nuclear@4: #ifndef BVOL_H_
nuclear@4: #define BVOL_H_
nuclear@4: 
nuclear@4: #include "vmath.h"
nuclear@4: 
nuclear@4: struct HitPoint {
nuclear@4: 	float t;
nuclear@4: 	Vector3 pos;
nuclear@4: };
nuclear@4: 
nuclear@4: class BVolume {
nuclear@4: public:
nuclear@4: 	virtual ~BVolume() {}
nuclear@4: 
nuclear@4: 	virtual bool intersect(const Ray &ray, HitPoint *hit) const = 0;
nuclear@4: };
nuclear@4: 
nuclear@4: class BSphere : public BVolume {
nuclear@4: private:
nuclear@4: 	Vector3 center;
nuclear@4: 	float radius;
nuclear@4: 
nuclear@4: public:
nuclear@4: 	BSphere();
nuclear@4: 	explicit BSphere(const Vector3 &c, float rad = 1.0);
nuclear@4: 
nuclear@4: 	void set_center(const Vector3 &center);
nuclear@4: 	const Vector3 &get_center() const;
nuclear@4: 
nuclear@4: 	void set_radius(float rad);
nuclear@4: 	float get_radius() const;
nuclear@4: 
nuclear@4: 	bool intersect(const Ray &ray, HitPoint *hit) const;
nuclear@4: };
nuclear@4: 
nuclear@4: #endif	// BVOL_H_