声波动画效果-html代码-BFW代码库

声波动画效果

代码语言：html

所属分类：动画

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">

<title> Sharp and Smooth Donkey</title>
<style>
  body {
/*   background-color: black; */
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  
}

canvas {
  width: 100vw;
  height: 200px;
  
}
</style>

</head>
<body translate="no">
<div>
<canvas width="400" height="200"></canvas>
</div>

<script>
      async function main() {
  const image = await loadImage();
  const dpi = window.devicePixelRatio;
  const canvas = document.querySelector('canvas');
  const w = window.innerWidth * dpi;
  const h = Math.floor(image.height * dpi * 1.5);
  canvas.width = w;
  canvas.height = h;
  canvas.style.height = Math.floor(window.innerWidth * (h / w)) + 'px';
  const ctx = canvas.getContext('2d');
  const color = '#f5f7e2';
  const.........完整代码请登录后点击上方下载按钮下载查看