From e1d7145618e2903c982aa15864d82275443c4699 Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Wed, 20 May 2026 09:47:21 +0000
Subject: [PATCH] birth: Flowing Monochrome Constellations

---
 index.html | 185 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..8da3ad1
--- /dev/null
+++ b/index.html
@@ -0,0 +1,185 @@
+<!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; }
+        canvas { display: block; }
+        .attribution { position: absolute; bottom: 10px; right: 10px; color: #444; font-family: monospace; font-size: 10px; }
+    </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');
+
+        function resizeCanvas() {
+            canvas.width = window.innerWidth;
+            canvas.height = window.innerHeight;
+        }
+        window.addEventListener('resize', resizeCanvas);
+        resizeCanvas();
+
+        // Organism parameters
+        const params = {
+            motion: 0.5,
+            density: 0.5,
+            complexity: 0.5,
+            connectedness: 0.5,
+            lifespan: 0.5,
+            pulse: { avg: 1.03, min: 0.8, max: 1.2 },
+            tone: { anger: 0.0, sadness: 0.0, curiosity: 0.1, dryness: 0.9, playfulness: 0.0, tension: 0.0 }
+        };
+
+        // Flow field parameters
+        const particleCount = Math.floor(100 + params.density * 200);
+        const particles = [];
+        const gridSize = 20;
+        const flowField = [];
+        const flowStrength = 0.1 + params.motion * 0.2;
+        const noiseScale = 0.05;
+
+        // Initialize particles
+        function initParticles() {
+            particles.length = 0;
+            for (let i = 0; i < particleCount; i++) {
+                particles.push({
+                    x: Math.random() * canvas.width,
+                    y: Math.random() * canvas.height,
+                    speed: 0.5 + Math.random() * 1.5,
+                    size: 1 + Math.random() * 2,
+                    hue: 0,
+                    life: 0,
+                    maxLife: 100 + Math.random() * 200
+                });
+            }
+        }
+        initParticles();
+
+        // Initialize flow field
+        function initFlowField() {
+            flowField.length = 0;
+            for (let y = 0; y < canvas.height / gridSize; y++) {
+                for (let x = 0; x < canvas.width / gridSize; x++) {
+                    const angle = Math.random() * Math.PI * 2;
+                    flowField.push({
+                        vx: Math.cos(angle) * flowStrength,
+                        vy: Math.sin(angle) * flowStrength
+                    });
+                }
+            }
+        }
+        initFlowField();
+
+        // Noise-based flow field
+        function updateFlowField(time) {
+            flowField.forEach((cell, i) => {
+                const x = (i % (canvas.width / gridSize)) * gridSize;
+                const y = Math.floor(i / (canvas.width / gridSize)) * gridSize;
+                const n = noise(x * noiseScale, y * noiseScale, time * 0.0005);
+                const angle = n * Math.PI * 8;
+                cell.vx = Math.cos(angle) * flowStrength;
+                cell.vy = Math.sin(angle) * flowStrength;
+            });
+        }
+
+        // Particle movement
+        function updateParticles(time) {
+            particles.forEach(particle => {
+                // Get flow field value
+                const gridX = Math.floor(particle.x / gridSize);
+                const gridY = Math.floor(particle.y / gridSize);
+                const index = gridY * (canvas.width / gridSize) + gridX;
+
+                if (index >= 0 && index < flowField.length) {
+                    // Blend with current velocity
+                    const currentVx = particle.x - (particle.prevX || particle.x);
+                    const currentVy = particle.y - (particle.prevY || particle.y);
+
+                    particle.prevX = particle.x;
+                    particle.prevY = particle.y;
+
+                    particle.x += (currentVx + flowField[index].vx * particle.speed) * 0.5;
+                    particle.y += (currentVy + flowField[index].vy * particle.speed) * 0.5;
+                }
+
+                // Wrap around edges
+                if (particle.x < 0) particle.x = canvas.width;
+                if (particle.x > canvas.width) particle.x = 0;
+                if (particle.y < 0) particle.y = canvas.height;
+                if (particle.y > canvas.height) particle.y = 0;
+
+                // Update life
+                particle.life++;
+                if (particle.life > particle.maxLife) {
+                    particle.x = Math.random() * canvas.width;
+                    particle.y = Math.random() * canvas.height;
+                    particle.life = 0;
+                }
+            });
+        }
+
+        // Drawing
+        function draw(time) {
+            // Fade background
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.02)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            // Draw particles
+            ctx.lineCap = 'round';
+            particles.forEach(particle => {
+                const t = particle.life / particle.maxLife;
+                const pulse = params.pulse.avg + Math.sin(time * 0.001) * 0.1;
+
+                ctx.lineWidth = particle.size * (0.3 + t * 0.7) * pulse;
+                ctx.strokeStyle = `hsl(0, 0%, ${80 + Math.sin(t * Math.PI * 2) * 20}%)`;
+                ctx.beginPath();
+                ctx.moveTo(particle.prevX || particle.x, particle.prevY || particle.y);
+                ctx.lineTo(particle.x, particle.y);
+                ctx.stroke();
+            });
+
+            // Draw flow field (subtle)
+            if (time % 20 < 1) {
+                ctx.strokeStyle = 'rgba(255,255,255,0.02)';
+                ctx.lineWidth = 0.5;
+
+                for (let y = 0; y < canvas.height; y += 20) {
+                    for (let x = 0; x < canvas.width; x += 20) {
+                        const index = (Math.floor(y/gridSize) * (canvas.width/gridSize)) + Math.floor(x/gridSize);
+                        if (index < flowField.length) {
+                            const len = Math.sqrt(flowField[index].vx ** 2 + flowField[index].vy ** 2) * 2;
+                            ctx.beginPath();
+                            ctx.moveTo(x, y);
+                            ctx.lineTo(x + flowField[index].vx * len, y + flowField[index].vy * len);
+                            ctx.stroke();
+                        }
+                    }
+                }
+            }
+        }
+
+        function animate(time) {
+            updateFlowField(time);
+            updateParticles(time);
+            draw(time);
+            requestAnimationFrame(animate);
+        }
+        animate(0);
+
+        // Handle window focus/blur to pause/resume
+        document.addEventListener('visibilitychange', () => {
+            if (document.hidden) {
+                // Pause
+            } else {
+                // Resume
+                initParticles();
+            }
+        });
+    </script>
+</body>
+</html>
\ No newline at end of file
