133 lines
No EOL
4.1 KiB
HTML
133 lines
No EOL
4.1 KiB
HTML
```html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Voronoi Organism</title>
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<style>
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body { margin: 0; overflow: hidden; background: #000; }
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canvas { display: block; }
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#attr { position: absolute; bottom: 10px; right: 10px; color: #444; font-family: monospace; font-size: 12px; }
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</style>
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</head>
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<body>
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<canvas id="c"></canvas>
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<div id="attr">neurameba · motd.social</div>
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<script>
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const canvas = document.getElementById('c');
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const ctx = canvas.getContext('2d');
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function resize() {
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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', resize);
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resize();
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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: 1.05, min: 1.0, max: 1.1 },
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tone: { anger: 0, sadness: 0, curiosity: 0.1, dryness: 0.9, playfulness: 0, tension: 0 }
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};
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const points = [];
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const edges = [];
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const maxPoints = 200;
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const maxEdges = 1000;
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function init() {
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for (let i = 0; i < maxPoints * params.density; 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,
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vy: (Math.random() - 0.5) * params.motion,
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size: 1 + Math.random() * 2,
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life: 0
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});
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}
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}
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function update() {
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// Pulse effect
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const pulse = params.pulse.avg + (Math.random() * 2 - 1) * params.pulse.range;
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params.motion = (pulse + params.pulse.min) / 2;
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// Update points
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points.forEach(p => {
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p.x += p.vx;
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p.y += p.vy;
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// Boundary collision
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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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p.life += 0.01 * (pulse * 0.5 + 0.5);
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});
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// Generate voronoi edges
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edges.length = 0;
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for (let i = 0; i < points.length; i++) {
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for (let j = i + 1; j < points.length && edges.length < maxEdges; j++) {
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const p1 = points[i];
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const p2 = points[j];
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const dx = p2.x - p1.x;
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const dy = p2.y - p1.y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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if (dist < 100 * params.complexity) {
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edges.push({
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p1: i,
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p2: j,
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dist: dist,
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age: 0
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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 draw() {
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// Fade background
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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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// Draw edges
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ctx.strokeStyle = `rgba(255, 255, 255, ${0.2 + params.tone.curiosity * 0.3})`;
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ctx.lineWidth = 0.5 + params.complexity * 1.5;
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edges.forEach(e => {
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const p1 = points[e.p1];
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const p2 = points[e.p2];
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ctx.beginPath();
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ctx.moveTo(p1.x, p1.y);
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ctx.lineTo(p2.x, p2.y);
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ctx.stroke();
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e.age += 0.01;
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});
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// Draw points
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points.forEach(p => {
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const alpha = Math.min(1, p.life * 0.5) * (0.5 + params.tone.dryness * 0.5);
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ctx.fillStyle = `rgba(255, 255, 255, ${alpha})`;
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ctx.beginPath();
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ctx.arc(p.x, p.y, p.size * (0.5 + params.tone.dryness * 0.5), 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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update();
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draw();
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requestAnimationFrame(animate);
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}
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init();
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animate();
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</script>
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</body>
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</html>
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``` |