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// $Id: PrimaryGeneratorAction.hh 73008 2013-08-15 08:43:13Z gcosmo $
//
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#ifndef PrimaryGeneratorAction_h
#define PrimaryGeneratorAction_h 1

#include "G4VUserPrimaryGeneratorAction.hh"
#include "G4ParticleGun.hh"
#include "globals.hh"

class DetectorConstruction;
class PrimaryGeneratorMessenger;

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class PrimaryGeneratorAction : public G4VUserPrimaryGeneratorAction
{
  public:
    PrimaryGeneratorAction(DetectorConstruction*);    
   ~PrimaryGeneratorAction();

  public:
    void SetDefaultKinematic();
    void SetRndmBeam(G4double val) { beam = val;} 
    void GeneratePrimaries(G4Event*);
    G4ParticleGun* GetParticleGun() {return particleGun;};
    
  private:
    G4ParticleGun*         particleGun;
    DetectorConstruction*  Detector;
    G4double               beam;          //lateral beam extension
    
    PrimaryGeneratorMessenger* gunMessenger; 
};

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#endif


