include/Geant4/G4VAngularDistribution.hh

0001 //
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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //      GEANT4 Class file
0029 //
0030 //
0031 //      File name:     G4VAngularDistribution
0032 //
0033 //      Author:        Maria Grazia Pia (MariaGrazia.Pia@genova.infn.it)
0034 //
0035 //      Creation date: 15 April 2000
0036 //
0037 //      Modifications:
0038 //
0039 // Abstract class for angular distribution strategy pattern
0040 //
0041 // Id: G4VAngularDistribution.hh,v 1.16 2000/05/11 19:07:29 pia Exp $ //
0042 //
0043 // -------------------------------------------------------------------
0044
0045 #ifndef G4VANGULARDISTRIBUTION_HH
0046 #define G4VANGULARDISTRIBUTION_HH
0047
0048 #include <CLHEP/Units/PhysicalConstants.h>
0049
0050 #include "globals.hh"
0051 #include "G4HadronicException.hh"
0052 #include "Randomize.hh"
0053
0054 class G4VAngularDistribution
0055 {
0056
0057 public:
0058
0059   // Constructors
0060   G4VAngularDistribution() { }
0061
0062   virtual ~G4VAngularDistribution() { }
0063
0064   virtual G4double CosTheta(G4double s, G4double m1, G4double m2) const = 0;
0065
0066   virtual G4double Phi() const { return 2.*CLHEP::pi*G4UniformRand(); }
0067
0068 protected:
0069
0070 private:
0071
0072 };
0073
0074 #endif