birth: Dry Cell Birth Cycle

2026-09-14 18:21:20 +00:00 · 2026-09-14 18:21:20 +00:00 · 10ec1e709a
commit 10ec1e709a
parent e39b692fdc
1 changed files with 154 additions and 0 deletions
--- a/index.html
+++ b/index.html
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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>Dry Cellular Bloom</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: absolute;
+            bottom: 10px;
+            color: #555;
+            font-family: monospace;
+            font-size: 10px;
+        }
+    </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 derived from abstract values
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: 1.07,
+            tone: {
+                anger: 0,
+                sadness: 0,
+                curiosity: 0.1,
+                dryness: 0.9,
+                playfulness: 0,
+                tension: 0
+            }
+        };
+
+        // Dry monochrome palette (high dryness)
+        const palette = {
+            bg: '#0a0a0a',
+            cell: '#444444',
+            live: '#ffffff',
+            dead: '#111111'
+        };
+
+        // Cellular automata grid
+        const gridSize = Math.floor(40 * params.density) + 10;
+        const grid = Array.from({length: gridSize}, () =>
+            Array.from({length: Math.floor(gridSize * (canvas.width/canvas.height))}, () =>
+                Math.random() > 0.7 ? 1 : 0
+            )
+        );
+
+        let frameCount = 0;
+
+        function drawGrid() {
+            const cellWidth = canvas.width / grid[0].length;
+            const cellHeight = canvas.height / grid.length;
+
+            // Update cells based on Moore neighborhood
+            const newGrid = grid.map(arr => [...arr]);
+
+            for (let y = 0; y < grid.length; y++) {
+                for (let x = 0; x < grid[y].length; x++) {
+                    let neighbors = 0;
+                    for (let dy = -1; dy <= 1; dy++) {
+                        for (let dx = -1; dx <= 1; dx++) {
+                            if (dx === 0 && dy === 0) continue;
+                            const nx = (x + dx + grid[y].length) % grid[y].length;
+                            const ny = (y + dy + grid.length) % grid.length;
+                            neighbors += grid[ny][nx];
+                        }
+                    }
+
+                    // High complexity adds more rules
+                    const ruleVariation = params.complexity * 0.3;
+                    const alive = grid[y][x] === 1;
+
+                    if (alive) {
+                        // Survival with variation
+                        newGrid[y][x] = neighbors >= 2 + ruleVariation * 3 &&
+                                      neighbors <= 3 + ruleVariation * 3 ? 1 : 0;
+                    } else {
+                        // Birth with variation
+                        newGrid[y][x] = neighbors >= 3 - ruleVariation * 2 &&
+                                      neighbors <= 3 + ruleVariation * 2 ? 1 : 0;
+                    }
+                }
+            }
+
+            grid.length = 0;
+            grid.push(...newGrid);
+
+            // Draw cells with low opacity for dryness effect
+            ctx.fillStyle = palette.cell;
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            ctx.fillStyle = palette.live;
+            for (let y = 0; y < grid.length; y++) {
+                for (let x = 0; x < grid[y].length; x++) {
+                    if (grid[y][x] === 1) {
+                        const size = cellWidth * (0.5 + 0.5 * Math.sin(frameCount * 0.05 + x * 0.1));
+                        ctx.globalAlpha = 0.1 + 0.9 * (Math.sin(frameCount * 0.03 + x * y * 0.001) * 0.5 + 0.5);
+                        ctx.beginPath();
+                        ctx.arc(
+                            x * cellWidth + cellWidth/2,
+                            y * cellHeight + cellHeight/2,
+                            size/2,
+                            0,
+                            Math.PI * 2
+                        );
+                        ctx.fill();
+                    }
+                }
+            }
+            ctx.globalAlpha = 1;
+
+            frameCount++;
+        }
+
+        function animate() {
+            drawGrid();
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>
+```