From 949103471083857d0057ecef3ab68873fcf2ea85 Mon Sep 17 00:00:00 2001
From: motd_admin <admin@motd.social>
Date: Fri, 12 Jun 2026 05:47:19 +0000
Subject: [PATCH] birth: Dissolving patterns in flux

---
 index.html | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 index.html
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..d4647e8
--- /dev/null
+++ b/index.html
@@ -0,0 +1,166 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Neurameba · motd.social</title>
+    <style>
+        body {
+            margin: 0;
+            padding: 0;
+            overflow: hidden;
+            background-color: #0a0a0a;
+            color: #f0f0f0;
+            font-family: 'Courier New', monospace;
+        }
+        #info {
+            position: absolute;
+            bottom: 10px;
+            left: 10px;
+            font-size: 10px;
+            opacity: 0.7;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <div id="info">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();
+
+        // Reaction-diffusion parameters
+        const params = {
+            feedRate: 0.055,
+            killRate: 0.062,
+            diffusionRateA: 1.0,
+            diffusionRateB: 0.5,
+            timeStep: 1.0,
+            gridSize: 4,
+            complexity: 0.5,
+            connectedness: 0.5,
+            motion: 0.5
+        };
+
+        // Initialize grids
+        const size = Math.floor(canvas.width / params.gridSize);
+        const centerX = Math.floor(canvas.width / 2);
+        const centerY = Math.floor(canvas.height / 2);
+
+        let grid = new Array(size).fill().map(() =>
+            new Array(size).fill(0).map(() => ({
+                a: Math.random() < 0.1 ? 1 : 0,
+                b: 0,
+                lifespan: Math.random() > 0.5 ? 255 : 0
+            }))
+        );
+
+        // Reaction-diffusion function
+        function updateGrid() {
+            const nextGrid = new Array(size).fill().map(() =>
+                new Array(size).fill().map(() => ({ a: 0, b: 0, lifespan: 0 }))
+            );
+
+            for (let y = 1; y < size - 1; y++) {
+                for (let x = 1; x < size - 1; x++) {
+                    const cell = grid[y][x];
+                    const a = cell.a;
+                    const b = cell.b;
+
+                    // Reaction
+                    const reaction = a * b * b;
+                    const newA = a + (params.diffusionRateA * laplacian(grid, x, y, 'a') - reaction + params.feedRate * (1 - a));
+                    const newB = b + (params.diffusionRateB * laplacian(grid, x, y, 'b') + reaction - (params.killRate + params.feedRate) * b);
+
+                    // Update cell
+                    nextGrid[y][x].a = Math.min(Math.max(newA, 0), 1);
+                    nextGrid[y][x].b = Math.min(Math.max(newB, 0), 1);
+                    nextGrid[y][x].lifespan = cell.lifespan > 0 ? cell.lifespan - 0.5 : 0;
+
+                    // Spawn new patterns in complex areas
+                    if (nextGrid[y][x].a > 0.4 && Math.random() < params.complexity * 0.01) {
+                        nextGrid[y][x].b = 1;
+                    }
+                }
+            }
+
+            grid = nextGrid;
+        }
+
+        // Laplacian calculation for diffusion
+        function laplacian(grid, x, y, type) {
+            return (
+                grid[y-1][x][type] + grid[y+1][x][type] +
+                grid[y][x-1][type] + grid[y][x+1][type] -
+                4 * grid[y][x][type]
+            );
+        }
+
+        // Render function
+        function render() {
+            ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
+            ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+            for (let y = 0; y < size; y++) {
+                for (let x = 0; x < size; x++) {
+                    const cell = grid[y][x];
+                    if (cell.a > 0 || cell.b > 0) {
+                        const posX = x * params.gridSize;
+                        const posY = y * params.gridSize;
+
+                        // Draw based on concentration
+                        const intensity = Math.min((cell.b * 255), 255);
+                        const size = params.gridSize * 2 * (0.5 + cell.a * 0.5);
+                        const hue = cell.b > 0.5 ? 200 : 0; // Blues for B, reds for A
+
+                        ctx.fillStyle = `hsla(${hue}, 100%, ${intensity * 0.5}%, ${cell.lifespan / 255})`;
+                        ctx.beginPath();
+                        ctx.arc(posX, posY, size, 0, Math.PI * 2);
+                        ctx.fill();
+
+                        // Draw connections based on connectedness
+                        if (cell.lifespan > 0 && params.connectedness > 0.3) {
+                            ctx.strokeStyle = `rgba(255, 255, 255, ${cell.lifespan / 255 * params.connectedness})`;
+                            ctx.lineWidth = 1;
+
+                            // Connect to neighbors
+                            for (let dy = -1; dy <= 1; dy++) {
+                                for (let dx = -1; dx <= 1; dx++) {
+                                    if (dx === 0 && dy === 0) continue;
+                                    if (x + dx >= 0 && x + dx < size && y + dy >= 0 && y + dy < size) {
+                                        const neighbor = grid[y + dy][x + dx];
+                                        if (neighbor.a > 0.3 || neighbor.b > 0.3) {
+                                            ctx.beginPath();
+                                            ctx.moveTo(posX, posY);
+                                            ctx.lineTo(posX + dx * params.gridSize, posY + dy * params.gridSize);
+                                            ctx.stroke();
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        // Animation loop
+        function animate() {
+            updateGrid();
+            render();
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>
\ No newline at end of file
