private IEnumerable<IObject> ConvertObjects(IEnumerable<IObject> objects)
 {
     return _accessor.Select<IObject, IObject>(obj => {
         if (obj == null || !obj.Exists)
             return obj;
         if (_objects.ContainsKey(obj.GlobalID))
             return _objects[obj.GlobalID];
         SandboxedObject newObj = new SandboxedObject(obj, this);
         _objects.Add(obj.GlobalID, newObj);
         return newObj;
     });
 }
 public IObject Create(Vector3 position, Quaternion rotation)
 {
     SandboxedObject obj = new SandboxedObject(_accessor.Create(position, rotation), this);
     lock (_objects)
         _objects.Add(obj.GlobalID, obj);
     return obj;
 }