pulsing-network-web-z4id/index.html

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Neurameba Graph Study</title>
<style>
body {
margin: 0;
overflow: hidden;
background: #0a0a0a;
font-family: 'Courier New', monospace;
}
canvas {
display: block;
}
#attribution {
position: absolute;
bottom: 20px;
left: 20px;
color: #555;
font-size: 12px;
z-index: 100;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<div id="attribution">neurameba · motd.social</div>
<script>
const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
window.addEventListener('resize', resizeCanvas);
resizeCanvas();
// Parameters from description
const params = {
motion: 0.5,
density: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulseAvg: 1.1,
pulseMin: 1.0,
pulseMax: 1.2,
dryness: 0.9,
curiosity: 0.1
};
// Generate graph structure
function generateGraph() {
const nodes = [];
const edges = [];
const nodeCount = Math.floor(100 + 200 * params.density);
const complexityFactor = params.complexity * 0.8 + 0.2;
// Create nodes with varying influence
for (let i = 0; i < nodeCount; i++) {
const angle = (i / nodeCount) * Math.PI * 2;
const distance = 0.3 + 0.7 * params.connectedness;
const x = canvas.width/2 + Math.cos(angle) * distance * canvas.width/3;
const y = canvas.height/2 + Math.sin(angle) * distance * canvas.height/3;
nodes.push({
x, y,
size: 2 + 4 * Math.random() * params.complexity,
speed: 0.1 + 0.5 * params.motion * (0.5 + Math.random()),
angle: angle + (Math.random() - 0.5) * 0.1,
targetSize: 2 + 4 * Math.random() * params.complexity,
connected: []
});
}
// Create edges based on connectedness
const edgeCount = Math.floor(nodeCount * params.connectedness * 2);
for (let i = 0; i < edgeCount; i++) {
const from = Math.floor(Math.random() * nodeCount);
const to = Math.floor(Math.random() * nodeCount);
if (from !== to) {
edges.push({
from, to,
strength: 0.3 + 0.7 * params.connectedness * (0.5 + Math.random()/2),
distance: 0
});
}
}
// Create some hub nodes
const hubCount = Math.floor(5 + 10 * params.complexity * params.connectedness);
for (let i = 0; i < hubCount; i++) {
const angle = (i / hubCount) * Math.PI * 2;
const x = canvas.width/2 + Math.cos(angle) * 0.6 * canvas.width/3;
const y = canvas.height/2 + Math.sin(angle) * 0.6 * canvas.height/3;
nodes.push({
x, y,
size: 6 + 8 * params.complexity,
speed: 0.05 + 0.2 * params.motion,
angle: angle + (Math.random() - 0.5) * 0.1,
targetSize: 6 + 8 * params.complexity,
isHub: true,
connected: []
});
}
return { nodes, edges };
}
let graph = generateGraph();
let time = 0;
const pulse = params.pulseAvg + (Math.random() * 0.2 - 0.1);
function animate() {
// Clear with semi-transparent background for trails
ctx.fillStyle = `rgba(10, 10, 10, ${0.05 + 0.1 * params.lifespan})`;
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Draw nodes
graph.nodes.forEach(node => {
// Update node position
node.x += Math.cos(node.angle) * node.speed * pulse;
node.y += Math.sin(node.angle) * node.speed * pulse;
// Bounce off edges
if (node.x < 0 || node.x > canvas.width) node.angle = Math.PI - node.angle;
if (node.y < 0 || node.y > canvas.height) node.angle = -node.angle;
// Update size smoothly
node.size += (node.targetSize - node.size) * 0.05;
// Draw node
ctx.beginPath();
ctx.arc(node.x, node.y, node.size, 0, Math.PI * 2);
ctx.fillStyle = `hsl(0, 0%, ${80 + 20 * Math.random() * params.dryness}%)`;
ctx.fill();
});
// Draw edges with dynamic width
graph.edges.forEach(edge => {
const node1 = graph.nodes[edge.from];
const node2 = graph.nodes[edge.to];
// Calculate distance and apply strength
edge.distance = Math.sqrt(
Math.pow(node2.x - node1.x, 2) +
Math.pow(node2.y - node1.y, 2)
) * 0.01;
// Draw edge if not too far
if (edge.distance < 0.3 + 0.7 * params.connectedness) {
const width = edge.strength * (0.5 + 0.5 * params.complexity) * 2;
ctx.beginPath();
ctx.moveTo(node1.x, node1.y);
ctx.lineTo(node2.x, node2.y);
ctx.strokeStyle = `rgba(150, 150, 150, ${0.2 + 0.8 * edge.strength})`;
ctx.lineWidth = width;
ctx.stroke();
}
});
// Occasionally regenerate graph
if (Math.random() < 0.002 * params.motion * (1 - params.lifespan)) {
graph = generateGraph();
}
time += 0.01;
requestAnimationFrame(animate);
}
animate();
</script>
</body>
</html>