css的透视效果perspective

2024-08-23 19:33:20 浏览数 (3)

有两件事我最憎恶:没有信仰的博才多学和充满信仰的愚昧无知。——爱默生

我们知道css中我们的transform可以调整z轴,这说明css是有3d能力的

但是我们通常看一个3d的物体,是近的地方大,远的地方小甚至被遮挡,要实现这样的透视效果其实只需要一个css属性即可

https://developer.mozilla.org/zh-CN/docs/Web/CSS/perspective

就比如这个正方体:

代码

代码语言:javascript复制
<div id="example-element" class="transition-all" style="perspective: 800px;" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">
      <div class="face front" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">1</div>
      <div class="face back" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">2</div>
      <div class="face right" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">3</div>
      <div class="face left" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">4</div>
      <div class="face top" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">5</div>
      <div class="face bottom" data-immersive-translate-walked="0feca0b2-b725-4a5c-91aa-4690c29a453c">6</div>
    </div>

效果

如果我们设置perspective: 800px;

代码

代码语言:javascript复制
<div id="example-element" class="transition-all" style="perspective: 800px;" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">
      <div class="face front" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">1</div>
      <div class="face back" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">2</div>
      <div class="face right" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">3</div>
      <div class="face left" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">4</div>
      <div class="face top" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">5</div>
      <div class="face bottom" data-immersive-translate-walked="b1d212a5-696e-42f8-b9b3-e677dce0025c">6</div>
    </div>

效果

可以看到前面的面变大,后面的变小,侧面的做了拉伸

这个数值越大,看起来就离得越远,等于是设置了摄像机与元素的距离

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