LightSource.h

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#pragma once
 
#ifndef LIGHT_SOURCE_H_INCLUDED
#define LIGTH_SOURCE_H_INCLUDED
 
#include "Colour.h"
#include "Ray.h"
 
class LightSource {
 
public:
 
    virtual Colour getIlluminationAt(const Point& point) const = 0;
 
 
    virtual double getDistanceToLight(const Point& point) const = 0;
 
    virtual Direction getLightDirection(const Point& point) const = 0;
 
 
protected:
 
    LightSource(const Colour& colour);
    
    LightSource(const LightSource& lightSource);
    
    virtual ~LightSource();
    
    LightSource& operator=(const LightSource& lightSource);
 
    Colour colour_;  
};
 
#endif // LIGHT_SOURCE_H_INCLUDED