Platformer in OpenGL
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<a href="#func-members">Functions</a> </div>
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<div class="title">GLM_GTC_integer<div class="ingroups"><a class="el" href="a00704.html">Recommended extensions</a></div></div> </div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga57824268ebe13a922f1d69a5d37f637f"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga57824268ebe13a922f1d69a5d37f637f"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, int, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga57824268ebe13a922f1d69a5d37f637f">iround</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
<tr class="separator:ga57824268ebe13a922f1d69a5d37f637f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplParams" colspan="2">template&lt;typename genIUType &gt; </td></tr>
<tr class="memitem:ga9bd682e74bfacb005c735305207ec417"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genIUType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga9bd682e74bfacb005c735305207ec417">log2</a> (genIUType x)</td></tr>
<tr class="separator:ga9bd682e74bfacb005c735305207ec417"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memTemplParams" colspan="2">template&lt;length_t L, typename T , qualifier Q&gt; </td></tr>
<tr class="memitem:ga6715b9d573972a0f7763d30d45bcaec4"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vec&lt; L, uint, Q &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00710.html#ga6715b9d573972a0f7763d30d45bcaec4">uround</a> (vec&lt; L, T, Q &gt; const &amp;x)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Include &lt;<a class="el" href="a01355.html" title="GLM_GTC_integer ">glm/gtc/integer.hpp</a>&gt; to use the features of this extension. </p>
<p>Allow to perform bit operations on integer values </p>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga57824268ebe13a922f1d69a5d37f637f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga57824268ebe13a922f1d69a5d37f637f">&#9670;&nbsp;</a></span>iround()</h2>
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<td class="memname">GLM_FUNC_DECL vec&lt;L, int, Q&gt; glm::iround </td>
<td>(</td>
<td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Returns a value equal to the nearest integer to x. </p>
<p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>
</table>
</dd>
</dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> </dd>
<dd>
<a class="el" href="a00710.html" title="Include &lt;glm/gtc/integer.hpp&gt; to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9bd682e74bfacb005c735305207ec417">&#9670;&nbsp;</a></span>log2()</h2>
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<td class="memname">GLM_FUNC_DECL genIUType glm::log2 </td>
<td>(</td>
<td class="paramtype">genIUType&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
<td></td>
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<p>Returns the log2 of x for integer values. </p>
<p>Can be reliably using to compute mipmap count from the texture size. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="a00710.html" title="Include &lt;glm/gtc/integer.hpp&gt; to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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<a id="ga6715b9d573972a0f7763d30d45bcaec4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga6715b9d573972a0f7763d30d45bcaec4">&#9670;&nbsp;</a></span>uround()</h2>
<div class="memitem">
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<td class="memname">GLM_FUNC_DECL vec&lt;L, uint, Q&gt; glm::uround </td>
<td>(</td>
<td class="paramtype">vec&lt; L, T, Q &gt; const &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Returns a value equal to the nearest integer to x. </p>
<p>The fraction 0.5 will round in a direction chosen by the implementation, presumably the direction that is fastest.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>The values of the argument must be greater or equal to zero. </td></tr>
</table>
</dd>
</dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>floating point scalar types.</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/round.xml">GLSL round man page</a> </dd>
<dd>
<a class="el" href="a00710.html" title="Include &lt;glm/gtc/integer.hpp&gt; to use the features of this extension. ">GLM_GTC_integer</a> </dd></dl>
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