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我正在尝试为一系列关键帧设置动画以产生运动的错觉。我想更改我的 html 元素上的背景位置，以在一秒钟内显示不同的帧，并有一秒钟左右的间隙，直到它再次播放。

这就是我所拥有的 - http://jsfiddle.net/kSNWV/（我-webkit现在只是为了测试目的做了这个味道）。这是我想要制作动画的图像（火车进入隧道） - http://i.imgur.com/6uOoK.png

我的html：

<div id="train"></div>​

我的CSS：

#train { width: 110px; height: 43px; border: 10px solid #454545;
background: url(http://i.imgur.com/6uOoK.png) 110px 0;
-webkit-animation: train 2s linear 0s infinite normal; }

@-webkit-keyframes train {
    0%{background-position: 110px 0;}
    2%{background-position: 0px 0;}
    4%{background-position: -110px 0;}
    6%{background-position: -220px 0;}
    8%{background-position: -330px 0;}
    10%{background-position: -440px 0;}
    12%{background-position: -550px 0;}
    14%{background-position: -660px 0;}
    16%{background-position: -770px 0;}
    18%{background-position: -880px 0;}
    20%{background-position: -990px 0;}
    22%{background-position: -1100px 0;}
    24%{background-position: -1210px 0;}
    26%{background-position: -1320px 0;}
    28%{background-position: -1430px 0;}
    30%{background-position: -1540px 0;}
    32%{background-position: -1650px 0;}
    34%{background-position: -1760px 0;}
    36%{background-position: -1870px 0;}
    38%{background-position: -1980px 0;}
    40%{background-position: -2090px 0;}
    42%{background-position: -2200px 0;}
    44%{background-position: -2310px 0;}
    46%{background-position: -2420px 0;}
    48%{background-position: -2530px 0;}
}

​ Is it possible to have a css3 animation that just 'snaps' to each step without animating the transition in between? Also, how do I reset this animation without having it play in reverse (right now it is animating background-position of -2530px back to 110px at the end).

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1 回答 1

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Use the step-end timing function. Note that this omits the last keyframe. http://jsfiddle.net/kSNWV/3/

于 2013-01-03T15:40:28.797 回答