Source: raytracer/lightsource.h

/* *************************************************************************
                          lightsource.h  -  description
                             -------------------
    begin                : Wed Oct 16 2002        
    copyright            : (C) 2002 by Micha Riser
    email                : mriser@gmx.net
 ************************************************************************* */

/* *************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ************************************************************************* */

#ifndef LIGHTSOURCE_H
#define LIGHTSOURCE_H

#include "transformatable.h"
#include "vector.h"
#include "lightray.h"
#include "colour.h"
#include "cameraray.h"

/**Superclass for all light sources.
  *@author Micha Riser
  */
class LightSource: public Transformatable {

public: // Constructors and destructor
    LightSource(Vector3 location): Transformatable(location) {}

public: // Public methods
    Vector3 location() {return translation;}

    // Pure virtual methods
    virtual LightRay shineTo(const Vector3& to, InsideList* l) const = 0;
    virtual Colour3 enlight(const CameraRay& cray, const Texture* t, InsideList* l) const = 0;

};

#endif