birth: Fractal Drift in Static

2026-09-19 22:21:19 +00:00 · 2026-09-19 22:21:19 +00:00 · f18ebf53e0
commit f18ebf53e0
parent 4463d46d31
1 changed files with 141 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,141 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Fractal Drift</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #000;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+            user-select: none;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: absolute;
+            bottom: 10px;
+            color: rgba(255, 255, 255, 0.3);
+            font-family: monospace;
+            font-size: 10px;
+        }
+    </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();
+
+        // Strange attractor parameters
+        const params = {
+            a: 1.4,
+            b: 2.3,
+            c: 0.2,
+            d: 1.1,
+            e: 1.0,
+            f: 1.0,
+            scale: 100,
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            hue: 180,
+            pulse: 1.08
+        };
+
+        // Generate points
+        let points = [];
+        const maxPoints = 1000 * params.density;
+
+        function generatePoints() {
+            const centerX = canvas.width / 2;
+            const centerY = canvas.height / 2;
+
+            for (let i = 0; i < maxPoints; i++) {
+                points.push({
+                    x: centerX + (Math.random() - 0.5) * 200,
+                    y: centerY + (Math.random() - 0.5) * 200,
+                    vx: 0,
+                    vy: 0,
+                    life: 0,
+                    size: 1 + Math.random() * 2 * params.complexity
+                });
+            }
+        }
+
+        generatePoints();
+
+        // Animation
+        function animate() {
+            // Dim background for glow effect
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update parameters based on pulse
+            const pulseVariation = (Math.random() * 0.05 + 0.95) * params.pulse;
+            const attractScale = params.scale * pulseVariation;
+            const motionScale = params.motion * pulseVariation;
+
+            // Draw and update points
+            for (let i = 0; i < points.length; i++) {
+                const p = points[i];
+                p.life += (0.01 * params.lifespan);
+
+                // Strange attractor equations
+                const x = p.x - canvas.width/2;
+                const y = p.y - canvas.height/2;
+
+                const xn = Math.sin(params.a * y) - Math.cos(params.b * x);
+                const yn = Math.sin(params.c * x) - Math.cos(params.d * y);
+
+                p.vx = xn * attractScale * motionScale;
+                p.vy = yn * attractScale * motionScale;
+
+                // Apply velocity with some damping
+                p.x += p.vx * (0.01 + 0.01 * params.motion);
+                p.y += p.vy * (0.01 + 0.01 * params.motion);
+
+                // Calculate size based on life and complexity
+                const size = p.size * (0.5 + 0.5 * Math.sin(p.life * 2 * Math.PI * params.complexity));
+
+                // Draw with dryness-inspired monochrome palette
+                const alpha = 0.2 + 0.8 * Math.sin(p.life * 2 * Math.PI * params.connectedness);
+                const brightness = 10 + 90 * (1 - params.dryness) + 40 * Math.sin(p.life * 2);
+
+                ctx.fillStyle = `rgba(${brightness}, ${brightness}, ${brightness}, ${alpha})`;
+                ctx.beginPath();
+                ctx.arc(p.x, p.y, size, 0, Math.PI * 2);
+                ctx.fill();
+
+                // Occasionally reset points to keep things alive
+                if (Math.random() < 0.001 * params.lifespan) {
+                    p.x = canvas.width/2 + (Math.random() - 0.5) * 200;
+                    p.y = canvas.height/2 + (Math.random() - 0.5) * 200;
+                    p.life = 0;
+                }
+            }
+
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>