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//
// INCL++ intra-nuclear cascade model
// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
// Davide Mancusi, CEA
// Alain Boudard, CEA
// Sylvie Leray, CEA
// Joseph Cugnon, University of Liege
//
#define INCLXX_IN_GEANT4_MODE 1

#include "globals.hh"

#include "G4INCLParticle.hh"
#include "G4INCLIChannel.hh"
#include "G4INCLNucleus.hh"

#ifndef REFLECTIONCHANNEL_HH_
#define REFLECTIONCHANNEL_HH_
namespace G4INCL {
  class FinalState;

  class ReflectionChannel : public IChannel {
  public:
    ReflectionChannel(Nucleus *n, Particle *p);
    virtual ~ReflectionChannel();

    FinalState* getFinalState();

  private:
    /** \brief Sine^2 of the smallest acceptable reflection angle / 4
     *
     * Particles impinging almost tangentially on the surface generate a large
     * number of reflections. If the impinging angle is larger than a certain
     * limit, we move the particle a bit towards the inside of the nucleus.
     * The limit angle is arbitrarily chosen to correspond to 100 reflections
     * per orbit. The position scaling factor is given by the
     * positionScalingFactor member.
     */
    static const G4double sinMinReflectionAngleSquaredOverFour;
    /// \brief Scaling factor for excessively tangential reflection
    static const G4double positionScalingFactor;
    Nucleus *theNucleus;
    Particle *theParticle;
  };
}
#endif //REFLECTIONCHANNEL_HH_