birth: Fractal whispers in motion

2026-04-02 13:47:21 +00:00 · 2026-04-02 13:47:21 +00:00 · 12fa270c44
commit 12fa270c44
parent e12c77b76e
1 changed files with 132 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,132 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>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: absolute;
+            bottom: 20px;
+            color: rgba(255, 255, 255, 0.3);
+            font-family: monospace;
+            font-size: 12px;
+        }
+    </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 params = {
+            a: 1.5,
+            b: -1.5,
+            c: 1.0,
+            d: -0.5
+        };
+
+        // Tone adjustments
+        const dryness = 0.9;
+        const playfulness = 0.1;
+        const curiosity = 0.8;
+
+        // Color palette based on tone
+        function getColor() {
+            const hue = 180 + Math.random() * 30; // Teals for curiosity
+            const saturation = 50 + playfulness * 50;
+            const lightness = 30 + (1 - dryness) * 20;
+            return `hsl(${hue}, ${saturation}%, ${lightness}%)`;
+        }
+
+        // Strange attractor points
+        let points = [];
+        const pointCount = 5000;
+        const motion = 0.5;
+        const density = 0.5;
+
+        // Initialize points
+        function initPoints() {
+            points = [];
+            for (let i = 0; i < pointCount * density; i++) {
+                points.push({
+                    x: (Math.random() - 0.5) * canvas.width * 0.8,
+                    y: (Math.random() - 0.5) * canvas.height * 0.8,
+                    prevX: 0,
+                    prevY: 0,
+                    color: getColor(),
+                    size: 0.5 + Math.random() * 0.5
+                });
+            }
+        }
+
+        initPoints();
+
+        // Strange attractor function
+        function attractor(x, y) {
+            const a = params.a + (Math.random() - 0.5) * motion;
+            const b = params.b * (1 - motion * 0.5);
+            const c = params.c * (0.5 + motion * 0.5);
+            const d = params.d * (1 - motion * 0.3);
+
+            const newX = Math.sin(a * y) + c * Math.cos(a * x);
+            const newY = Math.sin(b * x) + d * Math.cos(b * y);
+
+            return { x: newX, y: newY };
+        }
+
+        // Draw function
+        function draw(timestamp) {
+            // Clear with slight fade for trails
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update and draw points
+            points.forEach(point => {
+                // Update position
+                const next = attractor(point.x, point.y);
+                point.prevX = point.x;
+                point.prevY = point.y;
+                point.x = next.x * 200 + canvas.width/2;
+                point.y = next.y * 200 + canvas.height/2;
+
+                // Draw line from previous position (aging effect)
+                const age = timestamp % 1000 / 1000;
+                ctx.strokeStyle = point.color;
+                ctx.lineWidth = point.size * (0.5 + age * 0.5);
+                ctx.beginPath();
+                ctx.moveTo(point.prevX, point.prevY);
+                ctx.lineTo(point.x, point.y);
+                ctx.stroke();
+            });
+
+            requestAnimationFrame(draw);
+        }
+
+        draw();
+    </script>
+</body>
+</html>