csgeom/sphere.h Source File (Crystal Space 2.0 Public API Reference)

| ## Public API Reference

- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files

- File List
- File Members

csgeom/sphere.h
Go to the documentation of this file.

    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 "csgeom/math3d.h"
    00033 #include "csgeom/vector3.h"
    00034
    00035 class csTransform;
    00036
    00040 class CS_CRYSTALSPACE_EXPORT csSphere
    00041 {
    00042 private:
    00043   csVector3 center;
    00044   float radius;
    00045
    00046 public:
    00048   csSphere ()
    00049   {
    00050     center.Set (0, 0, 0);
    00051     radius = 0;
    00052   }
    00053
    00055   csSphere (const csVector3& center, float radius)
    00056   {
    00057     csSphere::center = center;
    00058     csSphere::radius = radius;
    00059   }
    00060
    00062   csSphere (const csSphere& s) { center = s.center; radius = s.radius; }
    00063
    00065   inline csVector3& GetCenter () { return center; }
    00067   inline const csVector3& GetCenter () const { return center; }
    00069   inline void SetCenter (const csVector3& c) { center = c; }
    00071   inline float GetRadius () const { return radius; }
    00073   inline void SetRadius (float r) { radius = r; }
    00074
    00076   void Union (const csVector3& ocenter, float oradius);
    00077
    00079   friend CS_CRYSTALSPACE_EXPORT csSphere operator+ (const csSphere& s1,
    00080     const csSphere& s2);
    00082   csSphere& operator+= (const csSphere& s)
    00083   {
    00084     Union (s.center, s.radius);
    00085     return *this;
    00086   }
    00087
    00089   bool TestIntersect (const csSphere& sphere) const
    00090   {
    00091     float sqDist = csSquaredDist::PointPoint (center, sphere.center);
    00092     return (sqDist - (csSquare (radius + sphere.radius))) < 0;
    00093   }
    00094 };
    00095
    00099 class CS_CRYSTALSPACE_EXPORT csEllipsoid
    00100 {
    00101 private:
    00102   csVector3 center;
    00103   csVector3 radius;
    00104
    00105 public:
    00107   csEllipsoid ()
    00108   {
    00109     center.Set (0, 0, 0);
    00110     radius.Set (0, 0, 0);
    00111   }
    00112
    00114   csEllipsoid (const csVector3& center, const csVector3& radius)
    00115   {
    00116     csEllipsoid::center = center;
    00117     csEllipsoid::radius = radius;
    00118   }
    00119
    00121   csEllipsoid (const csEllipsoid& s) { center = s.center; radius = s.radius; }
    00122
    00124   inline csVector3& GetCenter () { return center; }
    00126   inline const csVector3& GetCenter () const { return center; }
    00128   inline void SetCenter (const csVector3& c) { center = c; }
    00130   inline csVector3& GetRadius () { return radius; }
    00132   inline const csVector3& GetRadius () const { return radius; }
    00134   inline void SetRadius (const csVector3& r) { radius = r; }
    00135 };
    00136
    00139 #endif // __CS_SPHERE_H__
    00140