src/rcrt/gi/Photon.h

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#ifndef PHOTON_H_
#define PHOTON_H_

#include "../RGBColor.h"
#include "../math/Point3D.h"
#include "../math/Vec3D.h"
#include "../primitives/Axis.hpp"

namespace rcrt
{

enum ScatterEvent{
        STORE,
        DIFFUSE,
        SPECULAR,
        REFRACTED,
        INVALID,
};

class Photon
{
private:
        RGBColor power;
        Vec3D direction;
        Point3D position;
        float weight;
        int bounces;
        
public:
        Photon(const float& w = 1);
        Photon(const RGBColor& pow, const Vec3D& dir, const Point3D& pos, const int& b = 0, const float& weight = 1);
        virtual ~Photon();
        
        inline void setWeight(const float& w)
        {
                weight = w;
        }
        
        inline const float& getWeight() const
        {
                return weight;
        }
        
        inline void setPos(const Point3D& pos)
        {
                position = pos;
        }
        
        inline const Point3D& getPos() const
        {
                return position;
        }
        
        inline void setPower(const RGBColor& pow)
        {
                power = pow;
        }
        
        inline const RGBColor& getPower() const
        {
                return power;
        }
        
        inline void scalePower(const RGBColor& fac)
        {
                power = power * fac;
        }
        
        inline void scalePower(const float& fac)
        {
                power = power * fac;
        }
        
        inline void setDir(const Vec3D& vec)
        {
                direction = vec;
        }
        
        inline const Vec3D& getDir() const
        {
                return direction;
        }
        
        inline void addBounce()
        {
                bounces++;
        }
        
        inline const int& getBounces()
        {
                return bounces;
        }
        
        inline void setBounces(const int& i)
        {
                bounces = i;
        }
        
};

}

#endif /*PHOTON_H_*/

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