39 lines
1.0 KiB
C++
39 lines
1.0 KiB
C++
// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine - Noise module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef SIMPLEX3D_HPP
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#define SIMPLEX3D_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Noise/NoiseBase.hpp>
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#include <Nazara/Noise/Abstract3DNoise.hpp>
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#include <Nazara/Math/Vector3.hpp>
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class NAZARA_API NzSimplex3D : public NzAbstract3DNoise
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{
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public:
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NzSimplex3D();
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NzSimplex3D(int seed);
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float GetValue(float x, float y, float z, float resolution);
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~NzSimplex3D() = default;
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protected:
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private:
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int ii,jj,kk;
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int gi0,gi1,gi2,gi3;
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NzVector3i skewedCubeOrigin,off1,off2;
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float n1,n2,n3,n4;
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float c1,c2,c3,c4;
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float gradient3[12][3];
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float UnskewCoeff3D;
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float SkewCoeff3D;
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float sum;
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NzVector3<float> unskewedCubeOrigin, unskewedDistToOrigin;
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NzVector3<float> d1,d2,d3,d4;
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};
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#endif // SIMPLEX3D_HPP
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