Box3D functions
이 함수들은 간격들(축에 평행하는 모서리들을 가진 직사각형)에서 작동합니다
Box3DType
Geometry::IVBox3DType
Geometry::InitBox3D
Geometry::SetBox3D
Geometry::EmptyBox3D
Geometry::InsetBox3D
Geometry::SectBox3D
F_Box3DType
Geometry::IVF_Box3D
