birth: Static Pulsing Monochrome Life

2026-06-27 09:47:18 +00:00 · 2026-06-27 09:47:18 +00:00 · 29872602bb
commit 29872602bb
parent b3bed0e97d
1 changed files with 151 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,151 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba Cellular Automata</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: #555;
+            font-size: 10px;
+            text-align: right;
+        }
+    </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();
+
+        // Parameters based on the organism description
+        const params = {
+            motion: 0.482,
+            density: 0.569,
+            complexity: 0.475,
+            connectedness: 0.476,
+            lifespan: 0.421,
+            pulse: { avg: 0.71, min: 0.30, max: 1.70 },
+            tone: {
+                anger: 0.00,
+                sadness: 0.00,
+                curiosity: 0.70,
+                dryness: 0.90,
+                playfulness: 0.10,
+                tension: 0.00
+            }
+        };
+
+        // Cellular automata grid
+        const cols = Math.floor(canvas.width / 4);
+        const rows = Math.floor(canvas.height / 4);
+        let grid = new Array(rows).fill().map(() => new Array(cols).fill(0));
+        let nextGrid = new Array(rows).fill().map(() => new Array(cols).fill(0));
+
+        // Initial state
+        function initializeGrid() {
+            for (let i = 0; i < rows; i++) {
+                for (let j = 0; j < cols; j++) {
+                    grid[i][j] = Math.random() > params.density ? 1 : 0;
+                }
+            }
+        }
+
+        // Rules based on complexity and connectedness
+        function applyRules() {
+            const ruleSet = [
+                // Survival: cells stay alive if they have 2 or 3 neighbors
+                // Birth: cells are born if they have exactly 3 neighbors
+                (cell, neighbors) => (cell && (neighbors === 2 || neighbors === 3)) ||
+                                    (!cell && neighbors === 3) ? 1 : 0
+            ];
+
+            // Select rule based on complexity and connectedness
+            const rule = ruleSet[0];
+
+            for (let i = 0; i < rows; i++) {
+                for (let j = 0; j < cols; j++) {
+                    let neighbors = 0;
+
+                    // Count neighbors (Moore neighborhood)
+                    for (let di = -1; di <= 1; di++) {
+                        for (let dj = -1; dj <= 1; dj++) {
+                            if (di === 0 && dj === 0) continue;
+                            const ni = i + di;
+                            const nj = j + dj;
+                            if (ni >= 0 && ni < rows && nj >= 0 && nj < cols) {
+                                neighbors += grid[ni][nj];
+                            }
+                        }
+                    }
+
+                    nextGrid[i][j] = rule(grid[i][j], neighbors);
+                }
+            }
+
+            // Swap grids
+            [grid, nextGrid] = [nextGrid, grid];
+        }
+
+        // Drawing
+        function draw() {
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            const cellWidth = canvas.width / cols;
+            const cellHeight = canvas.height / rows;
+
+            // Draw cells with pulse effect
+            const pulse = params.pulse.avg + (params.pulse.max - params.pulse.min) * (Math.sin(Date.now() * 0.001) * 0.5 + 0.5);
+
+            for (let i = 0; i < rows; i++) {
+                for (let j = 0; j < cols; j++) {
+                    if (grid[i][j] > 0) {
+                        // Use dryness (monochrome) with slight variation
+                        const value = Math.max(0, Math.min(255, 100 + grid[i][j] * 155 * pulse));
+                        ctx.fillStyle = `rgb(${value}, ${value}, ${value})`;
+
+                        // Slight variation based on complexity
+                        const size = 3 + (params.complexity * 2);
+                        const x = j * cellWidth + cellWidth * 0.5 - size * 0.5;
+                        const y = i * cellHeight + cellHeight * 0.5 - size * 0.5;
+
+                        ctx.fillRect(x, y, size, size);
+                    }
+                }
+            }
+        }
+
+        // Animation loop
+        function animate() {
+            applyRules();
+            draw();
+            requestAnimationFrame(animate);
+        }
+
+        // Initialize and start
+        initializeGrid();
+        animate();
+    </script>
+</body>
+</html>