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# Copyright (c) 2018 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from . import Iterator
from UM.Scene.SceneNode import SceneNode
class BreadthFirstIterator(Iterator.Iterator):
def __init__(self, scene_node: SceneNode) -> None:
super().__init__(scene_node)
def _fillStack(self) -> None:
self._node_stack.append(self._scene_node)
for node in self._node_stack: # Loop through list, add children to back of list
self._node_stack.extend(node.getChildren())
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