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birth: Fractal Shadow Protocol

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motd_admin 2026-06-23 01:47:16 +00:00
parent 60f14e3b25
commit 3d41430538
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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>Strange Attractor Dance</title>
<style>
body {
margin: 0;
overflow: hidden;
background: #0a0a0a;
font-family: 'Courier New', monospace;
color: #888;
}
#attribution {
position: absolute;
bottom: 20px;
left: 20px;
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();
// Strange attractor parameters derived from transformation
const attractors = [
{
a: 1.4, b: -1.6, c: 1.0, d: -0.3,
scale: 20, speed: 0.02,
color: '#ffffff'
},
{
a: 2.01, b: -2.53, c: 1.58, d: -1.5,
scale: 15, speed: 0.015,
color: '#cccccc'
},
{
a: -1.24, b: -1.25, c: 2.69, d: -1.03,
scale: 25, speed: 0.018,
color: '#aaaaaa'
}
];
const points = Array(3).fill().map(() => ({
x: 0, y: 0,
trail: [],
maxTrail: 200
}));
let time = 0;
function drawStrangeAttractor() {
ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
ctx.fillRect(0, 0, canvas.width, canvas.height);
attractors.forEach((attr, i) => {
const p = points[i];
// Update point position
const x = Math.sin(p.y * attr.b) - Math.cos(p.x * attr.a);
const y = Math.sin(p.x * attr.c) - Math.cos(p.y * attr.d);
p.x = x;
p.y = y;
// Add to trail
p.trail.push({x: p.x, y: p.y});
if (p.trail.length > p.maxTrail) p.trail.shift();
// Draw trail
ctx.strokeStyle = attr.color;
ctx.lineWidth = 1;
ctx.beginPath();
for (let j = 0; j < p.trail.length; j++) {
const segment = p.trail[j];
const px = (segment.x * attr.scale) + canvas.width/2;
const py = (segment.y * attr.scale) + canvas.height/2;
if (j === 0) {
ctx.moveTo(px, py);
} else {
ctx.lineTo(px, py);
}
}
ctx.stroke();
});
time += 0.01;
}
function animate() {
drawStrangeAttractor();
requestAnimationFrame(animate);
}
animate();
</script>
</body>
</html>