birth: Whispering Teal Particles

2026-06-03 01:47:17 +00:00 · 2026-06-03 01:47:17 +00:00 · 1002789082
commit 1002789082
parent bddbcdd5fe
1 changed files with 144 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,144 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba Particle Dance</title>
+    <style>
+        body { margin: 0; overflow: hidden; background: #0a0a0a; font-family: monospace; }
+        canvas { display: block; }
+        #attribution { position: fixed; bottom: 10px; right: 10px; color: #555; 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');
+
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Configuration derived from parameters
+        const config = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.1, min: 1.0, max: 1.2 },
+            tone: {
+                anger: 0.0,
+                sadness: 0.0,
+                curiosity: 0.7,
+                dryness: 0.9,
+                playfulness: 0.1,
+                tension: 0.0
+            }
+        };
+
+        // Palette based on tone
+        const palette = [
+            { r: 200, g: 255, b: 220 },  // curiosity (teal)
+            { r: 220, g: 220, b: 220 },  // dryness (white)
+            { r: 180, g: 220, b: 200 }   // muted curiosity
+        ];
+
+        // Particle system parameters
+        const particleCount = Math.floor(config.density * 300) + 100;
+        const maxSpeed = 1 + config.motion * 3;
+        const connectionDistance = 100 + config.connectedness * 150;
+        const particleSize = 1 + config.complexity * 2;
+        const trailLength = Math.floor(config.lifespan * 10) + 5;
+
+        class Particle {
+            constructor() {
+                this.x = Math.random() * canvas.width;
+                this.y = Math.random() * canvas.height;
+                this.vx = (Math.random() - 0.5) * maxSpeed;
+                this.vy = (Math.random() - 0.5) * maxSpeed;
+                this.color = palette[Math.floor(Math.random() * palette.length)];
+                this.trail = [];
+                this.life = 0;
+                this.pulse = config.pulse.avg * (0.9 + Math.random() * 0.2);
+            }
+
+            update() {
+                this.x += this.vx * config.pulse.avg;
+                this.y += this.vy * config.pulse.avg;
+
+                // Wrap around edges
+                if (this.x < 0) this.x = canvas.width;
+                if (this.x > canvas.width) this.x = 0;
+                if (this.y < 0) this.y = canvas.height;
+                if (this.y > canvas.height) this.y = 0;
+
+                // Add to trail
+                this.trail.push({ x: this.x, y: this.y });
+                if (this.trail.length > trailLength) {
+                    this.trail.shift();
+                }
+
+                this.life++;
+            }
+
+            draw() {
+                // Draw trail
+                for (let i = 0; i < this.trail.length; i++) {
+                    const point = this.trail[i];
+                    const size = particleSize * (0.3 + (i / this.trail.length) * 0.7);
+                    const alpha = i / this.trail.length * 0.8;
+                    ctx.fillStyle = `rgba(${this.color.r}, ${this.color.g}, ${this.color.b}, ${alpha})`;
+                    ctx.beginPath();
+                    ctx.arc(point.x, point.y, size, 0, Math.PI * 2);
+                    ctx.fill();
+                }
+            }
+        }
+
+        const particles = Array(particleCount).fill().map(() => new Particle());
+
+        function animate() {
+            // Dim background
+            ctx.fillStyle = 'rgba(10, 10, 10, 0.1)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update and draw particles
+            particles.forEach(p => p.update());
+            particles.forEach(p => p.draw());
+
+            // Draw connections
+            ctx.strokeStyle = `rgba(180, 220, 200, 0.1)`;
+            ctx.lineWidth = 0.5;
+
+            for (let i = 0; i < particles.length; i++) {
+                for (let j = i + 1; j < particles.length; j++) {
+                    const p1 = particles[i];
+                    const p2 = particles[j];
+                    const dx = p1.x - p2.x;
+                    const dy = p1.y - p2.y;
+                    const distance = Math.sqrt(dx * dx + dy * dy);
+
+                    if (distance < connectionDistance) {
+                        ctx.globalAlpha = 1 - (distance / connectionDistance);
+                        ctx.beginPath();
+                        ctx.moveTo(p1.x, p1.y);
+                        ctx.lineTo(p2.x, p2.y);
+                        ctx.stroke();
+                    }
+                }
+            }
+
+            ctx.globalAlpha = 1;
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>