CSS动画:如何使图像对象无缝弹回?

时间:2016-08-04 07:41:40

标签: html css animation gif

演示: http://www.suanle.lol/move.php

在动画演示中你可以看到,当蛋刚刚回弹时,它会闪烁一秒然后闪现。这会让动画破碎。所以我想知道为什么会发生这种情况以及如何解决它?

如果你想查看Gif:

Egg

实际上不仅限于.gif,任何格式的图片都会出现问题。

代码如下:



#egg {
  z-index: 2;
  margin-left: 50px;
  /*display: none;*/
  position: absolute;
  animation-duration: 6.4s;
  animation-name: slide;
  animation-iteration-count: infinite;
  /*animation: pulse 5s infinite;*/
}
@keyframes slide {
  0% {
    margin-left: 10px;
    /*width: 300%; */
  }
  49% {
    -moz-transform: scaleX(1);
    -o-transform: scaleX(1);
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    filter: FlipH;
    -ms-filter: "FlipH";
  }
  50% {
    margin-left: 350px;
    -moz-transform: scaleX(-1);
    -o-transform: scaleX(-1);
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
    filter: FlipH;
    -ms-filter: "FlipH";
  }
  100% {
    margin-left: 10px;
    -moz-transform: scaleX(-1);
    -o-transform: scaleX(-1);
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
    filter: FlipH;
    -ms-filter: "FlipH";
  }
}

<img id="egg" src="http://i.stack.imgur.com/Ke7wO.gif">
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1 个答案:

答案 0 :(得分:1)

好的,这看起来好多了,将 func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) { let yourString = title + String(format: "/%d", indexPath.row) print(yourString) // HERE gives collection view number when clicked BUT I WANT TO Get cell title which inside categories ARRAY example: A/3, B/5 } 更改为 49% ,并将其增强了一点,问题是这个 49.9% 动画的持续时间的1% 仍然值得注意,这使得&#34;闪烁&#34;。

将此差异从 6.4s 减少到 1% 0.1%转换为scaleX(1)所需的时间段不明显

jsFiddle

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scaleX(-1)
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#container {
  position: absolute;
  background-color: rgb(231, 143, 128);
  width: 310px;
  height: 42px;
  margin-left: 50px;
  z-index: 1;
}
#egg {
  z-index: 2;
  margin-left: 50px;
  /*display: none;*/
  position: absolute;
  animation-duration: 6.4s;
  animation-name: slide;
  animation-iteration-count: infinite;
  /*animation: pulse 5s infinite;*/
}
@keyframes slide {
  0% {
    margin-left: 10px;
    /*width: 300%; */
  }
  49.9% {
    -moz-transform: scaleX(1);
    -o-transform: scaleX(1);
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    filter: FlipH;
    -ms-filter: "FlipH";
  }
  50% {
    margin-left: 350px;
    -moz-transform: scaleX(-1);
    -o-transform: scaleX(-1);
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
    filter: FlipH;
    -ms-filter: "FlipH";
  }
  100% {
    margin-left: 10px;
    -moz-transform: scaleX(-1);
    -o-transform: scaleX(-1);
    -webkit-transform: scaleX(-1);
    transform: scaleX(-1);
    filter: FlipH;
    -ms-filter: "FlipH";
  }
}
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