VNF stands for "Vertices'N'Faces". VNF structures are 2-item lists, [VERTICES,FACES] where the first item is a list of vertex points, and the second is a list of face indices into the vertex list.

3- Generate sphere geometry with ofMesh from scratch. Animate vertex points via noise function to get smooth surface morphing... 4- Generate cylinder geometry with ofMesh from scratch with a different ...