From d138b2133e51f1a3d9892e82e4409b7f32ea16e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E4=BA=91=E9=BE=99?=
 <118656714+liyunlong1228@users.noreply.github.com>
Date: Sun, 31 Dec 2023 01:40:52 +0800
Subject: [PATCH]  app.js

---
 app.js | 1042 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 996 insertions(+), 46 deletions(-)
diff --git a/app.js b/app.js
index 5ab128e4b4..c21f77d70b 100644
--- a/app.js
+++ b/app.js
@@ -10,52 +10,1002 @@ server.keepAliveTimeout = 120 * 1000;
 server.headersTimeout = 120 * 1000;
 
 const html = `
-<!DOCTYPE html>
+<!doctype html>
 <html>
-  <head>
-    <title>Hello from Render!</title>
-    <script src="https://cdn.jsdelivr.net/npm/canvas-confetti@1.5.1/dist/confetti.browser.min.js"></script>
-    <script>
-      setTimeout(() => {
-        confetti({
-          particleCount: 100,
-          spread: 70,
-          origin: { y: 0.6 },
-          disableForReducedMotion: true
-        });
-      }, 500);
-    </script>
-    <style>
-      @import url("https://p.typekit.net/p.css?s=1&k=vnd5zic&ht=tk&f=39475.39476.39477.39478.39479.39480.39481.39482&a=18673890&app=typekit&e=css");
-      @font-face {
-        font-family: "neo-sans";
-        src: url("https://use.typekit.net/af/00ac0a/00000000000000003b9b2033/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3") format("woff2"), url("https://use.typekit.net/af/00ac0a/00000000000000003b9b2033/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3") format("woff"), url("https://use.typekit.net/af/00ac0a/00000000000000003b9b2033/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3") format("opentype");
-        font-style: normal;
-        font-weight: 700;
-      }
-      html {
-        font-family: neo-sans;
-        font-weight: 700;
-        font-size: calc(62rem / 16);
-      }
-      body {
-        background: white;
-      }
-      section {
-        border-radius: 1em;
-        padding: 1em;
-        position: absolute;
-        top: 50%;
-        left: 50%;
-        margin-right: -50%;
-        transform: translate(-50%, -50%);
-      }
-    </style>
-  </head>
-  <body>
-    <section>
-      Hello from Render!
-    </section>
-  </body>
+<head>
+<meta charset="utf-8">
+<title>新年烟花</title>
+
+<style>
+html,body{
+	margin:0px;
+	width:100%;
+	height:100%;
+	overflow:hidden;
+	background:#000;
+}
+</style>
+
+</head>
+<body>
+<canvas id="canvas" style="position:absolute;width:100%;height:100%;z-index:8888"></canvas>
+<canvas style="position:absolute;width:100%;height:100%;z-index:9999" class="canvas" ></canvas>
+<div class="overlay">
+  <div class="tabs">
+    <div class="tabs-labels"><span class="tabs-label">Commands</span><span class="tabs-label">Info</span><span class="tabs-label">Share</span></div>
+
+    <div class="tabs-panels">
+      <ul class="tabs-panel commands">
+      </ul>
+    </div>
+  </div>
+</div>
+<script>
+function initVars(){
+
+	pi=Math.PI;
+	ctx=canvas.getContext("2d");
+	canvas.width=canvas.clientWidth;
+	canvas.height=canvas.clientHeight;
+	cx=canvas.width/2;
+	cy=canvas.height/2;
+	playerZ=-25;
+	playerX=playerY=playerVX=playerVY=playerVZ=pitch=yaw=pitchV=yawV=0;
+	scale=600;
+	seedTimer=0;seedInterval=5,seedLife=100;gravity=.02;
+	seeds=new Array();
+	sparkPics=new Array();
+	s="https://cantelope.org/NYE/";
+	for(i=1;i<=10;++i){
+		sparkPic=new Image();
+		sparkPic.src=s+"spark"+i+".png";
+		sparkPics.push(sparkPic);
+	}
+	sparks=new Array();
+	pow1=new Audio(s+"pow1.ogg");
+	pow2=new Audio(s+"pow2.ogg");
+	pow3=new Audio(s+"pow3.ogg");
+	pow4=new Audio(s+"pow4.ogg");
+	frames = 0;
+}
+
+function rasterizePoint(x,y,z){
+
+	var p,d;
+	x-=playerX;
+	y-=playerY;
+	z-=playerZ;
+	p=Math.atan2(x,z);
+	d=Math.sqrt(x*x+z*z);
+	x=Math.sin(p-yaw)*d;
+	z=Math.cos(p-yaw)*d;
+	p=Math.atan2(y,z);
+	d=Math.sqrt(y*y+z*z);
+	y=Math.sin(p-pitch)*d;
+	z=Math.cos(p-pitch)*d;
+	var rx1=-1000,ry1=1,rx2=1000,ry2=1,rx3=0,ry3=0,rx4=x,ry4=z,uc=(ry4-ry3)*(rx2-rx1)-(rx4-rx3)*(ry2-ry1);
+	if(!uc) return {x:0,y:0,d:-1};
+	var ua=((rx4-rx3)*(ry1-ry3)-(ry4-ry3)*(rx1-rx3))/uc;
+	var ub=((rx2-rx1)*(ry1-ry3)-(ry2-ry1)*(rx1-rx3))/uc;
+	if(!z)z=.000000001;
+	if(ua>0&&ua<1&&ub>0&&ub<1){
+		return {
+			x:cx+(rx1+ua*(rx2-rx1))*scale,
+			y:cy+y/z*scale,
+			d:Math.sqrt(x*x+y*y+z*z)
+		};
+	}else{
+		return {
+			x:cx+(rx1+ua*(rx2-rx1))*scale,
+			y:cy+y/z*scale,
+			d:-1
+		};
+	}
+}
+
+function spawnSeed(){
+
+	seed=new Object();
+	seed.x=-50+Math.random()*100;
+	seed.y=25;
+	seed.z=-50+Math.random()*100;
+	seed.vx=.1-Math.random()*.2;
+	seed.vy=-1.5;//*(1+Math.random()/2);
+	seed.vz=.1-Math.random()*.2;
+	seed.born=frames;
+	seeds.push(seed);
+}
+
+function splode(x,y,z){
+
+	t=5+parseInt(Math.random()*150);
+	sparkV=1+Math.random()*2.5;
+	type=parseInt(Math.random()*3);
+	switch(type){
+		case 0:
+			pic1=parseInt(Math.random()*10);
+			break;
+		case 1:
+			pic1=parseInt(Math.random()*10);
+			do{ pic2=parseInt(Math.random()*10); }while(pic2==pic1);
+			break;
+		case 2:
+			pic1=parseInt(Math.random()*10);
+			do{ pic2=parseInt(Math.random()*10); }while(pic2==pic1);
+			do{ pic3=parseInt(Math.random()*10); }while(pic3==pic1 || pic3==pic2);
+			break;
+	}
+	for(m=1;m<t;++m){
+		spark=new Object();
+		spark.x=x; spark.y=y; spark.z=z;
+		p1=pi*2*Math.random();
+		p2=pi*Math.random();
+		v=sparkV*(1+Math.random()/6)
+		spark.vx=Math.sin(p1)*Math.sin(p2)*v;
+		spark.vz=Math.cos(p1)*Math.sin(p2)*v;
+		spark.vy=Math.cos(p2)*v;
+		switch(type){
+			case 0: spark.img=sparkPics[pic1]; break;
+			case 1:
+				spark.img=sparkPics[parseInt(Math.random()*2)?pic1:pic2];
+				break;
+			case 2:
+				switch(parseInt(Math.random()*3)){
+					case 0: spark.img=sparkPics[pic1]; break;
+					case 1: spark.img=sparkPics[pic2]; break;
+					case 2: spark.img=sparkPics[pic3]; break;
+				}
+				break;
+		}
+		spark.radius=25+Math.random()*50;
+		spark.alpha=1;
+		spark.trail=new Array();
+		sparks.push(spark);
+	}
+	switch(parseInt(Math.random()*4)){
+		case 0:	pow=new Audio(s+"pow1.ogg"); break;
+		case 1:	pow=new Audio(s+"pow2.ogg"); break;
+		case 2:	pow=new Audio(s+"pow3.ogg"); break;
+		case 3:	pow=new Audio(s+"pow4.ogg"); break;
+	}
+	d=Math.sqrt((x-playerX)*(x-playerX)+(y-playerY)*(y-playerY)+(z-playerZ)*(z-playerZ));
+	pow.volume=1.5/(1+d/10);
+	pow.play();
+}
+
+function doLogic(){
+
+	if(seedTimer<frames){
+		seedTimer=frames+seedInterval*Math.random()*10;
+		spawnSeed();
+	}
+	for(i=0;i<seeds.length;++i){
+		seeds[i].vy+=gravity;
+		seeds[i].x+=seeds[i].vx;
+		seeds[i].y+=seeds[i].vy;
+		seeds[i].z+=seeds[i].vz;
+		if(frames-seeds[i].born>seedLife){
+			splode(seeds[i].x,seeds[i].y,seeds[i].z);
+			seeds.splice(i,1);
+		}
+	}
+	for(i=0;i<sparks.length;++i){
+		if(sparks[i].alpha>0 && sparks[i].radius>5){
+			sparks[i].alpha-=.01;
+			sparks[i].radius/=1.02;
+			sparks[i].vy+=gravity;
+			point=new Object();
+			point.x=sparks[i].x;
+			point.y=sparks[i].y;
+			point.z=sparks[i].z;
+			if(sparks[i].trail.length){
+				x=sparks[i].trail[sparks[i].trail.length-1].x;
+				y=sparks[i].trail[sparks[i].trail.length-1].y;
+				z=sparks[i].trail[sparks[i].trail.length-1].z;
+				d=((point.x-x)*(point.x-x)+(point.y-y)*(point.y-y)+(point.z-z)*(point.z-z));
+				if(d>9){
+					sparks[i].trail.push(point);
+				}
+			}else{
+				sparks[i].trail.push(point);
+			}
+			if(sparks[i].trail.length>5)sparks[i].trail.splice(0,1);
+			sparks[i].x+=sparks[i].vx;
+			sparks[i].y+=sparks[i].vy;
+			sparks[i].z+=sparks[i].vz;
+			sparks[i].vx/=1.075;
+			sparks[i].vy/=1.075;
+			sparks[i].vz/=1.075;
+		}else{
+			sparks.splice(i,1);
+		}
+	}
+	p=Math.atan2(playerX,playerZ);
+	d=Math.sqrt(playerX*playerX+playerZ*playerZ);
+	d+=Math.sin(frames/80)/1.25;
+	t=Math.sin(frames/200)/40;
+	playerX=Math.sin(p+t)*d;
+	playerZ=Math.cos(p+t)*d;
+	yaw=pi+p+t;
+}
+
+function rgb(col){
+
+	var r = parseInt((.5+Math.sin(col)*.5)*16);
+	var g = parseInt((.5+Math.cos(col)*.5)*16);
+	var b = parseInt((.5-Math.sin(col)*.5)*16);
+	return "#"+r.toString(16)+g.toString(16)+b.toString(16);
+}
+
+function draw(){
+
+	ctx.clearRect(0,0,cx*2,cy*2);
+
+	ctx.fillStyle="#ff8";
+	for(i=-100;i<100;i+=3){
+		for(j=-100;j<100;j+=4){
+			x=i;z=j;y=25;
+			point=rasterizePoint(x,y,z);
+			if(point.d!=-1){
+				size=250/(1+point.d);
+				d = Math.sqrt(x * x + z * z);
+				a = 0.75 - Math.pow(d / 100, 6) * 0.75;
+				if(a>0){
+					ctx.globalAlpha = a;
+					ctx.fillRect(point.x-size/2,point.y-size/2,size,size);
+				}
+			}
+		}
+	}
+	ctx.globalAlpha=1;
+	for(i=0;i<seeds.length;++i){
+		point=rasterizePoint(seeds[i].x,seeds[i].y,seeds[i].z);
+		if(point.d!=-1){
+			size=200/(1+point.d);
+			ctx.fillRect(point.x-size/2,point.y-size/2,size,size);
+		}
+	}
+	point1=new Object();
+	for(i=0;i<sparks.length;++i){
+		point=rasterizePoint(sparks[i].x,sparks[i].y,sparks[i].z);
+		if(point.d!=-1){
+			size=sparks[i].radius*200/(1+point.d);
+			if(sparks[i].alpha<0)sparks[i].alpha=0;
+			if(sparks[i].trail.length){
+				point1.x=point.x;
+				point1.y=point.y;
+				switch(sparks[i].img){
+					case sparkPics[0]:ctx.strokeStyle="#f84";break;
+					case sparkPics[1]:ctx.strokeStyle="#84f";break;
+					case sparkPics[2]:ctx.strokeStyle="#8ff";break;
+					case sparkPics[3]:ctx.strokeStyle="#fff";break;
+					case sparkPics[4]:ctx.strokeStyle="#4f8";break;
+					case sparkPics[5]:ctx.strokeStyle="#f44";break;
+					case sparkPics[6]:ctx.strokeStyle="#f84";break;
+					case sparkPics[7]:ctx.strokeStyle="#84f";break;
+					case sparkPics[8]:ctx.strokeStyle="#fff";break;
+					case sparkPics[9]:ctx.strokeStyle="#44f";break;
+				}
+				for(j=sparks[i].trail.length-1;j>=0;--j){
+					point2=rasterizePoint(sparks[i].trail[j].x,sparks[i].trail[j].y,sparks[i].trail[j].z);
+					if(point2.d!=-1){
+						ctx.globalAlpha=j/sparks[i].trail.length*sparks[i].alpha/2;
+						ctx.beginPath();
+						ctx.moveTo(point1.x,point1.y);
+						ctx.lineWidth=1+sparks[i].radius*10/(sparks[i].trail.length-j)/(1+point2.d);
+						ctx.lineTo(point2.x,point2.y);
+						ctx.stroke();
+						point1.x=point2.x;
+						point1.y=point2.y;
+					}
+				}
+			}
+			ctx.globalAlpha=sparks[i].alpha;
+			ctx.drawImage(sparks[i].img,point.x-size/2,point.y-size/2,size,size);
+		}
+	}
+}
+
+function frame(){
+
+	if(frames>100000){
+		seedTimer=0;
+		frames=0;
+	}
+	frames++;
+	draw();
+	doLogic();
+	requestAnimationFrame(frame);
+}
+
+window.addEventListener("resize",()=>{
+	canvas.width=canvas.clientWidth;
+	canvas.height=canvas.clientHeight;
+	cx=canvas.width/2;
+	cy=canvas.height/2;
+});
+
+initVars();
+frame();
+</script>
+<script>
+	
+	
+/*
+
+  Shape Shifter
+  =============
+  A canvas experiment by Kenneth Cachia
+  http://www.kennethcachia.com
+
+  Updated code
+  ------------
+  https://github.com/kennethcachia/Shape-Shifter
+
+*/
+
+
+var S = {
+  init: function () {
+    var action = window.location.href,
+        i = action.indexOf('?a=');
+
+    S.Drawing.init('.canvas');
+    document.body.classList.add('body--ready');
+
+    if (i !== -1) {
+      S.UI.simulate(decodeURI(action).substring(i + 3));
+    } else {
+      S.UI.simulate('|#countdown 3||新|年|快|乐|#rectangle|');
+    }
+
+    S.Drawing.loop(function () {
+      S.Shape.render();
+    });
+  }
+};
+
+
+S.Drawing = (function () {
+  var canvas,
+      context,
+      renderFn
+      requestFrame = window.requestAnimationFrame       ||
+                     window.webkitRequestAnimationFrame ||
+                     window.mozRequestAnimationFrame    ||
+                     window.oRequestAnimationFrame      ||
+                     window.msRequestAnimationFrame     ||
+                     function(callback) {
+                       window.setTimeout(callback, 1000 / 60);
+                     };
+
+  return {
+    init: function (el) {
+      canvas = document.querySelector(el);
+      context = canvas.getContext('2d');
+      this.adjustCanvas();
+
+      window.addEventListener('resize', function (e) {
+        S.Drawing.adjustCanvas();
+      });
+    },
+
+    loop: function (fn) {
+      renderFn = !renderFn ? fn : renderFn;
+      this.clearFrame();
+      renderFn();
+      requestFrame.call(window, this.loop.bind(this));
+    },
+
+    adjustCanvas: function () {
+      canvas.width = window.innerWidth;
+      canvas.height = window.innerHeight;
+    },
+
+    clearFrame: function () {
+      context.clearRect(0, 0, canvas.width, canvas.height);
+    },
+
+    getArea: function () {
+      return { w: canvas.width, h: canvas.height };
+    },
+
+    drawCircle: function (p, c) {
+      context.fillStyle = c.render();
+      context.beginPath();
+      context.arc(p.x, p.y, p.z, 0, 2 * Math.PI, true);
+      context.closePath();
+      context.fill();
+    }
+  }
+}());
+
+
+S.UI = (function () {
+  var canvas = document.querySelector('.canvas'),
+      interval,
+      isTouch = false, //('ontouchstart' in window || navigator.msMaxTouchPoints),
+      currentAction,
+      resizeTimer,
+      time,
+      maxShapeSize = 30,
+      firstAction = true,
+      sequence = [],
+      cmd = '#';
+
+  function formatTime(date) {
+    var h = date.getHours(),
+        m = date.getMinutes(),
+    m = m < 10 ? '0' + m : m;
+    return h + ':' + m;
+  }
+
+  function getValue(value) {
+    return value && value.split(' ')[1];
+  }
+
+  function getAction(value) {
+    value = value && value.split(' ')[0];
+    return value && value[0] === cmd && value.substring(1);
+  }
+
+  function timedAction(fn, delay, max, reverse) {
+    clearInterval(interval);
+    currentAction = reverse ? max : 1;
+    fn(currentAction);
+
+    if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {
+      interval = setInterval(function () {
+        currentAction = reverse ? currentAction - 1 : currentAction + 1;
+        fn(currentAction);
+
+        if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {
+          clearInterval(interval);
+        }
+      }, delay);
+    }
+  }
+
+  function reset(destroy) {
+    clearInterval(interval);
+    sequence = [];
+    time = null;
+    destroy && S.Shape.switchShape(S.ShapeBuilder.letter(''));
+  }
+
+  function performAction(value) {
+    var action,
+        value,
+        current;
+
+    // overlay.classList.remove('overlay--visible');
+    sequence = typeof(value) === 'object' ? value : sequence.concat(value.split('|'));
+    // input.value = '';
+    // checkInputWidth();
+
+    timedAction(function (index) {
+      current = sequence.shift();
+      action = getAction(current);
+      value = getValue(current);
+
+      switch (action) {
+        case 'countdown':
+          value = parseInt(value) || 10;
+          value = value > 0 ? value : 10;
+
+          timedAction(function (index) {
+            if (index === 0) {
+              if (sequence.length === 0) {
+                S.Shape.switchShape(S.ShapeBuilder.letter(''));
+              } else {
+                performAction(sequence);
+              }
+            } else {
+              S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
+            }
+          }, 1000, value, true);
+          break;
+
+        case 'rectangle':
+          value = value && value.split('x');
+          value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];
+
+          S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));
+          break;
+
+        case 'circle':
+          value = parseInt(value) || maxShapeSize;
+          value = Math.min(value, maxShapeSize);
+          S.Shape.switchShape(S.ShapeBuilder.circle(value));
+          break;
+
+        case 'time':
+          var t = formatTime(new Date());
+
+          if (sequence.length > 0) {
+            S.Shape.switchShape(S.ShapeBuilder.letter(t));
+          } else {
+            timedAction(function () {
+              t = formatTime(new Date());
+              if (t !== time) {
+                time = t;
+                S.Shape.switchShape(S.ShapeBuilder.letter(time));
+              }
+            }, 1000);
+          }
+          break;
+
+        default:
+          S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'What?' : current));
+      }
+    }, 2000, sequence.length);
+  }
+
+  function checkInputWidth(e) {
+    if (input.value.length > 18) {
+      ui.classList.add('ui--wide');
+    } else {
+      ui.classList.remove('ui--wide');
+    }
+
+    if (firstAction && input.value.length > 0) {
+      ui.classList.add('ui--enter');
+    } else {
+      ui.classList.remove('ui--enter');
+    }
+  }
+
+  function bindEvents() {
+    document.body.addEventListener('keydown', function (e) {
+      input.focus();
+
+      if (e.keyCode === 13) {
+        firstAction = false;
+        reset();
+        performAction(input.value);
+      }
+    });
+
+    canvas.addEventListener('click', function (e) {
+      overlay.classList.remove('overlay--visible');
+    });
+  }
+
+  function init() {
+    bindEvents();
+    // input.focus();
+    isTouch && document.body.classList.add('touch');
+  }
+
+  // Init
+  init();
+
+  return {
+    simulate: function (action) {
+      performAction(action);
+    }
+  }
+}());
+
+
+S.UI.Tabs = (function () {
+  var tabs = document.querySelector('.tabs'),
+      labels = document.querySelector('.tabs-labels'),
+      triggers = document.querySelectorAll('.tabs-label'),
+      panels = document.querySelectorAll('.tabs-panel');
+
+  function activate(i) {
+    triggers[i].classList.add('tabs-label--active');
+    panels[i].classList.add('tabs-panel--active');
+  }
+
+  function bindEvents() {
+    labels.addEventListener('click', function (e) {
+      var el = e.target,
+          index;
+
+      if (el.classList.contains('tabs-label')) {
+        for (var t = 0; t < triggers.length; t++) {
+          triggers[t].classList.remove('tabs-label--active');
+          panels[t].classList.remove('tabs-panel--active');
+
+          if (el === triggers[t]) {
+            index = t;
+          }
+        }
+
+        activate(index);
+      }
+    });
+  }
+
+  function init() {
+    activate(0);
+    bindEvents();
+  }
+
+  // Init
+  init();
+}());
+
+
+S.Point = function (args) {
+  this.x = args.x;
+  this.y = args.y;
+  this.z = args.z;
+  this.a = args.a;
+  this.h = args.h;
+};
+
+
+S.Color = function (r, g, b, a) {
+  this.r = r;
+  this.g = g;
+  this.b = b;
+  this.a = a;
+};
+
+S.Color.prototype = {
+  render: function () {
+    return 'rgba(' + this.r + ',' +  + this.g + ',' + this.b + ',' + this.a + ')';
+  }
+};
+
+
+S.Dot = function (x, y) {
+  this.p = new S.Point({
+    x: x,
+    y: y,
+    z: 5,
+    a: 1,
+    h: 0
+  });
+
+  this.e = 0.07;
+  this.s = true;
+
+  this.c = new S.Color(255, 255, 255, this.p.a);
+
+  this.t = this.clone();
+  this.q = [];
+};
+
+S.Dot.prototype = {
+  clone: function () {
+    return new S.Point({
+      x: this.x,
+      y: this.y,
+      z: this.z,
+      a: this.a,
+      h: this.h
+    });
+  },
+
+  _draw: function () {
+    this.c.a = this.p.a;
+    S.Drawing.drawCircle(this.p, this.c);
+  },
+
+  _moveTowards: function (n) {
+    var details = this.distanceTo(n, true),
+        dx = details[0],
+        dy = details[1],
+        d = details[2],
+        e = this.e * d;
+
+    if (this.p.h === -1) {
+      this.p.x = n.x;
+      this.p.y = n.y;
+      return true;
+    }
+
+    if (d > 1) {
+      this.p.x -= ((dx / d) * e);
+      this.p.y -= ((dy / d) * e);
+    } else {
+      if (this.p.h > 0) {
+        this.p.h--;
+      } else {
+        return true;
+      }
+    }
+
+    return false;
+  },
+
+  _update: function () {
+    if (this._moveTowards(this.t)) {
+      var p = this.q.shift();
+
+      if (p) {
+        this.t.x = p.x || this.p.x;
+        this.t.y = p.y || this.p.y;
+        this.t.z = p.z || this.p.z;
+        this.t.a = p.a || this.p.a;
+        this.p.h = p.h || 0;
+      } else {
+        if (this.s) {
+          this.p.x -= Math.sin(Math.random() * 3.142);
+          this.p.y -= Math.sin(Math.random() * 3.142);
+        } else {
+          this.move(new S.Point({
+            x: this.p.x + (Math.random() * 50) - 25,
+            y: this.p.y + (Math.random() * 50) - 25,
+          }));
+        }
+      }
+    }
+
+    d = this.p.a - this.t.a;
+    this.p.a = Math.max(0.1, this.p.a - (d * 0.05));
+    d = this.p.z - this.t.z;
+    this.p.z = Math.max(1, this.p.z - (d * 0.05));
+  },
+
+  distanceTo: function (n, details) {
+    var dx = this.p.x - n.x,
+        dy = this.p.y - n.y,
+        d = Math.sqrt(dx * dx + dy * dy);
+
+    return details ? [dx, dy, d] : d;
+  },
+
+  move: function (p, avoidStatic) {
+    if (!avoidStatic || (avoidStatic && this.distanceTo(p) > 1)) {
+      this.q.push(p);
+    }
+  },
+
+  render: function () {
+    this._update();
+    this._draw();
+  }
+}
+
+
+S.ShapeBuilder = (function () {
+  var gap = 13,
+      shapeCanvas = document.createElement('canvas'),
+      shapeContext = shapeCanvas.getContext('2d'),
+      fontSize = 500,
+      fontFamily = 'Avenir, Helvetica Neue, Helvetica, Arial, sans-serif';
+
+  function fit() {
+    shapeCanvas.width = Math.floor(window.innerWidth / gap) * gap;
+    shapeCanvas.height = Math.floor(window.innerHeight / gap) * gap;
+    shapeContext.fillStyle = 'red';
+    shapeContext.textBaseline = 'middle';
+    shapeContext.textAlign = 'center';
+  }
+
+  function processCanvas() {
+    var pixels = shapeContext.getImageData(0, 0, shapeCanvas.width, shapeCanvas.height).data;
+        dots = [],
+        pixels,
+        x = 0,
+        y = 0,
+        fx = shapeCanvas.width,
+        fy = shapeCanvas.height,
+        w = 0,
+        h = 0;
+
+    for (var p = 0; p < pixels.length; p += (4 * gap)) {
+      if (pixels[p + 3] > 0) {
+        dots.push(new S.Point({
+          x: x,
+          y: y
+        }));
+
+        w = x > w ? x : w;
+        h = y > h ? y : h;
+        fx = x < fx ? x : fx;
+        fy = y < fy ? y : fy;
+      }
+
+      x += gap;
+
+      if (x >= shapeCanvas.width) {
+        x = 0;
+        y += gap;
+        p += gap * 4 * shapeCanvas.width;
+      }
+    }
+
+    return { dots: dots, w: w + fx, h: h + fy };
+  }
+
+  function setFontSize(s) {
+    shapeContext.font = 'bold ' + s + 'px ' + fontFamily;
+  }
+
+  function isNumber(n) {
+    return !isNaN(parseFloat(n)) && isFinite(n);
+  }
+
+  function init() {
+    fit();
+    window.addEventListener('resize', fit);
+  }
+
+  // Init
+  init();
+
+  return {
+    imageFile: function (url, callback) {
+      var image = new Image(),
+          a = S.Drawing.getArea();
+
+      image.onload = function () {
+        shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
+        shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);
+        callback(processCanvas());
+      };
+
+      image.onerror = function () {
+        callback(S.ShapeBuilder.letter('What?'));
+      }
+
+      image.src = url;
+    },
+
+    circle: function (d) {
+      var r = Math.max(0, d) / 2;
+      shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
+      shapeContext.beginPath();
+      shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);
+      shapeContext.fill();
+      shapeContext.closePath();
+
+      return processCanvas();
+    },
+
+    letter: function (l) {
+      var s = 0;
+
+      setFontSize(fontSize);
+      s = Math.min(fontSize,
+                  (shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,
+                  (shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);
+      setFontSize(s);
+
+      shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
+      shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);
+
+      return processCanvas();
+    },
+
+    rectangle: function (w, h) {
+      var dots = [],
+          width = gap * w,
+          height = gap * h;
+
+      for (var y = 0; y < height; y += gap) {
+        for (var x = 0; x < width; x += gap) {
+          dots.push(new S.Point({
+            x: x,
+            y: y,
+          }));
+        }
+      }
+
+      return { dots: dots, w: width, h: height };
+    }
+  };
+}());
+
+
+S.Shape = (function () {
+  var dots = [],
+      width = 0,
+      height = 0,
+      cx = 0,
+      cy = 0;
+
+  function compensate() {
+    var a = S.Drawing.getArea();
+
+    cx = a.w / 2 - width / 2;
+    cy = a.h / 2 - height / 2;
+  }
+
+  return {
+    shuffleIdle: function () {
+      var a = S.Drawing.getArea();
+
+      for (var d = 0; d < dots.length; d++) {
+        if (!dots[d].s) {
+          dots[d].move({
+            x: Math.random() * a.w,
+            y: Math.random() * a.h
+          });
+        }
+      }
+    },
+
+    switchShape: function (n, fast) {
+      var size,
+          a = S.Drawing.getArea();
+
+      width = n.w;
+      height = n.h;
+
+      compensate();
+
+      if (n.dots.length > dots.length) {
+        size = n.dots.length - dots.length;
+        for (var d = 1; d <= size; d++) {
+          dots.push(new S.Dot(a.w / 2, a.h / 2));
+        }
+      }
+
+      var d = 0,
+          i = 0;
+
+      while (n.dots.length > 0) {
+        i = Math.floor(Math.random() * n.dots.length);
+        dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);
+
+        if (dots[d].s) {
+          dots[d].move(new S.Point({
+            z: Math.random() * 20 + 10,
+            a: Math.random(),
+            h: 18
+          }));
+        } else {
+          dots[d].move(new S.Point({
+            z: Math.random() * 5 + 5,
+            h: fast ? 18 : 30
+          }));
+        }
+
+        dots[d].s = true;
+        dots[d].move(new S.Point({
+          x: n.dots[i].x + cx,
+          y: n.dots[i].y + cy,
+          a: 1,
+          z: 5,
+          h: 0
+        }));
+
+        n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));
+        d++;
+      }
+
+      for (var i = d; i < dots.length; i++) {
+        if (dots[i].s) {
+          dots[i].move(new S.Point({
+            z: Math.random() * 20 + 10,
+            a: Math.random(),
+            h: 20
+          }));
+
+          dots[i].s = false;
+          dots[i].e = 0.04;
+          dots[i].move(new S.Point({
+            x: Math.random() * a.w,
+            y: Math.random() * a.h,
+            a: 0.3, //.4
+            z: Math.random() * 4,
+            h: 0
+          }));
+        }
+      }
+    },
+
+    render: function () {
+      for (var d = 0; d < dots.length; d++) {
+        dots[d].render();
+      }
+    }
+  }
+}());
+
+
+S.init();
+
+</script>
+
+</body>
 </html>
+
 `
