PointLightSource.h

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#pragma once
 
#ifndef POINT_LIGHT_SOURCE_H_INCLUDED
#define POINT_LIGHT_SOURCE_H_INCLUDED
 
#include "LightSource.h"
 
class PointLightSource : public LightSource {
 
public:
 
    PointLightSource(const Colour& colour, const Point& location);
 
    PointLightSource(const PointLightSource& lightSource);
    
    ~PointLightSource();
    
    PointLightSource& operator=(const PointLightSource& lightSource);
 
    Colour getIlluminationAt(const Point& point) const;
 
    double getDistanceToLight(const Point& point) const;
 
    Direction getLightDirection(const Point& point) const;
 
private:
 
    Point location_; 
};
 
#endif