45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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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 SIMPLEX2D_HPP
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#define SIMPLEX2D_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/Abstract2DNoise.hpp>
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#include <Nazara/Math/Vector2.hpp>
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template <typename T> class NzSimplex2D : public NzAbstract2DNoise<T>
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{
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public:
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NzSimplex2D();
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T GetValue(T x, T y, T resolution);
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virtual ~NzSimplex2D() = default;
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protected:
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private:
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int ii,jj;
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int gi0,gi1,gi2;
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NzVector2i skewedCubeOrigin,off1;
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T n1,n2,n3;
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T c1,c2,c3;
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T gradient2[8][2];
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T UnskewCoeff2D;
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T SkewCoeff2D;
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T sum;
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NzVector2<T> unskewedCubeOrigin, unskewedDistToOrigin;
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NzVector2<T> d1,d2,d3;
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};
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typedef NzSimplex2D<float> NzSimplex2Df;
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typedef NzSimplex2D<double> NzSimplex2Dd;
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#include <Nazara/Noise/Simplex2D.inl>
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#endif // SIMPLEX2D_HPP
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