-
Notifications
You must be signed in to change notification settings - Fork 0
/
bubbles.js
63 lines (54 loc) · 1.62 KB
/
bubbles.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
const canvas = document.getElementById('bubblesCanvas');
const ctx = canvas.getContext('2d');
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const particlesArray = [];
let hue = 0;
window.addEventListener('resize', () => {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
});
class Particle {
constructor() {
this.x = Math.random() * canvas.width;
this.y = Math.random() * canvas.height;
this.size = Math.random() * 20 + 10;
this.speedX = Math.random() * 3 - 1.5;
this.speedY = Math.random() * 3 - 1.5;
this.color = `hsl(${Math.random() * 360}, 100%, 50%)`;
}
update() {
this.x += this.speedX;
this.y += this.speedY;
if (this.x + this.size > canvas.width || this.x - this.size < 0) {
this.speedX = -this.speedX;
}
if (this.y + this.size > canvas.height || this.y - this.size < 0) {
this.speedY = -this.speedY;
}
}
draw() {
ctx.fillStyle = this.color;
ctx.beginPath();
ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
ctx.fill();
}
}
function handleParticles() {
for (let i = 0; i < particlesArray.length; i++) {
particlesArray[i].update();
particlesArray[i].draw();
}
}
function animate() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
handleParticles();
requestAnimationFrame(animate);
}
function init() {
for (let i = 0; i < 100; i++) {
particlesArray.push(new Particle());
}
}
init();
animate();