birth: Electromagnetic Teal Quiver

2026-08-11 06:21:23 +00:00 · 2026-08-11 06:21:23 +00:00 · 04a096cb5c
commit 04a096cb5c
parent de0cefaf94
1 changed files with 147 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,147 @@
+<!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-color: #0a0a1a;
+            font-family: 'Courier New', monospace;
+            color: #a0a0d0;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: fixed;
+            bottom: 15px;
+            left: 15px;
+            font-size: 10px;
+            opacity: 0.6;
+            user-select: none;
+        }
+    </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');
+
+        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,
+            scale: 30,
+            motion: 0.536,
+            density: 0.189,
+            complexity: 0.833,
+            connectedness: 0.694,
+            lifespan: 0.477,
+            pulse: { avg: 0.37, min: 0.30, max: 1.25 }
+        };
+
+        // Color palette (dryness=monochrome, curiosity=teals)
+        const colors = {
+            bg: '#0a0a1a',
+            particle: `hsl(${Math.random() * 30 + 180}, 30%, ${50 + Math.sin(Date.now() * 0.001) * 5}%)`
+        };
+
+        // Particle system
+        class Particle {
+            constructor() {
+                this.reset();
+                this.life = 0;
+                this.maxLife = 100 + Math.random() * 50;
+            }
+
+            reset() {
+                this.x = Math.random() * 2 - 1;
+                this.y = Math.random() * 2 - 1;
+                this.z = Math.random() * 2 - 1;
+                this.vx = 0;
+                this.vy = 0;
+                this.vz = 0;
+                this.size = 0.1 + Math.random() * 0.3 * params.scale * 0.1;
+            }
+
+            update() {
+                // Strange attractor equations
+                const dt = 0.01 * params.motion;
+                const px = this.x;
+                const py = this.y;
+                const pz = this.z;
+
+                this.vx += dt * (params.a * px + params.b * py);
+                this.vy += dt * (params.c * px + (params.d - pz * pz) * py);
+                this.vz += dt * (1 + pz * pz);
+
+                this.x += this.vx;
+                this.y += this.vy;
+                this.z += this.vz;
+
+                this.life++;
+
+                // Pulse modulation
+                const pulse = params.pulse.avg + Math.sin(Date.now() * 0.001) * (params.pulse.max - params.pulse.min) * 0.5;
+                this.size = Math.max(0.01, this.size * pulse * 0.5);
+            }
+
+            draw() {
+                const scale = canvas.width / 4 * params.scale;
+                const x = canvas.width / 2 + this.x * scale;
+                const y = canvas.height / 2 + this.y * scale;
+
+                const age = this.life / this.maxLife;
+                const alpha = Math.min(1, age) * 0.8;
+
+                ctx.fillStyle = `rgba(0, ${Math.floor(50 + age * 50)}, ${Math.floor(150 + age * 100)}, ${alpha})`;
+                ctx.beginPath();
+                ctx.arc(x, y, this.size, 0, Math.PI * 2);
+                ctx.fill();
+            }
+        }
+
+        const particles = [];
+        const particleCount = Math.floor(50 + params.density * params.complexity * 200);
+
+        for (let i = 0; i < particleCount; i++) {
+            particles.push(new Particle());
+        }
+
+        function animate() {
+            // Clear with alpha for some motion trails
+            ctx.fillStyle = 'rgba(10, 10, 26, 0.1)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            particles.forEach(p => {
+                p.update();
+                p.draw();
+
+                // Occasionally reset particles that have lived too long
+                if (p.life > p.maxLife) {
+                    p.reset();
+                }
+            });
+
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>