birth: Fractured Voronoi Currents
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index.html
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211
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>Fractal Voronoi Dreams</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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}
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canvas {
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display: block;
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width: 100vw;
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height: 100vh;
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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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right: 10px;
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color: #4a4a4a;
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font-size: 10px;
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pointer-events: none;
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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 the abstract values
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const params = {
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motion: 0.527,
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density: 0.455,
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complexity: 0.521,
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connectedness: 0.452,
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lifespan: 0.582,
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survivingNodes: 54,
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branchCount: 50,
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loops: 227,
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maxDepth: 13,
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thicknessRatio: 1.5,
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fractalDimension: 1.251,
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finalEnergy: 301.8,
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pulse: { avg: 0.48, min: 0.3, max: 1.75 },
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tone: { anger: 0.0, sadness: 0.0, curiosity: 0.7, dryness: 0.9, playfulness: 0.1, tension: 0.0 }
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};
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// Color palette based on tone
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const colors = {
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bg: '#0a0a0a',
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primary: `hsl(180, ${params.tone.dryness * 20 + 10}%, ${params.tone.curiosity * 10 + 20}%)`,
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secondary: `hsl(120, ${params.tone.dryness * 30 + 5}%, ${params.tone.dryness * 40 + 30}%)`,
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accent: `hsl(300, ${params.tone.playfulness * 50 + 10}%, ${params.tone.playfulness * 20 + 50}%)`
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};
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// Voronoi cell data
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let sites = [];
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let diagram = { cells: [], edges: [] };
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let time = 0;
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function initVoronoi() {
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// Generate sites based on density and complexity
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const siteCount = Math.floor(params.density * 300 + 20);
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for (let i = 0; i < siteCount; i++) {
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sites.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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size: params.complexity * 3 + 1,
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persistence: 0.8 + Math.random() * 0.2
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});
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}
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}
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function updateVoronoi() {
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// Move sites
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sites.forEach(site => {
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site.x += site.vx * params.pulse.avg;
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site.y += site.vy * params.pulse.avg;
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// Boundary check
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if (site.x < 0) {
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site.x = canvas.width;
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site.vx *= -1;
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} else if (site.x > canvas.width) {
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site.x = 0;
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site.vx *= -1;
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}
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if (site.y < 0) {
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site.y = canvas.height;
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site.vy *= -1;
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} else if (site.y > canvas.height) {
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site.y = 0;
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site.vy *= -1;
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}
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});
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// Generate Voronoi diagram (simplified)
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diagram = generateVoronoi(sites);
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// Update complexity by adding/removing edges
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if (Math.random() < params.complexity * 0.01 && diagram.edges.length < 500) {
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diagram.edges.push(createRandomEdge());
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}
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}
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function generateVoronoi(sites) {
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// Simplified Voronoi generation using distance
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const cells = sites.map((site, i) => ({
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site: site,
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edges: [],
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neighbors: [],
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index: i
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}));
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const edges = [];
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// Calculate all possible edges
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for (let i = 0; i < cells.length; i++) {
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for (let j = i + 1; j < cells.length; j++) {
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const dx = cells[j].site.x - cells[i].site.x;
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const dy = cells[j].site.y - cells[i].site.y;
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const distance = Math.sqrt(dx * dx + dy * dy);
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if (distance < 300 * params.complexity) {
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edges.push({
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cell1: i,
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cell2: j,
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distance: distance,
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thickness: params.thicknessRatio * 2 + Math.random() * params.thicknessRatio,
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color: colors.primary
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});
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}
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}
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}
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return { cells, edges };
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}
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function createRandomEdge() {
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const i = Math.floor(Math.random() * sites.length);
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const j = Math.floor(Math.random() * sites.length);
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const dx = sites[j].x - sites[i].x;
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const dy = sites[j].y - sites[i].y;
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const distance = Math.sqrt(dx * dx + dy * dy);
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return {
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cell1: i,
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cell2: j,
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distance: distance,
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thickness: params.thicknessRatio * 2 + Math.random() * params.thicknessRatio,
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color: `hsl(180, 50%, ${params.tone.dryness * 60 + 30}%)`
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};
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}
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function drawVoronoi() {
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// Clear with semi-transparent background for trails
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ctx.fillStyle = 'rgba(10, 10, 10, 0.05)';
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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// Draw edges with fading based on distance
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diagram.edges.forEach(edge => {
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const cell1 = diagram.cells[edge.cell1];
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const cell2 = diagram.cells[edge.cell2];
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// Fade color based on distance and lifespan
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const alpha = 1 - (edge.distance / 300);
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ctx.strokeStyle = edge.color.replace(')', `, ${alpha * params.lifespan})`);
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ctx.lineWidth = edge.thickness * params.complexity;
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ctx.beginPath();
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ctx.moveTo(cell1.site.x, cell1.site.y);
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ctx.lineTo(cell2.site.x, cell2.site.y);
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ctx.stroke();
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});
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// Draw sites as points
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sites.forEach(site => {
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ctx.fillStyle = `rgba(150, 255, 255, ${params.tone.curiosity})`;
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ctx.beginPath();
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ctx.arc(site.x, site.y, params.density * 2, 0, Math.PI * 2);
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ctx.fill();
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});
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}
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function animate() {
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updateVoronoi();
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drawVoronoi();
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time += 0.01;
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requestAnimationFrame(animate);
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}
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initVoronoi();
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animate();
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</script>
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</body>
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</html>
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