birth: Static Fields in Motion

2026-08-12 22:21:18 +00:00 · 2026-08-12 22:21:18 +00:00 · f05d5e6553
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+```html
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Static Fields</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            color: #f0f0f0;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: fixed;
+            bottom: 20px;
+            right: 20px;
+            font-size: 10px;
+            opacity: 0.5;
+        }
+    </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();
+
+        // Cellular automata parameters
+        const cols = Math.floor(canvas.width * 0.02);
+        const rows = Math.floor(canvas.height * 0.02);
+        const cellSize = Math.min(canvas.width / cols, canvas.height / rows);
+
+        // CA grid and state
+        let grid = new Array(cols).fill().map(() => new Array(rows).fill(0));
+        let nextGrid = new Array(cols).fill().map(() => new Array(rows).fill(0));
+
+        // Initialize with pattern based on parameters
+        function initGrid() {
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    // Density parameter affects initial state
+                    grid[i][j] = Math.random() < 0.3 ? 1 : 0;
+                }
+            }
+        }
+
+        // CA rules with variation based on parameters
+        function computeCell(i, j) {
+            let sum = 0;
+            for (let di = -1; di <= 1; di++) {
+                for (let dj = -1; dj <= 1; dj++) {
+                    if (di === 0 && dj === 0) continue;
+                    const ni = (i + di + cols) % cols;
+                    const nj = (j + dj + rows) % rows;
+                    sum += grid[ni][nj];
+                }
+            }
+
+            // Conway's Game of Life with mutation based on complexity
+            if (grid[i][j] === 1) {
+                nextGrid[i][j] = (sum === 2 || sum === 3) ? 1 : 0;
+            } else {
+                nextGrid[i][j] = (sum === 3) ? 1 : 0;
+            }
+
+            // Add some random mutation based on complexity
+            if (Math.random() < 0.01 * 0.5) {
+                nextGrid[i][j] = 1 - nextGrid[i][j];
+            }
+        }
+
+        // Drawing with dryness parameter
+        function drawCell(i, j) {
+            if (grid[i][j] === 0) return;
+
+            const x = i * cellSize;
+            const y = j * cellSize;
+            const size = cellSize * 0.8;
+
+            // Dryness makes everything monochrome
+            ctx.fillStyle = `hsl(0, 0%, ${Math.random() * 30 + 10}%)`;
+            ctx.fillRect(x + cellSize * 0.1, y + cellSize * 0.1, size, size);
+        }
+
+        // Animation with pulse
+        let pulse = 1.05;
+        let pulseDir = -0.01;
+
+        function animate() {
+            // Update pulse
+            pulse += pulseDir;
+            if (pulse > 1.10) pulseDir = -0.01;
+            if (pulse < 1.00) pulseDir = 0.01;
+
+            // Clear with dark background
+            ctx.fillStyle = '#0a0a0a';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update cellular automata
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    computeCell(i, j);
+                }
+            }
+
+            // Swap grids
+            [grid, nextGrid] = [nextGrid, grid];
+
+            // Draw cells
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    drawCell(i, j);
+                }
+            }
+
+            requestAnimationFrame(animate);
+        }
+
+        initGrid();
+        animate();
+    </script>
+</body>
+</html>
+```