: UniformsLib, + UniformsUtils: UniformsUtils, + UnsignedByteType: UnsignedByteType, + UnsignedInt248Type: UnsignedInt248Type, + UnsignedInt5999Type: UnsignedInt5999Type, + UnsignedIntType: UnsignedIntType, + UnsignedShort4444Type: UnsignedShort4444Type, + UnsignedShort5551Type: UnsignedShort5551Type, + UnsignedShortType: UnsignedShortType, + VSMShadowMap: VSMShadowMap, + Vector2: Vector2, + Vector3: Vector3, + Vector4: Vector4, + VectorKeyframeTrack: VectorKeyframeTrack, + VideoFrameTexture: VideoFrameTexture, + VideoTexture: VideoTexture, + WebGL3DRenderTarget: WebGL3DRenderTarget, + WebGLArrayRenderTarget: WebGLArrayRenderTarget, + WebGLCoordinateSystem: WebGLCoordinateSystem, + WebGLCubeRenderTarget: WebGLCubeRenderTarget, + WebGLRenderTarget: WebGLRenderTarget, + WebGLRenderer: WebGLRenderer, + WebGLUtils: WebGLUtils, + WebGPUCoordinateSystem: WebGPUCoordinateSystem, + WebXRController: WebXRController, + WireframeGeometry: WireframeGeometry, + WrapAroundEnding: WrapAroundEnding, + ZeroCurvatureEnding: ZeroCurvatureEnding, + ZeroFactor: ZeroFactor, + ZeroSlopeEnding: ZeroSlopeEnding, + ZeroStencilOp: ZeroStencilOp, + createCanvasElement: createCanvasElement + }); + + return THREE; + +}));