最后没有空格的CSS3 Marquee / Ticker动画 [英] CSS3 Marquee / Ticker animation without space in the end

问题描述

我正在用2个物品集建立一个选取框/旋转木马效果。使用 translateX 循环项目集合跨度并不困难（

了解这两个集合的宽度可能不同，我怎么才能达到连续性的效果，第一个循环，第一个集合（青色）出现在第二个（洋红色）之后。

任何指向CSS或JS解决方案的指针都非常赞赏... =如果选取框足够大，则可以在动画中间交换其中一个集合。

这就像你可以单独使用CSS一样，我认为

  .marquee {width：100％; height：80px;保证金：0汽车;溢出：隐藏;白色空间：nowrap; border：1px solid blue;}。marquee-content {display：inline-block; margin-top：5px; animation：marquee 5s linear infinite;}。item-collection-1 {position：relative;剩下：0％; animation：swap 5s linear infinite;} @ keyframes swap {0％，50％{left：0％; } 50.01％，100％{left：100％; }}。marquee-content：hover {animation-play-state：paused} .item1 {display：inline-block;身高：70px;宽度：140px;背景：青色; vertical-align：top; margin-left：15px;}。item2 {display：inline-block;身高：70px;宽度：100px;背景：洋红色; vertical-align：top; margin-left：15px; line-height：14px;} / * Transition * / @ keyframes marquee {0％{transform：translateX（0）} 100％{transform：translateX（-100％）}}  

< div class =marquee> < div class =marquee-content> < span class =item-collection-1> < span class =item1>< / span> < span class =item1>< / span> < span class =item1>< / span> < span class =item1>< / span> < span class =item1>< / span> < span class =item1>< / span> < span class =item1>< / span> < /跨度> < span class =item-collection-2> < span class =item2>< / span> < span class =item2>< / span> < span class =item2>< / span> < span class =item2>< / span> < span class =item2>< / span> < span class =item2>< / span> < span class =item2>< / span> < span class =item2>< / span> < /跨度> < / DIV> < div>

I'm building a marquee/carousel effect with 2 collections of items. Looping both item-collection spans with translateX is not difficult (here the fiddle), but I don't like the empty space at the end of each loop.

Knowing that both collections might differ in width, how could I achieve an effect of "continuity" so after the first loop, the first collection (cyan) appears right after the second (magenta).

Any pointer to CSS or JS solutions is highly appreciated... =)

解决方案

If the marquee is big enough, you can swap one of the collections at mid animation.

This is as far as you can get with CSS alone, I think

.marquee {
  width: 100%;
  height: 80px;
  margin: 0 auto;
  overflow: hidden;
  white-space: nowrap;
  border: 1px solid blue;
}
.marquee-content {
  display: inline-block;
  margin-top: 5px;
  animation: marquee 5s linear infinite;
}
.item-collection-1 {
  position: relative;
  left: 0%;
  animation: swap 5s linear infinite;
}
@keyframes swap {
  0%, 50% {
    left: 0%;
  }
  50.01%,
  100% {
    left: 100%;
  }
}
.marquee-content:hover {
  animation-play-state: paused
}
.item1 {
  display: inline-block;
  height: 70px;
  width: 140px;
  background: cyan;
  vertical-align: top;
  margin-left: 15px;
}
.item2 {
  display: inline-block;
  height: 70px;
  width: 100px;
  background: magenta;
  vertical-align: top;
  margin-left: 15px;
  line-height: 14px;
}
/* Transition */

@keyframes marquee {
  0% {
    transform: translateX(0)
  }
  100% {
    transform: translateX(-100%)
  }
}

<div class="marquee">
  <div class="marquee-content">
    <span class="item-collection-1">
      <span class="item1"></span>
    <span class="item1"></span>
    <span class="item1"></span>
    <span class="item1"></span>
    <span class="item1"></span>
    <span class="item1"></span>
    <span class="item1"></span>
    </span>
    <span class="item-collection-2">
      <span class="item2"></span>
    <span class="item2"></span>
    <span class="item2"></span>
    <span class="item2"></span>
    <span class="item2"></span>
    <span class="item2"></span>
    <span class="item2"></span>
    <span class="item2"></span>
    </span>
  </div>
  <div>

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