js实现canvas等离子球体放电动画效果代码-html代码-BFW代码库

js实现canvas等离子球体放电动画效果代码

代码语言：html

所属分类：动画

代码描述：js实现canvas等离子球体放电动画效果代码

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">
  

  
  
  
<style>
* {
  margin: 0;
}

body {
  background-image: linear-gradient(200deg, #a12580 0%, #4620ad 40%, #5406b9 60%, #a12580 100%);
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
</style>



</head>

<body>
  <canvas id="canvas"></canvas>
  
      <script>
const randomNumber = (min, max) => {
  return Math.random() * (max - min) + min;
};

const colours = ["#EFC8ED", "#E7E4F8", "#fff"];
const c = document.getElementById("canvas");
const ctx = c.getContext("2d");
c.width = window.innerHeight / 2;
c.height = c.width;
const vAngle = Math.random() * 2 * Math.PI;
const vMag = 1.5 * (0.6 + 0.4 * Math.random());
const maxVelComp = 2.5;
let particleCount = 2;
let particles = [];

const createParticles = () => {
  for (let i = 0; i < particleCount; i++) {
    const newParticle = {
      x: c.width / 3,
      y: c.height / 2,
      velX: vMag * Math.cos(Math.random() * 2 * Math.PI),
      velY: vMag * Math.sin(Math.random() * 2 * Math.PI) };


    particles.push(newParticle);
  }
};

window.addEventListener("resize", e => {
  ctx.clearRect(0, 0, window.innerWidth, window.innerHeight);
  c.width = window.innerHeight / 2;
  c.height = c.width;
  draw();
});

const container = () => {
  ctx.beginPath();
  ctx.arc(c.width / 2, c.height / 2, c.width / 2, 0, 2 * Math.PI);
  ctx.shadowBlur = 0;

  const gradient = ctx.createRadialGradient(
  c.width / 2 + c.width / 2 / 1.5,
  c.width / 2 - c.width / 2 / 1.6,
  c.width / 5000,
  c.width / 2,
  c.height / 2,
  c.width / 1.9);

  gradient.addColorStop(0.01, "#ff009946");
  gradient.addColorStop(0.7, "#33006610");
  gradient.addColorStop(0.77, "rgba(255, 53, 149, 0.05)");
  gradient.addColorStop(0.91, "rgba(255, 53, 149, 0.4)");
  gradient.addColorStop(0.95, "rgba(255, 53, 149, 0.6)");
  gradient.addColorStop(1, "#ff0099");
.........完整代码请登录后点击上方下载按钮下载查看