From c2954f4619b5ce4f040c5ef1333d4742552ec67a Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Sun, 20 Sep 2026 22:21:22 +0000
Subject: [PATCH] birth: Monochrome Cellular Excavations

---
 index.html | 162 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..3a01508
--- /dev/null
+++ b/index.html
@@ -0,0 +1,162 @@
+```html
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba · motd.social</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: absolute;
+            bottom: 10px;
+            right: 10px;
+            color: #333;
+            font-size: 10px;
+            text-shadow: 0 0 5px rgba(255,255,255,0.1);
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <div id="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();
+
+        // Reaction-diffusion parameters tuned for dryness/monochrome
+        const params = {
+            diffusionRateA: 1.0,
+            diffusionRateB: 0.5,
+            feedRate: 0.055,
+            killRate: 0.062,
+            timeStep: 1.0,
+            gridWidth: 80,
+            gridHeight: 45,
+            cellSize: 8,
+            decay: 0.99,
+            palette: ['#111', '#222', '#333', '#444', '#555'],
+            motion: 0.5,
+            density: 0.5,
+            paletteIndex: 0
+        };
+
+        // Initialize grids
+        let grid = new Array(params.gridHeight);
+        let nextGrid = new Array(params.gridHeight);
+        for (let i = 0; i < params.gridHeight; i++) {
+            grid[i] = new Array(params.gridWidth).fill(0);
+            nextGrid[i] = new Array(params.gridWidth).fill(0);
+        }
+
+        // Initialize with sparse random patterns
+        function initGrid() {
+            for (let y = 0; y < params.gridHeight; y++) {
+                for (let x = 0; x < params.gridWidth; x++) {
+                    grid[y][x] = Math.random() > 0.95 ? 1 : 0;
+                }
+            }
+        }
+
+        // React-diffuse step
+        function reactDiffuse() {
+            for (let y = 0; y < params.gridHeight; y++) {
+                for (let x = 0; x < params.gridWidth; x++) {
+                    const a = grid[y][x];
+                    const b = grid[y][(x + 1) % params.gridWidth] +
+                              grid[y][(x - 1 + params.gridWidth) % params.gridWidth] +
+                              grid[(y + 1) % params.gridHeight][x] +
+                              grid[(y - 1 + params.gridHeight) % params.gridHeight][x];
+
+                    const laplacianA = (grid[(y + 1) % params.gridHeight][x] +
+                                       grid[(y - 1 + params.gridHeight) % params.gridHeight][x] +
+                                       grid[y][(x + 1) % params.gridWidth] +
+                                       grid[y][(x - 1 + params.gridWidth) % params.gridWidth] -
+                                       4 * a) / 4;
+
+                    const laplacianB = (nextGrid[(y + 1) % params.gridHeight][x] +
+                                       nextGrid[(y - 1 + params.gridHeight) % params.gridHeight][x] +
+                                       nextGrid[y][(x + 1) % params.gridWidth] +
+                                       nextGrid[y][(x - 1 + params.gridWidth) % params.gridWidth] -
+                                       4 * b) / 4;
+
+                    const reaction = a * b * b;
+                    const newA = a + (params.diffusionRateA * laplacianA - reaction + params.feedRate * (1 - a)) * params.timeStep;
+                    const newB = b + (params.diffusionRateB * laplacianB + reaction - (params.killRate + params.feedRate) * b) * params.timeStep;
+
+                    nextGrid[y][x] = Math.min(Math.max(newA, 0), 1);
+                }
+            }
+
+            // Swap grids
+            [grid, nextGrid] = [nextGrid, grid];
+
+            // Apply decay to prevent perfect patterns
+            for (let y = 0; y < params.gridHeight; y++) {
+                for (let x = 0; x < params.gridWidth; x++) {
+                    grid[y][x] *= params.decay;
+                }
+            }
+        }
+
+        // Draw with variable palette based on parameters
+        function draw() {
+            const width = params.gridWidth * params.cellSize;
+            const height = params.gridHeight * params.cellSize;
+            for (let y = 0; y < params.gridHeight; y++) {
+                for (let x = 0; x < params.gridWidth; x++) {
+                    const value = grid[y][x];
+                    if (value > 0.01) {
+                        const intensity = Math.min(value * 255, 255);
+                        ctx.fillStyle = params.palette[params.paletteIndex];
+                        ctx.globalAlpha = value;
+                        ctx.fillRect(x * params.cellSize, y * params.cellSize,
+                                    params.cellSize, params.cellSize);
+                    }
+                }
+            }
+            ctx.globalAlpha = 1;
+        }
+
+        // Animate and update parameters over time
+        function animate() {
+            ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+            // Adjust parameters based on time
+            const time = Date.now() * 0.0005;
+            params.feedRate = 0.055 + Math.sin(time * 0.5) * 0.01;
+            params.killRate = 0.062 + Math.cos(time * 0.3) * 0.01;
+
+            // Occasionally change palette
+            if (Math.random() < 0.002) {
+                params.paletteIndex = Math.floor(Math.random() * params.palette.length);
+            }
+
+            reactDiffuse();
+            draw();
+
+            requestAnimationFrame(animate);
+        }
+
+        initGrid();
+        animate();
+    </script>
+</body>
+</html>
+```
\ No newline at end of file
