source: GTP/trunk/App/Demos/Illum/pathmap/Radion.hpp @ 2197

#pragma once
#include "Vector.hpp"
#include <ostream>

/*!
\brief Class that describes a virtual light source on a diffuse surface.
*/
class Radion
{
public:
        //! surface normal at the virtual light source
        Vector normal;
        //! power of the virtual light source
        Vector radiance;
        //! position of the virtual light source
        Vector position;

        //! probability of generation (useful for clipping the form factor)
        float probability;

        Radion(void);
        ~Radion(void);

        double getFormFactorTo(const Radion& o) const;
};

std::ostream& operator<<(std::ostream& s, const Radion& r);
std::istream& operator>>(std::istream& s, Radion& r);