birth: Flowing Electric Smoke

2026-06-23 09:47:19 +00:00 · 2026-06-23 09:47:19 +00:00 · 0520414b98
commit 0520414b98
parent 3350a7891d
1 changed files with 160 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,160 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Flow Field Organism</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            height: 100vh;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: absolute;
+            bottom: 10px;
+            right: 10px;
+            color: #555;
+            font-family: monospace;
+            font-size: 10px;
+            text-shadow: 0 0 2px #000;
+        }
+    </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();
+
+        // Flow field parameters
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.25, min: 1.0, max: 1.55 },
+            tone: {
+                anger: 0.0,
+                sadness: 0.0,
+                curiosity: 0.1,
+                dryness: 0.9,
+                playfulness: 0.0,
+                tension: 0.0
+            }
+        };
+
+        // Particle system
+        const particles = [];
+        const particleCount = Math.floor(100 + params.density * 200);
+        const baseSize = 1 + params.complexity * 2;
+        const maxLife = 200 + params.lifespan * 300;
+        const speed = 0.2 + params.motion * 0.8;
+        const turbulence = 0.05 + params.complexity * 0.1;
+        const connectivity = params.connectedness;
+
+        class Particle {
+            constructor() {
+                this.reset();
+                this.life = 0;
+            }
+
+            reset() {
+                this.x = Math.random() * canvas.width;
+                this.y = Math.random() * canvas.height;
+                this.size = baseSize * (0.5 + Math.random() * 0.5);
+                this.angle = Math.random() * Math.PI * 2;
+                this.velocity = {
+                    x: Math.cos(this.angle) * speed,
+                    y: Math.sin(this.angle) * speed
+                };
+                this.targetX = this.x;
+                this.targetY = this.y;
+                this.color = `rgba(200, 200, 200, ${0.1 + params.tone.dryness * 0.9})`;
+            }
+
+            update() {
+                // Flow field influence
+                const noiseX = (this.x * 0.01 + Date.now() * 0.0003) % 1;
+                const noiseY = (this.y * 0.01 + Date.now() * 0.0003) % 1;
+
+                const flowX = Math.sin(noiseX * Math.PI * 2) * turbulence;
+                const flowY = Math.cos(noiseY * Math.PI * 2) * turbulence;
+
+                this.velocity.x += flowX;
+                this.velocity.y += flowY;
+
+                // Pulse effect
+                const pulseFactor = params.pulse.avg + Math.sin(Date.now() * 0.002) * 0.1;
+                this.velocity.x *= pulseFactor;
+                this.velocity.y *= pulseFactor;
+
+                // Movement
+                this.x += this.velocity.x;
+                this.y += this.velocity.y;
+
+                // Boundary conditions
+                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;
+
+                // Lifespan
+                this.life++;
+                if (this.life > maxLife) {
+                    this.reset();
+                    this.life = 0;
+                }
+
+                // Fade out when near death
+                const alpha = 1 - (this.life / maxLife);
+                this.color = `rgba(200, 200, 200, ${alpha * (0.1 + params.tone.dryness * 0.9)})`;
+            }
+
+            draw() {
+                ctx.beginPath();
+                ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
+                ctx.fillStyle = this.color;
+                ctx.fill();
+            }
+        }
+
+        // Initialize particles
+        for (let i = 0; i < particleCount; i++) {
+            particles.push(new Particle());
+        }
+
+        function animate() {
+            // Dark background
+            ctx.fillStyle = 'rgba(10, 10, 10, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update and draw particles
+            particles.forEach(p => {
+                p.update();
+                p.draw();
+            });
+
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>