157 lines
No EOL
4.9 KiB
HTML
157 lines
No EOL
4.9 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
|
<title>Flow Field Organism</title>
|
|
<style>
|
|
body {
|
|
margin: 0;
|
|
overflow: hidden;
|
|
background: #0a0a1a;
|
|
font-family: 'Courier New', monospace;
|
|
color: #44ffaa;
|
|
display: flex;
|
|
flex-direction: column;
|
|
height: 100vh;
|
|
}
|
|
canvas {
|
|
display: block;
|
|
width: 100%;
|
|
height: 100%;
|
|
}
|
|
#attribution {
|
|
position: absolute;
|
|
bottom: 10px;
|
|
right: 10px;
|
|
font-size: 10px;
|
|
opacity: 0.7;
|
|
text-shadow: 0 0 5px #44ffaa;
|
|
}
|
|
</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();
|
|
|
|
// Flow field parameters
|
|
const motion = 0.5;
|
|
const density = 0.5;
|
|
const complexity = 0.5;
|
|
const connectedness = 0.5;
|
|
const lifespan = 0.5;
|
|
const pulse = 1.1;
|
|
const tone = {
|
|
curiosity: 0.3,
|
|
dryness: 0.8
|
|
};
|
|
|
|
// Color palette (dryness=monochrome, curiosity=teals)
|
|
const colors = [
|
|
'rgba(180, 180, 255, 0.9)',
|
|
'rgba(150, 150, 230, 0.8)',
|
|
'rgba(120, 120, 200, 0.7)'
|
|
];
|
|
|
|
// Flow field particles
|
|
const particles = [];
|
|
const particleCount = Math.floor(200 + density * 800);
|
|
|
|
class Particle {
|
|
constructor() {
|
|
this.reset();
|
|
this.lifespan = 0.5 + Math.random() * 0.5;
|
|
this.size = 0.5 + Math.random() * 2;
|
|
this.color = colors[Math.floor(Math.random() * colors.length)];
|
|
}
|
|
|
|
reset() {
|
|
this.pos = {
|
|
x: Math.random() * canvas.width,
|
|
y: Math.random() * canvas.height
|
|
};
|
|
this.vel = {
|
|
x: (Math.random() - 0.5) * 2,
|
|
y: (Math.random() - 0.5) * 2
|
|
};
|
|
this.prevPos = {...this.pos};
|
|
this.age = 0;
|
|
}
|
|
|
|
update() {
|
|
this.prevPos.x = this.pos.x;
|
|
this.prevPos.y = this.pos.y;
|
|
|
|
// Flow field influence
|
|
const fieldX = 0.01 * this.pos.y + Math.sin(Date.now() * 0.0005 * pulse) * 0.5;
|
|
const fieldY = 0.01 * this.pos.x + Math.cos(Date.now() * 0.0003 * pulse) * 0.5;
|
|
|
|
// Add complexity to motion
|
|
this.vel.x += (fieldX - 0.5) * motion * 0.05;
|
|
this.vel.y += (fieldY - 0.5) * motion * 0.05;
|
|
|
|
// Apply velocity with some noise
|
|
this.vel.x += (Math.random() - 0.5) * complexity * 0.2;
|
|
this.vel.y += (Math.random() - 0.5) * complexity * 0.2;
|
|
|
|
// Update position
|
|
this.pos.x += this.vel.x * motion;
|
|
this.pos.y += this.vel.y * motion;
|
|
|
|
// Boundary check
|
|
if (this.pos.x < 0 || this.pos.x > canvas.width) {
|
|
this.vel.x *= -0.5;
|
|
this.pos.x = Math.max(0, Math.min(canvas.width, this.pos.x));
|
|
}
|
|
if (this.pos.y < 0 || this.pos.y > canvas.height) {
|
|
this.vel.y *= -0.5;
|
|
this.pos.y = Math.max(0, Math.min(canvas.height, this.pos.y));
|
|
}
|
|
|
|
this.age += 0.005;
|
|
}
|
|
|
|
draw() {
|
|
const alpha = Math.min(1, this.age / this.lifespan);
|
|
ctx.strokeStyle = this.color.replace('0.9', (0.3 + alpha * 0.6).toFixed(1));
|
|
ctx.lineWidth = this.size * (0.5 + Math.sin(this.age * 0.1) * 0.5);
|
|
ctx.beginPath();
|
|
ctx.moveTo(this.prevPos.x, this.prevPos.y);
|
|
ctx.lineTo(this.pos.x, this.pos.y);
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
|
|
// Initialize particles with varying complexity
|
|
for (let i = 0; i < particleCount; i++) {
|
|
particles.push(new Particle());
|
|
}
|
|
|
|
function animate() {
|
|
// Fade effect based on lifespan
|
|
ctx.fillStyle = 'rgba(0, 0, 0, 0.05)';
|
|
ctx.fillRect(0, 0, canvas.width, canvas.height);
|
|
|
|
// Update and draw particles
|
|
particles.forEach(p => {
|
|
p.update();
|
|
p.draw();
|
|
});
|
|
|
|
requestAnimationFrame(animate);
|
|
}
|
|
|
|
animate();
|
|
</script>
|
|
</body>
|
|
</html> |