DirectionalLightSource.h

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