specter: Sphere.h Source File

00001 
00005 #ifndef Sphere_h
00006 #define Sphere_h
00007 
00008 #include "Primitive.h"
00009 #include "Point.h"
00010 class Ray;
00011 
00012 class Sphere : public Primitive {
00013  public:
00014   Sphere(Material* material, const Point& center, double radius);
00015   virtual ~Sphere();
00016 
00017   virtual void getBounds(BoundingBox& bbox) const;
00018   virtual void intersect(HitRecord& hit, const RenderContext& context, const Ray& ray) const;
00019   virtual void normal(Vector& normal, const RenderContext& context,
00020                       const Point& hitpos, const Ray& ray, const HitRecord& hit) const;
00021  protected:
00022   Point center;
00023   double radius;
00024   double inv_radius;
00025 };
00026 
00027 #endif