birth: Fractured Monochrome Voronoi
This commit is contained in:
parent
3174fa7a09
commit
83234a5488
1 changed files with 164 additions and 0 deletions
164
index.html
Normal file
164
index.html
Normal file
|
|
@ -0,0 +1,164 @@
|
||||||
|
<!DOCTYPE html>
|
||||||
|
<html lang="en">
|
||||||
|
<head>
|
||||||
|
<meta charset="UTF-8">
|
||||||
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||||
|
<title>Voronoi Fracture</title>
|
||||||
|
<style>
|
||||||
|
body {
|
||||||
|
margin: 0;
|
||||||
|
overflow: hidden;
|
||||||
|
background: #0a0a0a;
|
||||||
|
font-family: 'Courier New', monospace;
|
||||||
|
}
|
||||||
|
canvas {
|
||||||
|
display: block;
|
||||||
|
}
|
||||||
|
#attribution {
|
||||||
|
position: absolute;
|
||||||
|
bottom: 10px;
|
||||||
|
right: 10px;
|
||||||
|
color: #444;
|
||||||
|
font-size: 10px;
|
||||||
|
z-index: 100;
|
||||||
|
}
|
||||||
|
</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();
|
||||||
|
|
||||||
|
const points = [];
|
||||||
|
const colors = [];
|
||||||
|
const trails = [];
|
||||||
|
const maxTrailLength = 30;
|
||||||
|
|
||||||
|
// Initialize points based on density
|
||||||
|
function initPoints() {
|
||||||
|
const count = Math.floor(100 + 900 * 0.5); // 500 points at density 0.5
|
||||||
|
for (let i = 0; i < count; i++) {
|
||||||
|
points.push({
|
||||||
|
x: Math.random() * canvas.width,
|
||||||
|
y: Math.random() * canvas.height,
|
||||||
|
vx: (Math.random() - 0.5) * 2 * 0.5, // scaled by motion
|
||||||
|
vy: (Math.random() - 0.5) * 2 * 0.5,
|
||||||
|
life: Math.random() * 100 + 50,
|
||||||
|
maxLife: Math.random() * 100 + 50,
|
||||||
|
size: Math.random() * 2 + 1
|
||||||
|
});
|
||||||
|
|
||||||
|
// Dryness palette (monochrome with slight variation)
|
||||||
|
const intensity = 50 + Math.random() * 50;
|
||||||
|
colors.push(`rgb(${intensity}, ${intensity}, ${intensity})`);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Voronoi diagram generation
|
||||||
|
function generateVoronoi() {
|
||||||
|
ctx.clearRect(0, 0, canvas.width, canvas.height);
|
||||||
|
ctx.globalAlpha = 1;
|
||||||
|
|
||||||
|
// Draw voronoi cells
|
||||||
|
for (let y = 0; y < canvas.height; y += 2) {
|
||||||
|
for (let x = 0; x < canvas.width; x += 2) {
|
||||||
|
let closestDist = Infinity;
|
||||||
|
let closestIndex = 0;
|
||||||
|
|
||||||
|
for (let i = 0; i < points.length; i++) {
|
||||||
|
const dx = x - points[i].x;
|
||||||
|
const dy = y - points[i].y;
|
||||||
|
const dist = dx * dx + dy * dy;
|
||||||
|
|
||||||
|
if (dist < closestDist) {
|
||||||
|
closestDist = dist;
|
||||||
|
closestIndex = i;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
ctx.fillStyle = colors[closestIndex];
|
||||||
|
ctx.fillRect(x, y, 2, 2);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Draw points with trails
|
||||||
|
for (let i = 0; i < points.length; i++) {
|
||||||
|
// Update point position
|
||||||
|
points[i].x += points[i].vx;
|
||||||
|
points[i].y += points[i].vy;
|
||||||
|
|
||||||
|
// Bounce off edges
|
||||||
|
if (points[i].x < 0 || points[i].x > canvas.width) points[i].vx *= -1;
|
||||||
|
if (points[i].y < 0 || points[i].y > canvas.height) points[i].vy *= -1;
|
||||||
|
|
||||||
|
// Add to trail
|
||||||
|
trails[i] = trails[i] || [];
|
||||||
|
trails[i].push({x: points[i].x, y: points[i].y});
|
||||||
|
|
||||||
|
if (trails[i].length > maxTrailLength) trails[i].shift();
|
||||||
|
|
||||||
|
// Age points
|
||||||
|
points[i].life--;
|
||||||
|
if (points[i].life <= 0) {
|
||||||
|
points[i] = {
|
||||||
|
x: Math.random() * canvas.width,
|
||||||
|
y: Math.random() * canvas.height,
|
||||||
|
vx: (Math.random() - 0.5) * 2 * 0.5,
|
||||||
|
vy: (Math.random() - 0.5) * 2 * 0.5,
|
||||||
|
life: Math.random() * 100 + 50,
|
||||||
|
maxLife: points[i].maxLife,
|
||||||
|
size: Math.random() * 2 + 1
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
// Draw trail
|
||||||
|
if (trails[i].length > 1) {
|
||||||
|
ctx.globalAlpha = 0.8;
|
||||||
|
ctx.strokeStyle = `rgba(120, 120, 120, ${0.3 + 0.7 * (1 - points[i].life / points[i].maxLife)})`;
|
||||||
|
ctx.lineWidth = points[i].size * 0.5;
|
||||||
|
|
||||||
|
ctx.beginPath();
|
||||||
|
ctx.moveTo(trails[i][0].x, trails[i][0].y);
|
||||||
|
for (let j = 1; j < trails[i].length; j++) {
|
||||||
|
ctx.lineTo(trails[i][j].x, trails[i][j].y);
|
||||||
|
}
|
||||||
|
ctx.stroke();
|
||||||
|
}
|
||||||
|
|
||||||
|
// Draw point
|
||||||
|
ctx.globalAlpha = 1;
|
||||||
|
ctx.fillStyle = colors[i];
|
||||||
|
ctx.beginPath();
|
||||||
|
ctx.arc(points[i].x, points[i].y, points[i].size, 0, Math.PI * 2);
|
||||||
|
ctx.fill();
|
||||||
|
}
|
||||||
|
|
||||||
|
// Occasionally reset colors for dryness effect
|
||||||
|
if (Math.random() < 0.01) {
|
||||||
|
for (let i = 0; i < colors.length; i++) {
|
||||||
|
const intensity = 50 + Math.random() * 50;
|
||||||
|
colors[i] = `rgb(${intensity}, ${intensity}, ${intensity})`;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function animate() {
|
||||||
|
generateVoronoi();
|
||||||
|
requestAnimationFrame(animate);
|
||||||
|
}
|
||||||
|
|
||||||
|
initPoints();
|
||||||
|
animate();
|
||||||
|
</script>
|
||||||
|
</body>
|
||||||
|
</html>
|
||||||
Loading…
Add table
Reference in a new issue