Mesh:getVertexFormat
Gets the vertex format that the Mesh was created with.
format = Mesh:getVertexFormat()
format table The vertex format of the Mesh, which is a table containing tables for each vertex attribute the Mesh was created with, in the form of {attribute, ...}.
format.attribute table A table containing the attribute's name, it's data type, and the number of components in the attribute, in the form of {name, datatype, components}.
format.... table Additional vertex attributes in the Mesh.