birth: Fractal Currents in Silence
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index.html
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260
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: Molecular 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-color: #0a0a0a;
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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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left: 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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text-shadow: 0 0 5px rgba(0,0,0,0.5);
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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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// Parameters derived from input
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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: 1.07, min: 1.0, max: 1.1 },
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tone: { curiosity: 0.7, dryness: 0.8, playfulness: 0.2 }
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};
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// Network graph implementation
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class NetworkNode {
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constructor(x, y) {
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this.x = x;
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this.y = y;
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this.baseX = x;
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this.baseY = y;
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this.vx = 0;
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this.vy = 0;
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this.friction = 0.95;
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this.connections = [];
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this.life = 0.5 + Math.random() * 0.5;
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this.maxConnections = 2 + Math.floor(Math.random() * 3);
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this.size = params.dryness > 0.7 ? 1 : 1.5 + Math.random() * 0.5;
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}
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update(pulse) {
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// Simple physics for node movement
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this.vx += (Math.random() - 0.5) * params.motion * pulse;
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this.vy += (Math.random() - 0.5) * params.motion * pulse;
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this.vx *= this.friction;
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this.vy *= this.friction;
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this.x += this.vx;
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this.y += this.vy;
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// Constrain to canvas
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this.x = Math.max(this.size, Math.min(canvas.width - this.size, this.x));
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this.y = Math.max(this.size, Math.min(canvas.height - this.size, this.y));
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this.life += 0.0001;
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}
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draw() {
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// Draw node
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ctx.beginPath();
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ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
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ctx.fillStyle = `rgba(100, 200, 180, ${this.life * 0.7})`;
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ctx.fill();
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// Draw connections
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this.connections.forEach(conn => {
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const lineWidth = 0.3 + conn.strength * 0.7;
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ctx.beginPath();
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ctx.moveTo(this.x, this.y);
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ctx.lineTo(conn.target.x, conn.target.y);
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ctx.strokeStyle = `rgba(100, 200, 180, ${conn.strength * 0.3})`;
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ctx.lineWidth = lineWidth;
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ctx.stroke();
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});
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}
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}
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class NetworkConnection {
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constructor(source, target, strength) {
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this.source = source;
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this.target = target;
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this.strength = strength;
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this.age = 0;
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}
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update() {
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this.age++;
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this.strength *= 0.999; // Fading connections
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}
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}
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const nodes = [];
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const connections = [];
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function initNetwork() {
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const count = 50 + Math.floor(params.density * 100);
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// Create nodes
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for (let i = 0; i < count; i++) {
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nodes.push(new NetworkNode(
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Math.random() * canvas.width,
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Math.random() * canvas.height
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));
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}
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// Create initial connections
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for (let i = 0; i < nodes.length; i++) {
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for (let j = i + 1; j < nodes.length; j++) {
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if (Math.random() < params.connectedness * 0.3) {
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const dist = distance(nodes[i], nodes[j]);
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if (dist < 200) {
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connections.push(new NetworkConnection(
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nodes[i],
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nodes[j],
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1 - (dist / 200)
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));
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if (nodes[i].connections.length < nodes[i].maxConnections) {
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nodes[i].connections.push({
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target: nodes[j],
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strength: 1 - (dist / 200)
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});
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}
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if (nodes[j].connections.length < nodes[j].maxConnections) {
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nodes[j].connections.push({
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target: nodes[i],
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strength: 1 - (dist / 200)
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});
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}
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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 distance(a, b) {
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return Math.sqrt(Math.pow(a.x - b.x, 2) + Math.pow(a.y - b.y, 2));
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}
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function updateNetwork(pulse) {
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// Update nodes
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nodes.forEach(node => node.update(pulse));
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// Update connections
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connections.forEach(conn => conn.update());
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// Add new connections based on proximity
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if (Math.random() < params.connectedness * 0.01) {
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const a = nodes[Math.floor(Math.random() * nodes.length)];
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const b = nodes[Math.floor(Math.random() * nodes.length)];
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if (distance(a, b) < 150 && !connections.some(c => (c.source === a && c.target === b) || (c.source === b && c.target === a))) {
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const strength = 1 - (distance(a, b) / 150);
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connections.push(new NetworkConnection(a, b, strength));
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if (a.connections.length < a.maxConnections) {
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a.connections.push({ target: b, strength });
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}
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if (b.connections.length < b.maxConnections) {
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b.connections.push({ target: a, strength });
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}
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}
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}
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// Prune weak connections
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for (let i = connections.length - 1; i >= 0; i--) {
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if (connections[i].strength < 0.1) {
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connections.splice(i, 1);
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// Remove from nodes' connections
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const aConns = connections[i].source.connections;
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const bConns = connections[i].target.connections;
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connections[i].source.connections = aConns.filter(c => c.target !== connections[i].target);
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connections[i].target.connections = bConns.filter(c => c.target !== connections[i].source);
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}
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}
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// Occasionally add new nodes
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if (Math.random() < 0.005 && nodes.length < 200) {
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const newNode = new NetworkNode(
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canvas.width * 0.5 + (Math.random() - 0.5) * 100,
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canvas.height * 0.5 + (Math.random() - 0.5) * 100
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);
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nodes.push(newNode);
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// Connect to nearby nodes
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nodes.forEach(node => {
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if (node !== newNode && distance(node, newNode) < 150) {
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const strength = 1 - (distance(node, newNode) / 150);
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connections.push(new NetworkConnection(newNode, node, strength));
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if (newNode.connections.length < newNode.maxConnections) {
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newNode.connections.push({ target: node, strength });
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}
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if (node.connections.length < node.maxConnections) {
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node.connections.push({ target: newNode, strength });
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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 drawNetwork() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// Draw connections first (behind nodes)
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connections.forEach(conn => {
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ctx.beginPath();
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ctx.moveTo(conn.source.x, conn.source.y);
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ctx.lineTo(conn.target.x, conn.target.y);
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ctx.strokeStyle = `rgba(100, 200, 180, ${conn.strength * 0.2 * params.tone.dryness})`;
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ctx.lineWidth = 0.3 + conn.strength * 0.7;
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ctx.stroke();
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});
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// Draw nodes (on top)
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nodes.forEach(node => node.draw());
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}
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let time = 0;
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function animate() {
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const pulse = params.pulse.min + (params.pulse.max - params.pulse.min) * 0.5 * (1 + Math.sin(time * 0.001));
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updateNetwork(pulse);
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drawNetwork();
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time += 16; // ~60fps
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requestAnimationFrame(animate);
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}
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initNetwork();
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animate();
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</script>
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</body>
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</html>
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