From 191441b8a9c24083e122d21af5686ac38aac4cc2 Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Sat, 8 Aug 2026 18:21:20 +0000
Subject: [PATCH] birth: Sparse Cellular Dreaming

---
 index.html | 167 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 167 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..d000820
--- /dev/null
+++ b/index.html
@@ -0,0 +1,167 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Cellular Nebula</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #attr {
+            position: fixed;
+            bottom: 10px;
+            left: 10px;
+            color: #333;
+            font-size: 10px;
+            opacity: 0.5;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="c"></canvas>
+    <div id="attr">neurameba · motd.social</div>
+    <script>
+        const canvas = document.getElementById('c');
+        const c = canvas.getContext('2d');
+
+        function resize() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resize);
+        resize();
+
+        function lerp(a, b, t) { return a + (b - a) * t; }
+
+        const Motion = 0.5;
+        const Density = 0.5;
+        const Complexity = 0.5;
+        const Connectedness = 0.5;
+        const Lifespan = 0.5;
+        const PulseAvg = 1.09;
+        const PulseMin = 0.95;
+        const PulseMax = 1.25;
+        const Dryness = 0.9;
+
+        function generatePalette() {
+            const baseHue = 0;
+            const saturation = Dryness > 0.7 ? lerp(10, 30, 1 - Dryness) : 60;
+            const lightness = 5 + lerp(5, 15, Lifespan);
+            return `hsl(${baseHue}, ${saturation}%, ${lightness}%)`;
+        }
+
+        const palette = generatePalette();
+
+        class Cell {
+            constructor(x, y, type) {
+                this.x = x;
+                this.y = y;
+                this.type = type;
+                this.nextType = type;
+                this.age = 0;
+                this.energy = 0;
+                this.targetEnergy = 0;
+                this.velocity = { x: 0, y: 0 };
+            }
+
+            update() {
+                this.age++;
+                this.energy = lerp(this.energy, this.targetEnergy, 0.1);
+
+                if (Complexity > 0.3 && Math.random() < 0.05 * Motion) {
+                    this.nextType = (this.type + 1) % 4;
+                }
+
+                const neighbors = this.getNeighbors();
+                if (neighbors.length > 0 && Connectedness > 0.3) {
+                    const avgType = neighbors.reduce((sum, cell) => sum + cell.type, 0) / neighbors.length;
+                    this.nextType = Math.floor(avgType);
+                }
+
+                if (Motion > 0.3) {
+                    this.velocity.x += (Math.random() - 0.5) * Motion * 0.2;
+                    this.velocity.y += (Math.random() - 0.5) * Motion * 0.2;
+                    this.velocity.x *= 0.8;
+                    this.velocity.y *= 0.8;
+                    this.x += this.velocity.x;
+                    this.y += this.velocity.y;
+                }
+
+                if (Density > 0.7 && Math.random() < 0.02) {
+                    this.targetEnergy = this.energy > 0 ? 0 : Math.random() > 0.5 ? 1 : 0;
+                }
+            }
+
+            getNeighbors() {
+                const neighbors = [];
+                const radius = 20 * (1 - Density);
+                for (let i = 0; i < cells.length; i++) {
+                    const dx = cells[i].x - this.x;
+                    const dy = cells[i].y - this.y;
+                    const dist = Math.sqrt(dx * dx + dy * dy);
+                    if (dist < radius && dist > 0) {
+                        neighbors.push(cells[i]);
+                    }
+                }
+                return neighbors;
+            }
+
+            draw() {
+                const size = lerp(1, 5, this.energy);
+                const alpha = lerp(0.5, 1, this.energy);
+                c.fillStyle = `${palette}ee`;
+                c.beginPath();
+                c.arc(this.x, this.y, size, 0, Math.PI * 2);
+                c.fill();
+            }
+        }
+
+        let cells = [];
+
+        function initCells() {
+            cells = [];
+            const count = 200 + Math.floor(Density * 800);
+            for (let i = 0; i < count; i++) {
+                cells.push(new Cell(
+                    Math.random() * canvas.width,
+                    Math.random() * canvas.height,
+                    Math.floor(Math.random() * 4)
+                ));
+            }
+        }
+
+        function updateCells() {
+            for (let i = 0; i < cells.length; i++) {
+                cells[i].update();
+                cells[i].type = cells[i].nextType;
+                cells[i].targetEnergy = Math.random() < 0.01 * PulseAvg ? Math.random() : cells[i].targetEnergy;
+            }
+        }
+
+        function drawCells() {
+            c.fillStyle = '#0a0a0a11';
+            c.fillRect(0, 0, canvas.width, canvas.height);
+
+            for (let i = 0; i < cells.length; i++) {
+                cells[i].draw();
+            }
+        }
+
+        function animate() {
+            updateCells();
+            drawCells();
+            requestAnimationFrame(animate);
+        }
+
+        initCells();
+        animate();
+    </script>
+</body>
+</html>
\ No newline at end of file
