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circular-smooth.md 3.52 KB

# 延轨迹平滑效果

?> 背景知识：:point_right: [animation](https://developer.mozilla.org/zh-CN/docs/Web/CSS/animation), [transition](https://developer.mozilla.org/zh-CN/docs/Web/CSS/transition), [transform](https://developer.mozilla.org/zh-CN/docs/Web/CSS/transform), [animation-delay](https://developer.mozilla.org/zh-CN/docs/Web/CSS/animation-delay)

> “transform-origin 只是一个语法糖而已。实际上你总是可以用 translate() 来代替它。”        [——James Anderson](/Aryeh Gregor)

<vuep template="#circular-smooth"></vuep>

<script v-pre type="text/x-template" id="circular-smooth">
<style>
  main {
    width: 100%; height: 529px;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .path {
    width: 300px; height: 300px;
    border-radius: 50%;
    margin: 100px auto;
    position: relative;
    display: flex;
    border: 1px solid #b4a078;
  }
  .logo {
    width: 52px;
    margin: auto;
    background: #FFF;
  }
  .avatar {
    width: 50px;
    position: absolute;
    top: 124px; left: 124px;
    animation: circular-smooth-spin 7.5s infinite linear;
    animation-play-state: running;
  }
  .avatar > span {
    font-weight: 500;
    position: absolute;
    white-space: nowrap;
    top: -50%; left: 50%;
    padding: 3px 12px;
    opacity: 0;
    transform: scale(0);
    transition: opacity, transform .8s;
    transform-origin: 0 bottom;
  }
  .avatar > img {
    width: inherit;
    border-radius: 50%;
    overflow: hidden;
  }
  .path:hover .avatar {
    animation-play-state: paused;
  }
  
  .path:hover .avatar > span {
    opacity: 1;
    transform: scale(1);
    transition: opacity, transform .8s;
  }
  .avatar:nth-of-type(2){
    animation-delay: -1.5s;
  }

.avatar:nth-of-type(3){
    animation-delay: -3s;
  }

.avatar:nth-of-type(4){
    animation-delay: -4.5s;
  }

.avatar:nth-of-type(5){
    animation-delay: -6s;
  }
  @keyframes circular-smooth-spin {
    from {
      transform: rotate(0turn) translateY(-124px) rotate(1turn)
    }
    to {
      opacity: 1;
      transform: rotate(1turn) translateY(-124px) rotate(0turn)
    }
  }
</style>
<template>
  <main class="main">
    <div class="path">
      <img class="logo" src="./static/vue-logo.png" />
      <div class="avatar">
        <span>Evan You</span>
        <img src="./static/Evan.jpeg"/>
      </div>
      <div class="avatar">
        <span>Damian Dulisz</span>
        <img src="./static/Dulisz.jpeg"/>
      </div>
      <div class="avatar">
        <span>defcc</span>
        <img src="./static/defcc.png"/>
      </div>
      <div class="avatar">
        <span>Edd Yerburgh</span>
        <img src="./static/Yerburgh.png"/>
      </div>
      <div class="avatar">
        <span>Sarah Drasner</span>
        <img src="./static/Drasner.jpeg"/>
      </div>
    </div>
  </main>
</template>
<script>
</script>
</script>

!> 如有疑问，后续会添加细节的讲解~

### 浏览器支持

<iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=css-animation&amp;periods=future_1,current,past_1,past_2,past_3&amp;accessible-colours=false" frameborder="0" width="100%" height="436px"></iframe>

<iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=transforms2d&amp;periods=future_1,current,past_1,past_2,past_3&amp;accessible-colours=false" frameborder="0" width="100%" height="458px"></iframe>

<iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=css-transitions&amp;periods=future_1,current,past_1,past_2,past_3&amp;accessible-colours=false" frameborder="0" width="100%" height="458px"></iframe>

一键复制编辑原始数据按行查看历史

提交于 2018-03-13 18:31 . :bug:fix: path 1px bug

延轨迹平滑效果

?> 背景知识： animation, transition, transform, animation-delay

“transform-origin 只是一个语法糖而已。实际上你总是可以用 translate() 来代替它。” [——James Anderson](/Aryeh Gregor)

<script v-pre type="text/x-template" id="circular-smooth"> <style> main { width: 100%; height: 529px; display: flex; flex-direction: column; align-items: center; } .path { width: 300px; height: 300px; border-radius: 50%; margin: 100px auto; position: relative; display: flex; border: 1px solid #b4a078; } .logo { width: 52px; margin: auto; background: #FFF; } .avatar { width: 50px; position: absolute; top: 124px; left: 124px; animation: circular-smooth-spin 7.5s infinite linear; animation-play-state: running; } .avatar > span { font-weight: 500; position: absolute; white-space: nowrap; top: -50%; left: 50%; padding: 3px 12px; opacity: 0; transform: scale(0); transition: opacity, transform .8s; transform-origin: 0 bottom; } .avatar > img { width: inherit; border-radius: 50%; overflow: hidden; } .path:hover .avatar { animation-play-state: paused; } .path:hover .avatar > span { opacity: 1; transform: scale(1); transition: opacity, transform .8s; } .avatar:nth-of-type(2){ animation-delay: -1.5s; } .avatar:nth-of-type(3){ animation-delay: -3s; } .avatar:nth-of-type(4){ animation-delay: -4.5s; } .avatar:nth-of-type(5){ animation-delay: -6s; } @keyframes circular-smooth-spin { from { transform: rotate(0turn) translateY(-124px) rotate(1turn) } to { opacity: 1; transform: rotate(1turn) translateY(-124px) rotate(0turn) } } </style>

Evan You

Damian Dulisz

defcc

Edd Yerburgh

Sarah Drasner

<script> </script> </script>

!> 如有疑问，后续会添加细节的讲解~

浏览器支持

<iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=css-animation&periods=future_1,current,past_1,past_2,past_3&accessible-colours=false" frameborder="0" width="100%" height="436px"></iframe> <iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=transforms2d&periods=future_1,current,past_1,past_2,past_3&accessible-colours=false" frameborder="0" width="100%" height="458px"></iframe> <iframe src="https://caniuse.bitsofco.de/embed/index.html?feat=css-transitions&periods=future_1,current,past_1,past_2,past_3&accessible-colours=false" frameborder="0" width="100%" height="458px"></iframe>

CSS

1

https://gitee.com/lhammer/You-need-to-know-css.git

git@gitee.com:lhammer/You-need-to-know-css.git

lhammer

You-need-to-know-css

You-need-to-know-css

master