ExtStepLengthLimitProcess.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <globals.hh>
#include "G4VDiscreteProcess.hh"
 
class G4Track;
 
namespace Belle2 {
 
  namespace Simulation {

    class ExtStepLengthLimitProcess: public G4VDiscreteProcess {
 
    public:

      explicit ExtStepLengthLimitProcess(const G4String& processName = "ExtStepLengthLimitProcess");

      ~ExtStepLengthLimitProcess();

      G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);

      G4double PostStepGetPhysicalInteractionLength(const G4Track&, G4double, G4ForceCondition*);

      G4double GetMeanFreePath(const G4Track&, G4double, G4ForceCondition*);

      G4double GetStepLimit() const { return m_stepLimit; }

      void SetStepLimit(G4double val) { m_stepLimit = val; }
 
    protected:

      G4double m_stepLimit;
 
    };
 
    inline G4double ExtStepLengthLimitProcess::PostStepGetPhysicalInteractionLength(const G4Track&, G4double,
        G4ForceCondition* condition)
    {
      *condition = Forced; // PostStepDoIt() must be called after each step
      return m_stepLimit;
    }
 
    inline G4double ExtStepLengthLimitProcess::GetMeanFreePath(const G4Track&, G4double, G4ForceCondition*)
    {
      return kInfinity;
    }
 
 
  } //end namespace Simulation

} //end Belle2 namespace