birth: Glowing Neural Web
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index.html
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234
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 Live</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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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="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 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 the specifications
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const params = {
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motion: 0.319,
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density: 0.645,
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complexity: 0.451,
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connectedness: 0.612,
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lifespan: 0.318,
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survivingNodes: 16,
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branchCount: 11,
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loops: 52,
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maxDepth: 12,
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thicknessRatio: 1.25,
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fractalDimension: 0.5,
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pulseAvg: 0.41,
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pulseMin: 0.3,
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pulseMax: 1.25
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};
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// Generate graph structure
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class Node {
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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.vx = 0;
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this.vy = 0;
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this.connections = [];
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this.age = 0;
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this.maxAge = 200 + Math.random() * 300;
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this.radius = 1.5 + Math.random() * 0.5;
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this.targetRadius = this.radius;
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}
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connect(node) {
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this.connections.push(node);
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}
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update() {
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this.age++;
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// Pulse-based radius variation
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const pulse = params.pulseAvg + (Math.sin(Date.now() * 0.001) * (params.pulseMax - params.pulseMin) * 0.5);
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this.targetRadius = this.radius * pulse * 0.8 + 0.5;
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// Smooth radius transition
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this.radius += (this.targetRadius - this.radius) * 0.1;
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// Age-based decay
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if (this.age > this.maxAge) {
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this.radius *= 0.98;
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}
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}
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draw(ctx) {
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ctx.beginPath();
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ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2);
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ctx.fillStyle = `hsl(0, 0%, ${70 + this.radius * 5}%)`;
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ctx.fill();
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}
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}
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class NetworkGraph {
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constructor() {
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this.nodes = [];
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this.edges = [];
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this.initGraph();
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}
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initGraph() {
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// Create central nodes
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const centerX = canvas.width / 2;
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const centerY = canvas.height / 2;
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const centerNodes = [];
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for (let i = 0; i < params.survivingNodes; i++) {
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const angle = (i / params.survivingNodes) * Math.PI * 2;
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const distance = 100 + Math.random() * 100;
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const x = centerX + Math.cos(angle) * distance;
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const y = centerY + Math.sin(angle) * distance;
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const node = new Node(x, y);
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this.nodes.push(node);
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centerNodes.push(node);
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}
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// Create hub nodes
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const hubCount = Math.floor(params.density * 30);
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for (let i = 0; i < hubCount; i++) {
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const angle = Math.random() * Math.PI * 2;
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const distance = 200 + Math.random() * 300;
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const x = centerX + Math.cos(angle) * distance;
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const y = centerY + Math.sin(angle) * distance;
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const node = new Node(x, y);
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this.nodes.push(node);
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}
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// Connect nodes
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for (let i = 0; i < this.nodes.length; i++) {
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const node = this.nodes[i];
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const connectionCount = Math.floor(params.connectedness * 3) + 1;
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for (let j = 0; j < connectionCount; j++) {
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const other = this.nodes[Math.floor(Math.random() * this.nodes.length)];
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if (other !== node && !node.connections.includes(other)) {
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node.connect(other);
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const edge = { from: node, to: other };
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this.edges.push(edge);
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other.connect(node); // Bidirectional
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}
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}
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}
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// Create some loops
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for (let i = 0; i < params.loops; i++) {
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const node1 = this.nodes[Math.floor(Math.random() * this.nodes.length)];
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const node2 = this.nodes[Math.floor(Math.random() * this.nodes.length)];
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if (node1 !== node2 && !node1.connections.includes(node2)) {
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node1.connect(node2);
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const edge = { from: node1, to: node2 };
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this.edges.push(edge);
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}
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}
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}
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update() {
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this.nodes.forEach(node => node.update());
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// Occasionally remove old nodes
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if (Math.random() < 0.01) {
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if (this.nodes.length > 10) {
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this.nodes.splice(Math.floor(Math.random() * this.nodes.length), 1);
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}
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}
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// Occasionally add new nodes
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if (Math.random() < params.motion * 0.02) {
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const angle = Math.random() * Math.PI * 2;
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const distance = 500 + Math.random() * 500;
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const x = canvas.width / 2 + Math.cos(angle) * distance;
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const y = canvas.height / 2 + Math.sin(angle) * distance;
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this.nodes.push(new Node(x, y));
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}
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}
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draw(ctx) {
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// Draw connections first
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this.edges.forEach(edge => {
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ctx.beginPath();
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ctx.moveTo(edge.from.x, edge.from.y);
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ctx.lineTo(edge.to.x, edge.to.y);
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const dist = Math.sqrt(
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Math.pow(edge.to.x - edge.from.x, 2) +
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Math.pow(edge.to.y - edge.from.y, 2)
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);
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const alpha = Math.min(0.3, dist / 500);
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ctx.strokeStyle = `rgba(255, 255, 255, ${alpha})`;
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ctx.lineWidth = params.thicknessRatio * 0.5;
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ctx.stroke();
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});
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// Draw nodes last
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this.nodes.forEach(node => node.draw(ctx));
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// Draw some floating orphan nodes
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for (let i = 0; i < 3; i++) {
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ctx.beginPath();
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ctx.arc(
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Math.random() * canvas.width,
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Math.random() * canvas.height,
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1 + Math.random() * 0.5,
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0,
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Math.PI * 2
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);
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ctx.fillStyle = `hsl(0, 0%, ${60 + Math.random() * 20}%)`;
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ctx.fill();
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}
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}
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}
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const graph = new NetworkGraph();
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function animate() {
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// Semi-transparent background for trails
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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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graph.update();
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graph.draw(ctx);
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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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