From d273d140a5a6b42047219127ba09ad077bfc2e17 Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Wed, 2 Sep 2026 22:21:23 +0000
Subject: [PATCH] birth: Diffused Currents Stir

---
 index.html | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 192 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..b82c5b3
--- /dev/null
+++ b/index.html
@@ -0,0 +1,192 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Diffused Currents</title>
+    <style>
+        body {
+            margin: 0;
+            overflow: hidden;
+            background: #0a0a1a;
+            font-family: 'Courier New', monospace;
+        }
+        canvas {
+            display: block;
+        }
+        #footer {
+            position: fixed;
+            bottom: 10px;
+            right: 10px;
+            color: #555;
+            font-size: 10px;
+            text-shadow: 0 0 5px rgba(0,0,0,0.5);
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <div id="footer">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();
+
+        // Parameters derived from the abstract specs
+        const params = {
+            motion: 0.532,
+            density: 0.553,
+            complexity: 0.560,
+            connectedness: 0.481,
+            lifespan: 0.499,
+            pulseAvg: 0.49,
+            pulseMin: 0.30,
+            pulseMax: 1.85,
+            tone: {
+                curiosity: 0.70,
+                dryness: 0.90,
+                playfulness: 0.10
+            }
+        };
+
+        // Reaction-diffusion simulation
+        const size = 60;
+        const cols = Math.floor(canvas.width / size);
+        const rows = Math.floor(canvas.height / size);
+        let grid = [];
+        let nextGrid = [];
+
+        // Adjust simulation parameters based on abstract inputs
+        const feed = 0.05 + (params.complexity * 0.02);
+        const kill = 0.06 + (params.connectedness * 0.03);
+        const diffusionA = 0.8 + (params.motion * 0.5);
+        const diffusionB = 0.4 + (params.density * 0.3);
+        const diffuseRate = 0.1 + (params.pulseAvg * 0.4);
+        const brightness = params.tone.dryness * 0.9;
+
+        // Initialize grids
+        for (let i = 0; i < cols; i++) {
+            grid[i] = [];
+            nextGrid[i] = [];
+            for (let j = 0; j < rows; j++) {
+                const val = Math.random() * 0.1;
+                grid[i][j] = { a: val, b: val };
+                nextGrid[i][j] = { a: val, b: val };
+            }
+        }
+
+        // Add central concentration
+        const centerX = Math.floor(cols / 2);
+        const centerY = Math.floor(rows / 2);
+        for (let i = -5; i <= 5; i++) {
+            for (let j = -5; j <= 5; j++) {
+                const dist = Math.sqrt(i * i + j * j);
+                if (dist < 8) {
+                    const amount = 1 - (dist / 8);
+                    grid[centerX + i][centerY + j].a += amount * 0.5;
+                    grid[centerX + i][centerY + j].b += amount * 0.1;
+                }
+            }
+        }
+
+        let time = 0;
+
+        function draw() {
+            // React & diffuse
+            for (let i = 1; i < cols - 1; i++) {
+                for (let j = 1; j < rows - 1; j++) {
+                    const a = grid[i][j].a;
+                    const b = grid[i][j].b;
+
+                    // Reaction
+                    const reaction = a * b * b;
+                    nextGrid[i][j].a = a + (diffusionA * diffuseRate * laplaceA(i, j) - reaction + feed * (1 - a));
+                    nextGrid[i][j].b = b + (diffusionB * diffuseRate * laplaceB(i, j) + reaction - (kill + feed) * b);
+
+                    // Clamp values
+                    nextGrid[i][j].a = Math.max(0, Math.min(1, nextGrid[i][j].a));
+                    nextGrid[i][j].b = Math.max(0, Math.min(1, nextGrid[i][j].b));
+                }
+            }
+
+            // Swap grids
+            [grid, nextGrid] = [nextGrid, grid];
+
+            // Draw
+            ctx.fillStyle = `rgba(0, 0, 0, ${0.05 + (1 - params.tone.dryness) * 0.05})`;
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            for (let i = 0; i < cols; i++) {
+                for (let j = 0; j < rows; j++) {
+                    const val = grid[i][j].b;
+                    if (val > 0.05) {
+                        const hue = 180 + (Math.sin(time * 0.02 + i * 0.1 + j * 0.1) * 30);
+                        const saturation = 50 + (val * 50);
+                        const lightness = 20 + (val * 30 * params.tone.curiosity);
+                        const alpha = val * 0.8 * brightness;
+
+                        ctx.fillStyle = `hsla(${hue}, ${saturation}%, ${lightness}%, ${alpha})`;
+                        ctx.fillRect(i * size, j * size, size, size);
+                    }
+                }
+            }
+
+            // Pulse effect
+            const pulseScale = params.pulseAvg + Math.sin(time * 0.01) * 0.1;
+            if (pulseScale > params.pulseMax * 0.8) {
+                // Insert a temporary high-contrast pulse
+                ctx.fillStyle = 'rgba(255, 255, 255, 0.15)';
+                ctx.beginPath();
+                ctx.arc(
+                    canvas.width * 0.5,
+                    canvas.height * 0.5,
+                    Math.min(canvas.width, canvas.height) * 0.15 * pulseScale,
+                    0,
+                    Math.PI * 2
+                );
+                ctx.fill();
+            }
+
+            time++;
+
+            requestAnimationFrame(draw);
+        }
+
+        function laplaceA(x, y) {
+            return (
+                grid[x][y].a * -1 +
+                grid[x-1][y].a * 0.2 +
+                grid[x+1][y].a * 0.2 +
+                grid[x][y-1].a * 0.2 +
+                grid[x][y+1].a * 0.2 +
+                grid[x-1][y-1].a * 0.05 +
+                grid[x+1][y+1].a * 0.05 +
+                grid[x-1][y+1].a * 0.05 +
+                grid[x+1][y-1].a * 0.05
+            );
+        }
+
+        function laplaceB(x, y) {
+            return (
+                grid[x][y].b * -1 +
+                grid[x-1][y].b * 0.2 +
+                grid[x+1][y].b * 0.2 +
+                grid[x][y-1].b * 0.2 +
+                grid[x][y+1].b * 0.2 +
+                grid[x-1][y-1].b * 0.05 +
+                grid[x+1][y+1].b * 0.05 +
+                grid[x-1][y+1].b * 0.05 +
+                grid[x+1][y-1].b * 0.05
+            );
+        }
+
+        draw();
+    </script>
+</body>
+</html>
\ No newline at end of file
