react模仿window media player 播放音乐视觉效果-html代码-BFW代码库

react模仿window media player 播放音乐视觉效果

代码语言：html

所属分类：多媒体

代码描述：react模仿window media player 播放音乐视觉效果

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>
html, body {
  height: 100%;
}

body {
  margin: 0;
}

#main,
#app,
#visualizer {
  height: 100%;
}

#app {
  display: flex;
  justify-content: center;
  align-items: center;

}
#app img {
  cursor: pointer;
  height: 80px;
}

#visualizer {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 4px;
  box-sizing: border-box;
  background: radial-gradient(white 30%, blue);
}
#visualizer #controls {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(dimgray, ghostwhite);
}
#visualizer #bars {
  flex: 4;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  background: black;
  padding-top: 4vh;
  padding-bottom: 4vh;
}
#visualizer #bars .bar {
  width: 4px;
  margin-right: 1px;
  background: chartreuse;
}
</style>

</head>
<body translate="no">
<div id="main"></div>
<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/react.dev.js"></script>
<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/react-dom.dev.js"></script>
<script>
// Shoutout to Sarah Drasner for heavily commenting her visualizer setup!
// https://codepen.io/sdras/pen/PVjPKa

const AMPLITUDE_MAX = 255;

function App() {
  const [userClicked, setUserClicked] = React.useState(false);

  // Chrome requires a user click/gesture before AudioContext can be created
  // https://goo.gl/7K7WLu
  return (
    React.createElement("div", { id: "app" },
    !userClicked ?
    React.createElement("img", { onClick: () => setUserClicked(true), src: "http://repo.bfw.wiki/bfwrepo/icon/5e7a050749c06.png", alt: "点击播放" }) :

    // TODO Find a version without dog barking
    React.createElement(Visualizer, { frequencyCount: 128, audioSource: 'http://repo.bfw.wiki/bfwrepo/sound/5e1528f1dca14.mp3' })));



}

class Visualizer extends React.Component {
  constructor(props) {
    super(props);

    this.state = {
      frequencyAmplitudes: Array.from(props.frequencyCount).........完整代码请登录后点击上方下载按钮下载查看