photon.hpp

#pragma once
#include "core/color.hpp"

namespace rt{

class photon{
public:
    photon();

    photon(const photon &);

    photon(const rt::color & clr, double e = 1.0);

    photon(double r, double g, double b, double e = 1.0);

    inline const rt::color & color() const{
        return _color;
    }

    double energy() const;

    void operator+=(const photon &);

    photon operator+(const photon &) const;

    void operator*=(const rt::color &);

    photon operator*(const rt::color &) const;

    void operator*=(double f);

    photon operator*(double f) const;

    operator bool() const;

private:
    rt::color _color;
        double _e;
};

photon operator*(double f, const photon & p);

photon operator*(const color & c, const photon & p);

}