F:/My Projects/LSEngine/Modules/LSPhysicsLib/Src/BoundingBoxes/LSPAabb.h

#ifndef __LSP_LSP_AABB_H__
#define __LSP_LSP_AABB_H__

#include "../LSPPhysicsLib.h"
#include "Line/LSMRay3.h"
#include "Line/LSMLineSeg3.h"
#include "Matrix/LSMMatrix4x4.h"
#include "Plane/LSMPlane3.h"
#include "Vector/LSMVector3.h"

namespace lsp {

        // == Enumerations.
        enum LSP_AABB_CORNERS {
                LSP_AC_FORWARD_LEFT_BOTTOM,
                LSP_AC_FORWARD_LEFT_TOP,
                LSP_AC_FORWARD_RIGHT_BOTTOM,
                LSP_AC_FORWARD_RIGHT_TOP,

                LSP_AC_BACK_LEFT_BOTTOM,
                LSP_AC_BACK_LEFT_TOP,
                LSP_AC_BACK_RIGHT_BOTTOM,
                LSP_AC_BACK_RIGHT_TOP,
        };

        class CAabb {
                // All is public.  This class has no secrets.
        public :
                // == Functions.
                LSVOID LSE_CALL                                                 MakeInfinitelySmall();

                LSVOID LSE_CALL                                                 ComputeAabbFromPointArray( const CVector3 * _pvPoints, LSUINT32 _uiTotal );

                LSVOID LSE_CALL                                                 ComputeAabbFromAabbAndMatrix( const CAabb &_aabbOther, const CMatrix4x4 &_mTrans );

                LSVOID LSE_CALL                                                 Encompass( const CAabb &_aabbOther );

                LSVOID LSE_CALL                                                 Encompass( const CVector3 &_vOther );

                LSVOID LSE_CALL                                                 Expand( LSREAL _fAmount );

                LSVOID LSE_CALL                                                 GetBox( CVector3 _vPoints[8] ) const;

                CVector3 LSE_CALL                                               GetCenter() const;

                LSREAL LSE_CALL                                                 GetSizeX() const;

                LSREAL LSE_CALL                                                 GetSizeY() const;

                LSREAL LSE_CALL                                                 GetSizeZ() const;

                LSREAL LSE_CALL                                                 GetVolume() const;



                // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
                // DISTANCE TESTS
                // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
                // == Points.
                CVector3 LSE_CALL                                               ClosestPointToPoint( const CVector3 &_vPoint ) const;
                
                LSREAL LSE_CALL                                                 GetSqDistFromPoint( const CVector3 &_vPoint ) const;

                CVector3 LSE_CALL                                               GetCorner( LSUINT32 _ui32Mask ) const;


                // == Members.
                CVector3                                                                m_vMin;

                CVector3                                                                m_vMax;
        };


        // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
        // DEFINITIONS
        // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
        // == Functions.
        LSE_INLINE LSREAL LSE_CALL CAabb::GetSizeX() const {
                return m_vMax.x - m_vMin.x;
        }

        LSE_INLINE LSREAL LSE_CALL CAabb::GetSizeY() const {
                return m_vMax.y - m_vMin.y;
        }

        LSE_INLINE LSREAL LSE_CALL CAabb::GetSizeZ() const {
                return m_vMax.z - m_vMin.z;
        }

        LSE_INLINE LSREAL LSE_CALL CAabb::GetVolume() const {
                return GetSizeX() * GetSizeY() * GetSizeZ();
        }

}       // namespace lsp

#endif  // __LSP_LSP_AABB_H__