birth: Teal Pulse Through Networks
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index.html
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184
index.html
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<!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>Neurameba Network</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: #0a0a1a;
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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: 10px;
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right: 10px;
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color: #555;
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font-size: 10px;
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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="c"></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('c');
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const c = 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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// Parameters derived from input
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const motion = 0.547;
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const density = 0.241;
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const complexity = 0.828;
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const connectedness = 0.866;
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const lifespan = 0.707;
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const pulse = { avg: 0.37, min: 0.30, max: 1.25 };
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const tone = { anger: 0.00, sadness: 0.00, curiosity: 0.30, dryness: 0.90, playfulness: 0.00, tension: 0.00 };
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// Node and edge parameters
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const nodeCount = Math.max(3, Math.floor(100 * density));
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const edgesPerNode = Math.max(1, Math.floor(connectedness * 3));
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const maxAge = 1000 * lifespan;
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const thickness = 1 + pulse.avg * 2;
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const hue = 180 + tone.curiosity * 60; // Teal range
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// Network graph data
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const nodes = [];
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const edges = [];
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// Initialize nodes
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for (let i = 0; i < nodeCount; 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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vx: (Math.random() - 0.5) * motion * 2,
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vy: (Math.random() - 0.5) * motion * 2,
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radius: 2 + Math.random() * 3,
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age: 0,
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maxAge: maxAge * (0.5 + Math.random() * 0.5),
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color: `hsl(${hue}, 30%, ${10 + Math.random() * 20}%)`
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});
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}
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// Initialize edges
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for (let i = 0; i < nodeCount; i++) {
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for (let j = 0; j < edgesPerNode; j++) {
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const target = Math.floor(Math.random() * nodeCount);
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if (target !== i) {
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edges.push({
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from: i,
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to: target,
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age: 0,
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maxAge: maxAge * (0.7 + Math.random() * 0.3),
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strength: 0.5 + Math.random() * 0.5
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});
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}
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}
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}
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// Main animation loop
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let time = 0;
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function animate() {
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// Clear with semi-transparent to create trails
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c.fillStyle = 'rgba(0, 0, 0, 0.05)';
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c.fillRect(0, 0, canvas.width, canvas.height);
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time += 0.01;
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// Update nodes
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nodes.forEach(node => {
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// Move with inertia
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node.x += node.vx;
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node.y += node.vy;
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// Bounce at edges
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if (node.x < 0 || node.x > canvas.width) node.vx *= -1;
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if (node.y < 0 || node.y > canvas.height) node.vy *= -1;
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// Age
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node.age += 1;
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// Draw
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const pulseScale = 1 + Math.sin(time * pulse.avg) * pulse.max * 0.3;
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c.beginPath();
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c.arc(node.x, node.y, node.radius * pulseScale, 0, Math.PI * 2);
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c.fillStyle = node.color;
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c.fill();
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});
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// Update edges
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edges.forEach(edge => {
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const fromNode = nodes[edge.from];
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const toNode = nodes[edge.to];
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if (fromNode.age > fromNode.maxAge || toNode.age > toNode.maxAge) {
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edge.age = edge.maxAge; // Mark for removal
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}
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edge.age += 0.5;
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// Draw edges with aging effect
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const ageRatio = edge.age / edge.maxAge;
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const opacity = 1 - Math.min(ageRatio, 0.8);
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const width = thickness * (0.5 + edge.strength) * opacity;
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c.beginPath();
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c.moveTo(fromNode.x, fromNode.y);
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c.lineTo(toNode.x, toNode.y);
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c.strokeStyle = `hsla(${hue}, 30%, 60%, ${opacity})`;
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c.lineWidth = width;
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c.stroke();
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// Draw nodes again to keep them on top
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c.beginPath();
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c.arc(fromNode.x, fromNode.y, fromNode.radius, 0, Math.PI * 2);
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c.fillStyle = fromNode.color;
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c.fill();
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c.beginPath();
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c.arc(toNode.x, toNode.y, toNode.radius, 0, Math.PI * 2);
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c.fillStyle = toNode.color;
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c.fill();
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});
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// Remove old edges
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for (let i = edges.length - 1; i >= 0; i--) {
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if (edges[i].age >= edges[i].maxAge) {
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edges.splice(i, 1);
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}
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}
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// Occasionally add new edges to maintain complexity
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if (Math.random() < 0.01 && edges.length < nodeCount * 3) {
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const from = Math.floor(Math.random() * nodeCount);
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const to = Math.floor(Math.random() * nodeCount);
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if (from !== to) {
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edges.push({
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from,
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to,
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age: 0,
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maxAge: maxAge * (0.7 + Math.random() * 0.3),
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strength: 0.5 + Math.random() * 0.5
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});
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}
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}
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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>
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