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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
    00029 #include "csextern.h"
    00030
    00031 #include "cstypes.h"
    00032 #include "vector3.h"
    00033
    00034 class csTransform;
    00035
    00039 class CS_CRYSTALSPACE_EXPORT csSphere
    00040 {
    00041 private:
    00042   csVector3 center;
    00043   float radius;
    00044
    00045 public:
    00047   csSphere ()
    00048   {
    00049     center.Set (0, 0, 0);
    00050     radius = 0;
    00051   }
    00052
    00054   csSphere (const csVector3& center, float radius)
    00055   {
    00056     csSphere::center = center;
    00057     csSphere::radius = radius;
    00058   }
    00059
    00061   csSphere (const csSphere& s) { center = s.center; radius = s.radius; }
    00062
    00064   inline csVector3& GetCenter () { return center; }
    00066   inline const csVector3& GetCenter () const { return center; }
    00068   inline void SetCenter (const csVector3& c) { center = c; }
    00070   inline float GetRadius () const { return radius; }
    00072   inline void SetRadius (float r) { radius = r; }
    00073
    00075   void Union (const csVector3& ocenter, float oradius);
    00076
    00078   friend csSphere operator+ (const csSphere& s1, const csSphere& s2);
    00080   csSphere& operator+= (const csSphere& s)
    00081   {
    00082     Union (s.center, s.radius);
    00083     return *this;
    00084   }
    00085 };
    00086
    00090 class CS_CRYSTALSPACE_EXPORT csEllipsoid
    00091 {
    00092 private:
    00093   csVector3 center;
    00094   csVector3 radius;
    00095
    00096 public:
    00098   csEllipsoid ()
    00099   {
    00100     center.Set (0, 0, 0);
    00101     radius.Set (0, 0, 0);
    00102   }
    00103
    00105   csEllipsoid (const csVector3& center, const csVector3& radius)
    00106   {
    00107     csEllipsoid::center = center;
    00108     csEllipsoid::radius = radius;
    00109   }
    00110
    00112   csEllipsoid (const csEllipsoid& s) { center = s.center; radius = s.radius; }
    00113
    00115   inline csVector3& GetCenter () { return center; }
    00117   inline const csVector3& GetCenter () const { return center; }
    00119   inline void SetCenter (const csVector3& c) { center = c; }
    00121   inline csVector3& GetRadius () { return radius; }
    00123   inline const csVector3& GetRadius () const { return radius; }
    00125   inline void SetRadius (const csVector3& r) { radius = r; }
    00126 };
    00127
    00130 #endif // __CS_SPHERE_H__
    00131