birth: Static Pulse in the Void

2026-06-13 05:47:20 +00:00 · 2026-06-13 05:47:20 +00:00 · 6bb8350939
commit 6bb8350939
parent a8298bcb7f
1 changed files with 181 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,181 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Cellular Nebula</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            font-family: 'Courier New', monospace;
+            color: #00ffaa;
+        }
+        #info {
+            position: absolute;
+            bottom: 10px;
+            left: 10px;
+            font-size: 10px;
+            opacity: 0.7;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <div id="info">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();
+
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: 1.0,
+            dryness: 0.9
+        };
+
+        const automata = [];
+        const colors = [200, 220, 240].map(c => `hsl(210, 10%, ${c + (Math.random() * 20 - 10)}%)`);
+        const cellSize = 20;
+        const cols = Math.ceil(canvas.width / cellSize);
+        const rows = Math.ceil(canvas.height / cellSize);
+
+        function initAutomata() {
+            automata.length = 0;
+            for (let i = 0; i < cols * rows; i++) {
+                automata.push({
+                    state: Math.random() > 0.5 ? 1 : 0,
+                    next: 0,
+                    age: 0,
+                    maxAge: 30 + Math.random() * 30,
+                    hue: colors[Math.floor(Math.random() * colors.length)]
+                });
+            }
+        }
+
+        function updateAutomata() {
+            for (let i = 0; i < automata.length; i++) {
+                const cell = automata[i];
+                if (cell.state === 0) continue;
+
+                cell.age++;
+                if (cell.age > cell.maxAge) {
+                    cell.state = 0;
+                    continue;
+                }
+
+                // Moore neighborhood
+                const x = i % cols;
+                const y = Math.floor(i / cols);
+                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 + cols) % cols;
+                        const ny = (y + dy + rows) % rows;
+                        const idx = ny * cols + nx;
+                        neighbors += automata[idx].state;
+                    }
+                }
+
+                // Conway's Game of Life-like rules with randomness
+                cell.next = cell.state;
+                if (cell.state === 1) {
+                    if (neighbors < 2 || neighbors > 3 || Math.random() < 0.3) {
+                        cell.next = 0;
+                    }
+                } else {
+                    if (neighbors === 3 && Math.random() < 0.1) {
+                        cell.next = 1;
+                    }
+                }
+            }
+
+            // Apply updates
+            for (let i = 0; i < automata.length; i++) {
+                automata[i].state = automata[i].next;
+                if (automata[i].state === 1) {
+                    automata[i].next = 0; // Prevent immediate rebirth
+                }
+            }
+        }
+
+        function drawAutomata() {
+            ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+            for (let y = 0; y < rows; y++) {
+                for (let x = 0; x < cols; x++) {
+                    const i = y * cols + x;
+                    if (automata[i].state === 1) {
+                        const ageRatio = automata[i].age / automata[i].maxAge;
+                        const size = cellSize * 0.5 + cellSize * 0.5 * ageRatio;
+                        ctx.fillStyle = automata[i].hue;
+                        ctx.globalAlpha = 0.7;
+                        ctx.beginPath();
+                        ctx.arc(
+                            x * cellSize + cellSize * 0.5,
+                            y * cellSize + cellSize * 0.5,
+                            size,
+                            0,
+                            Math.PI * 2
+                        );
+                        ctx.fill();
+                    }
+                }
+            }
+
+            ctx.globalAlpha = 1;
+        }
+
+        let lastTime = 0;
+        function animate(time) {
+            if (!lastTime) lastTime = time;
+            const delta = (time - lastTime) / 1000;
+            lastTime = time;
+
+            const pulse = 1.0 + 0.2 * Math.sin(Date.now() * 0.001);
+
+            ctx.fillStyle = 'rgba(10, 10, 10, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            if (Math.random() < 0.01 * pulse) {
+                const x = Math.floor(Math.random() * cols);
+                const y = Math.floor(Math.random() * rows);
+                const i = y * cols + x;
+                automata[i].state = 1;
+                automata[i].age = 0;
+            }
+
+            updateAutomata();
+            drawAutomata();
+
+            requestAnimationFrame(animate);
+        }
+
+        initAutomata();
+        animate();
+
+        // Handle interactions
+        canvas.addEventListener('click', (e) => {
+            const rect = canvas.getBoundingClientRect();
+            const x = Math.floor((e.clientX - rect.left) / cellSize);
+            const y = Math.floor((e.clientY - rect.top) / cellSize);
+            const i = y * cols + x;
+            automata[i].state = 1;
+            automata[i].age = 0;
+        });
+    </script>
+</body>
+</html>