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diff --git a/files/zh-cn/web/css/transform-function/perspective()/index.html b/files/zh-cn/web/css/transform-function/perspective()/index.html deleted file mode 100644 index 833023d9c3..0000000000 --- a/files/zh-cn/web/css/transform-function/perspective()/index.html +++ /dev/null @@ -1,46 +0,0 @@ ---- -title: perspective() -slug: Web/CSS/transform-function/perspective() -translation_of: Web/CSS/transform-function/perspective() ---- -<div>{{CSSRef}}</div> - -<div>透视函数定义了到z=0的坐标轴，使用者能够得到3D定位元素的透视，每个3D元素在Z轴的位置大于零意味着离使用者更近，因此会变得更大，同理当元素Z周小于零时会变得ge</div> - -<p>T更小，变化的幅度决定于属性值的变化大小 </p> - -<h2 id="语法">语法</h2> - -<pre class="syntaxbox notranslate">perspective(l) -</pre> - -<h2 id="参数">参数</h2> - -<dl> - <dt><em>l</em></dt> - <dd>这个{{cssxref("<length>")}} 得到的是距离0坐标的距离. 被用作提供一个透视渐变属性给某个元素. 如果这个值是0或者不合法的值，将不会产生透视的变化.</dd> -</dl> - -<table class="standard-table"> - <thead> - <tr> - <th scope="col">Cartesian coordinates on ℝ<sup>2</sup></th> - <th scope="col">Homogeneous coordinates on ℝℙ<sup>2</sup></th> - <th scope="col">Cartesian coordinates on ℝ<sup>3</sup></th> - <th scope="col">Homogeneous coordinates on ℝℙ<sup>3</sup></th> - </tr> - </thead> - <tbody> - <tr> - <td colspan="2" rowspan="2"> - <p>这个属性变化提供了一个3D空间，并且不会变成平面类型</p> - </td> - <td colspan="1" rowspan="2">A perspective is not a linear transform in ℝ<sup>3</sup> and cannot be represented using a matrix in the Cartesian coordinates system.</td> - <td colspan="1" rowspan="2"><math> <mfenced><mtable><mtr>1<mtd>0</mtd><mtd>0</mtd><mtd>0</mtd></mtr><mtr>0<mtd>1</mtd><mtd>0</mtd><mtd>0</mtd></mtr><mtr><mtd>0</mtd><mtd>0</mtd><mtd>1</mtd><mtd>0</mtd></mtr><mtr><mtd>0</mtd><mtd>0</mtd><mtd><mo>−</mo>1<mo>/</mo>d</mtd><mtd>1</mtd></mtr></mtable> </mfenced> </math></td> - </tr> - </tbody> -</table> - -<h2 id="Examples">Examples</h2> - -<p>TBD</p> |