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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Defines 2D, 3D and 4D procedural noise functions Based on the work of Stefan Gustavson and Ashima Arts on "webgl-noise": <a href="https://github.com/ashima/webgl-noise">https://github.com/ashima/webgl-noise</a> Following Stefan Gustavson's paper "Simplex noise demystified": <a href="http://www.itn.liu.se/~stegu/simp