基于jquery和svg实现超炫酷的动画特效

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            version="1.1" id="ihtLogo" x="0" y="0" viewbox="0 0 308.8 152.1" xml:space="preserve"
            enable-background="new 0 0 308.8 152.1">
    <style>
        .tomatoLeft, .tomatoRight
        {
            fill: #D74022;
        }
        .bracketLeft, .bracketRight
        {
            fill: #4D4D4F;
        }
        .s2
        {
            fill: none;
            stroke-linecap: round;
            stroke-miterlimit: 10;
            stroke-width: 10;
            stroke: #FFF;
        }
        .tomatoLeaves
        {
            fill: #95D600;
        }
    </style> 
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    <polygon points="70.5 152.1 0 81.5 70.5 11 83.2 23.8 25.5 81.5 83.2 139.3 " class="bracketLeft"/>
    <g id="tomato">
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    </g>
  </svg>
        <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
            version="1.1" id="ihtText" x="0" y="0" viewbox="0 0 148.2 23" enable-background="new 0 0 148.2 23"
            xml:space="preserve">
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    <path fill="#D74022" d="M147 15.4c0 0.5-0.1 1-0.3 1.5 -0.2 0.5-0.5 0.9-0.9 1.2 -0.4 0.3-0.9 0.6-1.4 0.8 -0.6 0.2-1.2 0.3-1.9 0.3 -1.4 0-2.8-0.3-3.6-0.6v0 -1.1 -2.1h0.1 0.3 0.9c0.3 0 0.5 0.1 0.5 0.4 0 0.1 0.1 0.4 0.1 1.3 0.6 0.2 1.3 0.2 1.8 0.2 0.3 0 0.6 0 0.8-0.1 0.2-0.1 0.4-0.2 0.6-0.3 0.2-0.1 0.3-0.3 0.3-0.4 0.1-0.2 0.1-0.3 0.1-0.5 0-0.3-0.1-0.5-0.2-0.6 -0.2-0.2-0.4-0.3-0.6-0.4 -0.3-0.1-0.6-0.2-0.9-0.3 -0.3-0.1-0.7-0.2-1-0.3 -0.3-0.1-0.7-0.3-1-0.4 -0.3-0.2-0.6-0.4-0.9-0.6 -0.3-0.2-0.5-0.5-0.6-0.9 -0.2-0.4-0.2-0.8-0.2-1.3 0-0.5 0.1-0.9 0.3-1.3s0.5-0.8 0.8-1.1c0.4-0.3 0.8-0.6 1.3-0.7s1.1-0.3 1.8-0.3c1.1 0 1.7 0.1 3.3 0.6v0 3.2h-0.1 -0.3 -0.9c-0.3 0-0.5-0.1-0.5-0.4 0-0.1-0.1-0.4-0.1-1.2 -0.3-0.1-0.8-0.1-1.3-0.1 -0.5 0-1 0.1-1.3 0.3 -0.3 0.2-0.5 0.5-0.5 0.9 0 0.2 0.1 0.4 0.2 0.6 0.2 0.2 0.4 0.3 0.6 0.4 0.3 0.1 0.6 0.2 0.9 0.3 0.3 0.1 0.7 0.2 1 0.3 0.3 0.1 0.7 0.3 1 0.4s0.6 0.3 0.9 0.6c0.3 0.2 0.5 0.5 0.6 0.8C146.9 14.5 147 14.9 147 15.4z"/>
  </svg>
        <ul class="buttons">
            <li><a id="btnPlay" class="button" href="#">replay</a></li>
            <li><a id="btnSlowMo" class="button" href="#">slow motion</a></li>
            <li><a id="btnReverse" class="button" href="#">reverse</a></li>
        </ul>
    </div>
    <script src='jquery.js'></script>
    <script src='TweenMax.min.js'></script>
    <script>
        var tomato = $('#tomato'), bracketRight = $('.bracketRight'), bracketLeft = $('.bracketLeft'), tomatoLeft = $('.tomatoLeft'), tomatoRight = $('.tomatoRight'), tomatoLeaves = $('.tomatoLeaves'), letters = $('#ihtText path'), $btnPlay = $('#btnPlay'), $btnSlowMo = $('#btnSlowMo'), $btnReverse = $('#btnReverse'), tl;
        tl = new TimelineMax();
        tl.set([tomatoLeft], { xPercent: 23.6 });
        tl.set([tomatoLeaves], { xPercent: 41 });
        tl.set([tomato], {
            xPercent: 2,
            rotation: 13,
            transformOrigin: 'center center'
        });
        tl.set(tomato, { yPercent: -200 });
        tl.set(bracketRight, { xPercent: 200 });
        tl.set(bracketLeft, { xPercent: -200 });
        tl.to([
    bracketRight,
    bracketLeft
], 0.3, {
    xPercent: 0,
    ease: Power4.easeOut
}, 0.5).to(tomato, 0.5, {
    yPercent: 0,
    ease: Bounce.easeOut
}).to(tomato, 0.2, {
    rotation: 0,
    xPercent: -4
}).to([
    tomatoLeft,
    tomatoLeaves
], 0.2, { xPercent: 0 }, 'split').to(tomato, 0.2, {
    rotation: 0,
    xPercent: 0
}, 'split').to(tomatoRight, 0.2, { xPercent: 2 }, 'split').staggerFrom(letters, 0.01, { autoAlpha: 0 }, 0.03).add('end');
        $btnPlay.click(function () {
            tl.timeScale(1).seek(0);
        });
        $btnSlowMo.click(function () {
            tl.timeScale(0.2).seek(0.5);
        });
        $btnReverse.click(function () {
            tl.timeScale(1).seek('end').reverse();
        });
        //@ sourceURL=pen.js
    </script>

 #intro
        {
            height: 100vh;
            width: 50%;
            margin: 0 auto;
            overflow: hidden;
        }
        #intro #ihtLogo
        {
            position: absolute;
            top: 50%;
            left: 50%;
            height: 100%;
            width: 50%;
            transform: translate(-50%, -70%);
        }
        #intro #ihtText
        {
            width: 100%;
            position: absolute;
            top: 50%;
            width: 40%;
            left: 50%;
            transform: translate(-50%, 80%);
        }
        .buttons
        {
            position: absolute;
            bottom: 20px;
            left: 20px;
            list-style: none;
            margin: 0;
            padding: 0;
            right: 20px;
        }
        .button
        {
            float: left;
            margin-right: 10px;
            padding: 10px 15px;
            border: 1px #ebebeb solid;
            text-decoration: none;
            color: #222222;
        }