00001
00005 #ifndef Triangle_h
00006 #define Triangle_h
00007
00008 #include "Vector.h"
00009 #include "Primitive.h"
00010 class HitRecord;
00011 class Point;
00012 class RenderContext;
00013
00017 class Triangle : public Primitive {
00018 public:
00019 Triangle(Material* material, const Point &A, const Point &B, const Point &C);
00020 virtual ~Triangle();
00021
00022 virtual void getBounds(BoundingBox& bbox) const;
00023 virtual void intersect(HitRecord& hit, const RenderContext& context, const Ray& ray) const;
00024 virtual void normal(Vector& normal, const RenderContext& context,
00025 const Point & hitpos, const Ray& ray, const HitRecord& hit) const;
00026
00027 private:
00028 Triangle(const Triangle&);
00029 Triangle& operator=(const Triangle&);
00030
00031 Point a, b, c;
00032 Vector ab;
00033 Vector ac;
00034 Vector n;
00035 double d;
00036 int i1, i2;
00037 };
00038
00039 #endif
00040
