$#include "Plane.h" class Plane { Plane(); Plane(const Plane& plane); Plane(const Vector3& v0, const Vector3& v1, const Vector3& v2); Plane(const Vector3& normal, const Vector3& point); ~Plane(); void Define(const Vector3& v0, const Vector3& v1, const Vector3& v2); void Define(const Vector3& normal, const Vector3& point); float Distance(const Vector3& point) const; Vector3 normal_ @ normal; Vector3 absNormal_ @ absNormal; float intercept_ @ intercept; };