birth: Pulsing Network Tides
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index.html
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205
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 Pulse</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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color: #fff;
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font-family: 'Courier New', monospace;
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display: flex;
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flex-direction: column;
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height: 100vh;
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}
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canvas {
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flex: 1;
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}
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.attribution {
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padding: 10px;
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text-align: right;
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font-size: 10px;
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opacity: 0.5;
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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 class="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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// Set canvas to full window size
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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: 0.3, dryness: 0.8 },
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color: { curiosity: '#40e0d0', dryness: '#cccccc' }
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};
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// Network graph state
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let nodes = [];
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let edges = [];
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let nodeCount = Math.floor(50 + 150 * params.density);
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let edgeCount = Math.floor(100 + 300 * params.connectedness);
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let pulseProgress = 0;
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let pulseDirection = 1;
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// Initialize network
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function initNetwork() {
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nodes = [];
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edges = [];
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// Create 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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size: 2 + 3 * Math.random(),
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color: params.tone.dryness > 0.7 ? params.color.dryness : params.color.curiosity,
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targetX: 0,
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targetY: 0,
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energy: 0,
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maxEnergy: 50 + 50 * params.complexity
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});
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}
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// Create edges
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for (let i = 0; i < edgeCount; i++) {
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const a = Math.floor(Math.random() * nodes.length);
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const b = Math.floor(Math.random() * nodes.length);
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if (a !== b && !edges.some(e => (e.a === a && e.b === b) || (e.a === b && e.b === a))) {
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edges.push({
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a: a,
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b: b,
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strength: 0.3 + 0.7 * Math.random(),
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width: 0.5 + 1.5 * Math.random()
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});
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}
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}
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}
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// Update network dynamics
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function updateNetwork() {
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pulseProgress += 0.01 * pulseDirection;
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if (pulseProgress > 1 || pulseProgress < 0) pulseDirection *= -1;
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// Pulse effect
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const pulseScale = params.pulse.min + (params.pulse.max - params.pulse.min) *
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(params.pulse.avg + Math.sin(Date.now() * 0.001 * params.motion) * 0.1);
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// Update node positions with some jitter
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nodes.forEach(node => {
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node.x += (node.targetX - node.x) * 0.02 * params.motion;
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node.y += (node.targetY - node.y) * 0.02 * params.motion;
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// Add slight random movement
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node.x += (Math.random() - 0.5) * 0.2 * params.motion;
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node.y += (Math.random() - 0.5) * 0.2 * params.motion;
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// Boundary check
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node.x = Math.max(0, Math.min(canvas.width, node.x));
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node.y = Math.max(0, Math.min(canvas.height, node.y));
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});
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// Update edges based on node energy
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edges.forEach(edge => {
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const a = nodes[edge.a];
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const b = nodes[edge.b];
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const dx = b.x - a.x;
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const dy = b.y - a.y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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if (dist > 0) {
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const force = edge.strength * 0.01 * pulseScale;
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a.targetX += dx * force;
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a.targetY += dy * force;
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b.targetX -= dx * force;
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b.targetY -= dy * force;
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// Energy exchange
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if (a.energy > 0 && b.energy < b.maxEnergy) {
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const transfer = Math.min(a.energy, 0.1);
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a.energy -= transfer;
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b.energy += transfer;
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}
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if (b.energy > 0 && a.energy < a.maxEnergy) {
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const transfer = Math.min(b.energy, 0.1);
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b.energy -= transfer;
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a.energy += transfer;
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}
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}
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});
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// Gradually decay energy
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nodes.forEach(node => {
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node.energy *= 0.995 + 0.005 * params.lifespan;
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});
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}
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// Draw network
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function drawNetwork() {
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// Clear with slightly transparent background for trails
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ctx.fillStyle = 'rgba(10, 10, 10, 0.2)';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Draw edges
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edges.forEach(edge => {
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const a = nodes[edge.a];
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const b = nodes[edge.b];
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const alpha = 0.3 + 0.7 * (edge.strength) * (a.energy + b.energy) / (a.maxEnergy + b.maxEnergy);
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const hue = params.tone.dryness > 0.7 ? 0 : 180; // dryness=monochrome, curiosity=teals
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ctx.strokeStyle = `hsla(${hue}, ${params.tone.dryness > 0.7 ? 0 : 50}%, ${params.tone.dryness > 0.7 ? 70 : 70}%, ${alpha})`;
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ctx.lineWidth = edge.width * (0.5 + 0.5 * pulseProgress);
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ctx.beginPath();
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ctx.moveTo(a.x, a.y);
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ctx.lineTo(b.x, b.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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const alpha = Math.min(1, node.energy / node.maxEnergy * 2);
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const size = node.size * (0.8 + 0.2 * Math.sin(Date.now() * 0.001 * params.motion));
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ctx.fillStyle = node.color + Math.floor(alpha * 255).toString(16).padStart(2, '0') + ')';
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ctx.beginPath();
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ctx.arc(node.x, node.y, size, 0, Math.PI * 2);
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ctx.fill();
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});
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}
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// Animation loop
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function animate() {
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updateNetwork();
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drawNetwork();
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requestAnimationFrame(animate);
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}
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// Start with initial network
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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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