webmidi+shake+svg实现音乐可视化绘制谱曲效果代码-html代码-BFW代码库

代码语言：html

所属分类：多媒体

代码描述：webmidi+shake+svg实现音乐可视化绘制谱曲效果代码，点击上面的曲线拖动鼠标进行音乐轨道绘制，可以切换不同的频率和声音，最终点击播放按钮可以播放自己绘制的曲谱。

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">

    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <style>
        *{box-sizing:border-box}body{background:#222;margin:0;width:100vw;height:100vh;overflow:hidden}nav{background:#000;position:absolute;width:64px;bottom:0;top:0}nav svg{width:64px;height:64px}main svg{width:100%;height:100%}main{position:absolute;left:64px;top:0;cursor:crosshair;bottom:0;right:0}nav ul{z-index:2;margin:0;padding:0;width:100%;height:100%;display:flex;flex-wrap:wrap;align-items:center;align-content:center;justify-content:center;list-style:none}nav ul li{display:block}nav a.selected>svg,nav a.selected>svg{background:#333}svg.move{cursor:move}#bounds{stroke:mediumseagreen;stroke-width:1px}#cursor{stroke:white;stroke-width:1px}#grid{stroke:#333;stroke-width:1px;fill:none}.hidden{display:none}@media only screen and (orientation:landscape){nav{height:64px;width:100vw;bottom:auto}main{left:0;top:64px;right:0;bottom:0}}.overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:none;background:rgba(0,0,0,0.5)}.overlay__tap2start{height:100vh;font-family:sans-serif;color:#fff;display:flex;justify-content:center;align-items:center;font-size:10vw}
    </style>
</head>

<body>

<svg id="symbols"><symbol id="square" viewBox="0 0 128 128"><path style="fill:none;stroke:#aad400;stroke-width:4px;stroke-linecap:square;" d="M35,43 l0,40 l30,0 l0,-40 l30,0 l0,40" /></symbol><symbol id="sawtooth" viewBox="0 0 128 128"><path style="fill:none;stroke:#c83737;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;" d="M30,80 l30,-40 l0,40 l30,-40 l0,40"/></symbol><symbol id="triangle" viewBox="0 0 128 128"><path style="fill:none;stroke:#2a7fff;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;" d="M30,80 l17,-40 l17,40 l17,-40 l17,40"/></symbol><symbol id="sine" viewBox="0 0 128 128"><path style="fill:none;stroke:#9944ff;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;" d="M30,64 q17,-40 32,0 q17,40 32,0"/></symbol><symbol id="play" viewBox="0 0 128 128"><path style="stroke:#aad400;fill:none;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel" d="M33,30 l0,68 l68,-34z"/></symbol><symbol id="pause" viewBox="0 0 128 128"><rect style="stroke:#c83737;fill:none;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel" x="30" y="30" width="30" height="68"/><rect style="stroke:#c83737;fill:none;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;" x="68" y="30" width="30" height="68"/></symbol><symbol id="record" viewBox="0 0 128 128"><circle style="fill:#c83737" cx="64" cy="64" r="32"/></symbol><symbol id="rewind" viewBox="0 0 128 128"><path style="stroke:#4466ff;fill:none;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;" d="M30,64 l34,-34 l0,34 l34,-34 l0,68 l-34,-34 l0,34Z" /></symbol><symbol id="clrscr" viewBox="0 0 128 128"><path style="stroke:#c83737;stroke-width:4px;stroke-linecap:square;fill:none;" d="M30,30 l68,68 M30,98 l68,-68"/></symbol><symbol id="move" viewBox="0 0 128 128"><path style="stroke:#4488ff;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;fill:none;" d="M30,30 l20,0 l-20,20 l0,-20 l68,68 l0,-20 l-20,20 l 20,0 M30,98 l0,-20 l20,20 l-20,0 l68,-68 l0,20 l-20,-20 l20,0"/></symbol><symbol id="cloud" viewBox="0 0 128 128"><path style="stroke:#44ccff;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;fill:none;" d="M30,64 q12,0 12,-8 q0,-16 16,-16 q16,0 16,16 q24,0 24,16 q0,16 -16,16  l-42,0 q-16,0 -16,-18 Z"/></symbol><symbol id="disk" viewBox="0 0 128,128"><path style="stroke:#44ccff;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;fill:none;" d="M30,30 l52,0 l16,16 l0,52 l-68,0 l 0,-68 M40,30 l0,24 l36,0 l0,-24 M48,30 l0,16 l6,0 l0,-16 M40,98 l0,-30 l48,0 l0,30"/></symbol><symbol id="open" viewBox="0 0 128,128"><path style="stroke:#ffcc33;stroke-width:4px;stroke-linecap:square;stroke-linejoin:bevel;fill:none;" d="M30,98 l15,-30 l60,0 l-15,30 l-60,0 l0,-45 l8,-8 l8,0 l8,8 l36,0 l0,15"/></symbol><symbol id="noise" viewBox="0 0 128 128"><path id="p" d="M30,92.5L32,59.5L34,42L36,32.5L38,35.5L40,41.5L42,84.5L44,60.5L46,52.5L48,77.5L50,88L52,53.5L54,79L56,57.5L58,59L60,37.5L62,45.5L64,88L66,53L68,72L70,90L72,91.5L74,95.5L76,51.5L78,95.5L80,50.5L82,44.5L84,93L86,52L88,61" style="fill:none;stroke:#fff;stroke-width:4px;"></path></symbol></svg>
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