G4VAngularDistribution.hh

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//
// -------------------------------------------------------------------
//      GEANT4 Class file
//
//
//      File name:     G4VAngularDistribution
//
//      Author:        Maria Grazia Pia (MariaGrazia.Pia@genova.infn.it)
// 
//      Creation date: 15 April 2000
//
//      Modifications: 
//      
// Abstract class for angular distribution strategy pattern
//
// Id: G4VAngularDistribution.hh,v 1.16 2000/05/11 19:07:29 pia Exp $ //
//
// -------------------------------------------------------------------

#ifndef G4VANGULARDISTRIBUTION_HH
#define G4VANGULARDISTRIBUTION_HH

#include <CLHEP/Units/PhysicalConstants.h>

#include "globals.hh"
#include "G4HadronicException.hh"
#include "Randomize.hh"

class G4VAngularDistribution 
{

public:

  // Constructors
  G4VAngularDistribution() { }

  virtual ~G4VAngularDistribution() { }

  virtual G4double CosTheta(G4double s, G4double m1, G4double m2) const = 0;

  virtual G4double Phi() const { return 2.*CLHEP::pi*G4UniformRand(); }

protected:

private:  

};

#endif