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<li class="navelem"><a class="el" href="namespacegcu.html">gcu</a></li><li class="navelem"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">gcu::Matrix2D Class Reference</div> </div>
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<p><code>#include <<a class="el" href="matrix2d_8h_source.html">gcu/matrix2d.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a50b711076daa5e73afd816ead60f38cb"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#a50b711076daa5e73afd816ead60f38cb">Matrix2D</a> ()</td></tr>
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<tr class="memitem:a24fea5a0157d7510488592a32f49f713"><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#a24fea5a0157d7510488592a32f49f713">~Matrix2D</a> ()</td></tr>
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<tr class="memitem:ad0e8fa0df927d56b7182856063cf202a"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#ad0e8fa0df927d56b7182856063cf202a">Matrix2D</a> (double Angle, bool Deg=true)</td></tr>
<tr class="separator:ad0e8fa0df927d56b7182856063cf202a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae76088b5f082ffbf2bb079b9cb600cbb"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#ae76088b5f082ffbf2bb079b9cb600cbb">Matrix2D</a> (double x11, double x12, double x21, double x22)</td></tr>
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<tr class="memitem:a24ec7f11e1b348f624f1ca690f473833"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#a24ec7f11e1b348f624f1ca690f473833">operator*</a> (<a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> &cMat)</td></tr>
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<tr class="memitem:ad40d362c14297bd45fb8b91ba2daad9f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#ad40d362c14297bd45fb8b91ba2daad9f">operator=</a> (<a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> &cMat)</td></tr>
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<tr class="memitem:a950634b8ff05ad1c6a51859be9e04975"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgcu_1_1Matrix2D.html#a950634b8ff05ad1c6a51859be9e04975">Transform</a> (double &dx, double &dy)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This class provides some operations related to transformations in a plane. The matrices are 2x2. </p>
<p class="definition">Definition at line <a class="el" href="matrix2d_8h_source.html#l00035">35</a> of file <a class="el" href="matrix2d_8h_source.html">matrix2d.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a50b711076daa5e73afd816ead60f38cb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a50b711076daa5e73afd816ead60f38cb">◆ </a></span>Matrix2D() <span class="overload">[1/3]</span></h2>
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<td class="memname">gcu::Matrix2D::Matrix2D </td>
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<p>Default constructor. Members are not initialized. This constructor is rarely used. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a24fea5a0157d7510488592a32f49f713">◆ </a></span>~Matrix2D()</h2>
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<td class="memname">virtual gcu::Matrix2D::~Matrix2D </td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>The destructor of <a class="el" href="classgcu_1_1Matrix.html">Matrix</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad0e8fa0df927d56b7182856063cf202a">◆ </a></span>Matrix2D() <span class="overload">[2/3]</span></h2>
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<td class="memname">gcu::Matrix2D::Matrix2D </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>Angle</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>Deg</em> = <code>true</code> </td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">Angle</td><td>rotation angle. </td></tr>
<tr><td class="paramname">Deg</td><td>if true, Angle is expressed in degrees, otherwise in radians. Default is true.</td></tr>
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</dd>
</dl>
<p>Constructs a <a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> representing a rotation. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae76088b5f082ffbf2bb079b9cb600cbb">◆ </a></span>Matrix2D() <span class="overload">[3/3]</span></h2>
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<td class="memname">gcu::Matrix2D::Matrix2D </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>x11</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"><em>x12</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"><em>x21</em>, </td>
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<td class="paramtype">double </td>
<td class="paramname"><em>x22</em> </td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x11</td><td>value to use at first line and first column of the matrix. </td></tr>
<tr><td class="paramname">x12</td><td>value to use at first line and second column of the matrix. </td></tr>
<tr><td class="paramname">x21</td><td>value to use at second line and first column of the matrix. </td></tr>
<tr><td class="paramname">x22</td><td>value to use at second line and second column of the matrix.</td></tr>
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</dd>
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<p>Constructs a matrix from its components. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a24ec7f11e1b348f624f1ca690f473833"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a24ec7f11e1b348f624f1ca690f473833">◆ </a></span>operator*()</h2>
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<td class="memname"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a>& gcu::Matrix2D::operator* </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> & </td>
<td class="paramname"><em>cMat</em></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">cMat</td><td>a <a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> instance to use in the multiplication.</td></tr>
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<p>The matricial multiplication operator. </p>
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<a id="ad40d362c14297bd45fb8b91ba2daad9f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad40d362c14297bd45fb8b91ba2daad9f">◆ </a></span>operator=()</h2>
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<td class="memname"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a>& gcu::Matrix2D::operator= </td>
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<td class="paramtype"><a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> & </td>
<td class="paramname"><em>cMat</em></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">cMat</td><td>the <a class="el" href="classgcu_1_1Matrix2D.html">Matrix2D</a> instance to copy.</td></tr>
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<p>Copies a <a class="el" href="classgcu_1_1Matrix.html">Matrix</a> instance into another one. </p>
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<a id="a950634b8ff05ad1c6a51859be9e04975"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a950634b8ff05ad1c6a51859be9e04975">◆ </a></span>Transform()</h2>
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<td class="memname">void gcu::Matrix2D::Transform </td>
<td>(</td>
<td class="paramtype">double & </td>
<td class="paramname"><em>dx</em>, </td>
</tr>
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<td class="paramkey"></td>
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<td class="paramtype">double & </td>
<td class="paramname"><em>dy</em> </td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dx</td><td>the x coordinate. </td></tr>
<tr><td class="paramname">dy</td><td>the y coordinate.</td></tr>
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</dd>
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<p>Initially, dx and dy are the components of the vector to transform (multiply) by the matrix and after execution of this method, dx, dy and dz are the components of the transformed vector. So initial values are lost. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="matrix2d_8h_source.html">matrix2d.h</a></li>
</ul>
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