nuclear@4: #ifndef LIGHT_H_
nuclear@4: #define LIGHT_H_
nuclear@4: 
nuclear@4: #include "color.h"
nuclear@4: 
nuclear@4: class Light {
nuclear@4: protected:
nuclear@4: 	float intensity;
nuclear@4: 	Color color;
nuclear@4: 
nuclear@4: public:
nuclear@4: 	Light(const Color &col = 1.0);
nuclear@4: 	virtual ~Light();
nuclear@4: 
nuclear@4: 	virtual void set_intensity(float val);
nuclear@4: 	virtual void set_color(const Color &col);
nuclear@4: 
nuclear@21: 	virtual Color get_color(bool with_intensity = true) const;
nuclear@21: 
nuclear@4: 	virtual void use(int id = 0) const;
nuclear@4: };
nuclear@4: 
nuclear@4: class PointLight : public Light {
nuclear@4: protected:
nuclear@4: 	Vector3 pos;
nuclear@4: 	float atten[3];
nuclear@21: 	float radius;
nuclear@4: 
nuclear@4: public:
nuclear@4: 	PointLight();
nuclear@4: 	PointLight(const Vector3 &pos, const Color &col = 1.0);
nuclear@4: 
nuclear@4: 	void set_position(const Vector3 &pos);
nuclear@4: 	void set_attenuation(float att_const, float att_lin, float att_quad);
nuclear@4: 
nuclear@21: 	void set_radius(float rad);
nuclear@21: 	float get_radius() const;
nuclear@21: 
nuclear@4: 	virtual void use(int id = 0) const;
nuclear@4: };
nuclear@4: 
nuclear@4: class DirLight : public Light {
nuclear@4: protected:
nuclear@4: 	Vector3 dir;
nuclear@4: 
nuclear@4: public:
nuclear@4: 	DirLight();
nuclear@4: 	DirLight(const Vector3 &dir, const Color &col = 1.0);
nuclear@4: 
nuclear@4: 	void set_direction(const Vector3 &dir);
nuclear@4: 
nuclear@4: 	virtual void use(int id = 0) const;
nuclear@4: };
nuclear@4: 
nuclear@4: 
nuclear@4: void set_light(int id, const Light *lt);
nuclear@4: 
nuclear@4: 
nuclear@4: #endif	// LIGHT_H_