birth: Voronoi Pulse Fields
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index.html
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204
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>Voronoi Organism</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: #0a0a1a;
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color: #fff;
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font-family: 'Courier New', monospace;
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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 derived from organelle
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const params = {
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motion: 0.755,
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density: 0.712,
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complexity: 0.580,
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connectedness: 0.397,
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lifespan: 0.658,
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pulse: { avg: 0.34, min: 0.30, max: 1.20 },
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tone: { anger: 0.00, sadness: 0.00, curiosity: 0.80, dryness: 0.90, playfulness: 0.00, tension: 0.00 },
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topology: {
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nodes: 9,
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branches: 9,
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loops: 69,
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maxDepth: 6,
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thicknessRatio: 1.25,
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fractalDim: 0.500,
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finalEnergy: 59.7
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}
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};
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// Voronoi implementation with dynamic centers
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class VoronoiOrganism {
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constructor() {
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this.centers = [];
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this.cells = [];
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this.time = 0;
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this.initCenters();
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}
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initCenters() {
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const count = Math.floor(50 + 300 * params.density);
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for (let i = 0; i < count; i++) {
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this.centers.push({
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x: Math.random() * canvas.width,
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y: Math.random() * canvas.height,
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vx: (Math.random() - 0.5) * params.motion * 2,
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vy: (Math.random() - 0.5) * params.motion * 2,
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pulse: params.pulse.avg,
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color: `hsl(${210 + Math.random() * 30}, ${70 + Math.random() * 20}%, ${60 + Math.random() * 10}%)`
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});
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}
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}
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update() {
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this.time += 0.01 * params.motion;
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// Update centers with pulse-based movement
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this.centers.forEach(center => {
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// Add some periodic movement
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const pulseFactor = params.pulse.avg +
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(Math.sin(this.time * 1.5) * (params.pulse.max - params.pulse.min) * 0.5);
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center.x += center.vx * pulseFactor;
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center.y += center.vy * pulseFactor;
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// Wrap around edges
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if (center.x < 0) center.x = canvas.width;
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if (center.x > canvas.width) center.x = 0;
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if (center.y < 0) center.y = canvas.height;
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if (center.y > canvas.height) center.y = 0;
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});
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// Clear cells and regenerate with current centers
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this.cells = this.generateVoronoi();
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}
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generateVoronoi() {
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const cells = [];
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// For each pixel, find nearest center
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for (let y = 0; y < canvas.height; y += 1) {
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for (let x = 0; x < canvas.width; x += 1) {
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let minDist = Infinity;
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let nearest = null;
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for (const center of this.centers) {
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const dx = x - center.x;
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const dy = y - center.y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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if (dist < minDist) {
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minDist = dist;
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nearest = center;
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}
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}
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if (nearest) {
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cells.push({
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x, y,
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color: nearest.color,
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distance: minDist
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});
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}
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}
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}
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return cells;
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}
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draw() {
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// Draw background with subtle noise
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ctx.fillStyle = '#0a0a1a';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Draw voronoi cells with varying thickness
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this.cells.forEach(cell => {
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const alpha = 0.3 + 0.7 * (1 - Math.min(1, cell.distance / 200));
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const size = 1 + params.topology.thicknessRatio * (Math.sin(cell.distance * 0.01 + this.time) * 0.5 + 0.5);
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ctx.fillStyle = cell.color;
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ctx.globalAlpha = alpha * 0.7;
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ctx.beginPath();
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ctx.arc(cell.x, cell.y, size, 0, Math.PI * 2);
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ctx.fill();
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});
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// Draw center points with pulse effect
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this.centers.forEach(center => {
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const pulse = params.pulse.avg + Math.sin(this.time * 2) * (params.pulse.max - params.pulse.min) * 0.3;
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const size = 3 * pulse;
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ctx.fillStyle = '#ffffff';
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ctx.globalAlpha = 0.8;
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ctx.beginPath();
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ctx.arc(center.x, center.y, size, 0, Math.PI * 2);
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ctx.fill();
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});
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// Draw connecting lines based on connectedness
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if (params.connectedness > 0.3) {
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ctx.strokeStyle = 'rgba(255, 255, 255, 0.1)';
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ctx.lineWidth = 0.5 * params.topology.thicknessRatio;
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// Connect centers based on proximity (simulating network)
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for (let i = 0; i < this.centers.length; i++) {
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for (let j = i + 1; j < this.centers.length; j++) {
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const dx = this.centers[j].x - this.centers[i].x;
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const dy = this.centers[j].y - this.centers[i].y;
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const dist = Math.sqrt(dx * dx + dy * dy);
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if (dist < 100 * params.connectedness) {
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ctx.beginPath();
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ctx.moveTo(this.centers[i].x, this.centers[i].y);
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ctx.lineTo(this.centers[j].x, this.centers[j].y);
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ctx.stroke();
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}
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}
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}
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}
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ctx.globalAlpha = 1.0;
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}
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}
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// Create and animate the organism
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const organism = new VoronoiOrganism();
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function animate() {
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organism.update();
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organism.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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