js实现canvas粒子小球重力下落弹跳动画效果代码-html代码-BFW代码库

js实现canvas粒子小球重力下落弹跳动画效果代码

代码语言：html

所属分类：粒子

代码描述：采用js实现一个canvas鼠标点击生成粒子小球下落连续弹跳动画效果代码

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

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <style>
      #canvas {
        background: linear-gradient(
          to right,
          #6f0000,
          #200122
        ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
        position: absolute;
        top: 0%;
        left: 0%;
        width: 100%;
        height: 100%;
        z-index: 10;
      }
    </style>
  </head>
  <body>
    <canvas id="canvas"></canvas>
    <script >
        const canvas = document.getElementById('canvas');
const ctx = canvas.getContext('2d');
canvas.height = window.innerHeight;
canvas.width = window.innerWidth;
const numOfpartlces = 300;
let particles = [];

const mouse = {
  x: null,
  y: null,
};

window.addEventListener('mousemove', (event) => {
  mouse.x = event.x;
  mouse.y = event.y;
});

setInterval(() => {
  mouse.x = undefined;
  mouse.y = undefined;
}, 200);

class Particle {
  constructor(x, y, size, weight) {
    this.x = x;
    this.y = y;
    this.s.........完整代码请登录后点击上方下载按钮下载查看