src/Light.h

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#ifndef LIGHT_H
#define LIGHT_H


#include "Vec3f.h"
#include "RGBAColor.h"


class Scene;


class Light
{
public:
    Light()
        : mScene(NULL)
    {
    }

    virtual ~Light()
    {
    }

    virtual RGBAColor illuminate(Vec3f & dir, const Vec3f & org, unsigned int index = 0) const = 0;

    virtual unsigned int numberOfRays() const
    {
        return 1;
    }

    virtual void setNumberOfRays(unsigned int) = 0;

    void setScene(Scene * newScene)
    {
        assert(newScene);
        mScene = newScene;
    }

    Scene * scene()
    {
        assert(mScene);
        return mScene;
    }

protected:
    Scene * mScene;
};


#endif

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