birth: flickering neural fabric
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172
index.html
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172
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>neural meander</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: #333;
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font-size: 10px;
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font-family: 'Courier New', monospace;
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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 derived from the brief
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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: 1.1, min: 1.0, max: 1.3 },
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tone: { anger: 0, sadness: 0, curiosity: 0.1, dryness: 0.8, playfulness: 0.1, tension: 0 }
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};
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// Network graph parameters
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const nodeCount = Math.floor(100 + params.density * 300);
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const baseLinkCount = Math.floor(nodeCount * params.connectedness * 3);
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const maxLinkLength = 300;
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const nodeSize = 2 + (1 - params.dryness) * 3;
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const linkWidth = 0.5 + (1 - params.dryness) * 1.5;
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const linkAlpha = 0.3 + (1 - params.dryness) * 0.4;
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const pulseSpeed = 0.05 + params.motion * 0.05;
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const pulseVariation = params.pulse.avg + (Math.random() * (params.pulse.max - params.pulse.min) - (params.pulse.max - params.pulse.min)/2);
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// Node properties
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const nodes = Array.from({ length: nodeCount }, () => ({
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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) * 2,
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vy: (Math.random() - 0.5) * 2,
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energy: Math.random(),
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pulse: 1,
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size: nodeSize
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}));
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// Links
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const links = [];
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for (let i = 0; i < baseLinkCount; i++) {
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const a = Math.floor(Math.random() * nodeCount);
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const b = Math.floor(Math.random() * nodeCount);
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if (a !== b) {
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links.push({
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source: a,
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target: b,
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distance: Math.random() * maxLinkLength,
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strength: 0.1 + Math.random() * 0.9
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});
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}
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}
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// Palette based on tone
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const palette = {
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r: Math.floor(255 * (1 - params.tone.dryness)),
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g: Math.floor(255 * (1 - params.tone.dryness)),
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b: Math.floor(255 * (1 - params.tone.dryness))
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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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ctx.fillStyle = `rgba(10, 10, 10, ${0.1 + params.tone.dryness * 0.2})`;
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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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node.x += node.vx * (0.5 + params.motion * 0.5);
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node.y += node.vy * (0.5 + params.motion * 0.5);
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// Boundary collision
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if (node.x < 0) {
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node.x = canvas.width;
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node.vx = Math.abs(node.vx);
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} else if (node.x > canvas.width) {
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node.x = 0;
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node.vx = -Math.abs(node.vx);
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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 = Math.abs(node.vy);
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} else if (node.y > canvas.height) {
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node.y = 0;
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node.vy = -Math.abs(node.vy);
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}
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// Pulse effect
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node.pulse = 1 + Math.sin(time * pulseSpeed) * 0.1 * pulseVariation;
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});
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// Update links
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links.forEach(link => {
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const source = nodes[link.source];
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const target = nodes[link.target];
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const dx = target.x - source.x;
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const dy = target.y - source.y;
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const distance = Math.sqrt(dx * dx + dy * dy);
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if (distance > link.distance) {
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// Apply repulsion force
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const angle = Math.atan2(dy, dx);
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source.vx -= Math.cos(angle) * link.strength * 0.01;
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source.vy -= Math.sin(angle) * link.strength * 0.01;
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target.vx += Math.cos(angle) * link.strength * 0.01;
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target.vy += Math.sin(angle) * link.strength * 0.01;
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}
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});
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// Draw links
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ctx.strokeStyle = `rgba(${palette.r}, ${palette.g}, ${palette.b}, ${linkAlpha})`;
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ctx.lineWidth = linkWidth;
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links.forEach(link => {
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const source = nodes[link.source];
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const target = nodes[link.target];
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ctx.beginPath();
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ctx.moveTo(source.x, source.y);
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ctx.lineTo(target.x, target.y);
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ctx.stroke();
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});
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// Draw nodes
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nodes.forEach(node => {
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ctx.beginPath();
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ctx.arc(node.x, node.y, node.size * node.pulse, 0, Math.PI * 2);
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ctx.fillStyle = `rgba(${palette.r}, ${palette.g}, ${palette.b}, ${0.6 + 0.4 * node.energy})`;
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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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