birth: silent fractures in motion

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motd_admin 2026-04-01 17:47:19 +00:00
parent ff70e08343
commit a139933f7f

175
index.html Normal file
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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>voronameba</title>
<style>
body { margin: 0; overflow: hidden; background: #000; }
canvas { display: block; }
#attribution { position: absolute; bottom: 10px; right: 10px; color: #333; font-family: monospace; font-size: 10px; }
</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 resize() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
window.addEventListener('resize', resize);
resize();
// Parameters
const params = {
motion: 0.5,
density: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulse: { avg: 1.12, min: 0.9, max: 1.3 }
};
// Palette (dryness=monochrome, curiosity=teals)
const palette = [
'#f0f0f0', // light teal-like
'#d0d0d0',
'#a0a0a0',
'#707070',
'#404040'
];
// Voronoi state
const sites = [];
const cells = [];
let time = 0;
let pulse = params.pulse.avg;
// Initialize sites
function initSites() {
const count = Math.floor(params.density * 200) + 50;
sites.length = 0;
for (let i = 0; i < count; i++) {
sites.push({
x: Math.random() * canvas.width,
y: Math.random() * canvas.height,
vx: (Math.random() - 0.5) * params.motion * 2,
vy: (Math.random() - 0.5) * params.motion * 2,
life: 1
});
}
calculateVoronoi();
}
// Basic Voronoi calculation (simplified)
function calculateVoronoi() {
cells.length = 0;
for (const site of sites) {
const cell = {
site: site,
points: [],
edges: []
};
// Find neighboring sites (simplified)
const neighbors = [];
for (const other of sites) {
if (other !== site) {
const dx = other.x - site.x;
const dy = other.y - site.y;
const dist = Math.sqrt(dx*dx + dy*dy);
if (dist < 100) {
neighbors.push(other);
}
}
}
// Create cell boundary points (simplified)
for (const neighbor of neighbors) {
const dx = neighbor.x - site.x;
const dy = neighbor.y - site.y;
const dist = Math.sqrt(dx*dx + dy*dy);
const steps = Math.floor(dist * 0.2);
for (let i = 0; i <= steps; i++) {
const t = i / steps;
cell.points.push({
x: site.x + dx * t,
y: site.y + dy * t
});
}
}
cells.push(cell);
}
}
// Update function
function update() {
// Pulse effect
pulse = params.pulse.min + (Math.sin(time * 0.001) + 1) * 0.5 *
(params.pulse.max - params.pulse.min);
// Update sites
for (const site of sites) {
site.x += site.vx * params.motion * 0.1;
site.y += site.vy * params.motion * 0.1;
// Wrap around
if (site.x < 0) site.x = canvas.width;
if (site.x > canvas.width) site.x = 0;
if (site.y < 0) site.y = canvas.height;
if (site.y > canvas.height) site.y = 0;
}
// Recalculate Voronoi
calculateVoronoi();
time++;
// Fade effect
ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
ctx.fillRect(0, 0, canvas.width, canvas.height);
}
// Draw function
function draw() {
// Draw cells
for (const cell of cells) {
// Only draw if we have points
if (cell.points.length > 2) {
ctx.beginPath();
ctx.moveTo(cell.points[0].x, cell.points[0].y);
for (let i = 1; i < cell.points.length; i++) {
ctx.lineTo(cell.points[i].x, cell.points[i].y);
}
ctx.closePath();
// Color based on density/complexity
const idx = Math.floor((cell.points.length / 200) * palette.length);
ctx.fillStyle = palette[idx % palette.length];
ctx.fill();
// Outline
ctx.strokeStyle = '#111';
ctx.lineWidth = 0.5;
ctx.stroke();
}
}
}
// Animation loop
function animate() {
update();
draw();
requestAnimationFrame(animate);
}
// Start
initSites();
animate();
</script>
</body>
</html>