birth: Synthetic growth in glass
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index.html
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237
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 Tessellation</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-color: #000;
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color: #fff;
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font-family: 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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left: 10px;
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font-size: 10px;
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opacity: 0.5;
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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
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const params = {
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motion: 0.496,
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density: 0.523,
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complexity: 0.558,
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connectedness: 0.582,
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lifespan: 0.512,
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survivingNodes: 91,
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branchCount: 88,
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loops: 1609,
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maxDepth: 30,
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thicknessRatio: 1.50,
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fractalDimension: 0.558,
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finalEnergy: 525.2,
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pulse: { avg: 0.45, min: 0.30, max: 2.00 },
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tone: { anger: 0.00, sadness: 0.00, curiosity: 0.70, dryness: 0.90, playfulness: 0.10, tension: 0.00 }
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};
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// State
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const state = {
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cells: [],
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time: 0,
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lastTime: 0,
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cellSize: 20 * (1 - params.density) + 5,
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gridWidth: Math.ceil(window.innerWidth / (20 * (1 - params.density) + 5)),
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gridHeight: Math.ceil(window.innerHeight / (20 * (1 - params.density) + 5))
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};
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// Initialize cells
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function initCells() {
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state.cells = [];
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for (let y = 0; y < state.gridHeight; y++) {
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for (let x = 0; x < state.gridWidth; x++) {
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state.cells.push({
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x: x * state.cellSize,
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y: y * state.cellSize,
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size: state.cellSize * 0.8,
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baseSize: state.cellSize * 0.8,
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angle: 0,
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targetAngle: 0,
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growth: 0,
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targetGrowth: Math.random() * 0.3 + 0.2,
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color: `hsl(180, 30%, ${50 + Math.random() * 20}%)`,
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connections: [],
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energy: params.finalEnergy * Math.random(),
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pulse: params.pulse.avg + (Math.random() * 2 - 1) * 0.2
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});
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}
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}
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}
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// Create connections
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function createConnections() {
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state.cells.forEach(cell => {
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// Connect to nearby cells
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const nearbyCells = state.cells.filter(c =>
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c !== cell &&
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Math.abs(c.x - cell.x) < state.cellSize * 2 &&
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Math.abs(c.y - cell.y) < state.cellSize * 2
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);
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// Create connections based on density and connectedness
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const connectionCount = Math.floor(params.connectedness * 3 * params.density);
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for (let i = 0; i < connectionCount && nearbyCells.length > 0; i++) {
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const target = nearbyCells[Math.floor(Math.random() * nearbyCells.length)];
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if (!cell.connections.includes(target)) {
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cell.connections.push(target);
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// Add reverse connection with lower probability
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if (Math.random() < 0.3) {
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target.connections.push(cell);
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}
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}
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}
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});
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}
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// Update cells
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function updateCells(deltaTime) {
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state.time += deltaTime * 0.001 * params.motion * params.pulse.avg;
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state.cells.forEach(cell => {
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// Update growth
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cell.growth = cell.growth * 0.9 + cell.targetGrowth * 0.1;
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cell.size = cell.baseSize * (0.7 + cell.growth * 0.3);
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// Update angle
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cell.angle = cell.angle * 0.9 + cell.targetAngle * 0.1;
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cell.targetAngle += (Math.random() - 0.5) * params.motion * params.pulse.avg;
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// Pulse effect
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cell.size *= 1 + (Math.sin(state.time * cell.pulse) * 0.05 * params.pulse.avg);
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// Update energy
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cell.energy += params.finalEnergy * 0.001 * params.motion;
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// Connect to other cells based on energy
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if (cell.energy > params.finalEnergy * 0.5) {
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const nearbyCells = state.cells.filter(c =>
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c !== cell &&
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Math.abs(c.x - cell.x) < state.cellSize * 4 &&
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Math.abs(c.y - cell.y) < state.cellSize * 4
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);
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if (nearbyCells.length > 0 && Math.random() < 0.01) {
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const target = nearbyCells[Math.floor(Math.random() * nearbyCells.length)];
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if (!cell.connections.includes(target)) {
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cell.connections.push(target);
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if (Math.random() < 0.3) {
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target.connections.push(cell);
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}
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}
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}
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}
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});
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}
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// Draw cells
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function drawCells() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// Draw connections first (darker)
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ctx.strokeStyle = `rgba(255, 255, 255, ${0.1 * params.tone.dryness})`;
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ctx.lineWidth = state.cellSize * 0.2 * params.thicknessRatio * (0.5 + params.connectedness * 0.5);
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state.cells.forEach(cell => {
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cell.connections.forEach(target => {
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if (cell === target) return;
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const alpha = 0.2 + params.connectedness * 0.8;
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ctx.globalAlpha = alpha;
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ctx.beginPath();
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ctx.moveTo(cell.x + cell.size/2, cell.y + cell.size/2);
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ctx.lineTo(target.x + target.size/2, target.y + target.size/2);
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ctx.stroke();
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});
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});
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// Draw cells
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ctx.globalAlpha = 1;
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state.cells.forEach(cell => {
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// Draw cell
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ctx.fillStyle = cell.color;
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ctx.beginPath();
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ctx.arc(
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cell.x + cell.size/2,
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cell.y + cell.size/2,
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cell.size/2,
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0,
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Math.PI * 2
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);
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ctx.fill();
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// Draw inner circle
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ctx.fillStyle = `hsl(180, 40%, ${60 + Math.sin(state.time * 0.5) * 10}%)`;
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ctx.beginPath();
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ctx.arc(
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cell.x + cell.size/2,
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cell.y + cell.size/2,
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cell.size/4,
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0,
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Math.PI * 2
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);
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ctx.fill();
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// Draw pulse ring
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ctx.strokeStyle = `hsla(180, 100%, 80%, ${0.5 * params.tone.curiosity})`;
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ctx.lineWidth = 2;
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ctx.beginPath();
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ctx.arc(
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cell.x + cell.size/2,
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cell.y + cell.size/2,
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cell.size/2 + Math.sin(state.time * cell.pulse) * 3,
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0,
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Math.PI * 2
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);
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ctx.stroke();
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});
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}
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// Animation loop
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function animate(timestamp) {
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if (!state.lastTime) state.lastTime = timestamp;
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const deltaTime = timestamp - state.lastTime;
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state.lastTime = timestamp;
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updateCells(deltaTime);
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drawCells();
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requestAnimationFrame(animate);
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}
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// Start animation
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initCells();
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createConnections();
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requestAnimationFrame(animate);
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</script>
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</body>
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</html>
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