canvas线条围成圈圈动画效果代码-html代码-BFW代码库

canvas线条围成圈圈动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas线条围成圈圈动画效果代码

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>
body, html {
  margin: 0;
  overflow: hidden;
}

canvas {
  display: block;
  cursor: pointer;
}
</style>




</head>

<body  >
  <canvas id="canvas"></canvas>

  
      <script >
/*
  Johan Karlsson, 2023
  https://twitter.com/DonKarlssonSan
  MIT License, see Details View
*/
let canvas;
let ctx;
let w, h;

function setup() {
  canvas = document.querySelector("#canvas");
  ctx = canvas.getContext("2d");
  resize();
  window.addEventListener("resize", resize);
}

function resize() {
  w = canvas.width = window.innerWidth;
  h = canvas.height = window.innerHeight;
}

function draw(now) {
  requestAnimationFrame(draw);
  ctx.fillRect(0, 0, w, h);

  c.........完整代码请登录后点击上方下载按钮下载查看