birth: Fractal Nodes in Motion
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index.html
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189
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 Construct</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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left: 0;
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right: 0;
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text-align: center;
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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 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
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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: 1.06,
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tone: {
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anger: 0.00,
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sadness: 0.00,
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curiosity: 0.10,
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dryness: 0.90,
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playfulness: 0.00,
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tension: 0.00
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},
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decay: 0.98,
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nodeCount: Math.floor(100 + 200 * params.density),
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maxConnections: Math.floor(3 + 7 * params.connectedness),
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nodeSize: 0.5 + 2.5 * (1 - params.dryness),
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lineWidth: 0.3 + 0.7 * (1 - params.dryness),
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complexityFactor: 0.5 + params.complexity * 0.5
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};
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// Network nodes
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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 < params.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) * params.motion * 2,
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vy: (Math.random() - 0.5) * params.motion * 2,
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size: params.nodeSize * (0.7 + 0.3 * Math.random()),
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life: 1,
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color: `hsl(0, 0%, ${70 + 15 * Math.random()}%)`
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});
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}
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// Create connections
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for (let i = 0; i < nodes.length; i++) {
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const count = Math.floor(params.maxConnections * Math.random());
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for (let j = 0; j < count; j++) {
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const target = Math.floor(Math.random() * nodes.length);
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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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strength: 0.3 + 0.7 * Math.random(),
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distance: 100 + 300 * Math.random()
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});
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}
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}
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}
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// Animation
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let time = 0;
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function animate() {
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// Clear with fade
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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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// Update nodes
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nodes.forEach(node => {
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// Move with damping
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node.vx += (Math.random() - 0.5) * params.motion * 0.1;
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node.vy += (Math.random() - 0.5) * params.motion * 0.1;
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node.vx *= 0.95;
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node.vy *= 0.95;
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node.x += node.vx;
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node.y += node.vy;
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// Boundary check
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if (node.x < 0) {
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node.x = canvas.width;
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node.vx *= -1;
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} else if (node.x > canvas.width) {
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node.x = 0;
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node.vx *= -1;
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}
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if (node.y < 0) {
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node.y = canvas.height;
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node.vy *= -1;
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} else if (node.y > canvas.height) {
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node.y = 0;
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node.vy *= -1;
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}
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// Size pulse
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const pulse = params.pulse + 0.1 * Math.sin(time * 0.1);
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node.size = params.nodeSize * pulse * (0.7 + 0.3 * Math.random());
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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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const dx = toNode.x - fromNode.x;
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const dy = toNode.y - fromNode.y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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// If nodes are too far apart, weaken connection
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if (dist > edge.distance * 1.5) {
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edge.strength *= 0.98;
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} else {
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edge.strength = 0.3 + 0.7 * Math.random();
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}
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// Draw edges (fading based on strength)
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const alpha = edge.strength * 0.8;
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const lineColor = `rgba(200, 200, 200, ${alpha})`;
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ctx.strokeStyle = lineColor;
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ctx.lineWidth = params.lineWidth * edge.strength * 2;
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ctx.beginPath();
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ctx.moveTo(fromNode.x, fromNode.y);
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ctx.lineTo(toNode.x, toNode.y);
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ctx.stroke();
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});
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// Draw nodes
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nodes.forEach(node => {
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ctx.beginPath();
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ctx.arc(node.x, node.y, node.size, 0, Math.PI * 2);
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ctx.fillStyle = node.color;
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ctx.fill();
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// Draw small connection points
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ctx.fillStyle = 'rgba(255, 255, 255, 0.3)';
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ctx.beginPath();
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ctx.arc(node.x, node.y, node.size * 0.3, 0, Math.PI * 2);
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ctx.fill();
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});
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time += 0.01;
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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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