triangle3i.h

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/*
* Copyright 2016 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.
*/

#pragma once

#include "gwnavruntime/math/vec3i.h"

namespace Kaim
{

class Triangle3i
{
    KY_DEFINE_NEW_DELETE_OPERATORS(Stat_Default_Mem)

public:
    Triangle3i() {}
    Triangle3i(const Vec3i& A_, const Vec3i& B_, const Vec3i& C_) : A(A_), B(B_), C(C_) {}

    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:
    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);
}


}