纯CSS3视差和移动端

Question

纯CSS3视差和移动端

4

我将使用transform3D来实现纯CSS视差效果。这里是一个非常混乱的演示设置: http://codepen.io/anon/pen/nGAvw 这是进行转换的主要代码:

transform: translateZ(-1px) scale(2);
z-index: -1;
transform-style: preserve-3d;

我希望我的视差图像可以使用overflow:hidden进行裁剪。这在桌面版的Chrome/Safari上运行良好，但在移动版的Safari上停止工作。从我的进一步实验来看，在Android上运行良好，但在iOS7上停止工作。

有什么办法解决吗？是否有办法在iOS上裁剪翻译的对象？

- Michał Jerzy Lew

你尝试过使用-webkit-, -moz-, -o- 伪元素吗？ - Ivijan Stefan Stipić

1

你需要使用-webkit-。 - Timothy

你的视差项是什么？“停止工作”是什么意思？ - Todd

另外，z-index仅适用于定位元素，例如相对定位。 - Todd

1个回答

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- gyo · Answer 1

你可能想看一下这个在移动版Safari上运行的例子：

http://blog.keithclark.co.uk/pure-css-parallax-websites/

我也在Codepen上复制了它以便跟踪：

http://codepen.io/gyopiazza/pen/BazoG

这里是代码...

HTML

  <div class="parallax">
    <div id="group1" class="parallax__group">
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
    </div>
    <div id="group2" class="parallax__group">
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
      <div class="parallax__layer parallax__layer--back">
        <div class="title">Background Layer</div>
      </div>
    </div>
    <div id="group3" class="parallax__group">
      <div class="parallax__layer parallax__layer--fore">
        <div class="title">Foreground Layer</div>
      </div>
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
    </div>
    <div id="group4" class="parallax__group">
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
      <div class="parallax__layer parallax__layer--back">
        <div class="title">Background Layer</div>
      </div>
      <div class="parallax__layer parallax__layer--deep">
        <div class="title">Deep Background Layer</div>
      </div>
    </div>
    <div id="group5" class="parallax__group">
      <div class="parallax__layer parallax__layer--fore">
        <div class="title">Foreground Layer</div>
      </div>
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
    </div>
    <div id="group6" class="parallax__group">
      <div class="parallax__layer parallax__layer--back">
        <div class="title">Background Layer</div>
      </div>
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
    </div>
    <div id="group7" class="parallax__group">
      <div class="parallax__layer parallax__layer--base">
        <div class="title">Base Layer</div>
      </div>
    </div>
  </div>

CSS

/* Parallax base styles
  --------------------------------------------- */

  .parallax {
    height: 500px; /* fallback for older browsers */
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-perspective: 300px;
    perspective: 300px;
  }

  .parallax__group {
    position: relative;
    height: 500px; /* fallback for older browsers */
    height: 100vh;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }

  .parallax__layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }

  .parallax__layer--fore {
    -webkit-transform: translateZ(90px) scale(.7);
    transform: translateZ(90px) scale(.7);
    z-index: 1;
  }

  .parallax__layer--base {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    z-index: 4;
  }

  .parallax__layer--back {
    -webkit-transform: translateZ(-300px) scale(2);
    transform: translateZ(-300px) scale(2);
    z-index: 3;
  }

  .parallax__layer--deep {
    -webkit-transform: translateZ(-600px) scale(3);
    transform: translateZ(-600px) scale(3);
    z-index: 2;
  }


  /* demo styles
  --------------------------------------------- */

  body, html {
    overflow: hidden;
  }

  body {
    font: 100% / 1.5 Arial;
  }

  * {
    margin:0;
    padding:0;
  }

  .parallax {
    font-size: 200%;
  }

   /* centre the content in the parallax layers */
  .title {
    text-align: center;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }



  /* style the groups
  --------------------------------------------- */

  #group1 {
    z-index: 5; /* slide over group 2 */
  }
  #group1 .parallax__layer--base {
    background: rgb(102,204,102);
  }

  #group2 {
    z-index: 3; /* slide under groups 1 and 3 */
  }
  #group2 .parallax__layer--back {
    background: rgb(123,210,102);
  }

  #group3 {
    z-index: 4; /* slide over group 2 and 4 */
  }
  #group3 .parallax__layer--base {
    background: rgb(153,216,101);
  }

  #group4 {
    z-index: 2; /* slide under group 3 and 5 */
  }
  #group4 .parallax__layer--deep {
    background: rgb(184,223,101);
  }

  #group5 {
    z-index: 3; /* slide over group 4 and 6 */
  }
  #group5 .parallax__layer--base {
    background: rgb(214,229,100);
  }

  #group6 {
    z-index: 2; /* slide under group 5 and 7 */
  }
  #group6 .parallax__layer--back {
    background: rgb(245,235,100);
  }

  #group7 {
    z-index: 3; /* slide over group 7 */
  }
  #group7 .parallax__layer--base {
    background: rgb(255,241,100);
  }