birth: Pulsing Network Constellations
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index.html
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280
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 Motd</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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color: #ccc;
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}
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#info {
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position: absolute;
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bottom: 10px;
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right: 10px;
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font-size: 10px;
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opacity: 0.6;
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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="info">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 input
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const params = {
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motion: 0.643,
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density: 0.701,
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complexity: 0.649,
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connectedness: 0.533,
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lifespan: 0.750,
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survivingNodes: 6,
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branchCount: 6,
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loops: 20,
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maxDepth: 6,
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thicknessRatio: 1.00,
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fractalDimension: 0.500,
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pulseAvg: 0.35,
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pulseMin: 0.30,
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pulseMax: 1.20,
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dryness: 0.80,
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curiosity: 0.30,
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finalEnergy: 41.6
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};
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// Network Graph implementation
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class NetworkNode {
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constructor(x, y, index) {
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this.x = x;
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this.y = y;
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this.origX = x;
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this.origY = y;
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this.velX = 0;
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this.velY = 0;
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this.index = index;
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this.links = [];
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this.radius = 1 + Math.random() * 2;
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this.energy = Math.random() * 0.5 + 0.5;
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this.evolution = Math.random();
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this.pulseTimer = 0;
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this.pulseSpeed = 0.05 + Math.random() * 0.1;
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this.pulseSize = this.radius;
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this.targetPulse = 1 + Math.random() * 2;
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}
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addLink(node) {
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if (!this.links.includes(node) && node !== this) {
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this.links.push(node);
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node.links.push(this);
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}
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}
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update(loopIndex) {
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// Gentle oscillation
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this.pulseTimer += this.pulseSpeed;
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this.pulseSize = this.radius * (1 + 0.3 * Math.sin(this.pulseTimer));
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// Subtle movement based on network energy
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this.velX += (Math.random() - 0.5) * params.motion * 0.1;
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this.velY += (Math.random() - 0.5) * params.motion * 0.1;
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this.velX *= 0.9;
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this.velY *= 0.9;
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this.x += this.velX;
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this.y += this.velY;
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// Add some inertia toward original position
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this.x += (this.origX - this.x) * 0.001;
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this.y += (this.origY - this.y) * 0.001;
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}
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draw(ctx) {
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// Draw link shadows first
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ctx.beginPath();
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ctx.strokeStyle = `rgba(255,255,255,${0.05 * params.dryness})`;
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ctx.lineWidth = this.radius * 0.2;
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ctx.lineCap = 'round';
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for (const link of this.links) {
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const dist = Math.hypot(this.x - link.x, this.y - link.y);
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if (dist < 200) {
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ctx.moveTo(this.x, this.y);
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ctx.lineTo(link.x, link.y);
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}
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}
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ctx.stroke();
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// Draw node
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ctx.beginPath();
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const hue = 180 + (this.index * 360 / params.survivingNodes * 0.3);
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const saturation = 30 + this.energy * 70;
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const value = 80 + this.energy * 20;
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ctx.fillStyle = `hsl(${hue}, ${saturation * params.dryness}%, ${value}%)`;
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ctx.arc(this.x, this.y, this.pulseSize, 0, Math.PI * 2);
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ctx.fill();
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ctx.beginPath();
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ctx.strokeStyle = `hsl(${hue}, ${saturation * params.dryness}%, 90%)`;
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ctx.lineWidth = 1;
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ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2);
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ctx.stroke();
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}
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}
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class NetworkGraph {
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constructor() {
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this.nodes = [];
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this.createdNodes = 0;
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this.maxNodes = params.survivingNodes * 2;
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this.establishConnections();
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}
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establishConnections() {
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// Create initial nodes
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const centerX = canvas.width / 2;
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const centerY = canvas.height / 2;
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const radius = Math.min(canvas.width, canvas.height) * 0.3;
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for (let i = 0; i < params.survivingNodes; i++) {
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const angle = (i / params.survivingNodes) * Math.PI * 2;
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const x = centerX + Math.cos(angle) * radius;
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const y = centerY + Math.sin(angle) * radius;
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this.nodes.push(new NetworkNode(x, y, i));
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this.createdNodes++;
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}
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// Create additional nodes based on density
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const additionalNodes = Math.floor(params.density * 10);
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for (let i = 0; i < additionalNodes && this.createdNodes < this.maxNodes; i++) {
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const angle = Math.random() * Math.PI * 2;
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const dist = Math.random() * radius * 0.8 + radius * 0.2;
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const x = centerX + Math.cos(angle) * dist;
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const y = centerY + Math.sin(angle) * dist;
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this.nodes.push(new NetworkNode(x, y, this.createdNodes));
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this.createdNodes++;
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}
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// Connect nodes based on connectedness and complexity
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const targetConnections = Math.floor(params.connectedness * params.survivingNodes * 2);
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for (let i = 0; i < this.nodes.length; i++) {
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const node = this.nodes[i];
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const connections = Math.floor(Math.random() * targetConnections * params.complexity) + 1;
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for (let j = 0; j < connections; j++) {
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if (this.nodes.length > 1) {
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const other = this.nodes[Math.floor(Math.random() * this.nodes.length)];
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node.addLink(other);
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}
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}
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}
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// Ensure at least some loops exist
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for (let i = 0; i < params.loops; i++) {
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if (this.nodes.length >= 3) {
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const a = Math.floor(Math.random() * this.nodes.length);
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const b = Math.floor(Math.random() * this.nodes.length);
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const c = Math.floor(Math.random() * this.nodes.length);
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this.nodes[a].addLink(this.nodes[b]);
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this.nodes[b].addLink(this.nodes[c]);
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this.nodes[c].addLink(this.nodes[a]);
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}
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}
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// Remove isolated nodes
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this.nodes = this.nodes.filter(node => node.links.length > 0);
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}
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update() {
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this.nodes.forEach(node => node.update());
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}
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draw() {
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// Draw links that are behind nodes first
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ctx.beginPath();
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ctx.strokeStyle = `rgba(255,255,255,${0.1 * params.dryness})`;
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ctx.lineWidth = 1;
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ctx.lineCap = 'round';
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for (const node of this.nodes) {
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for (const link of node.links) {
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const dist = Math.hypot(node.x - link.x, node.y - link.y);
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if (dist < 250) {
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ctx.moveTo(node.x, node.y);
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ctx.lineTo(link.x, link.y);
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}
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}
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}
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ctx.stroke();
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// Draw nodes
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this.nodes.forEach(node => node.draw(ctx));
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// Draw links on top with glow
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ctx.beginPath();
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ctx.strokeStyle = `rgba(255,255,255,${0.15 * params.dryness})`;
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ctx.shadowBlur = 5;
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ctx.shadowColor = 'white';
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for (const node of this.nodes) {
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for (const link of node.links) {
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const dist = Math.hypot(node.x - link.x, node.y - link.y);
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if (dist < 250) {
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ctx.moveTo(node.x, node.y);
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ctx.lineTo(link.x, link.y);
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}
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}
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}
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ctx.stroke();
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ctx.shadowBlur = 0;
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}
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}
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let network = new NetworkGraph();
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let frameCount = 0;
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function animate() {
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frameCount++;
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// Add new nodes occasionally based on density and complexity
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if (frameCount % 100 === 0 && network.createdNodes < network.maxNodes && Math.random() < params.density * params.complexity) {
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const centerX = canvas.width / 2;
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const centerY = canvas.height / 2;
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const radius = Math.min(canvas.width, canvas.height) * 0.3;
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const angle = Math.random() * Math.PI * 2;
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const dist = Math.random() * radius * 0.8 + radius * 0.2;
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const x = centerX + Math.cos(angle) * dist;
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const y = centerY + Math.sin(angle) * dist;
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network.nodes.push(new NetworkNode(x, y, network.createdNodes));
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network.createdNodes++;
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}
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network.update();
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network.draw();
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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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