Hi,   Something I don't get ... When a mesh is created with updatable param set to true, its vertex buffer may be updated afterwards.   But if it is set to false, this means this buffer isn't taken in account once the mesh is built. Yet the mesh can be rotated, translated, scaled so the vertex positions are changed, aren't they ? Maybe these operations don't apply to the vertex buffer... don't understand the magic under the hood.     Well, these questions are because I'm wondering if a non-updat