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178 lines
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>Noise functions</title>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<h1>Noise functions</h1> </div>
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<div class="ingroups"><a class="el" href="a00154.html">GLM Core</a></div></div>
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<div class="contents">
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<p>Noise functions are stochastic functions that can be used to increase visual complexity.
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<a href="#_details">More...</a></p>
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">genType::value_type </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga808e59c8fa5db374692ffe013e82579c">noise1</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">detail::tvec2< typename <br class="typebreak"/>
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genType::value_type > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga76ec36566b17266879f21b7569e1c841">noise2</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">detail::tvec3< typename <br class="typebreak"/>
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genType::value_type > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gaa13cb8087ee4bf996581e9499b78a608">noise3</a> (genType const &x)</td></tr>
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<tr><td class="memTemplParams" colspan="2">template<typename genType > </td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">detail::tvec4< typename <br class="typebreak"/>
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genType::value_type > </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gaf0cd5c48b858df6120e748666fd42b58">noise4</a> (genType const &x)</td></tr>
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</table>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p>Noise functions are stochastic functions that can be used to increase visual complexity. </p>
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<p>Values returned by the following noise functions give the appearance of randomness, but are not truly random. </p>
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<hr/><h2>Function Documentation</h2>
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<a class="anchor" id="ga808e59c8fa5db374692ffe013e82579c"></a><!-- doxytag: member="glm::noise1" ref="ga808e59c8fa5db374692ffe013e82579c" args="(genType const &x)" -->
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<div class="memitem">
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<table class="memname">
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<td class="memname">genType::value_type glm::noise1 </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Returns a 1D noise value based on the input value x. </p>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd>- <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/noise1.xml">GLSL noise1 man page</a> </dd>
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<dd>
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- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13</a> </dd></dl>
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</div>
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<a class="anchor" id="ga76ec36566b17266879f21b7569e1c841"></a><!-- doxytag: member="glm::noise2" ref="ga76ec36566b17266879f21b7569e1c841" args="(genType const &x)" -->
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<td class="memname">detail::tvec2<typename genType::value_type> glm::noise2 </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Returns a 2D noise value based on the input value x. </p>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd>- <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/noise2.xml">GLSL noise2 man page</a> </dd>
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<dd>
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- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gaa13cb8087ee4bf996581e9499b78a608"></a><!-- doxytag: member="glm::noise3" ref="gaa13cb8087ee4bf996581e9499b78a608" args="(genType const &x)" -->
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<div class="memitem">
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<td class="memname">detail::tvec3<typename genType::value_type> glm::noise3 </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Returns a 3D noise value based on the input value x. </p>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd>- <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/noise3.xml">GLSL noise3 man page</a> </dd>
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<dd>
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- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13</a> </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gaf0cd5c48b858df6120e748666fd42b58"></a><!-- doxytag: member="glm::noise4" ref="gaf0cd5c48b858df6120e748666fd42b58" args="(genType const &x)" -->
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<td class="memname">detail::tvec4<typename genType::value_type> glm::noise4 </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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<div class="memdoc">
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<p>Returns a 4D noise value based on the input value x. </p>
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<dl><dt><b>Template Parameters:</b></dt><dd>
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<table class="">
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<tr><td class="paramname">genType</td><td>Floating-point scalar or vector types. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="see"><dt><b>See also:</b></dt><dd>- <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/noise4.xml">GLSL noise4 man page</a> </dd>
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<dd>
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- <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13</a> </dd></dl>
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<hr class="footer"/><address class="footer"><small>Generated by 
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address>
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