这个网站如何使他们的巴士图标在悬停上移动？

Question

在www.www.coachella.com上，他们有这些穿梭巴士图标，其中有3个，在悬停时，图标会四处移动。我怎样才能为我的网站做这样的事情？有导游吗？

我查看了源代码，它是相当混乱的，但似乎他们有3个svg标签，他们是动画的悬停。对于一个普通的乔来说，这有多难呢？

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            <div id="icon-shuttles-hit" class="icon-hit-square"></div>
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Answer 1

如果您不熟悉SVG，可以将它们替换为标准的png图标。有关SVGs的一些信息可以找到这里。

动画部分很简单，只需在悬停时向两个总线图标添加一个transform:translate3D即可完成。

假设你有一个里面有3分的div。每个div包含一个总线(可以是svg、png、图标字体或类似的)。

 <div class="buses">
    <div class="bus-1"></div>
    <div class="bus-2"></div>
    <div class="bus-3"></div>
 </div>

您的CSS看起来如下所示：

CSS

.buses .bus-1,
.buses .bus-3 {
    /* This determines the duration of the animation */

    -webkit-transition: -webkit-transform 600ms ease;
    transition: transform 600ms ease;
}

.buses:hover .bus-1 {
    /* The translate property will move the bus in an x,y,z direction */

    -webkit-transform: translate3D(-10px, 0, 0);    
    transform: translate3D(-10px, 0, 0);
}

.buses:hover .bus-3 {
   /* The translate property will move the bus in an x,y,z direction */

    -webkit-transform: translate3D(10px, 0, 0);    
    transform: translate3D(10px, 0, 0);
}

Answer 2

通过引用id：“图标-梭”，我能够搜索网站的JavaScript文件，并找到一段代码来转换图标并创建您想要的动画。

    // shuttles --

var _onOver_shuttles = function() {
    TweenMax.to('#icon-shuttles-base-1', 0.3, {x:-9, scale:1.2, transformOrigin:"100% 50%", ease:Power1.easeOut});
    TweenMax.to('#icon-shuttles-base-3', 0.3, {delay:0.15, x:8, scale:1.2, transformOrigin:"0% 50%", ease:Power1.easeOut});
}

var _onOut_shuttles = function() {
    // in case delayed tween hasn't fired
    TweenMax.killTweensOf('#icon-shuttles-base-3');

    TweenMax.to('#icon-shuttles-base-1', 0.2, {x:0, scale:1.0, transformOrigin:"100% 50%", ease:Power1.easeInOut});
    TweenMax.to('#icon-shuttles-base-3', 0.2, {x:0, scale:1.0, transformOrigin:"0% 50%", ease:Power1.easeInOut});
}

我对SVG和CSS动画并不那么熟悉，但是看起来他们使用transform原点属性在页面周围移动图标。

查看下面的链接，以更好地了解什么是SVG动画以及它们是如何工作的。

SVG动画的简单介绍

CSS3变换-原点