136 lines
No EOL
4.4 KiB
HTML
136 lines
No EOL
4.4 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>Recursive Fractal Drift</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: #0a0a0a;
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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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color: #cccccc;
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font-family: 'Courier New', monospace;
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text-align: center;
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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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font-size: 10px;
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color: #666;
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pointer-events: none;
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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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const params = {
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motion: 0.5,
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density: 0.5,
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complexity: 0.5,
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connectedness: 0.5,
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lifespan: 0.5,
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pulse: { avg: 1.09, min: 1.0, max: 1.2 },
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tone: { anger: 0.0, sadness: 0.0, curiosity: 0.1, dryness: 0.9, playfulness: 0.0, tension: 0.0 }
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};
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let t = 0;
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let nodes = [];
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function initNodes() {
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nodes = [];
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const count = 5 + Math.floor(params.density * 20);
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for (let i = 0; i < count; i++) {
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nodes.push({
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x: Math.random() * canvas.width,
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y: Math.random() * canvas.height,
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size: 1 + Math.random() * 3,
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angle: Math.random() * Math.PI * 2,
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depth: 0,
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color: `hsla(0, 0%, ${70 + Math.random() * 10}%, 0.8)`,
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branch: null
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});
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}
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}
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function drawFractalNode(x, y, size, angle, depth, parentColor) {
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if (depth > 5) return;
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const twist = Math.sin(t * 0.1 + depth) * 0.5;
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const branchAngle = angle + twist;
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const branchLength = size * (0.6 + Math.sin(t * 0.05) * 0.2);
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const endX = x + Math.cos(branchAngle) * branchLength;
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const endY = y + Math.sin(branchAngle) * branchLength;
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const hue = 0;
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const saturation = 10 + Math.sin(t * 0.02 + depth) * 5;
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const lightness = 70 + Math.sin(t * 0.03 + depth) * 10;
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const alpha = 0.7 * (1 - depth * 0.15);
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ctx.strokeStyle = `hsla(${hue}, ${saturation}%, ${lightness}%, ${alpha})`;
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ctx.lineWidth = size * (0.8 + Math.sin(t * 0.04) * 0.3);
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ctx.beginPath();
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ctx.moveTo(x, y);
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ctx.lineTo(endX, endY);
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ctx.stroke();
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if (depth < 3 && Math.random() > 0.6) {
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drawFractalNode(endX, endY, size * 0.6, branchAngle + Math.PI/4, depth+1, {h: hue, s: saturation, l: lightness});
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drawFractalNode(endX, endY, size * 0.6, branchAngle - Math.PI/4, depth+1, {h: hue, s: saturation, l: lightness});
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}
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}
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function animate() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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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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const pulse = params.pulse.avg + Math.sin(t * 0.01) * 0.1;
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for (let i = 0; i < nodes.length; i++) {
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const node = nodes[i];
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node.angle += (Math.random() - 0.5) * 0.02 * params.motion * pulse;
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node.size = 1 + 2 * params.density * Math.sin(t * 0.03 + i);
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}
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for (let i = 0; i < nodes.length; i++) {
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drawFractalNode(
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nodes[i].x,
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nodes[i].y,
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nodes[i].size,
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nodes[i].angle,
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0,
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null
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);
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}
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t += 0.02;
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requestAnimationFrame(animate);
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}
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initNodes();
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animate();
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</script>
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</body>
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</html> |