PixelSwirl/mrwizard.html at main · LockMan007/PixelSwirl · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Mr. Wizard Atari Drawing (HTML5) - Enhanced</title>
    <style>
        body {
            margin: 0;
            overflow: hidden;
            background-color: black;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            font-family: 'Press Start 2P', cursive; /* Optional: for a retro feel */
            color: lime; /* For menu text */
            flex-direction: column;
            user-select: none; /* Prevent text selection */
        }
        canvas {
            border: 2px solid #333;
            background-color: #000;
            cursor: crosshair;
        }
        #menu {
            position: absolute;
            top: 20px;
            left: 20px;
            background-color: rgba(0, 0, 0, 0.7);
            padding: 10px;
            border: 1px solid #555;
            color: lime;
            font-size: 14px;
            line-height: 1.6;
            z-index: 10; /* Ensure menu is on top */
        }
        #menu p {
            margin: 0;
        }
        #menu p span {
            color: #FFFF00; /* Highlighted text */
        }
        #controls {
            margin-top: 10px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap; /* Allow controls to wrap */
            justify-content: center;
            align-items: center;
            padding: 10px;
            background-color: rgba(0, 0, 0, 0.7);
            border: 1px solid #555;
        }
        #controls button, #controls label, #controls input[type="range"], #controls input[type="number"] {
            background-color: #333;
            color: lime;
            border: 1px solid #555;
            padding: 8px 15px;
            cursor: pointer;
            font-family: 'Press Start 2P', cursive;
            font-size: 12px;
            white-space: nowrap; /* Prevent text wrapping */
        }
        #controls button:hover {
            background-color: #555;
        }
        #controls label {
            background-color: transparent;
            border: none;
            padding: 0;
            margin-right: 5px;
        }
        #controls input[type="range"] {
            width: 120px;
            height: 25px; /* Adjust height for better appearance */
            -webkit-appearance: none;
            background: #555;
            outline: none;
            border-radius: 5px;
            border: 1px solid #777;
        }
        #controls input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 15px;
            height: 15px;
            background: lime;
            border-radius: 50%;
            cursor: pointer;
        }
        #controls input[type="number"] {
            width: 60px;
            text-align: center;
        }
    </style>
    <link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
</head>
<body>
    <div id="menu">
        <p>MAIN</p>
        <p><span id="lineMenuText">LINE</span></p>
        <p>POINT</p>
        <p>COLOR</p>
        <p>DRAWING</p>
        <p>QUAD</p>
        <p><span id="clearMenuText">CLEAR</span></p>
        <p><span id="startMenuText">START</span></p>
        <p><span id="eraseMenuText">ERASE</span></p>
        <p>PAINTING 1</p>
        <p>TYPE A RETURN AFTER</p>
        <p>ALL COMMANDS</p>
        <p>COPYRIGHT ATARI 1979</p>
    </div>

    <canvas id="atariCanvas"></canvas>

    <div id="controls">
        <button id="clearBtn">CLEAR</button>
        <button id="toggleAnimationBtn">RESUME ANIMATION</button>
        <button id="eraseBtn">ERASE</button>
        <button id="lineBtn">LINE</button>
        <button id="autoDrawBtn">AUTO DRAW</button>

        <label for="colorSpeed">Color Speed:</label>
        <input type="range" id="colorSpeed" min="1" max="100" value="100">

        <label for="numShapes">Auto Shapes:</label>
        <input type="number" id="numShapes" min="1" max="10" value="3">

        <label for="numTrails">Auto Trails:</label>
        <input type="number" id="numTrails" min="10" max="200" value="50">
    </div>

    <script>
        const canvas = document.getElementById('atariCanvas');
        const ctx = canvas.getContext('2d');

        canvas.width = 640;
        canvas.height = 480;

        let drawing = false;
        let erasing = false;
        let autoDrawing = false;
        let lastX, lastY;
        let drawnSegments = []; // Stores { startX, startY, endX, endY, baseColorIndex, type: 'line'/'erase' }
        let animationActive = false; // Changed: Animation is paused by default
        let animationFrameCount = 0;
        let animationSpeedFactor = 100; // Changed: Default to max speed (100)

        const colorPalette = [
            '#FF00FF', // Magenta
            '#00FFFF', // Cyan
            '#FFFF00', // Yellow
            '#00FF00', // Green
            '#FF8000', // Orange
            '#8000FF', // Purple
            '#0080FF', // Sky Blue
            '#FF0080'  // Hot Pink
        ];
        let colorCycleOffset = 0;
        const numSectors = 8; // For kaleidoscope symmetry

        // Auto Drawing specific variables
        let autoShapesToDraw = 3;
        let autoTrailsPerShape = 50;
        let currentAutoShape = 0;
        let currentAutoTrail = 0;
        let autoStartPoint = { x: 0, y: 0 };
        let autoEndPoint = { x: 0, y: 0 };
        let autoTargetPoint = { x: 0, y: 0 };
        let autoColorIndex = 0;

        // --- DOM Elements ---
        const clearBtn = document.getElementById('clearBtn');
        const toggleAnimationBtn = document.getElementById('toggleAnimationBtn');
        const eraseBtn = document.getElementById('eraseBtn');
        const lineBtn = document.getElementById('lineBtn');
        const autoDrawBtn = document.getElementById('autoDrawBtn');
        const colorSpeedSlider = document.getElementById('colorSpeed');
        const numShapesInput = document.getElementById('numShapes');
        const numTrailsInput = document.getElementById('numTrails');

        // Menu text elements for highlighting
        const lineMenuText = document.getElementById('lineMenuText');
        const clearMenuText = document.getElementById('clearMenuText');
        const startMenuText = document.getElementById('startMenuText');
        const eraseMenuText = document.getElementById('eraseMenuText');


        // --- Functions ---

        function drawSymmetricLine(x1, y1, x2, y2, colorIdx, isErasing = false) {
            const centerX = canvas.width / 2;
            const centerY = canvas.height / 2;

            for (let i = 0; i < numSectors; i++) {
                ctx.save();
                ctx.translate(centerX, centerY);
                ctx.rotate(i * (Math.PI * 2 / numSectors)); // Rotate by sector angle

                if (isErasing) {
                    ctx.strokeStyle = 'black'; // Erase by drawing in background color
                    ctx.lineWidth = 10; // Thicker for erasing
                    ctx.lineCap = 'round';
                } else {
                    ctx.strokeStyle = colorPalette[(colorIdx + colorCycleOffset) % colorPalette.length];
                    ctx.lineWidth = 2;
                    ctx.lineCap = 'butt';
                }

                ctx.beginPath();
                ctx.moveTo(x1 - centerX, y1 - centerY);
                ctx.lineTo(x2 - centerX, y2 - centerY);
                ctx.stroke();

                // Draw mirrored line across Y-axis within this sector for double symmetry
                ctx.beginPath();
                ctx.moveTo(-(x1 - centerX), y1 - centerY);
                ctx.lineTo(-(x2 - centerX), y2 - centerY);
                ctx.stroke();

                ctx.restore();
            }
        }

        function setDrawingMode(mode) {
            erasing = (mode === 'erase');
            autoDrawing = (mode === 'auto');
            drawing = false; // Disable manual drawing when changing modes

            // Update button styles
            lineBtn.style.backgroundColor = (mode === 'line') ? '#555' : '#333';
            eraseBtn.style.backgroundColor = (mode === 'erase') ? '#555' : '#333';
            autoDrawBtn.style.backgroundColor = (mode === 'auto') ? '#555' : '#333';

            // Update cursor
            if (erasing) {
                canvas.style.cursor = 'url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\' width=\'24\' height=\'24\'><rect x=\'0\' y=\'0\' width=\'24\' height=\'24\' fill=\'white\' stroke=\'black\' stroke-width=\'1\'/></svg>") 12 12, default';
            } else if (autoDrawing) {
                canvas.style.cursor = 'default';
            } else { // line mode
                canvas.style.cursor = 'crosshair';
            }

            // Update menu text highlights
            lineMenuText.style.color = (mode === 'line') ? '#FFFF00' : 'lime';
            eraseMenuText.style.color = (mode === 'erase') ? '#FFFF00' : 'lime';
            // No direct menu item for auto draw, so we'll highlight 'START' for it
            startMenuText.style.color = (mode === 'auto') ? '#FFFF00' : 'lime';

            // Reset auto drawing state if switching away from it
            if (!autoDrawing) {
                currentAutoShape = 0;
                currentAutoTrail = 0;
            } else {
                // Initialize for auto-draw
                resetAutoDrawState();
            }
        }

        function resetAutoDrawState() {
            currentAutoShape = 0;
            currentAutoTrail = 0;
            autoStartPoint = { x: Math.random() * canvas.width, y: Math.random() * canvas.height };
            autoTargetPoint = { x: Math.random() * canvas.width, y: Math.random() * canvas.height };
            autoColorIndex = Math.floor(Math.random() * colorPalette.length);
        }

        function handleAutoDrawing() {
            if (currentAutoShape >= autoShapesToDraw) {
                // All shapes drawn, stop auto drawing
                setDrawingMode('line'); // Revert to manual line drawing
                return;
            }

            if (currentAutoTrail >= autoTrailsPerShape) {
                // Move to next shape
                currentAutoShape++;
                currentAutoTrail = 0;
                resetAutoDrawState(); // New random start/target for next shape
                return;
            }

            // Interpolate points for the "trail" effect
            const ratio = currentAutoTrail / autoTrailsPerShape;
            const x = autoStartPoint.x + (autoTargetPoint.x - autoStartPoint.x) * ratio;
            const y = autoStartPoint.y + (autoTargetPoint.y - autoStartPoint.y) * ratio;

            // Store the segment
            if (currentAutoTrail > 0) { // Only draw lines after the first point
                 drawnSegments.push({
                    startX: autoEndPoint.x, // Previous end point
                    startY: autoEndPoint.y,
                    endX: x,
                    endY: y,
                    baseColorIndex: autoColorIndex,
                    type: 'line'
                });
            }

            autoEndPoint = { x: x, y: y }; // Update current end point
            currentAutoTrail++;
        }


        function animate() {
            // Control animation speed by skipping frames
            if (animationActive) {
                animationFrameCount++;
                // Invert the speed logic: 100 means skip 0 frames, 1 means skip 99 frames
                const skipFrames = Math.floor(100 - animationSpeedFactor);
                if (skipFrames > 0 && animationFrameCount % (skipFrames + 1) !== 0) {
                    requestAnimationFrame(animate);
                    return;
                }
            }


            ctx.clearRect(0, 0, canvas.width, canvas.height); // Clear the whole canvas

            if (animationActive) { // Only cycle colors if animation is active
                colorCycleOffset = (colorCycleOffset + 1) % colorPalette.length; // Cycle colors
            }

            if (autoDrawing) {
                handleAutoDrawing();
            }

            // Redraw all stored segments with updated colors
            drawnSegments.forEach(segment => {
                drawSymmetricLine(segment.startX, segment.startY, segment.endX, segment.endY, segment.baseColorIndex, segment.type === 'erase');
            });

            requestAnimationFrame(animate);
        }

        // --- Event Listeners ---

        canvas.addEventListener('mousedown', (e) => {
            if (!autoDrawing) { // Only allow manual drawing if not in auto mode
                drawing = true;
                lastX = e.offsetX;
                lastY = e.offsetY;
            }
        });

        canvas.addEventListener('mousemove', (e) => {
            if (!drawing) return;

            const currentX = e.offsetX;
            const currentY = e.offsetY;

            const angle = Math.atan2(currentY - lastY, currentX - lastX);
            const baseColorIndex = Math.floor((angle / (Math.PI * 2) + 0.5) * colorPalette.length) % colorPalette.length;

            drawnSegments.push({
                startX: lastX,
                startY: lastY,
                endX: currentX,
                endY: currentY,
                baseColorIndex: baseColorIndex,
                type: erasing ? 'erase' : 'line'
            });

            lastX = currentX;
            lastY = currentY;
        });

        canvas.addEventListener('mouseup', () => {
            drawing = false;
        });

        canvas.addEventListener('mouseleave', () => {
            drawing = false;
        });

        // --- Control Button Event Listeners ---
        clearBtn.addEventListener('click', () => {
            drawnSegments = []; // Clear all segments
            ctx.clearRect(0, 0, canvas.width, canvas.height); // Immediately clear canvas
            clearMenuText.style.color = '#FFFF00'; // Highlight
            setTimeout(() => clearMenuText.style.color = 'lime', 200); // Unhighlight
        });

        toggleAnimationBtn.addEventListener('click', () => {
            animationActive = !animationActive;
            toggleAnimationBtn.textContent = animationActive ? 'PAUSE ANIMATION' : 'RESUME ANIMATION';
        });

        eraseBtn.addEventListener('click', () => setDrawingMode('erase'));
        lineBtn.addEventListener('click', () => setDrawingMode('line'));
        autoDrawBtn.addEventListener('click', () => setDrawingMode('auto'));

        colorSpeedSlider.addEventListener('input', (e) => {
            animationSpeedFactor = parseInt(e.target.value, 10);
        });

        numShapesInput.addEventListener('change', (e) => {
            autoShapesToDraw = parseInt(e.target.value, 10);
            if (autoDrawing) { // Restart auto-draw if values change while active
                resetAutoDrawState();
            }
        });

        numTrailsInput.addEventListener('change', (e) => {
            autoTrailsPerShape = parseInt(e.target.value, 10);
            if (autoDrawing) { // Restart auto-draw if values change while active
                resetAutoDrawState();
            }
        });

        // Initialize default mode and settings
        setDrawingMode('line'); // Start in manual line drawing mode
        // Set initial slider value
        colorSpeedSlider.value = animationSpeedFactor;

        // Start the animation loop
        animate();
    </script>
</body>
</html>