js实现canvas吸引粒子运动动画效果代码-html代码-BFW代码库

js实现canvas吸引粒子运动动画效果代码

代码语言：html

所属分类：粒子

代码描述：js实现canvas吸引粒子运动动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<html lang="en">
<head>

    <meta charset="UTF-8">







</head>

<body >


    <script >
    const canvas = document.createElement('canvas');
canvas.style.background = '#000'
document.body.appendChild(canvas);
document.body.style.margin = 0;
document.body.style.overflow = 'hidden';

const gl = canvas.getContext("webgl", {preserveDrawingBuffer: true}); 
const controls = OrbitControls(0, 0, 150);
const fullScreenTriangle = new Float32Array([-1,3,-1,-1,3,-1])
const thomasAttractor = new Float32Array(Array(15000).fill(0).map(() => Math.random()*6-3))

const clearPass = program(gl, `
attribute vec2 pt = () => fullScreenTriangle;
void main() {
    gl_Position = vec4(pt, 0.0, 1.0);
}`, `
void main() {
    gl_FragColor = vec4(0.0, 0.0, 0.0, 0.1);
}`);

const particles = program(gl, `
attribute vec3 pt = () => thomasAttractor;
uniform vec2 resolution = () => [innerWidth, innerHeight];
uniform flo.........完整代码请登录后点击上方下载按钮下载查看