cpp
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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">GLM_GTX_vector_angle<div class="ingroups"><a class="el" href="a00157.html">GTX Extensions (Experimental)</a></div></div>  </div>
</div><!--header-->
<div class="contents">

<p>Compute angle between vectors.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gaf70c0d96f92ebcb0a9090580be84bcac"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier P&gt; </td></tr>
<tr class="memitem:gaf70c0d96f92ebcb0a9090580be84bcac"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00239.html#gaf70c0d96f92ebcb0a9090580be84bcac">angle</a> (vec&lt; L, T, P &gt; const &amp;x, vec&lt; L, T, P &gt; const &amp;y)</td></tr>
<tr class="memdesc:gaf70c0d96f92ebcb0a9090580be84bcac"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the absolute angle between two vectors.  <a href="a00239.html#gaf70c0d96f92ebcb0a9090580be84bcac">More...</a><br /></td></tr>
<tr class="separator:gaf70c0d96f92ebcb0a9090580be84bcac"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9be5abd8d0bec178a8366614e7d3bf10"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
<tr class="memitem:ga9be5abd8d0bec178a8366614e7d3bf10"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00239.html#ga9be5abd8d0bec178a8366614e7d3bf10">orientedAngle</a> (vec&lt; 2, T, P &gt; const &amp;x, vec&lt; 2, T, P &gt; const &amp;y)</td></tr>
<tr class="memdesc:ga9be5abd8d0bec178a8366614e7d3bf10"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the oriented angle between two 2d vectors.  <a href="a00239.html#ga9be5abd8d0bec178a8366614e7d3bf10">More...</a><br /></td></tr>
<tr class="separator:ga9be5abd8d0bec178a8366614e7d3bf10"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8953e5d10909a5af734e8c187fd7e073"><td class="memTemplParams" colspan="2">template&lt;typename T , qualifier P&gt; </td></tr>
<tr class="memitem:ga8953e5d10909a5af734e8c187fd7e073"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00239.html#ga8953e5d10909a5af734e8c187fd7e073">orientedAngle</a> (vec&lt; 3, T, P &gt; const &amp;x, vec&lt; 3, T, P &gt; const &amp;y, vec&lt; 3, T, P &gt; const &amp;ref)</td></tr>
<tr class="memdesc:ga8953e5d10909a5af734e8c187fd7e073"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the oriented angle between two 3d vectors based from a reference axis.  <a href="a00239.html#ga8953e5d10909a5af734e8c187fd7e073">More...</a><br /></td></tr>
<tr class="separator:ga8953e5d10909a5af734e8c187fd7e073"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Compute angle between vectors. </p>
<p>&lt;<a class="el" href="a00139.html" title="GLM_GTX_vector_angle ">glm/gtx/vector_angle.hpp</a>&gt; need to be included to use these functionalities. </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gaf70c0d96f92ebcb0a9090580be84bcac"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">GLM_FUNC_DECL T glm::angle </td>
          <td>(</td>
          <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">vec&lt; L, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>y</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Returns the absolute angle between two vectors. </p>
<p>Parameters need to be normalized. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="a00239.html" title="Compute angle between vectors. ">GLM_GTX_vector_angle</a> extension. </dd></dl>

</div>
</div>
<a class="anchor" id="ga9be5abd8d0bec178a8366614e7d3bf10"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">GLM_FUNC_DECL T glm::orientedAngle </td>
          <td>(</td>
          <td class="paramtype">vec&lt; 2, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">vec&lt; 2, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>y</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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</div><div class="memdoc">

<p>Returns the oriented angle between two 2d vectors. </p>
<p>Parameters need to be normalized. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="a00239.html" title="Compute angle between vectors. ">GLM_GTX_vector_angle</a> extension. </dd></dl>

</div>
</div>
<a class="anchor" id="ga8953e5d10909a5af734e8c187fd7e073"></a>
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">GLM_FUNC_DECL T glm::orientedAngle </td>
          <td>(</td>
          <td class="paramtype">vec&lt; 3, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>x</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">vec&lt; 3, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>y</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">vec&lt; 3, T, P &gt; const &amp;&#160;</td>
          <td class="paramname"><em>ref</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Returns the oriented angle between two 3d vectors based from a reference axis. </p>
<p>Parameters need to be normalized. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="a00239.html" title="Compute angle between vectors. ">GLM_GTX_vector_angle</a> extension. </dd></dl>

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