From 331787525dd3a756235dc8fa9222d87201755e31 Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Tue, 12 May 2026 17:47:19 +0000
Subject: [PATCH] birth: Voronoi Pulse in Monochrome

---
 index.html | 184 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 184 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..e203a55
--- /dev/null
+++ 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 Cellular Voronoi</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            color: #fff;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        .attribution {
+            position: fixed;
+            bottom: 20px;
+            right: 20px;
+            font-size: 10px;
+            opacity: 0.5;
+            pointer-events: none;
+        }
+    </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');
+
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Configuration parameters
+        const params = {
+            density: 0.5,
+            complexity: 0.5,
+            motion: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulseAvg: 1.25,
+            pulseMin: 1.0,
+            pulseMax: 1.55,
+            dryness: 0.9,
+            curiosity: 0.1
+        };
+
+        // Voronoi cell structure
+        class VoronoiCell {
+            constructor(x, y, size, velocity, persistence) {
+                this.x = x;
+                this.y = y;
+                this.originX = x;
+                this.originY = y;
+                this.size = size;
+                this.velocity = velocity;
+                this.persistence = persistence;
+                this.age = 0;
+                this.maxAge = 100 + Math.random() * 200;
+                this.nodes = [];
+                this.generateNodes();
+            }
+
+            generateNodes() {
+                const nodeCount = 3 + Math.floor(params.complexity * 8);
+                for (let i = 0; i < nodeCount; i++) {
+                    const angle = (i / nodeCount) * Math.PI * 2;
+                    const distance = this.size * 0.3 * (0.7 + Math.random() * 0.6);
+                    this.nodes.push({
+                        x: this.x + Math.cos(angle) * distance,
+                        y: this.y + Math.sin(angle) * distance,
+                        baseX: this.x + Math.cos(angle) * distance,
+                        baseY: this.y + Math.sin(angle) * distance,
+                        size: this.size * (0.3 + Math.random() * 0.4),
+                        persistence: this.persistence * (0.7 + Math.random() * 0.6)
+                    });
+                }
+            }
+
+            update(pulseFactor) {
+                this.age++;
+                const pulseLerp = (Math.sin(Date.now() * params.pulseAvg * 0.001) * 0.5 + 0.5) *
+                                 (params.pulseMax - params.pulseMin) + params.pulseMin;
+
+                this.x = this.originX + (Math.sin(Date.now() * 0.0005 * pulseFactor) * 50);
+                this.y = this.originY + (Math.cos(Date.now() * 0.0003 * pulseFactor) * 30);
+
+                this.nodes.forEach(node => {
+                    node.x = node.baseX + Math.sin(Date.now() * 0.0004 * node.persistence) * 3;
+                    node.y = node.baseY + Math.cos(Date.now() * 0.0002 * node.persistence) * 2;
+                });
+            }
+
+            draw() {
+                ctx.beginPath();
+                const gradient = ctx.createRadialGradient(
+                    this.x, this.y, 0,
+                    this.x, this.y, this.size
+                );
+                const alpha = this.age / this.maxAge;
+                const adjustedAlpha = alpha * (0.7 + params.dryness * 0.3);
+
+                gradient.addColorStop(0, `rgba(255, 255, 255, ${adjustedAlpha})`);
+                gradient.addColorStop(1, `rgba(255, 255, 255, 0)`);
+                ctx.fillStyle = gradient;
+
+                ctx.moveTo(this.nodes[0].x, this.nodes[0].y);
+                for (let i = 1; i <= this.nodes.length; i++) {
+                    const node = this.nodes[i % this.nodes.length];
+                    ctx.lineTo(node.x, node.y);
+                }
+                ctx.closePath();
+                ctx.fill();
+            }
+        }
+
+        // Create voronoi cells with density constraints
+        const cells = [];
+        function initCells() {
+            const count = Math.floor(params.density * 150) + 50;
+            for (let i = 0; i < count; i++) {
+                const size = 10 + Math.random() * 30;
+                const x = Math.random() * canvas.width;
+                const y = Math.random() * canvas.height;
+
+                // Avoid overlapping initial positions
+                let tooClose = false;
+                for (const cell of cells) {
+                    const dist = Math.sqrt((x - cell.x) ** 2 + (y - cell.y) ** 2);
+                    if (dist < (size + cell.size) * 0.5) {
+                        tooClose = true;
+                        break;
+                    }
+                }
+
+                if (!tooClose) {
+                    const velocity = 0.0005 + Math.random() * 0.001;
+                    const persistence = 0.5 + Math.random() * 0.5;
+                    cells.push(new VoronoiCell(x, y, size, velocity, persistence));
+                }
+            }
+        }
+
+        let lastPulse = 0;
+        function animate() {
+            // Clear with slight fade
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Calculate pulse factor for motion variation
+            const pulseNow = Date.now();
+            const pulseFactor = (Math.sin(pulseNow * 0.0002) * 0.5 + 0.5) *
+                               (params.pulseMax - params.pulseMin) + params.pulseMin;
+
+            // Update and draw cells
+            cells.forEach(cell => {
+                cell.update(pulseFactor);
+                cell.draw();
+            });
+
+            // Occasionally add new cells to maintain density
+            if (Math.random() < params.density * 0.01 && cells.length < 200) {
+                initCells();
+            }
+
+            requestAnimationFrame(animate);
+        }
+
+        // Start animation
+        initCells();
+        animate();
+    </script>
+</body>
+</html>
\ No newline at end of file
