birth: Voronoi Pulse in Silence

2026-04-27 09:47:15 +00:00 · 2026-04-27 09:47:15 +00:00 · c13bf71509
commit c13bf71509
parent 493b8bcc76
1 changed files with 184 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,184 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba Organism</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #000;
+            height: 100vh;
+            display: flex;
+            flex-direction: column;
+            justify-content: space-between;
+            font-family: monospace;
+            color: #fff;
+            pointer-events: none;
+        }
+        canvas {
+            display: block;
+        }
+        .attribution {
+            text-align: right;
+            padding: 10px;
+            font-size: 10px;
+            opacity: 0.5;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <div class="attribution">neurameba · motd.social</div>
+
+    <script>
+        const canvas = document.getElementById('canvas');
+        const ctx = canvas.getContext('2d');
+
+        // Set canvas to full window size
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Organism parameters
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.12, min: 1.05, max: 1.20 }
+        };
+
+        // Tone parameters
+        const tone = {
+            curiosity: 0.5,
+            dryness: 0.8,
+            playfulness: 0.2
+        };
+
+        // Voronoi state
+        const sites = [];
+        const cells = [];
+        const maxSites = 100;
+        const siteSpeed = 0.5;
+        const siteRadius = 1;
+
+        // Initialize sites
+        function initSites() {
+            sites.length = 0;
+            for (let i = 0; i < maxSites * params.density; i++) {
+                sites.push({
+                    x: Math.random() * canvas.width,
+                    y: Math.random() * canvas.height,
+                    vx: (Math.random() - 0.5) * siteSpeed * params.motion,
+                    vy: (Math.random() - 0.5) * siteSpeed * params.motion,
+                    lifespan: params.lifespan
+                });
+            }
+        }
+        initSites();
+
+        // Voronoi diagram calculation
+        function computeVoronoi() {
+            cells.length = 0;
+
+            for (const site of sites) {
+                const neighbors = [];
+                const radius = siteRadius + (Math.random() * 20 * params.complexity);
+
+                // Find neighbors within connection radius
+                for (const other of sites) {
+                    if (other === site) continue;
+
+                    const dx = other.x - site.x;
+                    const dy = other.y - site.y;
+                    const distance = Math.sqrt(dx * dx + dy * dy);
+
+                    if (distance < radius) {
+                        neighbors.push(other);
+                    }
+                }
+
+                cells.push({
+                    site: site,
+                    neighbors: neighbors,
+                    radius: radius,
+                    age: 0,
+                    maxAge: 100 + Math.random() * 1000 * params.lifespan,
+                    color: getCellColor(site)
+                });
+            }
+        }
+
+        function getCellColor(site) {
+            const hue = 180 + (Math.random() * 60);
+            const saturation = 30 + (Math.random() * 40);
+            const lightness = 40 + (Math.random() * 30);
+
+            // Adjust based on tone parameters
+            const saturate = tone.dryness < 0.5 ? saturation : saturation * (1 - tone.dryness);
+            const light = tone.playfulness > 0.5 ? lightness + 20 : lightness;
+
+            return `hsl(${hue}, ${saturate}%, ${light}%)`;
+        }
+
+        // Update sites
+        function updateSites() {
+            for (const site of sites) {
+                site.x += site.vx;
+                site.y += site.vy;
+
+                // Bounce off edges
+                if (site.x < 0 || site.x > canvas.width) site.vx *= -1;
+                if (site.y < 0 || site.y > canvas.height) site.vy *= -1;
+            }
+        }
+
+        // Draw voronoi cells
+        function drawCells() {
+            for (const cell of cells) {
+                // Draw cell outline
+                ctx.beginPath();
+                ctx.strokeStyle = cell.color;
+                ctx.lineWidth = 1;
+
+                // Draw connections to neighbors
+                for (const neighbor of cell.neighbors) {
+                    ctx.moveTo(cell.site.x, cell.site.y);
+                    ctx.lineTo(neighbor.x, neighbor.y);
+                }
+
+                ctx.stroke();
+
+                // Draw site
+                ctx.beginPath();
+                ctx.arc(cell.site.x, cell.site.y, 2, 0, Math.PI * 2);
+                ctx.fillStyle = cell.color;
+                ctx.fill();
+            }
+        }
+
+        // Animation loop
+        function animate() {
+            // Clear with slightly transparent background for trails
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update and draw
+            computeVoronoi();
+            updateSites();
+            drawCells();
+
+            requestAnimationFrame(animate);
+        }
+
+        // Start animation
+        animate();
+    </script>
+</body>
+</html>