When cutting polygons in mesh, then a lot of new trias are generated. Some could be joined again. Especially in the case that innner / outer boundaries are all in the same original tria. Such bounds can be searched and joined as the original vertices are all stored in area trias.
When cutting polygons in mesh, then a lot of new trias are generated. Some could be joined again. Especially in the case that innner / outer boundaries are all in the same original tria. Such bounds can be searched and joined as the original vertices are all stored in area trias.