nuclear@1: #ifndef LIGHT_H_
nuclear@1: #define LIGHT_H_
nuclear@1: 
nuclear@1: #include "vmath.h"
nuclear@13: #include "snode.h"
nuclear@1: 
nuclear@12: class Light : public SceneNode {
nuclear@1: private:
nuclear@17: 	float intens;
nuclear@1: 	Vector3 color;
nuclear@1: 	Vector3 atten;
nuclear@1: 
nuclear@1: public:
nuclear@1: 	Light();
nuclear@1: 
nuclear@17: 	void set_intensity(float val);
nuclear@17: 	float get_intensity() const;
nuclear@17: 
nuclear@1: 	void set_color(const Vector3 &color);
nuclear@1: 	const Vector3 &get_color() const;
nuclear@1: 
nuclear@17: 	// includes attenuation and intensity
nuclear@17: 	Vector3 get_color(const Vector3 &pt) const;
nuclear@17: 
nuclear@1: 	void set_attenuation(const Vector3 &atten);
nuclear@1: 	const Vector3 &get_attenuation() const;
nuclear@12: 
nuclear@17: 	float calc_attenuation(float d) const;
nuclear@17: 
nuclear@18: 	void draw(bool emph = false) const;
nuclear@12: 
nuclear@17: 	bool intersect(const Ray &ray, RayHit *hit = 0) const;
nuclear@1: };
nuclear@1: 
nuclear@1: #endif	// LIGHT_H_