birth: Fractal Echoes in Static

2026-07-04 17:47:20 +00:00 · 2026-07-04 17:47:20 +00:00 · 5ab66ec6e5
commit 5ab66ec6e5
parent 357b0bd0a7
1 changed files with 136 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,136 @@
+<!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;
+            padding: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #info {
+            position: absolute;
+            bottom: 10px;
+            left: 10px;
+            color: #555;
+            font-size: 10px;
+            text-shadow: 0 0 5px rgba(0,0,0,0.5);
+        }
+    </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();
+
+        // Strange attractor parameters
+        const params = {
+            a: 2.24,
+            b: 0.43,
+            c: -0.65,
+            d: -2.43,
+            e: 1.0,
+            scale: 200,
+            speed: 0.552 * 2,
+            points: 5000,
+            trails: 500,
+            hue: 180,
+            saturation: 20,
+            brightness: 80,
+            alpha: 0.4
+        };
+
+        const points = [];
+        const history = [];
+
+        function initPoints() {
+            for (let i = 0; i < params.points; i++) {
+                points.push({
+                    x: Math.random() * 2 - 1,
+                    y: Math.random() * 2 - 1,
+                    trail: []
+                });
+            }
+        }
+
+        function updatePoints() {
+            for (let i = 0; i < points.length; i++) {
+                const p = points[i];
+                const x = p.x;
+                const y = p.y;
+
+                // Strange attractor equations
+                const x_new = Math.sin(params.a * y) - Math.cos(params.b * x);
+                const y_new = Math.sin(params.c * x) - Math.cos(params.d * y);
+
+                p.x = x_new * params.e + x * 0.1;
+                p.y = y_new * params.e + y * 0.1;
+
+                // Add to trail
+                p.trail.push({x: p.x, y: p.y});
+                if (p.trail.length > params.trails) {
+                    p.trail.shift();
+                }
+            }
+        }
+
+        function draw() {
+            ctx.fillStyle = 'rgba(5, 5, 10, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            const centerX = canvas.width / 2;
+            const centerY = canvas.height / 2;
+            const scale = Math.min(canvas.width, canvas.height) * 0.4;
+
+            ctx.lineWidth = 0.5;
+            ctx.strokeStyle = `hsla(${params.hue}, ${params.saturation}%, ${params.brightness}%, ${params.alpha})`;
+
+            for (let i = 0; i < points.length; i++) {
+                const p = points[i];
+
+                if (p.trail.length > 1) {
+                    ctx.beginPath();
+                    for (let j = 0; j < p.trail.length; j++) {
+                        const pos = p.trail[j];
+                        const x = centerX + pos.x * scale;
+                        const y = centerY + pos.y * scale;
+                        if (j === 0) {
+                            ctx.moveTo(x, y);
+                        } else {
+                            ctx.lineTo(x, y);
+                        }
+                    }
+                    ctx.stroke();
+                }
+            }
+
+            updatePoints();
+        }
+
+        function animate() {
+            draw();
+            requestAnimationFrame(animate);
+        }
+
+        initPoints();
+        animate();
+    </script>
+</body>
+</html>