canvas实现线条交织动画效果代码-html代码-BFW代码库

canvas实现线条交织动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas实现线条交织动画效果代码

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;
  padding: 0;
}

body {
  min-height: 100vh;
}

.container {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
</style>

</head>

<body >
  <div class="container">
  <canvas class="canvas js-canvas"></canvas>
</div>

  
      <script >
const ctx = document.querySelector('canvas').getContext('2d');
const { canvas } = ctx;

const TAU = Math.PI * 2;
const W = 500;
const H = W;
const R = W >> 1;
const R2 = R * 0.25;

const NUM_LINES = 100;
const LINE_ANGLE_STEP = TAU / NUM_LINES;
const LINE_WIDTH_ANGLE = 0.02;

let phase = 0;

canvas.width = W;
canvas.height = H;

const drawCircle = (scale = 1, iteration) => {
  .........完整代码请登录后点击上方下载按钮下载查看