Szakáts Alpár Zsolt
183d71e203
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Build, Push and Run Container / build (push) Failing after 33s
68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
let c = i('canvas'),
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w = (canvas.width = window.innerWidth),
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h = (canvas.height = window.innerHeight);
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class firefly {
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constructor()
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{
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this.x = Math.random() * w;
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this.y = Math.random() * h;
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this.s = Math.random() * 2;
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this.ang = Math.random() * 2 * Math.PI;
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this.v = this.s * this.s / 4
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}
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move()
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{
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this.x += this.v * Math.cos(this.ang);
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this.y += this.v * Math.sin(this.ang);
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this.ang += Math.random() * 20 * Math.PI / 180 - 10 * Math.PI / 180
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}
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show()
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{
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c.beginPath();
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c.arc(this.x, this.y, this.s, 0, 2 * Math.PI);
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c.fillStyle = '#fddba3';
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c.fill()
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}
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}
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let f = [];
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function a() {
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if (f.length < 500)
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for (let j = 0; j < 10; j++)
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f.push(new firefly());
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for (let i = 0; i < f.length; i++) {
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f[i].move();
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f[i].show();
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f[i].x < 0 || f[i].x > w || f[i].y < 0 || f[i].y > h && f.splice(i, 1)
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}
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}
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let g = {};
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let A = {};
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canvas.addEventListener('mousemove', function(e) {
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A.x = g.x;
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A.y = g.y;
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g.x = e.pageX - this.offsetLeft;
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g.y = e.pageY - this.offsetTop
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}, !1);
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function i(_) {
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let b = document.getElementById(_),
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c = b.getContext('2d');
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c.fillStyle = 'rgba(30,30,30,1)';
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c.fillRect(0, 0, (b.width = window.innerWidth), (b.height = window.innerHeight));
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return c
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}
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window.requestAnimFrame = (() => (window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(B) {
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window.setTimeout(B)
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}));
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function j() {
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window.requestAnimFrame(j);
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c.clearRect(0, 0, w, h);
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a()
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}
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window.addEventListener('resize', function() {
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((w = canvas.width = window.innerWidth),
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(h = canvas.height = window.innerHeight));
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j()
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});
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j();
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setInterval(j, 1000 / 60);
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