birth: Flowing Static Abandon

2026-06-09 17:47:18 +00:00 · 2026-06-09 17:47:18 +00:00 · 18a67013da
commit 18a67013da
parent e6cc994eb3
1 changed files with 150 additions and 0 deletions
--- a/index.html
+++ b/index.html
@ -0,0 +1,150 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Generative Flow Field</title>
+    <style>
+        body, html {
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+            background: #121212;
+            font-family: monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: fixed;
+            bottom: 10px;
+            right: 10px;
+            color: #888;
+            font-size: 10px;
+            pointer-events: 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();
+
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.1, min: 1.0, max: 1.3 },
+            tone: { dryness: 0.8, playfulness: 0.1 }
+        };
+
+        const particles = [];
+        const particleCount = Math.floor(params.density * 500) + 100;
+
+        function getPulse() {
+            return params.pulse.avg + (Math.random() * (params.pulse.max - params.pulse.min) - (params.pulse.max - params.pulse.avg));
+        }
+
+        for (let i = 0; i < particleCount; i++) {
+            particles.push({
+                x: Math.random() * canvas.width,
+                y: Math.random() * canvas.height,
+                vx: 0,
+                vy: 0,
+                size: Math.random() * 2 + 1,
+                opacity: Math.random() * 0.5 + 0.1,
+                hue: Math.random() * 360,
+                speed: getPulse(),
+                lifetime: 0,
+                maxLifetime: 100 + Math.random() * 200,
+                pulse: getPulse(),
+                targetX: Math.random() * canvas.width,
+                targetY: Math.random() * canvas.height
+            });
+        }
+
+        function drawParticle(particle) {
+            ctx.beginPath();
+            ctx.arc(particle.x, particle.y, particle.size * (1 - particle.lifetime / particle.maxLifetime), 0, Math.PI * 2);
+            ctx.fillStyle = `hsla(${particle.hue}, 30%, ${80 - particle.opacity * 30}%, ${particle.opacity * (1 - particle.lifetime / particle.maxLifetime)})`;
+            ctx.fill();
+        }
+
+        function updateParticle(particle, index) {
+            // Fade in/out based on pulse
+            const pulse = particle.pulse;
+            const motionFactor = params.motion * 0.5 + 0.5;
+
+            // Create flow field effect with some disturbance
+            const centerX = canvas.width / 2;
+            const centerY = canvas.height / 2;
+            const distToCenter = Math.sqrt(Math.pow(particle.x - centerX, 2) + Math.pow(particle.y - centerY, 2));
+            const centerFactor = 1 - Math.min(distToCenter / Math.max(centerX, centerY), 1);
+
+            // Base flow toward center
+            const fx = (centerX - particle.x) * 0.0005 * centerFactor;
+            const fy = (centerY - particle.y) * 0.0005 * centerFactor;
+
+            // Add some randomness
+            particle.vx += (fx + (Math.random() - 0.5) * motionFactor * 0.1) * pulse;
+            particle.vy += (fy + (Math.random() - 0.5) * motionFactor * 0.1) * pulse;
+
+            // Apply drag
+            particle.vx *= 0.95;
+            particle.vy *= 0.95;
+
+            // Update position
+            particle.x += particle.vx;
+            particle.y += particle.vy;
+
+            // Bounce off edges with some energy loss
+            if (particle.x < 0 || particle.x > canvas.width) {
+                particle.vx *= -0.8;
+                particle.x = Math.max(0, Math.min(canvas.width, particle.x));
+            }
+            if (particle.y < 0 || particle.y > canvas.height) {
+                particle.vy *= -0.8;
+                particle.y = Math.max(0, Math.min(canvas.height, particle.y));
+            }
+
+            // Update lifetime
+            particle.lifetime++;
+            if (particle.lifetime > particle.maxLifetime) {
+                particle.lifetime = 0;
+                particle.x = Math.random() * canvas.width;
+                particle.y = Math.random() * canvas.height;
+                particle.targetX = Math.random() * canvas.width;
+                particle.targetY = Math.random() * canvas.height;
+            }
+        }
+
+        function animate() {
+            // Clear with semi-transparent background to create trails
+            ctx.fillStyle = 'rgba(18, 18, 18, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Update and draw all particles
+            particles.forEach((particle, index) => {
+                updateParticle(particle, index);
+                drawParticle(particle);
+            });
+
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>