birth: Reactive Fractures Emerging

2026-08-05 06:21:19 +00:00 · 2026-08-05 06:21:19 +00:00 · 5c326d64d2
commit 5c326d64d2
parent 3cb9f87495
1 changed files with 168 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,168 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Diffusive Dissonance</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            font-family: 'Courier New', monospace;
+            color: #ddd;
+            display: flex;
+            flex-direction: column;
+            height: 100vh;
+        }
+        canvas {
+            flex: 1;
+        }
+        .attribution {
+            text-align: right;
+            padding: 8px 16px;
+            font-size: 10px;
+            opacity: 0.6;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <div class="attribution">neurameba · motd.social</div>
+
+    <script>
+        const canvas = document.getElementById('canvas');
+        const ctx = canvas.getContext('2d');
+
+        // Full viewport canvas
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Parameters derived from abstract inputs
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.08, min: 1.05, max: 1.10 },
+            tone: { anger: 0, sadness: 0, curiosity: 0.2, dryness: 0.8, playfulness: 0, tension: 0 }
+        };
+
+        // Palette based on tone
+        function getColor() {
+            const dry = params.tone.dryness;
+            if (dry > 0.7) {
+                // Monochrome with slight variation
+                const gray = 50 + Math.floor(Math.random() * 50);
+                return `rgb(${gray}, ${gray}, ${gray})`;
+            } else if (params.tone.curiosity > 0.5) {
+                const teal = 100 + Math.floor(Math.random() * 100);
+                return `rgb(0, ${teal}, ${teal * 1.2})`;
+            }
+            return 'rgb(50, 50, 50)';
+        }
+
+        // Reaction-diffusion grid
+        const GRID_SIZE = 80;
+        const CELL_SIZE = Math.max(2, Math.floor(Math.min(
+            window.innerWidth / GRID_SIZE,
+            window.innerHeight / GRID_SIZE
+        )));
+
+        const cols = Math.floor(window.innerWidth / CELL_SIZE);
+        const rows = Math.floor(window.innerHeight / CELL_SIZE);
+
+        let grid = new Array(cols * rows);
+        let nextGrid = new Array(cols * rows);
+
+        // Initialize with sparse patterns
+        for (let i = 0; i < grid.length; i++) {
+            grid[i] = (Math.random() < 0.2) ? 1 : 0;
+            nextGrid[i] = 0;
+        }
+
+        // Reaction-diffusion rules (Gray-Scott)
+        const DA = 1.0;
+        const DB = 0.5;
+        const feed = 0.055;
+        const kill = 0.062;
+
+        function updateGrid() {
+            for (let x = 1; x < cols - 1; x++) {
+                for (let y = 1; y < rows - 1; y++) {
+                    const idx = x + y * cols;
+
+                    let a = grid[idx];
+                    let b = nextGrid[idx];
+
+                    // Apply reaction
+                    const ab2 = a * b * b;
+                    const reaction = ab2 - (feed + kill) * b;
+
+                    nextGrid[idx] = b + (DA * (grid[idx - 1] + grid[idx + 1] +
+                                              grid[idx - cols] + grid[idx + cols] - 4 * b) -
+                                        reaction) * params.pulse.avg;
+                }
+            }
+
+            // Swap buffers
+            [grid, nextGrid] = [nextGrid, grid];
+        }
+
+        function drawGrid() {
+            ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+            for (let x = 0; x < cols; x++) {
+                for (let y = 0; y < rows; y++) {
+                    const idx = x + y * cols;
+                    const value = grid[idx];
+
+                    if (value > 0.1) {
+                        const size = CELL_SIZE * value * 1.5;
+                        const xPos = x * CELL_SIZE + (CELL_SIZE - size) / 2;
+                        const yPos = y * CELL_SIZE + (CELL_SIZE - size) / 2;
+
+                        ctx.fillStyle = getColor();
+                        ctx.globalAlpha = Math.min(1, value * 3);
+                        ctx.fillRect(xPos, yPos, size, size);
+                    }
+                }
+            }
+
+            ctx.globalAlpha = 1;
+        }
+
+        // Animation loop
+        let frameCount = 0;
+        function animate() {
+            frameCount++;
+
+            // Adjust feed/kill based on motion parameter
+            const adjustedFeed = feed * (0.9 + params.motion * 0.2);
+            const adjustedKill = kill * (1.1 - params.motion * 0.2);
+
+            // Random perturbation for complexity
+            if (frameCount % 30 === 0 && Math.random() < params.complexity * 0.3) {
+                const x = Math.floor(Math.random() * cols);
+                const y = Math.floor(Math.random() * rows);
+                grid[x + y * cols] = 1;
+            }
+
+            // Update simulation
+            for (let i = 0; i < 5; i++) {
+                updateGrid();
+            }
+
+            drawGrid();
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>