birth: Pulsing Organic Network

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motd_admin 2026-05-15 01:47:18 +00:00
parent 98bdac72ab
commit d80dd83b5b

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index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Organic Network</title>
<style>
body { margin: 0; overflow: hidden; background: #0a0a0a; }
canvas { display: block; }
#info { position: absolute; bottom: 10px; left: 10px; color: #ccc; font-family: monospace; font-size: 10px; }
</style>
</head>
<body>
<canvas id="c"></canvas>
<div id="info">neurameba · motd.social</div>
<script>
const canvas = document.getElementById('c');
const ctx = canvas.getContext('2d');
function resize() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
window.addEventListener('resize', resize);
resize();
// Parameters
const params = {
motion: 0.5,
density: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulse: { avg: 1.11, min: 0.95, max: 1.30 },
tone: { anger: 0, sadness: 0, curiosity: 0.1, dryness: 0.9, playfulness: 0, tension: 0 }
};
// Generate network graph
class Node {
constructor() {
this.x = Math.random() * canvas.width;
this.y = Math.random() * canvas.height;
this.size = 1 + Math.random() * 3;
this.connections = [];
this.lifespan = params.lifespan * 3000 + Math.random() * 2000;
this.age = 0;
this.velocity = {
x: (Math.random() - 0.5) * 0.5 * params.motion,
y: (Math.random() - 0.5) * 0.5 * params.motion
};
}
update() {
this.x += this.velocity.x;
this.y += this.velocity.y;
if (this.x < 0 || this.x > canvas.width) this.velocity.x *= -1;
if (this.y < 0 || this.y > canvas.height) this.velocity.y *= -1;
this.age += 16; // approx frame time
const pulse = params.pulse.avg + Math.sin(Date.now() * 0.001) * (params.pulse.max - params.pulse.min) * 0.5;
this.size = 1 + 2 * params.density * Math.min(1, this.age / this.lifespan) * pulse;
if (this.age > this.lifespan) return false;
return true;
}
connect(node) {
if (node === this) return;
if (this.connections.length >= 5 * params.connectedness) return;
const dist = Math.hypot(this.x - node.x, this.y - node.y);
if (dist > 200 * params.density && Math.random() > params.connectedness) return;
this.connections.push({
node,
strength: Math.random() * params.complexity,
distance: dist
});
}
}
const nodes = [];
const maxNodes = 100 + params.density * 200;
// Initialize nodes
for (let i = 0; i < maxNodes; i++) {
nodes.push(new Node());
}
// Create connections
for (let i = 0; i < nodes.length; i++) {
for (let j = i + 1; j < nodes.length; j++) {
nodes[i].connect(nodes[j]);
}
}
let time = 0;
function animate() {
ctx.fillStyle = '#0a0a0a';
ctx.fillRect(0, 0, canvas.width, canvas.height);
const avgEnergy = params.tone.dryness > 0.5 ? 0.3 : 0.8;
ctx.strokeStyle = `rgba(200, 200, 200, ${avgEnergy * params.motion * 0.8})`;
ctx.lineWidth = 0.5 * params.complexity;
// Update and draw nodes
for (let i = 0; i < nodes.length; i++) {
if (!nodes[i].update()) {
nodes.splice(i, 1);
i--;
continue;
}
// Draw connections
for (const conn of nodes[i].connections) {
const pulse = params.pulse.avg + Math.sin(time * 0.002) * (params.pulse.max - params.pulse.min) * 0.3;
const alpha = params.connectedness * 0.7 * Math.min(1, conn.distance / 150) * pulse;
if (alpha > 0.05) {
ctx.globalAlpha = alpha;
ctx.beginPath();
ctx.moveTo(nodes[i].x, nodes[i].y);
ctx.lineTo(conn.node.x, conn.node.y);
ctx.stroke();
}
}
// Draw node
ctx.globalAlpha = 1;
ctx.beginPath();
ctx.arc(nodes[i].x, nodes[i].y, nodes[i].size, 0, Math.PI * 2);
ctx.fillStyle = `hsl(200, 30%, ${50 + 10 * Math.sin(time * 0.001 + nodes[i].x * 0.01)}%)`;
ctx.fill();
if (params.tone.playfulness > 0) {
ctx.beginPath();
ctx.arc(nodes[i].x, nodes[i].y, nodes[i].size * 1.5, 0, Math.PI * 2);
ctx.strokeStyle = `hsla(200, 70%, 80%, ${0.2 * params.playfulness})`;
ctx.stroke();
}
}
// Add new nodes occasionally
if (Math.random() < 0.01 * params.motion) {
nodes.push(new Node());
}
// Prune old nodes
if (params.lifespan < 0.3 && Math.random() < 0.005) {
if (nodes.length > maxNodes * 0.5) {
nodes.splice(Math.floor(Math.random() * nodes.length), 1);
}
}
time += 16;
requestAnimationFrame(animate);
}
animate();
</script>
</body>
</html>