tone.js+keyboard.js实现一个虚拟midi钢琴演奏合成器效果代码-html代码-BFW代码库

代码语言：html

所属分类：多媒体

代码描述：tone.js+keyboard.js实现一个虚拟midi钢琴演奏合成器效果代码

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">


    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500" rel="stylesheet">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/normalize.css">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/material-design-iconic-font.css">

    <style>
        body {
          background: #F752B0;
          font-family: "Roboto", arial;
        }
        
        h1 {
          color: #FFFFFF;
          font-size: 36px;
          font-weight: 400;
          text-align: center;
          margin-top: 4em;
        }
        @media screen and (min-width: 568px) {
          h1 {
            display: none;
            margin-top: 0;
          }
        }
        
        .icon {
          margin: 2em auto;
          width: 50px;
          height: 50px;
        }
        @media screen and (min-width: 375px) {
          .icon {
            left: 10.5em;
          }
        }
        @media screen and (min-width: 412px) {
          .icon {
            left: 12em;
          }
        }
        @media screen and (min-width: 568px) {
          .icon {
            display: none;
          }
        }
        
        .material-icons.white {
          color: #FFFFFF;
          font-size: 48px;
          text-align: middle;
          -webkit-animation: rotate 1.5s infinite linear;
                  animation: rotate 1.5s infinite linear;
        }
        
        @-webkit-keyframes rotate {
          from {
            transform: rotate(-180deg);
          }
          to {
            transform: rotate(-360deg);
          }
        }
        
        @keyframes rotate {
          from {
            transform: rotate(-180deg);
          }
          to {
            transform: rotate(-360deg);
          }
        }
        #wave {
          transform: rotate(180deg);
          position: absolute;
          bottom: 0;
          z-index: -1;
        }
        
        #test {
          margin: auto;
          max-width: 1800;
        }
        
        .outer-container {
          display: none;
        }
        @media screen and (min-width: 568px) {
          .outer-container {
            display: block;
            margin: 0.5em auto;
            height: 19.75em;
            width: 31.875em;
            background-color: #FF006E;
            border-radius: 5px 5px 20px 20px;
          }
        }
        @media screen and (min-width: 768px) {
          .outer-container {
            margin-top: 10em;
            height: 22em;
            width: 33.5em;
          }
        }
        
        .inner-container {
          margin: auto;
          height: 315px;
          width: 495px;
          background-color: #1D201F;
          border-radius: 5px 5px 20px 20px;
        }
        @media screen and (min-width: 768px) {
          .inner-container {
            margin-top: 10em;
            height: 22em;
            width: 32.5em;
          }
        }
        
        .buttons-container {
          height: 5.5em;
          width: 30em;
          margin: 0 auto;
          padding-top: 0.5em;
        }
        
        .flex {
          display: flex;
          flex-direction: row;
          flex-wrap: wrap;
          justify-content: space-around;
        }
        
        .flex-column {
          flex-direction: column;
          flex-wrap: wrap;
          width: 8em;
        }
        
        .button-container {
          max-width: 10em;
        }
        
        .key-container {
          list-style: none;
          display: flex;
          flex-direction: horizontal;
          position: relative;
        }
        @media screen and (min-width: 768px) {
          .key-container {
            padding-top: 1em;
          }
        }
        
        .key li {
          display: block;
          height: 12.5em;
          width: 3.125em;
          background-color: #FFFFFF;
          border-radius: 0 0 10px 10px;
          text-align: center;
          border-right: 4px solid #1D201F;
          vertical-align: bottom;
          z-index: 1;
        }
        
        .black li {
          height: 7em;
          width: 2.5em;
          z-index: 1;
          position: absolute;
          background-color: #353b39;
          border-right: none;
        }
        .black li:nth-child(1) {
          top: 0;
          left: -24em;
        }
        .black li:nth-child(2) {
          top: 0;
          left: -20.75em;
        }
        .black li:nth-child(3) {
          top: 0;
          left: -14.5em;
        }
        .black li:nth-child(4) {
          top: 0;
          left: -11em;
        }
        .black li:nth-child(5) {
          top: 0;
          left: -7.75em;
        }
        
        li, button {
          -webkit-user-select: none;
             -moz-user-select: none;
              -ms-user-select: none;
                  user-select: none;
        }
        
        button.note {
          border: none;
          outline: none;
          background-color: transparent;
          width: 100%;
          height: 100%;
          font-weight: 700;
          color: #FF006E;
          padding-top: 9em;
          position: relative;
          overflow: hidden;
        }
        button.note:after {
          content: "";
          position: absolute;
          left: 50%;
          top: 50%;
          width: 5px;
          height: 5px;
          background-color: #ff338b;
          opacity: 0;
          border-radius: 100%;
          transform: scale(1, 1) translate(-50%);
          transform-origin: 50% 50%;
        }
        
        .note-sharp {
          font-weight: 500;
          color: #FFFFFF;
        }
        
        button.note-sharp {
          border-radius: 0 0 10px 10px;
          height: 100%;
          weight: 100%;
          background-color: transparent;
          outline: none;
          border: none;
          overflow: hidden;
          position: relative;
        }
        button.note-sharp:after {
          content: "";
          position: absolute;
          left: 50%;
          top: 50%;
          width: 5px;
          height: 5px;
          background-color: #a067f0;
          opacity: 0;
          border-radius: 100%;
          transform: scale(1, 1) translate(-50%);
          transform-origin: 50% 50%;
        }
        
        .button {
          font-size: 14px;
          border-style: none;
          outline: none;
          background: none;
          border: 0.25em solid #FF006E;
          color: #EBEBEB;
          border-radius: 3px;
          padding: 5px;
          width: 5.5em;
          height: 2.5em;
          margin-bottom: 0.5em;
        }
        .button:active {
          border-color: #8338EC;
        }
        .button.dial {
          border-radius: 50%;
          width: 2.5em;
          background-color: #D1DEDE;
          border-color: #FFFFFF;
        }
        
        .yellow {
          border-color: #F0F66E;
        }
        
        @-webkit-keyframes ripple {
          0% {
            transform: scale(0, 0);
            opacity: 1;
          }
          20% {
            transform: scale(25, 25);
            opacity: 1;
          }
          100% {
            transform: scale(40, 40);
            opacity: 0;
          }
        }
        
        @keyframes ripple {
          0% {
            transform: scale(0, 0);
            opacity: 1;
          }
          20% {
            transform: scale(25, 25);
            opacity: 1;
          }
          100% {
            transform: scale(40, 40);
            opacity: 0;
          }
        }
        button.note:focus:not(:active)::after {
          -webkit-animation: ripple 0.5s ease-out;
                  animation: ripple 0.5s ease-out;
        }
        
        button.note-sharp:focus:not(:active)::after {
          -webkit-animation: ripple 1.2s ease-out;
                  animation: ripple 1.2s ease-out;
        }
    </style>


</head>

<body>
    <div class="container">
        <h1>Rotate phone to landscape mode</h1>
        <div class="icon"><i class="material-icons white">screen_rotation</i></div>
        <div class="outer-container">
            <div class="inner-container">
                <div class="buttons-container flex">
                    <div class="button-container flex">
                        <button class="button" id="synth">Synth</button>
                        <button class="button" id="amSynth">AmSynth</button>
                        <button class="button">DuoSynth</button>
                        <button class="button">FMSynth</button>
                    </div>
                    <div class="button-container flex flex-column">
                        <button class="button yellow">AutoWah</button>
                        <button class="button y.........完整代码请登录后点击上方下载按钮下载查看