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diff --git a/files/vi/web/css/transform-function/perspective()/index.html b/files/vi/web/css/transform-function/perspective()/index.html deleted file mode 100644 index a69e46e094..0000000000 --- a/files/vi/web/css/transform-function/perspective()/index.html +++ /dev/null @@ -1,153 +0,0 @@ ---- -title: perspective() -slug: Web/CSS/transform-function/perspective() -translation_of: Web/CSS/transform-function/perspective() ---- -<div>{{CSSRef}}</div> - -<p>The <strong><code>perspective()</code></strong> <a href="/en-US/docs/Web/CSS">CSS</a> function defines a transformation that sets the distance between the user and the z=0 plane, the perspective from which the viewer would be if the 2-dimensional interface were 3-dimensional. Its result is a {{cssxref("<transform-function>")}} data type.</p> - -<div>{{EmbedInteractiveExample("pages/css/function-perspective.html")}}</div> - - - -<p>The <code>perspective()</code> transform function is part of the {{cssxref('transform')}} value applied on the element being transformed. This differs from the {{cssxref('perspective')}} and {{cssxref('perspective-origin')}} properties which are attached to the parent of a child transformed in 3-dimensional space.</p> - -<h2 id="Syntax">Syntax</h2> - -<p>The perspective distance used by <code>perspective()</code> is specified by a {{cssxref("<length>")}} value, which represents the distance between the user and the z=0 plane. The z=0 plane is the plane where everything appears in a 2-dimensional view, or the screen. A positive value makes the element appear closer to the user than the rest of the interface, a negative value farther. The greater the value, the further away the perspective of the user is.</p> - -<pre class="syntaxbox">perspective(d) -</pre> - -<h3 id="Values">Values</h3> - -<dl> - <dt><var>d</var></dt> - <dd>Is a {{cssxref("<length>")}} representing the distance from the user to the z=0 plane. If it is 0 or a negative value, no perspective transform is applied.</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>This transformation applies to the 3D space and can't be represented on the plane.</p> - </td> - <td colspan="1" rowspan="2">This transformation is not a linear transformation in ℝ<sup>3</sup>, and can't be represented using a Cartesian-coordinate matrix.</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> - -<h3 id="HTML">HTML</h3> - -<pre class="brush: html"><p>Without perspective:</p> -<div class="no-perspective-box"> - <div class="face front">A</div> - <div class="face top">B</div> - <div class="face left">C</div> -</div> - -<p>With perspective (9cm):</p> -<div class="perspective-box-far"> - <div class="face front">A</div> - <div class="face top">B</div> - <div class="face left">C</div> -</div> - -<p>With perspective (4cm):</p> -<div class="perspective-box-closer"> - <div class="face front">A</div> - <div class="face top">B</div> - <div class="face left">C</div> -</div> -</pre> - -<h3 id="CSS">CSS</h3> - -<pre class="brush: css">.face { - position: absolute; - width: 100px; - height: 100px; - line-height: 100px; - font-size: 100px; - text-align: center; -} - -p + div { - width: 100px; - height: 100px; - transform-style: preserve-3d; - margin-left: 100px; -} -.no-perspective-box { - transform: rotateX(-15deg) rotateY(30deg); -} - -.perspective-box-far { - transform: perspective(9cm) rotateX(-15deg) rotateY(30deg); -} - -.perspective-box-closer { - transform: perspective(4cm) rotateX(-15deg) rotateY(30deg); -} - -.top { - background-color: skyblue; - transform: rotateX(90deg) translate3d(0, 0, 50px); -} - -.left { - background-color: pink; - transform: rotateY(-90deg) translate3d(0, 0, 50px); -} - -.front { - background-color: limegreen; - transform: translate3d(0, 0, 50px); -} -</pre> - -<h3 id="Result">Result</h3> - -<p>{{ EmbedLiveSample('Examples', '250', '350') }}</p> - -<h2 id="Specifications">Specifications</h2> - -<table class="standard-table"> - <thead> - <tr> - <th scope="col">Specification</th> - <th scope="col">Status</th> - <th scope="col">Comment</th> - </tr> - </thead> - <tbody> - <tr> - <td>{{SpecName("CSS Transforms 2", "#funcdef-perspective", "perspective()")}}</td> - <td>{{Spec2("CSS Transforms 2")}}</td> - <td>Initial definition</td> - </tr> - </tbody> -</table> - -<h2 id="Browser_compatibility">Browser compatibility</h2> - -<p>Please see the <code><a href="/en-US/docs/Web/CSS/transform-function#Browser_compatibility"><transform-function></a></code> data type for compatibility info.</p> - -<h2 id="See_also">See also</h2> - -<ul> - <li>{{cssxref("transform")}}</li> - <li>{{cssxref("<transform-function>")}}</li> -</ul> |