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/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527 */
/* without consent of either the College of William & Mary or */
/* Pieter Peers. */
/******************************************************************/
#ifndef _DIRECTIONALLIGHTSOURCE_H_
#define _DIRECTIONALLIGHTSOURCE_H_
#include "lightsource_base.h"
class directionalLightsource : public lightsource_base {
public:
//////////////////
// Constructors //
//////////////////
directionalLightsource(const vec3d& direction=vec3d(0.0f, 0.0f, 1.0f), const color& power=color(1.0f, 1.0f, 1.0f));
directionalLightsource(const directionalLightsource&) = delete;
///////////////
// Operators //
///////////////
directionalLightsource& operator=(const directionalLightsource&) = delete;
/////////////
// Methods //
/////////////
virtual lightSample intensityAt(const vec3d& point) const override;
/////////////
// Friends //
/////////////
friend std::ostream& operator<<(std::ostream& s, const directionalLightsource& d)
{
d._print(s);
return s;
}
private:
/////////////////////
// Private Methods //
/////////////////////
virtual void _print(std::ostream& s) const override;
private:
//////////////////
// Data Members //
//////////////////
vec3d _direction;
color _power;
};
#endif /* _DIRECTIONALLIGHTSOURCE_H_ */
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