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// $Id: G4DeltaAngle.hh 66241 2012-12-13 18:34:42Z gunter $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:  G4DeltaAngle
//
// Author:     Vladimir Ivantchenko
// 
// Creation date: 23 August 2013
//
// Modifications: 
//
// Class Description: 
//
// Delta-electron Angular Distribution Generation 
//
// -------------------------------------------------------------------
//

#ifndef G4DeltaAngle_h
#define G4DeltaAngle_h 1

#include "G4ios.hh"
#include "globals.hh"
#include "G4VEmAngularDistribution.hh"

class G4ParticleDefinition;

class G4DeltaAngle : public G4VEmAngularDistribution
{

public:

  G4DeltaAngle(const G4String& name = "");

  virtual ~G4DeltaAngle();

  virtual G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
                                         G4double kinEnergyFinal,
                                         G4int Z,
                                         const G4Material* mat = 0);

  void PrintGeneratorInformation() const;

private:

  // hide assignment operator 
  G4DeltaAngle & operator=(const  G4DeltaAngle &right);
  G4DeltaAngle(const  G4DeltaAngle&);

  const G4ParticleDefinition* fElectron;
  std::vector<G4double> prob;
  G4int                 nprob;

};

#endif