src/rcrt/Intersection.h

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#ifndef INTERSECTION_H_
#define INTERSECTION_H_

#include "math/Point3D.h"
#include "math/Point2D.h"
#include "math/Vec3D.h"
#include <complex>

namespace rcrt
{

class Primitive;

class Intersection
{
private:
        float distance;
        const Primitive* prim;
        Point3D position;
        Point2D parameters;
        Vec3D shadingNormal;
        Vec3D geomNormal;
        Vec3D shadingNormalLocal;
        Vec3D geomNormalLocal;
        Point2D uv;
        bool initSNo, initGNo, initSNoL, initGNoL, initUV, backside;
        std::complex<float> lastIOR;
        
public:
        Intersection();
        
        Intersection(const float dist,const Primitive* p, const Point3D& pos,
                        const float param1, const float param2, bool bs = false);
        virtual ~Intersection();
        
        void setUV(const Point2D& uv);
        
        bool isValid() const;
        
        float getDistance() const;
        const Primitive* const getPrimitive() const;
        const Point3D& getPosition() const;
        
        const Vec3D& getSNormalW();
        
        const Vec3D& getGNormalW();
        
        const Vec3D& getSNormalL();
        
        const Vec3D& getGNormalL();
        void setSNormalW(const Vec3D& no);
        void setGNormalW(const Vec3D& no);
        void setSNormalL(const Vec3D& no);
        void setGNormalL(const Vec3D& no);
        void setPrimitive(const Primitive* p);
        
        void setLastIOR(const std::complex<float>& ior);
        void setLastIOR(const float& real, const float& imag=0);
        const std::complex<float>& getLastIOR() const;
        const Point2D& getUV();
        const Point2D& getParams() const;
        const bool& backSide() const;
};

}

#endif /*INTERSECTION_H_*/

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