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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `Transform` trait in crate `cgmath`."><meta name="keywords" content="rust, rustlang, rust-lang, Transform"><title>cgmath::Transform - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../cgmath/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Trait Transform</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.concat">concat</a><a href="#tymethod.inverse_transform">inverse_transform</a><a href="#tymethod.look_at">look_at</a><a href="#tymethod.one">one</a><a href="#tymethod.transform_point">transform_point</a><a href="#tymethod.transform_vector">transform_vector</a></div><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.concat_self">concat_self</a><a href="#method.inverse_transform_vector">inverse_transform_vector</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>cgmath</a></p><script>window.sidebarCurrent = {name: 'Transform', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/cgmath/transform.rs.html#28-61' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='index.html'>cgmath</a>::<wbr><a class="trait" href=''>Transform</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait Transform<P: <a class="trait" href="../cgmath/prelude/trait.EuclideanSpace.html" title="trait cgmath::prelude::EuclideanSpace">EuclideanSpace</a>>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
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fn <a href='#tymethod.one' class='fnname'>one</a>() -> Self;
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<div class='item-spacer'></div> fn <a href='#tymethod.look_at' class='fnname'>look_at</a>(eye: P, center: P, up: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> Self;
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<div class='item-spacer'></div> fn <a href='#tymethod.transform_vector' class='fnname'>transform_vector</a>(&self, vec: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>;
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<div class='item-spacer'></div> fn <a href='#tymethod.transform_point' class='fnname'>transform_point</a>(&self, point: P) -> P;
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<div class='item-spacer'></div> fn <a href='#tymethod.concat' class='fnname'>concat</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self) -> Self;
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<div class='item-spacer'></div> fn <a href='#tymethod.inverse_transform' class='fnname'>inverse_transform</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self>;
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fn <a href='#method.inverse_transform_vector' class='fnname'>inverse_transform_vector</a>(&self, vec: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>> { ... }
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<div class='item-spacer'></div> fn <a href='#method.concat_self' class='fnname'>concat_self</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self) { ... }
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}</pre></div><div class='docblock'><p>A trait representing an <a href="https://en.wikipedia.org/wiki/Affine_transformation">affine
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transformation</a> that
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can be applied to points or vectors. An affine transformation is one which</p>
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</div>
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<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.one' class='method'><code id='one.v'>fn <a href='#tymethod.one' class='fnname'>one</a>() -> Self</code></h3><div class='docblock'><p>Create an identity transformation. That is, a transformation which
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does nothing.</p>
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</div><h3 id='tymethod.look_at' class='method'><code id='look_at.v'>fn <a href='#tymethod.look_at' class='fnname'>look_at</a>(eye: P, center: P, up: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> Self</code></h3><div class='docblock'><p>Create a transformation that rotates a vector to look at <code>center</code> from
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<code>eye</code>, using <code>up</code> for orientation.</p>
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</div><h3 id='tymethod.transform_vector' class='method'><code id='transform_vector.v'>fn <a href='#tymethod.transform_vector' class='fnname'>transform_vector</a>(&self, vec: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a></code></h3><div class='docblock'><p>Transform a vector using this transform.</p>
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</div><h3 id='tymethod.transform_point' class='method'><code id='transform_point.v'>fn <a href='#tymethod.transform_point' class='fnname'>transform_point</a>(&self, point: P) -> P</code></h3><div class='docblock'><p>Transform a point using this transform.</p>
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</div><h3 id='tymethod.concat' class='method'><code id='concat.v'>fn <a href='#tymethod.concat' class='fnname'>concat</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self) -> Self</code></h3><div class='docblock'><p>Combine this transform with another, yielding a new transformation
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which has the effects of both.</p>
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</div><h3 id='tymethod.inverse_transform' class='method'><code id='inverse_transform.v'>fn <a href='#tymethod.inverse_transform' class='fnname'>inverse_transform</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Self></code></h3><div class='docblock'><p>Create a transform that "un-does" this one.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='provided-methods' class='small-section-header'>Provided methods<a href='#provided-methods' class='anchor'></a></h2><div class='methods'><h3 id='method.inverse_transform_vector' class='method'><code id='inverse_transform_vector.v'>fn <a href='#method.inverse_transform_vector' class='fnname'>inverse_transform_vector</a>(&self, vec: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>></code></h3><div class='docblock'><p>Inverse transform a vector using this transform</p>
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</div><h3 id='method.concat_self' class='method'><code id='concat_self.v'>fn <a href='#method.concat_self' class='fnname'>concat_self</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code></h3><div class='docblock'><p>Combine this transform with another, in-place.</p>
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</div></div><span class='loading-content'>Loading content...</span>
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<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-Transform%3CP%3E' class='impl'><code class='in-band'>impl<P: <a class="trait" href="../cgmath/prelude/trait.EuclideanSpace.html" title="trait cgmath::prelude::EuclideanSpace">EuclideanSpace</a>, R: <a class="trait" href="../cgmath/prelude/trait.Rotation.html" title="trait cgmath::prelude::Rotation">Rotation</a><P>> Transform<P> for <a class="struct" href="../cgmath/struct.Decomposed.html" title="struct cgmath::Decomposed">Decomposed</a><P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>, R> <span class="where fmt-newline">where<br> P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Scalar" title="type cgmath::prelude::EuclideanSpace::Scalar">Scalar</a>: <a class="trait" href="../cgmath/trait.BaseFloat.html" title="trait cgmath::BaseFloat">BaseFloat</a>,<br> P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>: <a class="trait" href="../cgmath/prelude/trait.VectorSpace.html" title="trait cgmath::prelude::VectorSpace">VectorSpace</a>, </span></code><a href='#impl-Transform%3CP%3E' class='anchor'></a><a class='srclink' href='../src/cgmath/transform.rs.html#72-139' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.one' class="method hidden"><code id='one.v-1'>fn <a href='#method.one' class='fnname'>one</a>() -> <a class="struct" href="../cgmath/struct.Decomposed.html" title="struct cgmath::Decomposed">Decomposed</a><P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>, R></code><a class='srclink' href='../src/cgmath/transform.rs.html#79-85' title='goto source code'>[src]</a></h4><h4 id='method.look_at' class="method hidden"><code id='look_at.v-1'>fn <a href='#method.look_at' class='fnname'>look_at</a>(eye: P, center: P, up: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> <a class="struct" href="../cgmath/struct.Decomposed.html" title="struct cgmath::Decomposed">Decomposed</a><P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>, R></code><a class='srclink' href='../src/cgmath/transform.rs.html#88-96' title='goto source code'>[src]</a></h4><h4 id='method.transform_vector' class="method hidden"><code id='transform_vector.v-1'>fn <a href='#method.transform_vector' class='fnname'>transform_vector</a>(&self, vec: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a></code><a class='srclink' href='../src/cgmath/transform.rs.html#99-101' title='goto source code'>[src]</a></h4><h4 id='method.inverse_transform_vector-1' class="method hidden"><code id='inverse_transform_vector.v-1'>fn <a href='#method.inverse_transform_vector-1' class='fnname'>inverse_transform_vector</a>(&self, vec: P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><P::<a class="type" href="../cgmath/prelude/trait.EuclideanSpace.html#associatedtype.Diff" title="type cgmath::prelude::EuclideanSpace::Diff">Diff</a>></code><a class='srclink' href='.
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