birth: fractal dust dispersing

2026-05-14 01:47:21 +00:00 · 2026-05-14 01:47:21 +00:00 · 5d4fd12cb1
commit 5d4fd12cb1
parent b492bb164f
1 changed files with 107 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,107 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>chaos bloom</title>
+    <style>
+        body, html {
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            height: 100%;
+        }
+        canvas {
+            display: block;
+        }
+        .attribution {
+            position: fixed;
+            bottom: 10px;
+            right: 10px;
+            color: #444;
+            font-family: monospace;
+            font-size: 10px;
+            pointer-events: none;
+            z-index: 100;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="c"></canvas>
+    <div class="attribution">neurameba · motd.social</div>
+    <script>
+        const canvas = document.getElementById('c');
+        const ctx = canvas.getContext('2d');
+
+        function resize() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resize);
+        resize();
+
+        // Strange attractor parameters
+        const points = [];
+        const maxPoints = 10000;
+        const a = 4.5 + 1.4 * (Math.random() * 2 - 1);
+        const b = 0.2 + 0.1 * (Math.random() * 2 - 1);
+        const c = 5.8 + 1.2 * (Math.random() * 2 - 1);
+        let x = 0.1, y = 0.1;
+
+        // Stroke style based on tone parameters
+        const dryness = 0.8;
+        const playfulness = 0.1;
+        const hue = 180 + (playfulness * 60);
+        const sat = 15 + (dryness * 85);
+        const light = 70 + (1 - dryness) * 30;
+
+        function update() {
+            // Motion influence
+            const motion = 0.5;
+            const steps = Math.floor(1 + motion * 20);
+
+            for (let i = 0; i < steps; i++) {
+                if (points.length < maxPoints) {
+                    points.push({x: x * canvas.width/2 + canvas.width/2,
+                                y: y * canvas.height/2 + canvas.height/2,
+                                size: 1 + Math.random() * 1.5,
+                                alpha: 0.7 + Math.random() * 0.3});
+
+                    // Strange attractor equations
+                    const xn = Math.sin(a * y) - Math.cos(b * x);
+                    const yn = Math.sin(x) - Math.cos(c * y);
+                    x = xn;
+                    y = yn;
+                }
+            }
+
+            // Fading trail effect
+            ctx.fillStyle = `rgba(0, 0, 0, 0.05)`;
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Draw points
+            points.forEach((p, i) => {
+                const age = i / points.length;
+                const size = p.size * (1 - age * 0.7);
+                const alpha = p.alpha * (1 - age * 0.5);
+                ctx.fillStyle = `hsla(${hue}, ${sat}%, ${light}%, ${alpha})`;
+                ctx.beginPath();
+                ctx.arc(p.x, p.y, size, 0, Math.PI * 2);
+                ctx.fill();
+            });
+
+            // Cull old points
+            while (points.length > maxPoints) {
+                points.shift();
+            }
+        }
+
+        function animate() {
+            update();
+            requestAnimationFrame(animate);
+        }
+        animate();
+    </script>
+</body>
+</html>