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<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-attribs">Public Attributes</a> |
<a href="structb2_mat22-members.html">List of all members</a> </div>
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<div class="title">b2Mat22 Struct Reference</div> </div>
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<p>A 2-by-2 matrix. Stored in column-major order.
<a href="structb2_mat22.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:ac3e10f6d457c8dab9062ba378f66bc4d"><td class="memItemLeft" align="right" valign="top"><a id="ac3e10f6d457c8dab9062ba378f66bc4d"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat22.html#ac3e10f6d457c8dab9062ba378f66bc4d">b2Mat22</a> ()</td></tr>
<tr class="memdesc:ac3e10f6d457c8dab9062ba378f66bc4d"><td class="mdescLeft"> </td><td class="mdescRight">The default constructor does nothing (for performance). <br /></td></tr>
<tr class="separator:ac3e10f6d457c8dab9062ba378f66bc4d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abd674c6d92e26962977f34bcd92ff24d"><td class="memItemLeft" align="right" valign="top"><a id="abd674c6d92e26962977f34bcd92ff24d"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat22.html#abd674c6d92e26962977f34bcd92ff24d">b2Mat22</a> (const <a class="el" href="structb2_vec2.html">b2Vec2</a> &c1, const <a class="el" href="structb2_vec2.html">b2Vec2</a> &c2)</td></tr>
<tr class="memdesc:abd674c6d92e26962977f34bcd92ff24d"><td class="mdescLeft"> </td><td class="mdescRight">Construct this matrix using columns. <br /></td></tr>
<tr class="separator:abd674c6d92e26962977f34bcd92ff24d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a41d5d8743bda32cb8c6e212528934810"><td class="memItemLeft" align="right" valign="top"><a id="a41d5d8743bda32cb8c6e212528934810"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat22.html#a41d5d8743bda32cb8c6e212528934810">b2Mat22</a> (float32 a11, float32 a12, float32 a21, float32 a22)</td></tr>
<tr class="memdesc:a41d5d8743bda32cb8c6e212528934810"><td class="mdescLeft"> </td><td class="mdescRight">Construct this matrix using scalars. <br /></td></tr>
<tr class="separator:a41d5d8743bda32cb8c6e212528934810"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aed3bee1de38a0b3f36e21c90faa24112"><td class="memItemLeft" align="right" valign="top"><a id="aed3bee1de38a0b3f36e21c90faa24112"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat22.html#aed3bee1de38a0b3f36e21c90faa24112">Set</a> (const <a class="el" href="structb2_vec2.html">b2Vec2</a> &c1, const <a class="el" href="structb2_vec2.html">b2Vec2</a> &c2)</td></tr>
<tr class="memdesc:aed3bee1de38a0b3f36e21c90faa24112"><td class="mdescLeft"> </td><td class="mdescRight">Initialize this matrix using columns. <br /></td></tr>
<tr class="separator:aed3bee1de38a0b3f36e21c90faa24112"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7192f063b771ac9ded060e41df890509"><td class="memItemLeft" align="right" valign="top"><a id="a7192f063b771ac9ded060e41df890509"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat22.html#a7192f063b771ac9ded060e41df890509">SetIdentity</a> ()</td></tr>
<tr class="memdesc:a7192f063b771ac9ded060e41df890509"><td class="mdescLeft"> </td><td class="mdescRight">Set this to the identity matrix. <br /></td></tr>
<tr class="separator:a7192f063b771ac9ded060e41df890509"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaeae95f61cf3171ffb94703980e3594b"><td class="memItemLeft" align="right" valign="top"><a id="aaeae95f61cf3171ffb94703980e3594b"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="structb2_mat22.html#aaeae95f61cf3171ffb94703980e3594b">SetZero</a> ()</td></tr>
<tr class="memdesc:aaeae95f61cf3171ffb94703980e3594b"><td class="mdescLeft"> </td><td class="mdescRight">Set this matrix to all zeros. <br /></td></tr>
<tr class="separator:aaeae95f61cf3171ffb94703980e3594b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad0b0676deea081b761c67be48e0ac850"><td class="memItemLeft" align="right" valign="top"><a id="ad0b0676deea081b761c67be48e0ac850"></a>
<a class="el" href="structb2_mat22.html">b2Mat22</a> </td><td class="memItemRight" valign="bottom"><b>GetInverse</b> () const</td></tr>
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<tr class="memitem:a3313c8d135c01fbf74e7fea31f1ea4c1"><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_mat22.html#a3313c8d135c01fbf74e7fea31f1ea4c1">Solve</a> (const <a class="el" href="structb2_vec2.html">b2Vec2</a> &b) const</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
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<a class="el" href="structb2_vec2.html">b2Vec2</a> </td><td class="memItemRight" valign="bottom"><b>ex</b></td></tr>
<tr class="separator:abaffa5fc1d401ea36415acffa6205689"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af19db58941d2cd146325ef3191b776fd"><td class="memItemLeft" align="right" valign="top"><a id="af19db58941d2cd146325ef3191b776fd"></a>
<a class="el" href="structb2_vec2.html">b2Vec2</a> </td><td class="memItemRight" valign="bottom"><b>ey</b></td></tr>
<tr class="separator:af19db58941d2cd146325ef3191b776fd"><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 2-by-2 matrix. Stored in column-major order. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a3313c8d135c01fbf74e7fea31f1ea4c1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3313c8d135c01fbf74e7fea31f1ea4c1">◆ </a></span>Solve()</h2>
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<td class="memname"><a class="el" href="structb2_vec2.html">b2Vec2</a> b2Mat22::Solve </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. </p>
</div>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="b2_math_8h_source.html">b2Math.h</a></li>
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