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00001 
00007 /* Copyright, 2000 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_BSPHERE_H
00027 #define NL_BSPHERE_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/vector.h"
00031 #include "nel/misc/plane.h"
00032 #include "nel/misc/matrix.h"
00033 
00034 
00035 namespace NLMISC 
00036 {
00037 
00038 using NLMISC::CVector;
00039 using NLMISC::CPlane;
00040 using NLMISC::CMatrix;
00041 
00042 
00049 class CBSphere
00050 {
00051 public:
00052         CVector                 Center;
00053         float                   Radius;
00054 
00056         CBSphere() {}
00058         CBSphere(const CVector & center, float radius) : Center(center), Radius(radius) {}
00059 
00060 
00062         // @{
00063 
00067         void    applyTransform(const CMatrix &mat, CBSphere &res);
00068 
00069         // @}
00070 
00072         // @{
00074         bool    clipFront(const CPlane &p) const;
00076         bool    clipBack(const CPlane &p) const;
00077         // @}
00078 
00080         bool    include(const CVector &p) const;
00082         bool    include(const CBSphere &s) const;
00084         bool    intersect(const CBSphere &s) const;
00085 
00086 };
00087 
00088 
00089 } // NLMISC
00090 
00091 
00092 #endif // NL_BSPHERE_H
00093 
00094 /* End of bsphere.h */