public SurfaceMaterial(string name) :
     base(name, null)
 {
     _surface = LayerSurface.Default;
 }
 public SurfaceMaterial(string name, ResourceManager manager) : base(name, manager)
 {
     _surface = LayerSurface.Default;
 }
 public SurfaceMaterial()
 {
     _surface = LayerSurface.Default;
 }