birth: Static Pulse in Void

2026-08-20 22:21:20 +00:00 · 2026-08-20 22:21:20 +00:00 · 31b22bba91
commit 31b22bba91
parent 4c5b83bfd2
1 changed files with 142 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,142 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Cellular Tapestry</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a1a;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: absolute;
+            bottom: 10px;
+            left: 50%;
+            transform: translateX(-50%);
+            color: #888;
+            font-size: 11px;
+            pointer-events: none;
+        }
+    </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');
+
+        // Set canvas to full window size
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Parameters mapped from abstract inputs
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.1, min: 1.0, max: 1.2 },
+            tone: { anger: 0.00, sadness: 0.00, curiosity: 0.10, dryness: 0.90, playfulness: 0.00, tension: 0.00 }
+        };
+
+        // Cellular automaton grid
+        const gridSize = Math.floor(60 + params.density * 100);
+        const cellSize = Math.min(canvas.width / gridSize, canvas.height / gridSize);
+        const cols = Math.floor(canvas.width / cellSize);
+        const rows = Math.floor(canvas.height / cellSize);
+
+        // Initialize grid with dryness-based randomness
+        let grid = Array(rows).fill().map(() =>
+            Array(cols).fill().map(() =>
+                Math.random() > 0.7 + params.dryness * 0.2 ? 1 : 0
+            )
+        );
+
+        // Colors based on dryness (monochrome) with subtle curiosity teal
+        const aliveColor = `hsl(${200 + params.curiosity * 40}, ${30 + params.curiosity * 20}%, ${50 + params.tone.dryness * 15}%)`;
+        const deadColor = `hsl(0, 0%, ${15 + params.tone.dryness * 10}%)`;
+
+        // Evolution rules (Game of Life variant)
+        function updateGrid() {
+            const newGrid = grid.map(arr => [...arr]);
+
+            for (let y = 0; y < rows; y++) {
+                for (let x = 0; x < cols; x++) {
+                    const neighbors = [
+                        grid[(y-1+rows)%rows][(x-1+cols)%cols],
+                        grid[(y-1+rows)%rows][x],
+                        grid[(y-1+rows)%rows][(x+1)%cols],
+                        grid[y][(x-1+cols)%cols],
+                        grid[y][(x+1)%cols],
+                        grid[(y+1)%rows][(x-1+cols)%cols],
+                        grid[(y+1)%rows][x],
+                        grid[(y+1)%rows][(x+1)%cols]
+                    ].reduce((a,b) => a+b, 0);
+
+                    // Adaptive rules based on complexity
+                    const birthThreshold = 2.5 - params.complexity * 1.2;
+                    const survivalThreshold = 3.5 - params.complexity * 1.0;
+
+                    if (grid[y][x] === 0 && neighbors >= birthThreshold) {
+                        newGrid[y][x] = 1;
+                    } else if (grid[y][x] === 1 && neighbors >= survivalThreshold && neighbors <= 3 + params.motion) {
+                        newGrid[y][x] = 1;
+                    } else {
+                        newGrid[y][x] = 0;
+                    }
+                }
+            }
+
+            grid = newGrid;
+        }
+
+        // Render function
+        function render() {
+            // Background with faint pulse effect
+            const bgAlpha = 0.1 + (Math.sin(Date.now() * 0.001 * params.pulse.avg) * 0.05);
+            ctx.fillStyle = `rgba(10, 10, 26, ${bgAlpha})`;
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Draw cells
+            for (let y = 0; y < rows; y++) {
+                for (let x = 0; x < cols; x++) {
+                    if (grid[y][x]) {
+                        ctx.fillStyle = aliveColor;
+                        ctx.fillRect(
+                            x * cellSize,
+                            y * cellSize,
+                            cellSize * 0.9,
+                            cellSize * 0.9
+                        );
+                    }
+                }
+            }
+        }
+
+        // Animation loop
+        function animate() {
+            updateGrid();
+            render();
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>