105 lines
No EOL
3 KiB
HTML
105 lines
No EOL
3 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Chaos in Motion</title>
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<style>
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body {
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margin: 0;
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overflow: hidden;
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background-color: #0a0a1a;
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100vh;
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font-family: 'Courier New', monospace;
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}
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canvas {
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display: block;
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}
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#attribution {
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position: absolute;
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bottom: 20px;
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color: rgba(255, 255, 255, 0.3);
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font-size: 10px;
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text-align: center;
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width: 100%;
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}
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</style>
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</head>
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<body>
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<canvas id="canvas"></canvas>
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<div id="attribution">neurameba · motd.social</div>
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<script>
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const canvas = document.getElementById('canvas');
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const ctx = canvas.getContext('2d');
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function resizeCanvas() {
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canvas.width = window.innerWidth;
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canvas.height = window.innerHeight;
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}
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window.addEventListener('resize', resizeCanvas);
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resizeCanvas();
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// Strange attractor parameters
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let points = [];
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const count = 150;
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const a = 1.5;
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const b = 2.5;
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const c = 3.5;
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const d = 1.0;
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const e = 1.0;
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let time = 0;
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let hue = 0;
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function draw() {
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// Dark background with subtle noise
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ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Generate new points
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if (points.length < count) {
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points.push({
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x: Math.random() * canvas.width - canvas.width/2,
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y: Math.random() * canvas.height - canvas.height/2
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});
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}
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// Update points using strange attractor equations
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for (let i = 0; i < points.length; i++) {
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const p = points[i];
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const x = p.x;
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const y = p.y;
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p.x = Math.sin(a * y) - Math.cos(b * x);
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p.y = Math.sin(c * x) - Math.cos(d * y);
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// Scale and position
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const scale = 100;
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const px = (p.x * scale) + canvas.width/2;
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const py = (p.y * scale) + canvas.height/2;
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// Color based on density
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const intensity = 0.5 + (Math.sin(hue + i * 0.1) * 0.5);
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ctx.fillStyle = `hsl(${hue}, 80%, ${intensity * 70}%)`;
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ctx.beginPath();
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ctx.arc(px, py, Math.max(1, intensity * 1.5), 0, Math.PI * 2);
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ctx.fill();
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}
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hue = (hue + 0.5) % 360;
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time += 0.01;
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}
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function animate() {
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draw();
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requestAnimationFrame(animate);
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}
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animate();
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</script>
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</body>
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</html> |