Photon.h

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#ifndef _utl_Photon_h_
#define _utl_Photon_h_

#include <utl/Point.h>
#include <utl/Vector.h>
#include <utl/TimeInterval.h>


namespace utl {

  class Photon {

  public:
    Photon() = default;

    Photon(const utl::Point& p, const utl::Vector& n,
           const double lambda, const double weight, const int source = 0)
      : fWeight(weight), fSource(source), fPosition(p), fDirection(n), fWavelength(lambda) { }

    double GetWeight() const { return fWeight; }

    int GetSource() const { return fSource; }
    const utl::Point& GetPosition()  const { return fPosition; }
    const utl::Vector& GetDirection() const { return fDirection; }
    double GetWavelength() const { return fWavelength; }
    utl::TimeInterval GetTime() const { return fTime; }

    void SetWeight(const double w) { fWeight = w; }
    void SetSource(const int source ) { fSource = source; }
    void SetPosition(const utl::Point& p) { fPosition = p; }
    void SetDirection(const utl::Vector& v) { fDirection = v; }
    void SetWavelength(const double wl) { fWavelength = wl; }
    void SetTime(const utl::TimeInterval& t) { fTime = t; }

  private:
    double fWeight = 0;
    int fSource = 0;
    utl::Point fPosition;
    utl::Vector fDirection;
    double fWavelength = 0;
    utl::TimeInterval fTime;

  };

}


#endif