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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="Source to the Rust file `/home/mrh/.cargo/registry/src/github.com-1ecc6299db9ec823/cgmath-0.17.0/src/transform.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>transform.rs.html -- source</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 source"><!--[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></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"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
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<span class="comment">// Copyright 2014 The CGMath Developers. For a full listing of the authors,</span>
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<span class="comment">// refer to the Cargo.toml file at the top-level directory of this distribution.</span>
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<span class="comment">//</span>
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<span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span>
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<span class="comment">// you may not use this file except in compliance with the License.</span>
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<span class="comment">// You may obtain a copy of the License at</span>
|
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<span class="comment">//</span>
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<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span>
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<span class="comment">//</span>
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||
<span class="comment">// Unless required by applicable law or agreed to in writing, software</span>
|
||
<span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span>
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||
<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
|
||
<span class="comment">// See the License for the specific language governing permissions and</span>
|
||
<span class="comment">// limitations under the License.</span>
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<span class="kw">use</span> <span class="ident">structure</span>::<span class="kw-2">*</span>;
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<span class="kw">use</span> <span class="ident">approx</span>;
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<span class="kw">use</span> <span class="ident">matrix</span>::{<span class="ident">Matrix2</span>, <span class="ident">Matrix3</span>, <span class="ident">Matrix4</span>};
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<span class="kw">use</span> <span class="ident">num</span>::{<span class="ident">BaseFloat</span>, <span class="ident">BaseNum</span>};
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<span class="kw">use</span> <span class="ident">point</span>::{<span class="ident">Point2</span>, <span class="ident">Point3</span>};
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<span class="kw">use</span> <span class="ident">rotation</span>::<span class="kw-2">*</span>;
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<span class="kw">use</span> <span class="ident">vector</span>::{<span class="ident">Vector2</span>, <span class="ident">Vector3</span>};
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<span class="doccomment">/// A trait representing an [affine</span>
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<span class="doccomment">/// transformation](https://en.wikipedia.org/wiki/Affine_transformation) that</span>
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<span class="doccomment">/// can be applied to points or vectors. An affine transformation is one which</span>
|
||
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Transform</span><span class="op"><</span><span class="ident">P</span>: <span class="ident">EuclideanSpace</span><span class="op">></span>: <span class="ident">Sized</span> {
|
||
<span class="doccomment">/// Create an identity transformation. That is, a transformation which</span>
|
||
<span class="doccomment">/// does nothing.</span>
|
||
<span class="kw">fn</span> <span class="ident">one</span>() <span class="op">-</span><span class="op">></span> <span class="self">Self</span>;
|
||
|
||
<span class="doccomment">/// Create a transformation that rotates a vector to look at `center` from</span>
|
||
<span class="doccomment">/// `eye`, using `up` for orientation.</span>
|
||
<span class="kw">fn</span> <span class="ident">look_at</span>(<span class="ident">eye</span>: <span class="ident">P</span>, <span class="ident">center</span>: <span class="ident">P</span>, <span class="ident">up</span>: <span class="ident">P</span>::<span class="ident">Diff</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span>;
|
||
|
||
<span class="doccomment">/// Transform a vector using this transform.</span>
|
||
<span class="kw">fn</span> <span class="ident">transform_vector</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">vec</span>: <span class="ident">P</span>::<span class="ident">Diff</span>) <span class="op">-</span><span class="op">></span> <span class="ident">P</span>::<span class="ident">Diff</span>;
|
||
|
||
<span class="doccomment">/// Inverse transform a vector using this transform</span>
|
||
<span class="kw">fn</span> <span class="ident">inverse_transform_vector</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">vec</span>: <span class="ident">P</span>::<span class="ident">Diff</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span><span class="op">></span> {
|
||
<span class="self">self</span>.<span class="ident">inverse_transform</span>()
|
||
.<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">inverse</span><span class="op">|</span> <span class="prelude-val">Some</span>(<span class="ident">inverse</span>.<span class="ident">transform_vector</span>(<span class="ident">vec</span>)))
|
||
}
|
||
|
||
<span class="doccomment">/// Transform a point using this transform.</span>
|
||
<span class="kw">fn</span> <span class="ident">transform_point</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">point</span>: <span class="ident">P</span>) <span class="op">-</span><span class="op">></span> <span class="ident">P</span>;
|
||
|
||
<span class="doccomment">/// Combine this transform with another, yielding a new transformation</span>
|
||
<span class="doccomment">/// which has the effects of both.</span>
|
||
<span class="kw">fn</span> <span class="ident">concat</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span>;
|
||
|
||
<span class="doccomment">/// Create a transform that "un-does" this one.</span>
|
||
<span class="kw">fn</span> <span class="ident">inverse_transform</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="self">Self</span><span class="op">></span>;
|
||
|
||
<span class="doccomment">/// Combine this transform with another, in-place.</span>
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">concat_self</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>) {
|
||
<span class="kw-2">*</span><span class="self">self</span> <span class="op">=</span> <span class="self">Self</span>::<span class="ident">concat</span>(<span class="self">self</span>, <span class="ident">other</span>);
|
||
}
|
||
}
|
||
|
||
<span class="doccomment">/// A generic transformation consisting of a rotation,</span>
|
||
<span class="doccomment">/// displacement vector and scale amount.</span>
|
||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>)]</span>
|
||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">V</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span><span class="op">></span> {
|
||
<span class="kw">pub</span> <span class="ident">scale</span>: <span class="ident">V</span>::<span class="ident">Scalar</span>,
|
||
<span class="kw">pub</span> <span class="ident">rot</span>: <span class="ident">R</span>,
|
||
<span class="kw">pub</span> <span class="ident">disp</span>: <span class="ident">V</span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">P</span>: <span class="ident">EuclideanSpace</span>, <span class="ident">R</span>: <span class="ident">Rotation</span><span class="op"><</span><span class="ident">P</span><span class="op">></span><span class="op">></span> <span class="ident">Transform</span><span class="op"><</span><span class="ident">P</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">P</span>::<span class="ident">Scalar</span>: <span class="ident">BaseFloat</span>,
|
||
<span class="comment">// FIXME: Investigate why this is needed!</span>
|
||
<span class="ident">P</span>::<span class="ident">Diff</span>: <span class="ident">VectorSpace</span>,
|
||
{
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">one</span>() <span class="op">-</span><span class="op">></span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span>, <span class="ident">R</span><span class="op">></span> {
|
||
<span class="ident">Decomposed</span> {
|
||
<span class="ident">scale</span>: <span class="ident">P</span>::<span class="ident">Scalar</span>::<span class="ident">one</span>(),
|
||
<span class="ident">rot</span>: <span class="ident">R</span>::<span class="ident">one</span>(),
|
||
<span class="ident">disp</span>: <span class="ident">P</span>::<span class="ident">Diff</span>::<span class="ident">zero</span>(),
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">look_at</span>(<span class="ident">eye</span>: <span class="ident">P</span>, <span class="ident">center</span>: <span class="ident">P</span>, <span class="ident">up</span>: <span class="ident">P</span>::<span class="ident">Diff</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span>, <span class="ident">R</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">rot</span> <span class="op">=</span> <span class="ident">R</span>::<span class="ident">look_at</span>(<span class="ident">center</span> <span class="op">-</span> <span class="ident">eye</span>, <span class="ident">up</span>);
|
||
<span class="kw">let</span> <span class="ident">disp</span> <span class="op">=</span> <span class="ident">rot</span>.<span class="ident">rotate_vector</span>(<span class="ident">P</span>::<span class="ident">origin</span>() <span class="op">-</span> <span class="ident">eye</span>);
|
||
<span class="ident">Decomposed</span> {
|
||
<span class="ident">scale</span>: <span class="ident">P</span>::<span class="ident">Scalar</span>::<span class="ident">one</span>(),
|
||
<span class="ident">rot</span>: <span class="ident">rot</span>,
|
||
<span class="ident">disp</span>: <span class="ident">disp</span>,
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">transform_vector</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">vec</span>: <span class="ident">P</span>::<span class="ident">Diff</span>) <span class="op">-</span><span class="op">></span> <span class="ident">P</span>::<span class="ident">Diff</span> {
|
||
<span class="self">self</span>.<span class="ident">rot</span>.<span class="ident">rotate_vector</span>(<span class="ident">vec</span> <span class="op">*</span> <span class="self">self</span>.<span class="ident">scale</span>)
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">inverse_transform_vector</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">vec</span>: <span class="ident">P</span>::<span class="ident">Diff</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="macro">ulps_eq</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">scale</span>, <span class="kw-2">&</span><span class="ident">P</span>::<span class="ident">Scalar</span>::<span class="ident">zero</span>()) {
|
||
<span class="prelude-val">None</span>
|
||
} <span class="kw">else</span> {
|
||
<span class="prelude-val">Some</span>(<span class="self">self</span>.<span class="ident">rot</span>.<span class="ident">invert</span>().<span class="ident">rotate_vector</span>(<span class="ident">vec</span> <span class="op">/</span> <span class="self">self</span>.<span class="ident">scale</span>))
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">transform_point</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">point</span>: <span class="ident">P</span>) <span class="op">-</span><span class="op">></span> <span class="ident">P</span> {
|
||
<span class="self">self</span>.<span class="ident">rot</span>.<span class="ident">rotate_point</span>(<span class="ident">point</span> <span class="op">*</span> <span class="self">self</span>.<span class="ident">scale</span>) <span class="op">+</span> <span class="self">self</span>.<span class="ident">disp</span>
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">concat</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="ident">Decomposed</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span>, <span class="ident">R</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span>, <span class="ident">R</span><span class="op">></span> {
|
||
<span class="ident">Decomposed</span> {
|
||
<span class="ident">scale</span>: <span class="self">self</span>.<span class="ident">scale</span> <span class="op">*</span> <span class="ident">other</span>.<span class="ident">scale</span>,
|
||
<span class="ident">rot</span>: <span class="self">self</span>.<span class="ident">rot</span> <span class="op">*</span> <span class="ident">other</span>.<span class="ident">rot</span>,
|
||
<span class="ident">disp</span>: <span class="self">self</span>.<span class="ident">rot</span>.<span class="ident">rotate_vector</span>(<span class="ident">other</span>.<span class="ident">disp</span> <span class="op">*</span> <span class="self">self</span>.<span class="ident">scale</span>) <span class="op">+</span> <span class="self">self</span>.<span class="ident">disp</span>,
|
||
}
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">inverse_transform</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Decomposed</span><span class="op"><</span><span class="ident">P</span>::<span class="ident">Diff</span>, <span class="ident">R</span><span class="op">></span><span class="op">></span> {
|
||
<span class="kw">if</span> <span class="macro">ulps_eq</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">scale</span>, <span class="kw-2">&</span><span class="ident">P</span>::<span class="ident">Scalar</span>::<span class="ident">zero</span>()) {
|
||
<span class="prelude-val">None</span>
|
||
} <span class="kw">else</span> {
|
||
<span class="kw">let</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">P</span>::<span class="ident">Scalar</span>::<span class="ident">one</span>() <span class="op">/</span> <span class="self">self</span>.<span class="ident">scale</span>;
|
||
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">rot</span>.<span class="ident">invert</span>();
|
||
<span class="kw">let</span> <span class="ident">d</span> <span class="op">=</span> <span class="ident">r</span>.<span class="ident">rotate_vector</span>(<span class="self">self</span>.<span class="ident">disp</span>.<span class="ident">clone</span>()) <span class="op">*</span> <span class="op">-</span><span class="ident">s</span>;
|
||
<span class="prelude-val">Some</span>(<span class="ident">Decomposed</span> {
|
||
<span class="ident">scale</span>: <span class="ident">s</span>,
|
||
<span class="ident">rot</span>: <span class="ident">r</span>,
|
||
<span class="ident">disp</span>: <span class="ident">d</span>,
|
||
})
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Transform2</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">BaseNum</span><span class="op">></span>: <span class="ident">Transform</span><span class="op"><</span><span class="ident">Point2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> <span class="op">+</span> <span class="ident">Into</span><span class="op"><</span><span class="ident">Matrix3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> {}
|
||
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Transform3</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">BaseNum</span><span class="op">></span>: <span class="ident">Transform</span><span class="op"><</span><span class="ident">Point3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> <span class="op">+</span> <span class="ident">Into</span><span class="op"><</span><span class="ident">Matrix4</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> {}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">BaseFloat</span>, <span class="ident">R</span>: <span class="ident">Rotation2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="ident">Decomposed</span><span class="op"><</span><span class="ident">Vector2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">R</span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">Matrix3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">dec</span>: <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">Vector2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">R</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Matrix3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">m</span>: <span class="ident">Matrix2</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> <span class="ident">dec</span>.<span class="ident">rot</span>.<span class="ident">into</span>();
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m</span>: <span class="ident">Matrix3</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> (<span class="kw-2">&</span><span class="ident">m</span> <span class="op">*</span> <span class="ident">dec</span>.<span class="ident">scale</span>).<span class="ident">into</span>();
|
||
<span class="ident">m</span>.<span class="ident">z</span> <span class="op">=</span> <span class="ident">dec</span>.<span class="ident">disp</span>.<span class="ident">extend</span>(<span class="ident">S</span>::<span class="ident">one</span>());
|
||
<span class="ident">m</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">BaseFloat</span>, <span class="ident">R</span>: <span class="ident">Rotation3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="ident">Decomposed</span><span class="op"><</span><span class="ident">Vector3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">R</span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">Matrix4</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">dec</span>: <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">Vector3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">R</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="ident">Matrix4</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">m</span>: <span class="ident">Matrix3</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> <span class="ident">dec</span>.<span class="ident">rot</span>.<span class="ident">into</span>();
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m</span>: <span class="ident">Matrix4</span><span class="op"><</span><span class="kw">_</span><span class="op">></span> <span class="op">=</span> (<span class="kw-2">&</span><span class="ident">m</span> <span class="op">*</span> <span class="ident">dec</span>.<span class="ident">scale</span>).<span class="ident">into</span>();
|
||
<span class="ident">m</span>.<span class="ident">w</span> <span class="op">=</span> <span class="ident">dec</span>.<span class="ident">disp</span>.<span class="ident">extend</span>(<span class="ident">S</span>::<span class="ident">one</span>());
|
||
<span class="ident">m</span>
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">BaseFloat</span>, <span class="ident">R</span>: <span class="ident">Rotation2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> <span class="ident">Transform2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">Vector2</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">R</span><span class="op">></span> {}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">BaseFloat</span>, <span class="ident">R</span>: <span class="ident">Rotation3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span><span class="op">></span> <span class="ident">Transform3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">Vector3</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>, <span class="ident">R</span><span class="op">></span> {}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span>, <span class="ident">E</span>: <span class="ident">BaseFloat</span><span class="op">></span> <span class="ident">approx</span>::<span class="ident">AbsDiffEq</span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">approx</span>::<span class="ident">AbsDiffEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>: <span class="ident">approx</span>::<span class="ident">AbsDiffEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
<span class="ident">R</span>: <span class="ident">approx</span>::<span class="ident">AbsDiffEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span>;
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">default_epsilon</span>() <span class="op">-</span><span class="op">></span> <span class="ident">E</span> {
|
||
<span class="ident">E</span>::<span class="ident">default_epsilon</span>()
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">abs_diff_eq</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>, <span class="ident">epsilon</span>: <span class="ident">E</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> {
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>::<span class="ident">abs_diff_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">scale</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">scale</span>, <span class="ident">epsilon</span>)
|
||
<span class="kw-2">&</span><span class="op">&</span> <span class="ident">R</span>::<span class="ident">abs_diff_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">rot</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">rot</span>, <span class="ident">epsilon</span>)
|
||
<span class="kw-2">&</span><span class="op">&</span> <span class="ident">S</span>::<span class="ident">abs_diff_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">disp</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">disp</span>, <span class="ident">epsilon</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span>, <span class="ident">E</span>: <span class="ident">BaseFloat</span><span class="op">></span> <span class="ident">approx</span>::<span class="ident">RelativeEq</span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">approx</span>::<span class="ident">RelativeEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>: <span class="ident">approx</span>::<span class="ident">RelativeEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
<span class="ident">R</span>: <span class="ident">approx</span>::<span class="ident">RelativeEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
{
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">default_max_relative</span>() <span class="op">-</span><span class="op">></span> <span class="ident">E</span> {
|
||
<span class="ident">E</span>::<span class="ident">default_max_relative</span>()
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">relative_eq</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>, <span class="ident">epsilon</span>: <span class="ident">E</span>, <span class="ident">max_relative</span>: <span class="ident">E</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> {
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>::<span class="ident">relative_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">scale</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">scale</span>, <span class="ident">epsilon</span>, <span class="ident">max_relative</span>)
|
||
<span class="kw-2">&</span><span class="op">&</span> <span class="ident">R</span>::<span class="ident">relative_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">rot</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">rot</span>, <span class="ident">epsilon</span>, <span class="ident">max_relative</span>)
|
||
<span class="kw-2">&</span><span class="op">&</span> <span class="ident">S</span>::<span class="ident">relative_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">disp</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">disp</span>, <span class="ident">epsilon</span>, <span class="ident">max_relative</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span>, <span class="ident">E</span>: <span class="ident">BaseFloat</span><span class="op">></span> <span class="ident">approx</span>::<span class="ident">UlpsEq</span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">approx</span>::<span class="ident">UlpsEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>: <span class="ident">approx</span>::<span class="ident">UlpsEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
<span class="ident">R</span>: <span class="ident">approx</span>::<span class="ident">UlpsEq</span><span class="op"><</span><span class="ident">Epsilon</span> <span class="op">=</span> <span class="ident">E</span><span class="op">></span>,
|
||
{
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">default_max_ulps</span>() <span class="op">-</span><span class="op">></span> <span class="ident">u32</span> {
|
||
<span class="ident">E</span>::<span class="ident">default_max_ulps</span>()
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">inline</span>]</span>
|
||
<span class="kw">fn</span> <span class="ident">ulps_eq</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="self">Self</span>, <span class="ident">epsilon</span>: <span class="ident">E</span>, <span class="ident">max_ulps</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> {
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>::<span class="ident">ulps_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">scale</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">scale</span>, <span class="ident">epsilon</span>, <span class="ident">max_ulps</span>)
|
||
<span class="kw-2">&</span><span class="op">&</span> <span class="ident">R</span>::<span class="ident">ulps_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">rot</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">rot</span>, <span class="ident">epsilon</span>, <span class="ident">max_ulps</span>)
|
||
<span class="kw-2">&</span><span class="op">&</span> <span class="ident">S</span>::<span class="ident">ulps_eq</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">disp</span>, <span class="kw-2">&</span><span class="ident">other</span>.<span class="ident">disp</span>, <span class="ident">epsilon</span>, <span class="ident">max_ulps</span>)
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde"</span>)]</span>
|
||
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
|
||
<span class="kw">mod</span> <span class="ident">serde_ser</span> {
|
||
<span class="kw">use</span> <span class="ident">structure</span>::<span class="ident">VectorSpace</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">Decomposed</span>;
|
||
<span class="kw">use</span> <span class="ident">serde</span>::{<span class="self">self</span>, <span class="ident">Serialize</span>};
|
||
<span class="kw">use</span> <span class="ident">serde</span>::<span class="ident">ser</span>::<span class="ident">SerializeStruct</span>;
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="ident">V</span>, <span class="ident">R</span><span class="op">></span> <span class="ident">Serialize</span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">V</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">V</span>: <span class="ident">Serialize</span> <span class="op">+</span> <span class="ident">VectorSpace</span>,
|
||
<span class="ident">V</span>::<span class="ident">Scalar</span>: <span class="ident">Serialize</span>,
|
||
<span class="ident">R</span>: <span class="ident">Serialize</span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">serialize</span><span class="op"><</span><span class="ident">S</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">serializer</span>: <span class="ident">S</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">S</span>::<span class="prelude-val">Ok</span>, <span class="ident">S</span>::<span class="ident">Error</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">serde</span>::<span class="ident">Serializer</span>,
|
||
{
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">struc</span> <span class="op">=</span> <span class="ident">serializer</span>.<span class="ident">serialize_struct</span>(<span class="string">"Decomposed"</span>, <span class="number">3</span>)<span class="question-mark">?</span>;
|
||
<span class="ident">struc</span>.<span class="ident">serialize_field</span>(<span class="string">"scale"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">scale</span>)<span class="question-mark">?</span>;
|
||
<span class="ident">struc</span>.<span class="ident">serialize_field</span>(<span class="string">"rot"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">rot</span>)<span class="question-mark">?</span>;
|
||
<span class="ident">struc</span>.<span class="ident">serialize_field</span>(<span class="string">"disp"</span>, <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">disp</span>)<span class="question-mark">?</span>;
|
||
<span class="ident">struc</span>.<span class="ident">end</span>()
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde"</span>)]</span>
|
||
<span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span>
|
||
<span class="kw">mod</span> <span class="ident">serde_de</span> {
|
||
<span class="kw">use</span> <span class="ident">structure</span>::<span class="ident">VectorSpace</span>;
|
||
<span class="kw">use</span> <span class="kw">super</span>::<span class="ident">Decomposed</span>;
|
||
<span class="kw">use</span> <span class="ident">serde</span>::{<span class="self">self</span>, <span class="ident">Deserialize</span>};
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">marker</span>::<span class="ident">PhantomData</span>;
|
||
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>;
|
||
|
||
<span class="kw">enum</span> <span class="ident">DecomposedField</span> {
|
||
<span class="ident">Scale</span>,
|
||
<span class="ident">Rot</span>,
|
||
<span class="ident">Disp</span>,
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="kw">for</span> <span class="ident">DecomposedField</span> {
|
||
<span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="ident">deserializer</span>: <span class="ident">D</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">DecomposedField</span>, <span class="ident">D</span>::<span class="ident">Error</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">D</span>: <span class="ident">serde</span>::<span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
{
|
||
<span class="kw">struct</span> <span class="ident">DecomposedFieldVisitor</span>;
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'b</span><span class="op">></span> <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'b</span><span class="op">></span> <span class="kw">for</span> <span class="ident">DecomposedFieldVisitor</span> {
|
||
<span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">DecomposedField</span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
|
||
<span class="ident">formatter</span>.<span class="ident">write_str</span>(<span class="string">"`scale`, `rot` or `disp`"</span>)
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">visit_str</span><span class="op"><</span><span class="ident">E</span><span class="op">></span>(<span class="self">self</span>, <span class="ident">value</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">DecomposedField</span>, <span class="ident">E</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">E</span>: <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Error</span>,
|
||
{
|
||
<span class="kw">match</span> <span class="ident">value</span> {
|
||
<span class="string">"scale"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">DecomposedField</span>::<span class="ident">Scale</span>),
|
||
<span class="string">"rot"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">DecomposedField</span>::<span class="ident">Rot</span>),
|
||
<span class="string">"disp"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">DecomposedField</span>::<span class="ident">Disp</span>),
|
||
<span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Error</span>::<span class="ident">custom</span>(<span class="string">"expected scale, rot or disp"</span>)),
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="ident">deserializer</span>.<span class="ident">deserialize_str</span>(<span class="ident">DecomposedFieldVisitor</span>)
|
||
}
|
||
}
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">S</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span><span class="op">></span> <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
<span class="ident">R</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
{
|
||
<span class="kw">fn</span> <span class="ident">deserialize</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>(<span class="ident">deserializer</span>: <span class="ident">D</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>, <span class="ident">D</span>::<span class="ident">Error</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">D</span>: <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Deserializer</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
{
|
||
<span class="kw">const</span> <span class="ident">FIELDS</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> [<span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span>] <span class="op">=</span> <span class="kw-2">&</span>[<span class="string">"scale"</span>, <span class="string">"rot"</span>, <span class="string">"disp"</span>];
|
||
<span class="ident">deserializer</span>.<span class="ident">deserialize_struct</span>(<span class="string">"Decomposed"</span>, <span class="ident">FIELDS</span>, <span class="ident">DecomposedVisitor</span>(<span class="ident">PhantomData</span>))
|
||
}
|
||
}
|
||
|
||
<span class="kw">struct</span> <span class="ident">DecomposedVisitor</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span><span class="op">></span>(<span class="ident">PhantomData</span><span class="op"><</span>(<span class="ident">S</span>, <span class="ident">R</span>)<span class="op">></span>);
|
||
|
||
<span class="kw">impl</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">S</span>: <span class="ident">VectorSpace</span>, <span class="ident">R</span><span class="op">></span> <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Visitor</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span> <span class="kw">for</span> <span class="ident">DecomposedVisitor</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">S</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
<span class="ident">S</span>::<span class="ident">Scalar</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
<span class="ident">R</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
{
|
||
<span class="kw">type</span> <span class="ident">Value</span> <span class="op">=</span> <span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>;
|
||
|
||
<span class="kw">fn</span> <span class="ident">expecting</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">formatter</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> {
|
||
<span class="ident">formatter</span>.<span class="ident">write_str</span>(<span class="string">"`scale`, `rot` and `disp` fields"</span>)
|
||
}
|
||
|
||
<span class="kw">fn</span> <span class="ident">visit_map</span><span class="op"><</span><span class="ident">V</span><span class="op">></span>(<span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">visitor</span>: <span class="ident">V</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Decomposed</span><span class="op"><</span><span class="ident">S</span>, <span class="ident">R</span><span class="op">></span>, <span class="ident">V</span>::<span class="ident">Error</span><span class="op">></span>
|
||
<span class="kw">where</span>
|
||
<span class="ident">V</span>: <span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">MapAccess</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>,
|
||
{
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">scale</span> <span class="op">=</span> <span class="prelude-val">None</span>;
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">rot</span> <span class="op">=</span> <span class="prelude-val">None</span>;
|
||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">disp</span> <span class="op">=</span> <span class="prelude-val">None</span>;
|
||
|
||
<span class="kw">while</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">key</span>) <span class="op">=</span> <span class="ident">visitor</span>.<span class="ident">next_key</span>()<span class="question-mark">?</span> {
|
||
<span class="kw">match</span> <span class="ident">key</span> {
|
||
<span class="ident">DecomposedField</span>::<span class="ident">Scale</span> <span class="op">=</span><span class="op">></span> {
|
||
<span class="ident">scale</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">visitor</span>.<span class="ident">next_value</span>()<span class="question-mark">?</span>);
|
||
}
|
||
<span class="ident">DecomposedField</span>::<span class="ident">Rot</span> <span class="op">=</span><span class="op">></span> {
|
||
<span class="ident">rot</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">visitor</span>.<span class="ident">next_value</span>()<span class="question-mark">?</span>);
|
||
}
|
||
<span class="ident">DecomposedField</span>::<span class="ident">Disp</span> <span class="op">=</span><span class="op">></span> {
|
||
<span class="ident">disp</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">visitor</span>.<span class="ident">next_value</span>()<span class="question-mark">?</span>);
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="kw">let</span> <span class="ident">scale</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">scale</span> {
|
||
<span class="prelude-val">Some</span>(<span class="ident">scale</span>) <span class="op">=</span><span class="op">></span> <span class="ident">scale</span>,
|
||
<span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Error</span>::<span class="ident">missing_field</span>(<span class="string">"scale"</span>)),
|
||
};
|
||
|
||
<span class="kw">let</span> <span class="ident">rot</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">rot</span> {
|
||
<span class="prelude-val">Some</span>(<span class="ident">rot</span>) <span class="op">=</span><span class="op">></span> <span class="ident">rot</span>,
|
||
<span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Error</span>::<span class="ident">missing_field</span>(<span class="string">"rot"</span>)),
|
||
};
|
||
|
||
<span class="kw">let</span> <span class="ident">disp</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">disp</span> {
|
||
<span class="prelude-val">Some</span>(<span class="ident">disp</span>) <span class="op">=</span><span class="op">></span> <span class="ident">disp</span>,
|
||
<span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">serde</span>::<span class="ident">de</span>::<span class="ident">Error</span>::<span class="ident">missing_field</span>(<span class="string">"disp"</span>)),
|
||
};
|
||
|
||
<span class="prelude-val">Ok</span>(<span class="ident">Decomposed</span> {
|
||
<span class="ident">scale</span>: <span class="ident">scale</span>,
|
||
<span class="ident">rot</span>: <span class="ident">rot</span>,
|
||
<span class="ident">disp</span>: <span class="ident">disp</span>,
|
||
})
|
||
}
|
||
}
|
||
}
|
||
</pre></div>
|
||
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