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//
#include "Par04PrimaryGeneratorAction.hh"

#include "Par04EventInformation.hh"  // for Par04EventInformation

#include "G4Event.hh"  // for G4Event
#include "G4ParticleGun.hh"  // for G4ParticleGun
#include "G4ParticleTable.hh"  // for G4ParticleTable
#include "G4SystemOfUnits.hh"  // for GeV

#include <CLHEP/Units/SystemOfUnits.h>  // for GeV
#include <G4String.hh>  // for G4String
#include <G4ThreeVector.hh>  // for G4ThreeVector
#include <G4Types.hh>  // for G4int
#include <G4VUserPrimaryGeneratorAction.hh>  // for G4VUserPrimaryGeneratorA...
#include <string>  // for basic_string
class G4ParticleDefinition;

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

Par04PrimaryGeneratorAction::Par04PrimaryGeneratorAction() : G4VUserPrimaryGeneratorAction()
{
  G4int n_particle = 1;
  fParticleGun = new G4ParticleGun(n_particle);
  // Default particle properties
  G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
  G4String particleName;
  G4ParticleDefinition* particle = particleTable->FindParticle(particleName = "e-");
  fParticleGun->SetParticleDefinition(particle);
  fParticleGun->SetParticleMomentumDirection(G4ThreeVector(0., 1., 0.));
  fParticleGun->SetParticleEnergy(10. * GeV);
  fParticleGun->SetParticlePosition(G4ThreeVector(0., 0., 0.));
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

Par04PrimaryGeneratorAction::~Par04PrimaryGeneratorAction()
{
  delete fParticleGun;
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

void Par04PrimaryGeneratorAction::GeneratePrimaries(G4Event* aEvent)
{
  fParticleGun->GeneratePrimaryVertex(aEvent);
  aEvent->SetUserInformation(new Par04EventInformation());
}