triangle3i.h

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/*
* Copyright 2015 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/


// primary contact: GUAL - secondary contact: NOBODY
#ifndef Navigation_Triangle3i_H
#define Navigation_Triangle3i_H

#include "gwnavruntime/math/vec3i.h"


namespace Kaim
{


class Triangle3i
{
    KY_DEFINE_NEW_DELETE_OPERATORS(Stat_Default_Mem)

public:
    // ---------------------------------- Public Member Functions ----------------------------------

    void Set(const Vec3i& _a, const Vec3i& _b, const Vec3i& _c) { A = _a; B = _b; C = _c; }

    Vec3i& operator[](KyInt32 i) { return (&A)[i]; }
    
    const Vec3i& operator[](KyInt32 i) const { return (&A)[i]; }

    KyUInt32 IsInside2d(const Vec2i& M) const { return M.IsInsideTriangle(Vec2i(A.x, A.y), Vec2i(B.x, B.y), Vec2i(C.x, C.y)); }

    bool IsInside2d_NoFlat(const Vec2i& M) const { return M.IsInsideNotColinearTriangle(Vec2i(A.x, A.y), Vec2i(B.x, B.y), Vec2i(C.x, C.y)); }

    bool IsStrictlyInside2d(const Vec2i& M) const { return M.IsStrictlyInsideTriangle(Vec2i(A.x, A.y), Vec2i(B.x, B.y), Vec2i(C.x, C.y)); }


    // ---------------------------------- Public Data Members ----------------------------------

    Vec3i A; 
    Vec3i B; 
    Vec3i C; 
};

inline void SwapEndianness(Endianness::Target e, Triangle3i& self)
{
    SwapEndianness(e, self.A);
    SwapEndianness(e, self.B);
    SwapEndianness(e, self.C);
}


}


#endif