<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
body {
overflow: hidden
}
</style>
</head>
<body>
<canvas></canvas>
</body>
</html>
var canvas = document.querySelector('canvas'),
ctx = canvas.getContext('2d');
canvas.width = window.innerWidth;
canvas.height = window.innerWidth;
ctx.lineWidth = 1;
ctx.strokeStyle = 'black';
var time = 0;
function draw() {
time += 0.01;
ctx.clearRect(0, 0, window.innerWidth, window.innerHeight);
ctx.beginPath();
for (i = 120; i--;)
ctx.ellipse(window.innerWidth / 2, window.innerHeight / 2, i * 2, 100 * Math.sin(time + i / 50) + 100, 2 * Math.sin(time / 4) + i * 2, time, 6 + time)
ctx.stroke();
requestAnimationFrame(arguments.callee);
}
draw();
