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sphere.h

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00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_SPHERE_H__
00020 #define __CS_SPHERE_H__
00021 
00028 #include "cstypes.h"
00029 #include "vector3.h"
00030 
00031 class csTransform;
00032 
00036 class csSphere
00037 {
00038 private:
00039   csVector3 center;
00040   float radius;
00041 
00042 public:
00044   csSphere ()
00045   {
00046     center.Set (0, 0, 0);
00047     radius = 0;
00048   }
00049 
00051   csSphere (const csVector3& center, float radius)
00052   {
00053     csSphere::center = center;
00054     csSphere::radius = radius;
00055   }
00056 
00058   csSphere (const csSphere& s) { center = s.center; radius = s.radius; }
00059 
00061   csVector3& GetCenter () { return center; }
00063   const csVector3& GetCenter () const { return center; }
00065   void SetCenter (const csVector3& c) { center = c; }
00067   float GetRadius () const { return radius; }
00069   void SetRadius (float r) { radius = r; }
00070 
00072   void Union (const csVector3& ocenter, float oradius);
00073 
00075   friend csSphere operator+ (const csSphere& s1, const csSphere& s2);
00077   csSphere& operator+= (const csSphere& s)
00078   {
00079     Union (s.center, s.radius);
00080     return *this;
00081   }
00082 };
00083 
00086 #endif // __CS_SPHERE_H__
00087 

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