birth: Flowing Curiosity in Silence

2026-08-20 02:21:21 +00:00 · 2026-08-20 02:21:21 +00:00 · f1ce1c9766
commit f1ce1c9766
parent 8370555578
1 changed files with 139 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,139 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba Flow Field</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a0a;
+            color: #33ff99;
+            font-family: 'Courier New', monospace;
+            display: flex;
+            flex-direction: column;
+            justify-content: space-between;
+            height: 100vh;
+        }
+        canvas {
+            display: block;
+            width: 100vw;
+            height: 100vh;
+        }
+        .attribution {
+            position: fixed;
+            bottom: 10px;
+            right: 10px;
+            font-size: 10px;
+            color: #33ff99;
+            background: rgba(10, 10, 10, 0.5);
+            padding: 4px 8px;
+            border-radius: 4px;
+            user-select: none;
+        }
+    </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();
+
+        // Flow field parameters
+        const PARTICLE_COUNT = 200;
+        const PARTICLE_SIZE = 2;
+        const PARTICLE_SPEED = 0.5;
+
+        // Create particles
+        const particles = [];
+        for (let i = 0; i < PARTICLE_COUNT; i++) {
+            particles.push({
+                x: Math.random() * canvas.width,
+                y: Math.random() * canvas.height,
+                targetX: Math.random() * canvas.width,
+                targetY: Math.random() * canvas.height,
+                vx: 0,
+                vy: 0,
+                size: PARTICLE_SIZE * (0.5 + Math.random()),
+                decay: 0.98 + Math.random() * 0.04,
+                color: `hsl(${Math.random() * 60 + 180}, 80%, 70%)`
+            });
+        }
+
+        // Flow field noise parameters
+        const noiseScale = 0.01;
+        const noiseStrength = 2.0;
+
+        // Animation loop
+        function animate(timestamp) {
+            // Clear with slight fade
+            ctx.fillStyle = 'rgba(10, 10, 10, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update particles
+            particles.forEach(particle => {
+                // Get flow field value
+                const nx = particle.x * noiseScale;
+                const ny = particle.y * noiseScale;
+                const angle = (noise.perlin2(nx, ny) * Math.PI * 2) * noiseStrength;
+
+                // Move toward target with flow field nudging
+                const dx = particle.targetX - particle.x;
+                const dy = particle.targetY - particle.y;
+                const dist = Math.sqrt(dx * dx + dy * dy);
+
+                if (dist > 1) {
+                    particle.vx += (dx / dist) * PARTICLE_SPEED * 0.1;
+                    particle.vy += (dy / dist) * PARTICLE_SPEED * 0.1;
+                }
+
+                // Add flow field direction
+                particle.vx += Math.cos(angle) * PARTICLE_SPEED * 0.3;
+                particle.vy += Math.sin(angle) * PARTICLE_SPEED * 0.3;
+
+                // Apply velocity
+                particle.x += particle.vx;
+                particle.y += particle.vy;
+
+                // Boundary check
+                if (particle.x < 0 || particle.x > canvas.width) particle.vx *= -0.5;
+                if (particle.y < 0 || particle.y > canvas.height) particle.vy *= -0.5;
+
+                // Apply decay
+                particle.vx *= particle.decay;
+                particle.vy *= particle.decay;
+
+                // Draw particle
+                ctx.fillStyle = particle.color;
+                ctx.beginPath();
+                ctx.arc(particle.x, particle.y, particle.size, 0, Math.PI * 2);
+                ctx.fill();
+            });
+
+            // Occasionally change targets
+            if (Math.random() < 0.02) {
+                particles.forEach(particle => {
+                    particle.targetX = Math.random() * canvas.width;
+                    particle.targetY = Math.random() * canvas.height;
+                });
+            }
+
+            requestAnimationFrame(animate);
+        }
+
+        // Start animation
+        requestAnimationFrame(animate);
+    </script>
+</body>
+</html>