public static GameObject Create(EcsSystems systems, string name = null)
{
if (systems == null)
{
throw new ArgumentNullException("systems");
}
var go = new GameObject(name != null ? string.Format("[ECS-SYSTEMS {0}]", name) : "[ECS-SYSTEMS]");
DontDestroyOnLoad(go);
go.hideFlags = HideFlags.NotEditable;
var observer = go.AddComponent <EcsSystemsObserver> ();
observer._systems = systems;
systems.AddDebugListener(observer);
return(go);
}