// Copyright (C) 2012 Rémi Bèges
// This file is part of the "Nazara Engine".
// For conditions of distribution and use, see copyright notice in Config.hpp

#pragma once

#ifndef SIMPLEX3D_HPP
#define SIMPLEX3D_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Noise/NoiseBase.hpp>
#include <Nazara/Noise/Abstract3DNoise.hpp>
#include <Nazara/Math/Vector3.hpp>

template <typename T> class NzSimplex3D : public NzAbstract3DNoise<T>
{
    public:
        NzSimplex3D();
        T GetValue(T x, T y, T z, T resolution);
        ~NzSimplex3D() = default;
    protected:
    private:
        int ii,jj,kk;
        int gi0,gi1,gi2,gi3;
        NzVector3i skewedCubeOrigin,off1,off2;
        T n1,n2,n3,n4;
        T c1,c2,c3,c4;
        T gradient3[12][3];
        T UnskewCoeff3D;
        T SkewCoeff3D;
        T sum;
        NzVector3<T> unskewedCubeOrigin, unskewedDistToOrigin;
        NzVector3<T> d1,d2,d3,d4;


};

typedef NzSimplex3D<float>  NzSimplex3Df;
typedef NzSimplex3D<double> NzSimplex3Dd;

#include <Nazara/Noise/Simplex3D.inl>

#endif // SIMPLEX3D_HPP