birth: Teal currents in quiet grids

2026-05-27 01:47:19 +00:00 · 2026-05-27 01:47:19 +00:00 · 36727f6139
commit 36727f6139
parent ab4f2c0ada
1 changed files with 127 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,127 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Cellular Bloom</title>
+    <style>
+        body { margin: 0; overflow: hidden; background: #0a0a0a; }
+        canvas { display: block; }
+        #attribution { position: fixed; bottom: 10px; right: 10px; color: #444; 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 generative rules
+        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: 0.8,
+                dryness: 0.9,
+                playfulness: 0.1,
+                tension: 0
+            }
+        };
+
+        // Cellular automaton grid
+        const cols = Math.floor(canvas.width / 8) + 1;
+        const rows = Math.floor(canvas.height / 8) + 1;
+        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 sparse live cells
+        function initializeGrid() {
+            const density = params.density * 0.3 + 0.1; // Scale to reasonable density
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    grid[i][j] = Math.random() < density ? 1 : 0;
+                }
+            }
+        }
+        initializeGrid();
+
+        // Game of Life rules with variation
+        function updateGrid() {
+            const motionFactor = params.motion * 0.8 + 0.2; // Ensure some movement
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    let neighbors = 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;
+                            neighbors += grid[ni][nj];
+                        }
+                    }
+
+                    // Modified rules with randomness based on motion
+                    const birth = 2 + Math.floor(motionFactor * 3);
+                    const survival = 3 + Math.floor(motionFactor * 2);
+
+                    if (grid[i][j] === 1) {
+                        nextGrid[i][j] = neighbors >= survival || Math.random() < 0.1 * motionFactor ? 1 : 0;
+                    } else {
+                        nextGrid[i][j] = neighbors === birth || Math.random() < 0.05 * motionFactor ? 1 : 0;
+                    }
+                }
+            }
+            [grid, nextGrid] = [nextGrid, grid];
+        }
+
+        // Drawing with teal curiosity tones
+        function drawGrid() {
+            const size = 8 * (0.5 + params.density * 0.5); // Vary cell size
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.1)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    if (grid[i][j] === 1) {
+                        const hue = 160 + (Math.sin(i * 0.1 + j * 0.1) * 30);
+                        const saturation = 70 + Math.sin(Date.now() * 0.001) * 20;
+                        const vibrancy = params.tone.dryness < 0.5 ?
+                            `hsl(${hue}, ${saturation}%, 60%)` :
+                            `hsl(${hue}, ${saturation}%, ${50 + Math.random() * 10}%)`;
+
+                        ctx.fillStyle = vibrancy;
+                        ctx.fillRect(i * size, j * size, size, size);
+                    }
+                }
+            }
+        }
+
+        // Animation loop
+        function animate() {
+            updateGrid();
+            drawGrid();
+            requestAnimationFrame(animate);
+        }
+        animate();
+
+        // Handle clicks to reset
+        canvas.addEventListener('click', () => {
+            initializeGrid();
+        });
+    </script>
+</body>
+</html>