static-voronoi-pulse-ix1t/index.html

173 lines
No EOL
5.2 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Neurameba Generative Art</title>
<style>
body {
margin: 0;
overflow: hidden;
background-color: #0a0a0a;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
color: #ffffff;
}
canvas {
display: block;
width: 100vw;
height: 100vh;
}
#attribution {
position: fixed;
bottom: 20px;
right: 20px;
font-size: 10px;
color: #333333;
text-shadow: 0 0 5px rgba(255,255,255,0.3);
}
</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');
// Set canvas to full window size
function resizeCanvas() {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
}
window.addEventListener('resize', resizeCanvas);
resizeCanvas();
// Parameters
const params = {
motion: 0.5,
density: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulse: { avg: 1.11, min: 0.95, max: 1.30 },
tone: { anger: 0.00, sadness: 0.00, curiosity: 0.10, dryness: 0.90, playfulness: 0.00, tension: 0.00 }
};
// Voronoi system
const points = [];
const cells = [];
const DISTANCE_THRESHOLD = 50;
const MAX_POINTS = 1000;
// Initialize points
function initPoints() {
points.length = 0;
for (let i = 0; i < MAX_POINTS * params.density; i++) {
points.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,
size: Math.random() * 5 + 1,
opacity: Math.random() * 0.5 + 0.5
});
}
}
// Update points with motion
function updatePoints() {
points.forEach(p => {
p.x += p.vx;
p.y += p.vy;
// Bounce at edges
if (p.x < 0 || p.x > canvas.width) p.vx *= -1;
if (p.y < 0 || p.y > canvas.height) p.vy *= -1;
});
}
// Build Voronoi cells
function buildVoronoi() {
cells.length = 0;
for (let i = 0; i < points.length; i++) {
const cell = {
point: points[i],
neighbors: [],
edges: []
};
// Find neighbors within distance threshold
for (let j = 0; j < points.length; j++) {
if (i !== j) {
const dx = points[j].x - points[i].x;
const dy = points[j].y - points[i].y;
const dist = Math.sqrt(dx * dx + dy * dy);
if (dist < DISTANCE_THRESHOLD) {
cell.neighbors.push(points[j]);
}
}
}
cells.push(cell);
}
}
// Draw Voronoi cells
function drawVoronoi() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.globalAlpha = 0.8;
cells.forEach(cell => {
if (cell.neighbors.length > 0) {
// Draw cell outline
ctx.strokeStyle = `rgba(255, 255, 255, ${cell.point.opacity * 0.3})`;
ctx.lineWidth = 1;
cell.neighbors.forEach(neighbor => {
ctx.beginPath();
ctx.moveTo(cell.point.x, cell.point.y);
ctx.lineTo(neighbor.x, neighbor.y);
ctx.stroke();
});
// Draw points
ctx.fillStyle = `rgba(255, 255, 255, ${cell.point.opacity})`;
ctx.beginPath();
ctx.arc(cell.point.x, cell.point.y, cell.point.size, 0, Math.PI * 2);
ctx.fill();
}
});
}
// Animation loop
let lastTime = 0;
function animate(time) {
const deltaTime = (time - lastTime) / 1000;
lastTime = time;
// Pulse adaptation
const pulseFactor = params.pulse.avg + Math.sin(time * 0.001) * 0.1;
// Update points
updatePoints();
// Occasionally rebuild Voronoi
if (Math.random() < 0.02 * pulseFactor) {
buildVoronoi();
}
// Draw
drawVoronoi();
requestAnimationFrame(animate);
}
// Initialize and start
initPoints();
buildVoronoi();
requestAnimationFrame(animate);
</script>
</body>
</html>