E:/Programming/MyProject/K_Game_hg/GameEngine/include/core/Plane3d.h

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// Copyright 2006-2011 by Kat'Oun

#ifndef _PLANE_3D_H_
#define _PLANE_3D_H_

#include <core/Types.h>
#include <core/Vector3d.h>

namespace core
{

class ENGINE_PUBLIC_EXPORT plane3d
{
public:

        plane3d();
        plane3d(f32 px, f32 py, f32 pz, f32 nx, f32 ny, f32 nz);
        plane3d(const vector3d& point1, const vector3d& point2, const vector3d& point3);
        plane3d(const vector3d& MPoint, const vector3d& Normal);
        plane3d(const plane3d& other);

        inline bool operator==(const plane3d& other) const;
        inline bool operator!=(const plane3d& other) const;

        void setPlane(const vector3d& point, const vector3d& nvector);

        void setPlane(const vector3d& nvect, f32 d);

        void setPlane(const vector3d& point1, const vector3d& point2, const vector3d& point3);

        void recalculateD(const vector3d& MPoint);

        vector3d getMemberPoint() const;

        bool isFrontFacing(const vector3d& lookDirection) const;

        f32 getDistanceTo(const vector3d& point) const;

        bool getIntersectionWithLine(const vector3d& linePoint, const vector3d& lineVect, vector3d& outIntersection) const;
        
        bool getIntersectionWithPlane(const plane3d& other, vector3d& outLinePoint, vector3d& outLineVect) const;

        bool getIntersectionWithPlanes(const plane3d& o1, const plane3d& o2, vector3d& outPoint) const;

        vector3d Normal;
        f32 D;  // distance from origin
};

} // end namespace core

#endif