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<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-attribs">Public Attributes</a> |
<a href="structb2_mat33-members.html">List of all members</a> </div>
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<div class="title">b2Mat33 Struct Reference</div> </div>
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<p>A 3-by-3 matrix. Stored in column-major order.
<a href="structb2_mat33.html#details">More...</a></p>
<p><code>#include <<a class="el" href="b2_math_8h_source.html">b2Math.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:a1f4d7ddf1c8a202fc08ec64dfe191463"><td class="memItemLeft" align="right" valign="top"><a id="a1f4d7ddf1c8a202fc08ec64dfe191463"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#a1f4d7ddf1c8a202fc08ec64dfe191463">b2Mat33</a> ()</td></tr>
<tr class="memdesc:a1f4d7ddf1c8a202fc08ec64dfe191463"><td class="mdescLeft"> </td><td class="mdescRight">The default constructor does nothing (for performance). <br /></td></tr>
<tr class="separator:a1f4d7ddf1c8a202fc08ec64dfe191463"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a36d99a037008776c8d09fe0aeb5c759c"><td class="memItemLeft" align="right" valign="top"><a id="a36d99a037008776c8d09fe0aeb5c759c"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#a36d99a037008776c8d09fe0aeb5c759c">b2Mat33</a> (const <a class="el" href="structb2_vec3.html">b2Vec3</a> &c1, const <a class="el" href="structb2_vec3.html">b2Vec3</a> &c2, const <a class="el" href="structb2_vec3.html">b2Vec3</a> &c3)</td></tr>
<tr class="memdesc:a36d99a037008776c8d09fe0aeb5c759c"><td class="mdescLeft"> </td><td class="mdescRight">Construct this matrix using columns. <br /></td></tr>
<tr class="separator:a36d99a037008776c8d09fe0aeb5c759c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a42fc6953b025e1c8b59717d0ee7accde"><td class="memItemLeft" align="right" valign="top"><a id="a42fc6953b025e1c8b59717d0ee7accde"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#a42fc6953b025e1c8b59717d0ee7accde">SetZero</a> ()</td></tr>
<tr class="memdesc:a42fc6953b025e1c8b59717d0ee7accde"><td class="mdescLeft"> </td><td class="mdescRight">Set this matrix to all zeros. <br /></td></tr>
<tr class="separator:a42fc6953b025e1c8b59717d0ee7accde"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2ce48f409ba5951a04da821dada9e285"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structb2_vec3.html">b2Vec3</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#a2ce48f409ba5951a04da821dada9e285">Solve33</a> (const <a class="el" href="structb2_vec3.html">b2Vec3</a> &b) const</td></tr>
<tr class="separator:a2ce48f409ba5951a04da821dada9e285"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acdf892aab7e26283f8aa600ade91dcef"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structb2_vec2.html">b2Vec2</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#acdf892aab7e26283f8aa600ade91dcef">Solve22</a> (const <a class="el" href="structb2_vec2.html">b2Vec2</a> &b) const</td></tr>
<tr class="separator:acdf892aab7e26283f8aa600ade91dcef"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa020bfd08e28c4cecda303ba335fe517"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#aa020bfd08e28c4cecda303ba335fe517">GetInverse22</a> (<a class="el" href="structb2_mat33.html">b2Mat33</a> *M) const</td></tr>
<tr class="separator:aa020bfd08e28c4cecda303ba335fe517"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2620944663233096d3b82bc4b1a991e9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat33.html#a2620944663233096d3b82bc4b1a991e9">GetSymInverse33</a> (<a class="el" href="structb2_mat33.html">b2Mat33</a> *M) const</td></tr>
<tr class="memdesc:a2620944663233096d3b82bc4b1a991e9"><td class="mdescLeft"> </td><td class="mdescRight">Returns the zero matrix if singular. <a href="#a2620944663233096d3b82bc4b1a991e9">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a132f00e6550d1e19c75fb60ce1229638"><td class="memItemLeft" align="right" valign="top"><a id="a132f00e6550d1e19c75fb60ce1229638"></a>
<a class="el" href="structb2_vec3.html">b2Vec3</a> </td><td class="memItemRight" valign="bottom"><b>ex</b></td></tr>
<tr class="separator:a132f00e6550d1e19c75fb60ce1229638"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ababc69c718c73a04a651f7a6a981ecf4"><td class="memItemLeft" align="right" valign="top"><a id="ababc69c718c73a04a651f7a6a981ecf4"></a>
<a class="el" href="structb2_vec3.html">b2Vec3</a> </td><td class="memItemRight" valign="bottom"><b>ey</b></td></tr>
<tr class="separator:ababc69c718c73a04a651f7a6a981ecf4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae700fc46f679b4ef211a2517005b0557"><td class="memItemLeft" align="right" valign="top"><a id="ae700fc46f679b4ef211a2517005b0557"></a>
<a class="el" href="structb2_vec3.html">b2Vec3</a> </td><td class="memItemRight" valign="bottom"><b>ez</b></td></tr>
<tr class="separator:ae700fc46f679b4ef211a2517005b0557"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A 3-by-3 matrix. Stored in column-major order. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="aa020bfd08e28c4cecda303ba335fe517"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa020bfd08e28c4cecda303ba335fe517">◆ </a></span>GetInverse22()</h2>
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<td class="memname">void b2Mat33::GetInverse22 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structb2_mat33.html">b2Mat33</a> * </td>
<td class="paramname"><em>M</em></td><td>)</td>
<td> const</td>
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</div><div class="memdoc">
<p>Get the inverse of this matrix as a 2-by-2. Returns the zero matrix if singular. </p>
</div>
</div>
<a id="a2620944663233096d3b82bc4b1a991e9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2620944663233096d3b82bc4b1a991e9">◆ </a></span>GetSymInverse33()</h2>
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<td class="memname">void b2Mat33::GetSymInverse33 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structb2_mat33.html">b2Mat33</a> * </td>
<td class="paramname"><em>M</em></td><td>)</td>
<td> const</td>
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</div><div class="memdoc">
<p>Returns the zero matrix if singular. </p>
<p>Get the symmetric inverse of this matrix as a 3-by-3. Returns the zero matrix if singular. </p>
</div>
</div>
<a id="acdf892aab7e26283f8aa600ade91dcef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acdf892aab7e26283f8aa600ade91dcef">◆ </a></span>Solve22()</h2>
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<td class="memname"><a class="el" href="structb2_vec2.html">b2Vec2</a> b2Mat33::Solve22 </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structb2_vec2.html">b2Vec2</a> & </td>
<td class="paramname"><em>b</em></td><td>)</td>
<td> const</td>
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<p>Solve A * x = b, where b is a column vector. This is more efficient than computing the inverse in one-shot cases. Solve only the upper 2-by-2 matrix equation.</p>
<p>Solve A * x = b, where b is a column vector. This is more efficient than computing the inverse in one-shot cases. </p>
</div>
</div>
<a id="a2ce48f409ba5951a04da821dada9e285"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2ce48f409ba5951a04da821dada9e285">◆ </a></span>Solve33()</h2>
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<td class="memname"><a class="el" href="structb2_vec3.html">b2Vec3</a> b2Mat33::Solve33 </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structb2_vec3.html">b2Vec3</a> & </td>
<td class="paramname"><em>b</em></td><td>)</td>
<td> const</td>
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<p>Solve A * x = b, where b is a column vector. This is more efficient than computing the inverse in one-shot cases. </p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following files:<ul>
<li><a class="el" href="b2_math_8h_source.html">b2Math.h</a></li>
<li>b2Math.cpp</li>
</ul>
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