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csgeom/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 "csextern.h"
00029 
00030 #include "cstypes.h"
00031 #include "vector3.h"
00032 
00033 class csTransform;
00034 
00038 class CS_CSGEOM_EXPORT csSphere
00039 {
00040 private:
00041   csVector3 center;
00042   float radius;
00043 
00044 public:
00046   csSphere ()
00047   {
00048     center.Set (0, 0, 0);
00049     radius = 0;
00050   }
00051 
00053   csSphere (const csVector3& center, float radius)
00054   {
00055     csSphere::center = center;
00056     csSphere::radius = radius;
00057   }
00058 
00060   csSphere (const csSphere& s) { center = s.center; radius = s.radius; }
00061 
00063   csVector3& GetCenter () { return center; }
00065   const csVector3& GetCenter () const { return center; }
00067   void SetCenter (const csVector3& c) { center = c; }
00069   float GetRadius () const { return radius; }
00071   void SetRadius (float r) { radius = r; }
00072 
00074   void Union (const csVector3& ocenter, float oradius);
00075 
00077   friend csSphere operator+ (const csSphere& s1, const csSphere& s2);
00079   csSphere& operator+= (const csSphere& s)
00080   {
00081     Union (s.center, s.radius);
00082     return *this;
00083   }
00084 };
00085 
00088 #endif // __CS_SPHERE_H__
00089 

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