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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">vector2.c File Reference</div></div>
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<div class="textblock"><code>#include "<a class="el" href="../../d1/d03/vector2_8h_source.html">arc/math/vector2.h</a>"</code><br />
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<code>#include <math.h></code><br />
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</div>
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<p><a href="../../de/de6/vector2_8c_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ad7827f08a4898d2b8358a407d52dfe9c" id="r_ad7827f08a4898d2b8358a407d52dfe9c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ad7827f08a4898d2b8358a407d52dfe9c">ARC_Vector2_Normalize</a> (<a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> *vector)</td></tr>
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<tr class="memdesc:ad7827f08a4898d2b8358a407d52dfe9c"><td class="mdescLeft"> </td><td class="mdescRight">normalizes a given <a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> <br /></td></tr>
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<tr class="separator:ad7827f08a4898d2b8358a407d52dfe9c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a37b30084c8ebb416c5bbf621a7362e43" id="r_a37b30084c8ebb416c5bbf621a7362e43"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#a37b30084c8ebb416c5bbf621a7362e43">ARC_Vector2_RotateDegree</a> (<a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> *vector, float angle)</td></tr>
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<tr class="memdesc:a37b30084c8ebb416c5bbf621a7362e43"><td class="mdescLeft"> </td><td class="mdescRight">rotates a given <a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> by a given angle in degrees <br /></td></tr>
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<tr class="separator:a37b30084c8ebb416c5bbf621a7362e43"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ad7827f08a4898d2b8358a407d52dfe9c" name="ad7827f08a4898d2b8358a407d52dfe9c"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ad7827f08a4898d2b8358a407d52dfe9c">◆ </a></span>ARC_Vector2_Normalize()</h2>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">void ARC_Vector2_Normalize </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> *</td> <td class="paramname"><span class="paramname"><em>vector</em></span></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>normalizes a given <a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">vector</td><td>the ARC_Vecotr2 to normallize </td></tr>
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</table>
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</dd>
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</dl>
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<p class="definition">Definition at line <a class="el" href="../../de/de6/vector2_8c_source.html#l00004">4</a> of file <a class="el" href="../../de/de6/vector2_8c_source.html">vector2.c</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 4</span> {</div>
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<div class="line"><span class="lineno"> 5</span> <span class="keywordtype">float</span> length = sqrtf((vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">x</a> * vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">x</a>) + (vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">y</a> * vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">y</a>));</div>
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<div class="line"><span class="lineno"> 6</span> <span class="keywordflow">if</span>(length == 0){</div>
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<div class="line"><span class="lineno"> 7</span> <span class="keywordflow">return</span>;</div>
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<div class="line"><span class="lineno"> 8</span> }</div>
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<div class="line"><span class="lineno"> 9</span> </div>
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<div class="line"><span class="lineno"> 10</span> vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">x</a> /= length;</div>
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<div class="line"><span class="lineno"> 11</span> vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">y</a> /= length;</div>
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<div class="line"><span class="lineno"> 12</span>}</div>
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<div class="ttc" id="astructARC__Vector2_html_a42edc95888c030b994268da65efc7e2d"><div class="ttname"><a href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">ARC_Vector2::x</a></div><div class="ttdeci">float x</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d03/vector2_8h_source.html#l00009">vector2.h:9</a></div></div>
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<div class="ttc" id="astructARC__Vector2_html_a8bff4a083df18e51a0792c0c837344f0"><div class="ttname"><a href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">ARC_Vector2::y</a></div><div class="ttdeci">float y</div><div class="ttdef"><b>Definition</b> <a href="../../d1/d03/vector2_8h_source.html#l00009">vector2.h:9</a></div></div>
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</div><!-- fragment -->
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<p class="reference">References <a class="el" href="../../d1/d03/vector2_8h_source.html#l00009">ARC_Vector2::x</a>, and <a class="el" href="../../d1/d03/vector2_8h_source.html#l00009">ARC_Vector2::y</a>.</p>
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</div>
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<a id="a37b30084c8ebb416c5bbf621a7362e43" name="a37b30084c8ebb416c5bbf621a7362e43"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a37b30084c8ebb416c5bbf621a7362e43">◆ </a></span>ARC_Vector2_RotateDegree()</h2>
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<td class="memname">void ARC_Vector2_RotateDegree </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> *</td> <td class="paramname"><span class="paramname"><em>vector</em></span>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">float</td> <td class="paramname"><span class="paramname"><em>angle</em></span> )</td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>rotates a given <a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> by a given angle in degrees </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">vector</td><td>the <a class="el" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> to rotate </td></tr>
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<tr><td class="paramname">angle</td><td>the angle in degrees to rotate by </td></tr>
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<p class="definition">Definition at line <a class="el" href="../../de/de6/vector2_8c_source.html#l00014">14</a> of file <a class="el" href="../../de/de6/vector2_8c_source.html">vector2.c</a>.</p>
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<div class="fragment"><div class="line"><span class="lineno"> 14</span> {</div>
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<div class="line"><span class="lineno"> 15</span> <a class="code hl_struct" href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a> temp = *vector;</div>
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<div class="line"><span class="lineno"> 16</span> vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">x</a> = (temp.<a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">x</a> * cos(angle)) - (temp.<a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">y</a> * sin(angle));</div>
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<div class="line"><span class="lineno"> 17</span> vector-><a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">y</a> = (temp.<a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a42edc95888c030b994268da65efc7e2d">x</a> * sin(angle)) + (temp.<a class="code hl_variable" href="../../db/d86/structARC__Vector2.html#a8bff4a083df18e51a0792c0c837344f0">y</a> * cos(angle));</div>
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<div class="line"><span class="lineno"> 18</span>}</div>
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<div class="ttc" id="astructARC__Vector2_html"><div class="ttname"><a href="../../db/d86/structARC__Vector2.html">ARC_Vector2</a></div><div class="ttdef"><b>Definition</b> <a href="../../d1/d03/vector2_8h_source.html#l00008">vector2.h:8</a></div></div>
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</div><!-- fragment -->
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<p class="reference">References <a class="el" href="../../d1/d03/vector2_8h_source.html#l00009">ARC_Vector2::x</a>, and <a class="el" href="../../d1/d03/vector2_8h_source.html#l00009">ARC_Vector2::y</a>.</p>
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