185 lines
No EOL
6.1 KiB
HTML
185 lines
No EOL
6.1 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>Voronoi Fracture</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: #111;
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color: #888;
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
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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: fixed;
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bottom: 10px;
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right: 10px;
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font-size: 10px;
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opacity: 0.5;
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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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// Set canvas to full window size
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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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// Parameters derived from the prompt
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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: 1.00, max: 1.20 },
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tone: { anger: 0.00, sadness: 0.00, curiosity: 0.10, dryness: 0.90, playfulness: 0.00, tension: 0.00 }
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};
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// Voronoi fracture system
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const voronoi = [];
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const points = [];
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const maxPoints = 200;
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const pointSize = 40;
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const fractureLines = [];
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const colors = [
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'#eee', '#aaa', '#888', '#666', '#444', '#222'
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];
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function initVoronoi() {
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points.length = 0;
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voronoi.length = 0;
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fractureLines.length = 0;
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const count = Math.floor(params.density * maxPoints * 1.5);
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const complexityFactor = params.complexity * 2 + 0.5;
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const connectednessFactor = params.connectedness * 1.8;
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for (let i = 0; i < count; i++) {
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points.push({
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x: Math.random() * canvas.width,
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y: Math.random() * canvas.height,
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vx: (Math.random() - 0.5) * params.motion * 2,
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vy: (Math.random() - 0.5) * params.motion * 2,
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size: pointSize * (0.5 + Math.random() * 0.5),
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life: Math.random() * 50 + 50,
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color: colors[Math.floor(Math.random() * colors.length)]
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});
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}
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// Create voronoi fracture lines
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for (let i = 0; i < points.length; i++) {
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for (let j = i + 1; j < Math.min(i + 5, points.length); j++) {
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const dx = points[j].x - points[i].x;
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const dy = points[j].y - points[i].y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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if (dist < pointSize * 2) {
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fractureLines.push({
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x1: points[i].x,
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y1: points[i].y,
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x2: points[j].x,
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y2: points[j].y,
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opacity: 0.7,
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thickness: 1 + Math.random() * 2
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});
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}
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}
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}
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}
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function updateVoronoi() {
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const motionMultiplier = params.motion * params.pulse.avg;
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const lifespanMultiplier = params.lifespan * 0.8 + 0.2;
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// Update points
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for (let i = 0; i < points.length; i++) {
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const p = points[i];
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// Movement
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p.x += p.vx * motionMultiplier;
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p.y += p.vy * motionMultiplier;
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// Bounce off edges
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if (p.x < 0 || p.x > canvas.width) p.vx *= -1;
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if (p.y < 0 || p.y > canvas.height) p.vy *= -1;
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// Lifespan decay
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p.life -= 0.5 * lifespanMultiplier;
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// Reset if died
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if (p.life <= 0) {
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p.x = Math.random() * canvas.width;
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p.y = Math.random() * canvas.height;
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p.life = Math.random() * 50 + 50;
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}
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}
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// Update fracture lines
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fractureLines.forEach(line => {
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line.opacity = 0.3 + Math.random() * 0.4;
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});
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}
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function drawVoronoi() {
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// Clear with semi-transparent to create trails
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ctx.fillStyle = 'rgba(17, 17, 17, 0.05)';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Draw fracture lines
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fractureLines.forEach(line => {
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ctx.strokeStyle = 'rgba(255, 255, 255, ' + line.opacity + ')';
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ctx.lineWidth = line.thickness;
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ctx.beginPath();
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ctx.moveTo(line.x1, line.y1);
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ctx.lineTo(line.x2, line.y2);
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ctx.stroke();
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});
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// Draw points
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points.forEach(p => {
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ctx.fillStyle = p.color;
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ctx.beginPath();
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ctx.arc(p.x, p.y, p.size * 0.5, 0, Math.PI * 2);
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ctx.fill();
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// Glow effect
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const gradient = ctx.createRadialGradient(
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p.x, p.y, 0,
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p.x, p.y, p.size
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);
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gradient.addColorStop(0, 'rgba(255, 255, 255, 0.3)');
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gradient.addColorStop(1, 'rgba(255, 255, 255, 0)');
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ctx.fillStyle = gradient;
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ctx.beginPath();
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ctx.arc(p.x, p.y, p.size, 0, Math.PI * 2);
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ctx.fill();
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});
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}
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function animate() {
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updateVoronoi();
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drawVoronoi();
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requestAnimationFrame(animate);
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}
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initVoronoi();
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animate();
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</script>
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</body>
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</html> |