G4Ray.icc

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00026 //
00027 // $Id$
00028 //
00029 // --------------------------------------------------------------------
00030 // GEANT 4 inline definitions file
00031 //
00032 // G4Ray.icc
00033 //
00034 // Implementation of inline methods of G4Ray
00035 // --------------------------------------------------------------------
00036 
00037 inline
00038 G4Point3D G4Ray::GetPoint(G4double i) const
00039 {
00040   return G4Point3D( start+i*dir );
00041 }
00042 
00043 inline
00044 G4double G4Ray::GetPPoint(const G4Point3D& p) const
00045 {
00046   // |dir|==1
00047   return (p-start)*dir;
00048 }
00049 
00050 inline
00051 const G4Vector3D& G4Ray::GetDir() const
00052 {
00053   return dir;
00054 }
00055 
00056 inline
00057 const G4Point3D& G4Ray::GetStart() const
00058 {
00059   return start;
00060 }
00061 
00062 inline
00063 void G4Ray::SetDir(const G4Vector3D& dir0)
00064 {
00065   dir= dir0.unit();
00066 }
00067 
00068 inline
00069 void G4Ray::SetStart(const G4Point3D& start0)
00070 {
00071   start= start0;
00072 }
00073 
00074 inline
00075 void G4Ray::Init(const G4Point3D& start0, const G4Vector3D& dir0)
00076 {
00077   start= start0;
00078   dir=   dir0;
00079   RayCheck();
00080   CreatePlanes();
00081 }
00082 
00083 inline
00084 G4double G4Ray::P2(G4double x) const
00085 {
00086   return(x*x);
00087 }
00088 
00089 inline
00090 G4int G4Ray::NearZero(G4double val, G4double epsilon) const
00091 {
00092   return ( ((val) > -epsilon) && ((val) < epsilon) );
00093 }
00094 
00095 inline
00096 void G4Ray::Vsetall(G4Vector3D &a, G4double i) 
00097 {
00098   a.setX(i); a.setY(i); a.setZ(i);
00099 }

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