From 04c614e810899fd99df1f3233b104608cca9d4a1 Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Tue, 31 Mar 2026 05:47:16 +0000
Subject: [PATCH] birth: Organic currents in twilight

---
 index.html | 213 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 213 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..ab5dfc5
--- /dev/null
+++ b/index.html
@@ -0,0 +1,213 @@
+<!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;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #attribution {
+            position: absolute;
+            bottom: 10px;
+            right: 10px;
+            color: #444;
+            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();
+
+        // Flow field parameters
+        const particleCount = 140;
+        const particles = [];
+        const flowResolution = 20;
+        const field = new Array(flowResolution * flowResolution);
+        const fieldStrength = 0.482;
+        const decayRate = 0.97;
+        const pulse = { current: 0.6, target: 0.6, speed: 0.02 };
+
+        // Tone mapping
+        const palette = {
+            background: '#0a0a0a',
+            particles: '#ffffff',
+            flowLines: '#333333'
+        };
+
+        class Particle {
+            constructor() {
+                this.reset();
+                this.size = 0.5 + Math.random() * 0.5;
+                this.speed = 0.5 + Math.random() * 2;
+            }
+
+            reset() {
+                this.pos = {
+                    x: Math.random(),
+                    y: Math.random()
+                };
+                this.vel = {
+                    x: 0,
+                    y: 0
+                };
+                this.life = 1;
+                this.trail = [];
+            }
+
+            update() {
+                const gridX = Math.floor(this.pos.x * flowResolution) % flowResolution;
+                const gridY = Math.floor(this.pos.y * flowResolution) % flowResolution;
+                const index = gridY * flowResolution + gridX;
+                const flow = field[index];
+
+                // Apply flow field with some randomness
+                this.vel.x = (flow.x * fieldStrength) + (Math.random() - 0.5) * 0.3;
+                this.vel.y = (flow.y * fieldStrength) + (Math.random() - 0.5) * 0.3;
+
+                // Update position with speed factor
+                this.pos.x += this.vel.x * this.speed * pulse.current;
+                this.pos.y += this.vel.y * this.speed * pulse.current;
+
+                // Boundary check
+                if (this.pos.x < 0 || this.pos.x > 1 || this.pos.y < 0 || this.pos.y > 1) {
+                    this.reset();
+                }
+
+                // Update life
+                this.life *= decayRate;
+            }
+
+            draw() {
+                if (this.life < 0.01) return;
+
+                // Trail
+                this.trail.push({...this.pos, life: this.life});
+                if (this.trail.length > 20) this.trail.shift();
+
+                // Main particle
+                ctx.beginPath();
+                ctx.arc(
+                    this.pos.x * canvas.width,
+                    this.pos.y * canvas.height,
+                    this.size * 3 * this.life,
+                    0,
+                    Math.PI * 2
+                );
+                ctx.fillStyle = `rgba(255, 255, 255, ${this.life * 0.8})`;
+                ctx.fill();
+
+                // Trail
+                ctx.beginPath();
+                this.trail.forEach((point, i) => {
+                    const alpha = point.life * (i / this.trail.length) * 0.5;
+                    ctx.lineWidth = this.size * 2 * alpha;
+                    ctx.moveTo(point.x * canvas.width, point.y * canvas.height);
+                    const next = this.trail[i + 1];
+                    if (next) {
+                        ctx.lineTo(next.x * canvas.width, next.y * canvas.height);
+                    }
+                });
+                ctx.strokeStyle = `rgba(255, 255, 255, ${this.life * 0.3})`;
+                ctx.stroke();
+            }
+        }
+
+        function initFlowField() {
+            for (let i = 0; i < field.length; i++) {
+                field[i] = {
+                    x: Math.random() * 2 - 1,
+                    y: Math.random() * 2 - 1
+                };
+            }
+        }
+
+        function updateFlowField() {
+            // Simulate fluid dynamics - slowly converge to organized flow
+            for (let i = 0; i < field.length; i++) {
+                const x = i % flowResolution;
+                const y = Math.floor(i / flowResolution);
+
+                // Neighbor influence
+                let avgX = 0, avgY = 0;
+                let count = 0;
+
+                for (let nx = -1; nx <= 1; nx++) {
+                    for (let ny = -1; ny <= 1; ny++) {
+                        if (nx === 0 && ny === 0) continue;
+                        const nx2 = (x + nx + flowResolution) % flowResolution;
+                        const ny2 = (y + ny + flowResolution) % flowResolution;
+                        const ni = ny2 * flowResolution + nx2;
+
+                        avgX += field[ni].x;
+                        avgY += field[ni].y;
+                        count++;
+                    }
+                }
+
+                field[i].x = field[i].x * 0.8 + (avgX / count) * 0.2;
+                field[i].y = field[i].y * 0.8 + (avgY / count) * 0.2;
+            }
+
+            // Add some organic variation
+            for (let i = 0; i < field.length * 0.05; i++) {
+                const idx = Math.floor(Math.random() * field.length);
+                field[idx].x += (Math.random() - 0.5) * 0.2;
+                field[idx].y += (Math.random() - 0.5) * 0.2;
+            }
+        }
+
+        function initParticles() {
+            for (let i = 0; i < particleCount; i++) {
+                particles.push(new Particle());
+            }
+        }
+
+        function updatePulse() {
+            if (Math.random() < 0.01) {
+                pulse.target = 0.3 + Math.random() * 1.7;
+            }
+            pulse.current += (pulse.target - pulse.current) * pulse.speed;
+        }
+
+        function animate() {
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            updateFlowField();
+            updatePulse();
+
+            particles.forEach(p => {
+                p.update();
+                p.draw();
+            });
+
+            requestAnimationFrame(animate);
+        }
+
+        initFlowField();
+        initParticles();
+        animate();
+    </script>
+</body>
+</html>
\ No newline at end of file
