45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
// Copyright (C) 2015 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 SIMPLEX4D_HPP
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#define SIMPLEX4D_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/Abstract4DNoise.hpp>
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#include <Nazara/Math/Vector4.hpp>
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namespace Nz
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{
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class NAZARA_NOISE_API Simplex4D : public Abstract4DNoise
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{
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public:
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Simplex4D();
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Simplex4D(unsigned int seed);
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~Simplex4D() = default;
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float GetValue(float x, float y, float z, float w, float resolution);
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private:
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int ii,jj,kk,ll;
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int gi0,gi1,gi2,gi3,gi4;
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Vector4i skewedCubeOrigin,off1,off2,off3;
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int lookupTable4D[64][4];
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int c;
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float n1,n2,n3,n4,n5;
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float c1,c2,c3,c4,c5,c6;
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float gradient4[32][4];
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float UnskewCoeff4D;
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float SkewCoeff4D;
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float sum;
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Vector4<float> unskewedCubeOrigin, unskewedDistToOrigin;
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Vector4<float> d1,d2,d3,d4,d5;
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};
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}
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#endif // SIMPLEX4D_H
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