public override Vector4[] GetV4(VertexDataDestination trg)
            {
                if (trg.GetType() == typeof(VertexTangentTrg))
                {
                    CurMeshDta.mesh.RecalculateTangents();
                    return(null);
                }

                return(v4s);
            }
 public static bool IsDestinationType <T>(this VertexDataDestination vd) where T : VertexDataDestination => vd.GetType() == typeof(T);