44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Copyright (C) 2016 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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#ifndef SIMPLEX_HPP
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#define SIMPLE_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Noise/Config.hpp>
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#include <Nazara/Noise/NoiseBase.hpp>
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#include <initializer_list>
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namespace Nz
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{
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class NAZARA_NOISE_API Simplex : public NoiseBase
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{
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public:
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Simplex();
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Simplex(unsigned int seed);
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~Simplex() = default;
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float Get(std::initializer_list<float> coordinates, float scale) const;
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protected:
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float _2D(std::initializer_list<float> coordinates, float scale) const;
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float _3D(std::initializer_list<float> coordinates, float scale) const;
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float _4D(std::initializer_list<float> coordinates, float scale) const;
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private:
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const float gradient2[8][2];
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const float gradient3[16][3];
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const float gradient4[32][4];
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const float UnskewCoeff2D;
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const float SkewCoeff2D;
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const float UnskewCoeff3D;
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const float SkewCoeff3D;
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const float UnskewCoeff4D;
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const float SkewCoeff4D;
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const int lookupTable4D[64][4];
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};
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}
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#endif // SIMPLEX_HPP
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