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<a href="#func-members">Functions</a>  </div>
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<div class="title">Noise functions<div class="ingroups"><a class="el" href="a00162.html">GLM Core</a></div></div>  </div>
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Functions</h2></td></tr>
<tr class="memitem:gadcbf14e3390990f33fda02bb20836960"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gadcbf14e3390990f33fda02bb20836960"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType::value_type&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00156.html#gadcbf14e3390990f33fda02bb20836960">noise1</a> (genType const &amp;x)</td></tr>
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<tr class="memitem:gad88de7f308dc57edb80690373a1380a9"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gad88de7f308dc57edb80690373a1380a9"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec2&lt; typename genType::value_type, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00156.html#gad88de7f308dc57edb80690373a1380a9">noise2</a> (genType const &amp;x)</td></tr>
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<tr class="memitem:ga3359a5e2b61cee8cf4498470a63f7283"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec3&lt; typename genType::value_type, defaultp &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00156.html#ga3359a5e2b61cee8cf4498470a63f7283">noise3</a> (genType const &amp;x)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Noise functions are stochastic functions that can be used to increase visual complexity. </p>
<p>Values returned by the following noise functions give the appearance of randomness, but are not truly random. </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gadcbf14e3390990f33fda02bb20836960"></a>
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          <td class="memname">GLM_FUNC_DECL genType::value_type glm::noise1 </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
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<p>Returns a 1D noise value based on the input value x. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types.</td></tr>
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  </dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/noise1.xml">GLSL noise1 man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13 Noise Functions</a> </dd></dl>

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          <td class="memname">GLM_FUNC_DECL tvec2&lt;typename genType::value_type, defaultp&gt; glm::noise2 </td>
          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
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<p>Returns a 2D noise value based on the input value x. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector types.</td></tr>
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  </dd>
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<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/noise2.xml">GLSL noise2 man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13 Noise Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
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<p>Returns a 3D noise value based on the input value x. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector 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/noise3.xml">GLSL noise3 man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13 Noise Functions</a> </dd></dl>

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          <td>(</td>
          <td class="paramtype">genType const &amp;&#160;</td>
          <td class="paramname"><em>x</em></td><td>)</td>
          <td></td>
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<p>Returns a 4D noise value based on the input value x. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
  <table class="tparams">
    <tr><td class="paramname">genType</td><td>Floating-point scalar or vector 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/noise4.xml">GLSL noise4 man page</a> </dd>
<dd>
<a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.13 Noise Functions</a> </dd></dl>

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