birth: Fractal Ghosts in the Static

2026-08-27 18:21:19 +00:00 · 2026-08-27 18:21:19 +00:00 · c123871826
commit c123871826
parent 4ad7e102ec
1 changed files with 145 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,145 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba Strange Attractor</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #000;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+        }
+        canvas {
+            display: block;
+        }
+        .attribution {
+            position: fixed;
+            bottom: 20px;
+            right: 20px;
+            color: rgba(255, 255, 255, 0.3);
+            font-family: monospace;
+            font-size: 10px;
+            pointer-events: none;
+        }
+    </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');
+
+        // Set canvas to full window size
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Strange attractor parameters
+        const points = [];
+        const maxPoints = 300;
+        const step = 0.01;
+        let time = 0;
+
+        // Base parameters for a chaotic attractor
+        const a = 1.4;
+        const b = 0.3;
+
+        // Color palette (dryness=monochrome)
+        const palette = {
+            white: '#ffffff',
+            dark: '#111111',
+            mid: '#444444'
+        };
+
+        function initPoints() {
+            points.length = 0;
+            for (let i = 0; i < maxPoints; i++) {
+                points.push({
+                    x: Math.random() * 2 - 1,
+                    y: Math.random() * 2 - 1,
+                    size: 0.5 + Math.random() * 0.5
+                });
+            }
+        }
+
+        function updatePoints() {
+            for (let i = 0; i < points.length; i++) {
+                const p = points[i];
+
+                // Strange attractor equations (Henon-like)
+                const x = p.x;
+                const y = p.y;
+
+                p.x = y + 1 - a * x * x;
+                p.y = b * x;
+
+                // Apply circular boundary
+                const dist = Math.sqrt(p.x * p.x + p.y * p.y);
+                if (dist > 2) {
+                    p.x *= 0.9;
+                    p.y *= 0.9;
+                }
+            }
+        }
+
+        function draw() {
+            // Fade background slightly
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Draw points with motion blur
+            ctx.fillStyle = palette.white;
+
+            for (let i = 0; i < points.length; i++) {
+                const p = points[i];
+
+                // Size based on density parameter
+                const size = p.size * 2 * (0.5 + 0.5 * Math.sin(time * 0.1)) * 1.5;
+
+                // Position in center of canvas
+                const x = (p.x * 0.4 + 0.5) * canvas.width;
+                const y = (p.y * 0.4 + 0.5) * canvas.height;
+
+                // Draw with slight glow
+                const glow = size * 1.5;
+                ctx.beginPath();
+                ctx.arc(x, y, glow, 0, Math.PI * 2);
+                ctx.fillStyle = `rgba(255, 255, 255, 0.1)`;
+                ctx.fill();
+
+                ctx.beginPath();
+                ctx.arc(x, y, size, 0, Math.PI * 2);
+                ctx.fillStyle = palette.white;
+                ctx.fill();
+            }
+
+            time += step;
+            updatePoints();
+        }
+
+        let animationId;
+        function animate() {
+            draw();
+            animationId = requestAnimationFrame(animate);
+        }
+
+        initPoints();
+        animate();
+
+        // Clean up on unload
+        window.addEventListener('unload', () => {
+            cancelAnimationFrame(animationId);
+        });
+    </script>
+</body>
+</html>