5 virtual void update() = 0;
7 virtual PVertexIter const_vertices_begin() = 0;
8 virtual PVertexIter const_vertices_end() = 0;
10 virtual PTexCoordIter const_texcoords_begin() = 0;
11 virtual PTexCoordIter const_texcoords_end() = 0;
13 virtual PIdxFaceIter const_idx_faces_begin() = 0;
14 virtual PIdxFaceIter const_idx_faces_end() = 0;
16 virtual PFaceIter const_set_faces_begin() = 0;
17 virtual PFaceIter const_set_faces_end() = 0;
19 virtual unsigned int n_faces() = 0;
20 virtual unsigned int n_vertices() = 0;
21 virtual unsigned int n_texcoords() = 0;