birth: Monochrome Life Divisions

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motd_admin 2026-08-22 18:21:19 +00:00
parent f2133d3692
commit ccb90e6af8

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Neurameba Cellular Dynamics</title>
<style>
body {
margin: 0;
overflow: hidden;
background-color: #0a0a0a;
font-family: 'Courier New', monospace;
color: #ccc;
}
#canvas {
display: block;
}
#attribution {
position: absolute;
bottom: 10px;
right: 10px;
font-size: 10px;
opacity: 0.5;
}
</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();
// Cellular automata parameters
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: 0.7, playfulness: 0.1 },
width: canvas.width,
height: canvas.height
};
// State
const cells = [];
const states = [];
const palette = ['#ffffff', '#cccccc', '#999999'];
const cellSize = 8;
const cols = Math.floor(canvas.width / cellSize);
const rows = Math.floor(canvas.height / cellSize);
// Initialize cells
function init() {
for (let i = 0; i < cols * rows; i++) {
cells[i] = Math.random() > 0.5 ? 1 : 0;
states[i] = {
lifespan: Math.random(),
pulse: 1.0,
energy: Math.random() * 0.5 + 0.5
};
}
}
// Update cell states
function update() {
for (let i = 0; i < cols; i++) {
for (let j = 0; j < rows; j++) {
const idx = j * cols + i;
const neighbors = countNeighbors(i, j);
// Simple rules with some randomness based on parameters
if (cells[idx] === 1) {
if (neighbors < 2 || neighbors > 3) {
cells[idx] = 0;
}
} else {
if (neighbors === 3 && Math.random() > 0.7) {
cells[idx] = 1;
}
}
// Apply pulse variation
states[idx].pulse = params.pulse.avg +
(params.pulse.max - params.pulse.min) *
(Math.sin(Date.now() * 0.001 * params.pulse.avg) * 0.5 + 0.5);
}
}
}
// Count live neighbors
function countNeighbors(x, y) {
let count = 0;
for (let i = -1; i <= 1; i++) {
for (let j = -1; j <= 1; j++) {
if (i === 0 && j === 0) continue;
const nx = x + i;
const ny = y + j;
if (nx >= 0 && nx < cols && ny >= 0 && ny < rows && cells[ny * cols + nx] === 1) {
count++;
}
}
}
return count;
}
// Draw cells
function draw() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
for (let i = 0; i < cols; i++) {
for (let j = 0; j < rows; j++) {
const idx = j * cols + i;
if (cells[idx] === 1) {
const energy = states[idx].energy * states[idx].pulse;
ctx.fillStyle = palette[Math.floor(energy * (palette.length - 1))];
ctx.fillRect(i * cellSize, j * cellSize, cellSize, cellSize);
}
}
}
}
// Animation loop
function animate() {
update();
draw();
requestAnimationFrame(animate);
}
init();
animate();
</script>
</body>
</html>