jquery+svg实现声音音量调整滑竿拖动动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：拖放

代码描述：jquery+svg实现声音音量调整滑竿拖动动画效果代码，声音图标跟随滑竿大小进行调整。

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>

*,*:before,*:after {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

html,body {
    font-size: 62.5%
}

body {
    background-color: #21282C;
    overflow: hidden
}

.speaker {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-100%);
    width: 10rem;
    height: 7.7rem
}

.vlCtrl {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,150%);
    height: 2.7rem;
    width: 28rem
}

svg,path {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

#ctrlCirce {
    cursor: default
}

.volElem {
    fill: none;
    stroke-width: 5;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-miterlimit: 10
}


</style>
    </head>
    <body>
        <div class="speaker">
            <svg viewBox="0 0 100 77" xmlns="http://www.w3.org/2000/svg">
                <path id="speakB" class="volElem" stroke="#9E7818" d="M51.2,18.5v-13c0-2.1-2.5-3.3-4.1-1.9L21.8,25.9c-1.4,1.2-3.1,1.9-4.9,1.9H8.2c-2.3,0-4.2,1.9-4.2,4.2v13.3c0,2.3,1.9,4.2,4.2,4.2H17c1.9,0,3.7,0.7,5.1,1.9l25,22c1.6,1.4,4.1,0.3,4.1-1.9v-13" opacity="0.4"/>
                <path id="speakF" class="volElem" stroke="#F4AF0A" d="M51.2,18.5v-13c0-2.1-2.5-3.3-4.1-1.9L21.8,25.9c-1.4,1.2-3.1,1.9-4.9,1.9H8.2c-2.3,0-4.2,1.9-4.2,4.2v13.3c0,2.3,1.9,4.2,4.2,4.2H17c1.9,0,3.7,0.7,5.1,1.9l25,22c1.6,1.4,4.1,0.3,4.1-1.9v-13"/>
                <path id="arcBigB" class="volElem" stroke="#9E7818" d="M72.2,64.1C81.1,59,87,49.4,87,38.5c0-10.9-5.9-20.5-14.8-25.6" opacity="0.4"/>
                <path id="arcBigF" class="volElem" stroke="#F4AF0A" d="M72.2,64.1C81.1,59,87,49.4,87,38.5c0-10.9-5.9-20.5-14.8-25.6"/>
                <path id="arcSmB" class="volElem" stroke="#9E7818" d="M59,51.3c4.4-2.6,7.4-7.4,7.4-12.8s-3-10.3-7.4-12.8" opacity="0.4"/>
                <path id="arcSmF" class="volElem" stroke="#F4AF0A" d="M59,51.3c4.4-2.6,7.4-7.4,7.4-12.8s-3-10.3-7.4-12.8"/>
                <line id="crossLtRb" class="volElem" opacity="0.6" stroke="#CE9610" x1="43.8" y1="29.2" x2="62.6" y2="47.8" transform="scale(0)"/>
                <line id="crossLbRt" class="volElem" opacity="0.6" stroke="#CE9610" x1="62.6" y1="29.2" x2="43.8" y2="47.8" transform="scale(0)"/>
            </svg>
        </div>
        <div class=""></div>
        <div class="vlCtrl">
            <svg viewBox="0 0 280 27" xmlns="http://www.w3.org/2000/svg">
                <line id="ctrlLineB" class="volElem" stroke="#9E7818" x1="13" y1="13.5" x2="261.2" y2="13.5" opacity="0.3"/>
                <line id="ctrlLineF" class="volElem" stroke="#F4AF0A" x1="13" y1="13.5" x2="261.2" y2="13.5"/>
                <circle id="ctrlCirce" cx="261.2" cy="13.5" r="13" fill="#F4AF0A"/>
            </svg>
        </div>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/jquery-3.2.1.min.js"></script>
        <script >
            $(document).ready(function () {

  var qs = (el = "") => document.querySelector(el);
  var fromTo = (from, to, prgrs = 0) => from + (to - from) * prgrs;
  var getCenter = (line = {}) => {
    return {
      x: (+line.getAttribute("x1") + +line.getAttribute("x2")) / 2,
      y: (+line.getAttribute("y1") + +line.getAttribute("y2")) / 2
    }
  };
  var getScalePoint = (obj = {}, onScene = true) => {
    if (!onScene) {
      let svgRect = obj.getBBox();
      return {
        x: svgRect.x + svgRect.width / 2,
        y: svgRect.y + svgRect.height / 2
      }
    }
    let rect = obj.getBoundingClientRect();
    return {
      x: rect.width / 2,
      y: rect.height / 2
    }
  };

  var volObj = {
    speakB: qs("#speakB"),
    arcBigB: qs("#arcBigB"),
    arcSmB: qs("#arcSmB"),

    speakF: qs("#speakF"),
    arcBigF: qs("#arcBigF"),
    arcSmF: qs("#arcSmF"),

    crossLtRb: qs("#crossLtRb"),
    crossLbRt: qs("#crossLbRt"),

    ctrlCirce: qs("#ctrlCirce"),
    ctrlLineF: qs("#ctrlLineF"),
    ctrlLineB: qs("#ctrlLineB")
  };

  var pathLen = {
    arcBigLen: volObj.arcBigF.getTotalLength(),
    arcSmLen: volObj.arcSmF.getTotalLength(),
    speakLen: volObj.speakF.getTotalLength()
  };

  var transforms = {
    translate3D: function (x = 0, y = 0, z = 0, el = "px") {
      return `translate3D(${x}${el}, ${y}${el}, ${z}${el})`;
    },

    translate: function (x = 0, y = 0, el = "px") {
      return `translate(${x}${el}, ${y}${el})`;
    },

    rotate3d: function (x = 0, y = 0, z = 0, deg = 0) {
      return `rotate3d(${x}, ${y}, ${z}, ${deg}deg)`;
    },

    rotate: function (deg = 0) {
      return `rotate(${deg}deg)`;
    },

    scale: function (x = 1, y = 1) {
      return `scale(${x}, ${y})`;
    },

    perspective: function (val = 0, el = "px") {
      return `perspective(${val}${el})`;
    }
  };

  var easing = {
    inCubic: function (t, b, c, d) {
      var ts = (t /= d) * t;
      var tc = ts * t;
      return b + c * (1.7 * tc * ts - 2.05 * ts * ts + 1.5 * tc - 0.2 * ts + 0.05 * t);
    },

    outElastic: function (t, b, c, d) {
      var ts = (t /= d) * t;
      var tc = ts * t;
      return b + c * (33 * tc * ts + -106 * ts * ts + 126 * tc + -67 * ts + 15 * t);
    },

    customSin: function (t, b, c, d) {
      var ts = (t /= d) * t;
      var tc = ts * t;
      return b + c * (81 * tc * ts + -210 * ts * ts + 190 * tc + -70 * ts + 10 * t);
    }
  };

  var play = {
    dx: 1 / 5,
    ds: 0.03,
    flag: true,
    step: 0,
    speed: 5,

    curPosBig: {
      x: 0,
      y: 0,
      scale: 1
    },

    curPosSm: {
      x: 0,
      y: 0,
      scale: 1
    },

    curPos: 1,

    off: false,
    offCurStep: 100,
    offMaxStep: 100,
    offSpeed: 2,
    offRefresh: function () {
      this.offCurStep = this.offMaxStep;
      this.off = true;
    },

    on: false,
    onCurStep: 0,
    onMaxStep: 20,
    onSpeed: 2,
    onRefresh: function () {
      this.off = false;
      this.onCurStep = 0;
      this.on = true;
    },

    pointLbRt: getCenter(volObj.crossLbRt),
    pointLtRb: getCenter(volObj.crossLtRb),

    animation: function () {
      if (this.off) { // animation when volume became 0
        [volObj.arcBigB, volObj.arcBigF, volObj.arcSmB, volObj.arcSmF].forEach((el) => {
          el.setAttribute("visibility", "hidden");
        });
        [volObj.crossLbRt, volObj.crossLtRb].forEach((el) => {
          el.setAttribute("visibility", "visible");
        });

        let len = pathLen.speakLen;
        let step1 = 20;
        let step2 = this.offMaxStep - step1;
        let backLen = 0.7;

        if (this.offCurStep >= this.offMaxStep - step1) {
          let progress = (step1 + this.offCurStep - this.offMaxStep) / step1;
          let progressB = fromTo(1, backLen, 1 - progress);
          volObj.speakF.setAttribute("stroke-dasharray", len * progress + "," + len * 1.05);
          volObj.speakF.setAttribute("stroke-dashoffset", -len * (1 - progress) / 2 + "");
          volObj.speakB.setAttribute("stroke-dasharray", len * progressB + "," + len * 1.05);
          volObj.speakB.setAttribute("stroke-dashoffset", -len * (1 - progressB) / 2 + "");
        }

        if (this.offCurStep < step2 && this.offCurStep >= step2 - step1) {
          let progress = 1 - (this.offCurStep - step2 + step1) / step1;
          let progressB = fromTo(backLen, 1, progress);
          volObj.speakB.setAttribute("stroke-dasharray", len * progressB + "," + len * 1.05);
          volObj.speakB.setAttribute("stroke-dashoffset", -len * (1 - progressB) / 2 + "");
        }

        if (this.offCurStep < step2 && this.offCurStep >=.........完整代码请登录后点击上方下载按钮下载查看