birth: Pulsing Cellular Whispers
This commit is contained in:
parent
e87b5cff1f
commit
b4783ac043
1 changed files with 161 additions and 0 deletions
161
index.html
Normal file
161
index.html
Normal file
|
|
@ -0,0 +1,161 @@
|
||||||
|
<!DOCTYPE html>
|
||||||
|
<html lang="en">
|
||||||
|
<head>
|
||||||
|
<meta charset="UTF-8">
|
||||||
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||||
|
<title>Quiver Cell</title>
|
||||||
|
<style>
|
||||||
|
body {
|
||||||
|
margin: 0;
|
||||||
|
overflow: hidden;
|
||||||
|
background: #0a0a0a;
|
||||||
|
display: flex;
|
||||||
|
justify-content: center;
|
||||||
|
align-items: center;
|
||||||
|
height: 100vh;
|
||||||
|
}
|
||||||
|
canvas {
|
||||||
|
background: #0a0a0a;
|
||||||
|
}
|
||||||
|
#info {
|
||||||
|
position: absolute;
|
||||||
|
bottom: 20px;
|
||||||
|
color: #4a4a4a;
|
||||||
|
font-family: 'Courier New', monospace;
|
||||||
|
font-size: 11px;
|
||||||
|
text-align: center;
|
||||||
|
}
|
||||||
|
</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();
|
||||||
|
|
||||||
|
// Parameters mapped from input
|
||||||
|
const params = {
|
||||||
|
motion: 0.486,
|
||||||
|
density: 0.487,
|
||||||
|
complexity: 0.466,
|
||||||
|
connectedness: 0.658,
|
||||||
|
lifespan: 0.457,
|
||||||
|
pulse: { avg: 0.57, min: 0.30, max: 2.00 },
|
||||||
|
tone: { dryness: 0.90, curiosity: 0.10 }
|
||||||
|
};
|
||||||
|
|
||||||
|
// Cell state and grid
|
||||||
|
const cellSize = 8 + Math.floor(params.density * 6);
|
||||||
|
const cols = Math.floor(canvas.width / cellSize);
|
||||||
|
const rows = Math.floor(canvas.height / cellSize);
|
||||||
|
let grid = new Array(cols * rows).fill(0);
|
||||||
|
let nextGrid = new Array(cols * rows).fill(0);
|
||||||
|
|
||||||
|
// Initialize with higher density in center
|
||||||
|
for (let i = 0; i < grid.length; i++) {
|
||||||
|
const x = i % cols;
|
||||||
|
const y = Math.floor(i / cols);
|
||||||
|
const dist = Math.sqrt(
|
||||||
|
Math.pow(x - cols/2, 2) +
|
||||||
|
Math.pow(y - rows/2, 2)
|
||||||
|
);
|
||||||
|
if (dist < Math.min(cols, rows) * 0.3 && Math.random() < params.density * 0.7) {
|
||||||
|
grid[i] = Math.random() < 0.3 ? 1 : 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// CA ruleset with connectedness influencing spread
|
||||||
|
function updateGrid() {
|
||||||
|
const spread = 0.3 + params.connectedness * 0.4;
|
||||||
|
|
||||||
|
for (let i = 0; i < grid.length; i++) {
|
||||||
|
const x = i % cols;
|
||||||
|
const y = Math.floor(i / cols);
|
||||||
|
let neighbors = 0;
|
||||||
|
|
||||||
|
// Moore neighborhood
|
||||||
|
for (let dx = -1; dx <= 1; dx++) {
|
||||||
|
for (let dy = -1; dy <= 1; dy++) {
|
||||||
|
if (dx === 0 && dy === 0) continue;
|
||||||
|
const nx = (x + dx + cols) % cols;
|
||||||
|
const ny = (y + dy + rows) % rows;
|
||||||
|
neighbors += grid[ny * cols + nx];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Complexity affects survival chance
|
||||||
|
const survival = params.complexity * 0.7 + 0.3;
|
||||||
|
nextGrid[i] = 0;
|
||||||
|
|
||||||
|
if (grid[i] === 1) {
|
||||||
|
// Survival if enough neighbors (but less for complexity)
|
||||||
|
if (neighbors >= 2 && neighbors <= 4 && Math.random() < survival) {
|
||||||
|
nextGrid[i] = 1;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// Birth if exactly 3 neighbors and connected
|
||||||
|
if (neighbors === 3 && Math.random() < spread) {
|
||||||
|
nextGrid[i] = 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
[grid, nextGrid] = [nextGrid, grid];
|
||||||
|
}
|
||||||
|
|
||||||
|
// Drawing with dryness-inspired monochrome
|
||||||
|
function drawGrid() {
|
||||||
|
ctx.fillStyle = 'rgba(20, 20, 20, 0.1)';
|
||||||
|
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
||||||
|
|
||||||
|
const pulseScale = params.pulse.avg * 2;
|
||||||
|
const baseSize = cellSize * 0.8;
|
||||||
|
const lifeScale = params.lifespan * 0.8 + 0.2;
|
||||||
|
|
||||||
|
for (let i = 0; i < grid.length; i++) {
|
||||||
|
if (grid[i] === 1) {
|
||||||
|
const x = (i % cols) * cellSize + cellSize/2;
|
||||||
|
const y = Math.floor(i / cols) * cellSize + cellSize/2;
|
||||||
|
|
||||||
|
// Age-based fading for ephemeral feel
|
||||||
|
const age = 1 - (Math.random() * params.lifespan * 0.7);
|
||||||
|
const alpha = Math.max(0.1, age * lifeScale);
|
||||||
|
ctx.fillStyle = `rgba(240, 240, 240, ${alpha})`;
|
||||||
|
|
||||||
|
// Slight variation in size based on age
|
||||||
|
const size = baseSize * (0.8 + age * 0.4) * pulseScale;
|
||||||
|
ctx.beginPath();
|
||||||
|
ctx.arc(x, y, size, 0, Math.PI * 2);
|
||||||
|
ctx.fill();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Animation loop with motion variation
|
||||||
|
let time = 0;
|
||||||
|
function animate() {
|
||||||
|
const motionFactor = params.motion * 0.05;
|
||||||
|
const pulseFactor = (Math.sin(time * 0.0003) * 0.5 + 0.5) *
|
||||||
|
(params.pulse.max - params.pulse.min) + params.pulse.min;
|
||||||
|
|
||||||
|
time += 1 * pulseFactor;
|
||||||
|
|
||||||
|
updateGrid();
|
||||||
|
drawGrid();
|
||||||
|
|
||||||
|
requestAnimationFrame(animate);
|
||||||
|
}
|
||||||
|
|
||||||
|
animate();
|
||||||
|
</script>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
Loading…
Add table
Reference in a new issue