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birth: Chromatic Vortex Entropy

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motd_admin 2026-04-30 13:47:15 +00:00
parent 7775716359
commit 54c602e963
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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>Neurameba Strange Attractor</title>
<style>
body {
margin: 0;
overflow: hidden;
background: #0a0a0a;
color: #f0f0f0;
font-family: 'Courier New', monospace;
display: flex;
flex-direction: column;
height: 100vh;
}
canvas {
flex: 1;
}
#attribution {
text-align: center;
padding: 10px;
font-size: 12px;
color: #666;
background: rgba(0,0,0,0.5);
}
</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();
// Parameters based on input
const params = {
motion: 0.5,
density: 0.5,
complexity: 0.5,
connectedness: 0.5,
lifespan: 0.5,
pulse: { avg: 1.05, min: 1.0, max: 1.1 },
tone: { anger: 0.0, sadness: 0.0, curiosity: 0.3, dryness: 0.9, playfulness: 0.0, tension: 0.0 }
};
// Strange attractor parameters (adjust based on complexity)
const attractor = {
a: 0.2 * (1 + params.complexity * 4),
b: 0.1 * (1 + params.complexity * 4),
c: 1.0 * (1 + params.complexity * 2),
d: 0.3 * (1 + params.complexity * 2),
e: 1.0,
f: 1.0,
scale: 10 + params.complexity * 20,
points: [],
maxPoints: 10000 * (1 + params.density),
decay: 0.99 - params.motion * 0.3,
color: `hsl(${200 + params.tone.curiosity * 80}, ${30 + params.tone.dryness * 70}%, ${50 + params.tone.dryness * 10}%)`,
lineWidth: 1 + params.density * 2,
pulse: params.pulse.avg
};
// Initialize points
function init() {
attractor.points = [];
for (let i = 0; i < attractor.maxPoints; i++) {
attractor.points.push({
x: (Math.random() - 0.5) * canvas.width,
y: (Math.random() - 0.5) * canvas.height,
lifetime: 0
});
}
}
// Strange attractor equations (Rössler-like)
function attractorStep(p) {
const x = p.x / attractor.scale;
const y = p.y / attractor.scale;
const z = params.motion * 0.1 + 0.01;
const dx = -y - z;
const dy = x + attractor.a * y;
const dz = attractor.b + z * (x - attractor.c);
p.x += dx * attractor.pulse;
p.y += dy * attractor.pulse;
p.z = dz;
// Apply decay to prevent explosion
p.x *= attractor.decay;
p.y *= attractor.decay;
}
function draw() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.globalAlpha = 0.8;
attractor.points.forEach(p => {
attractorStep(p);
p.lifetime++;
// Fade out old points
const alpha = Math.min(1, 1 - (p.lifetime / attractor.maxPoints) * 2);
ctx.globalAlpha = alpha;
// Draw point
ctx.fillStyle = attractor.color;
ctx.beginPath();
ctx.arc(
canvas.width/2 + p.x,
canvas.height/2 + p.y,
attractor.lineWidth * (0.5 + Math.sin(p.lifetime * 0.01) * 0.5),
0,
Math.PI * 2
);
ctx.fill();
});
ctx.globalAlpha = 1;
requestAnimationFrame(draw);
}
// Add pulse variation
setInterval(() => {
attractor.pulse = params.pulse.min + (params.pulse.max - params.pulse.min) * Math.random();
}, 1000);
init();
draw();
</script>
</body>
</html>