extends Node

func get_first_node_of_type(parent: Node, type: Variant, include_internal: bool = false) -> Node:
	var result = null
	for child in parent.get_children(include_internal):
		if is_instance_of(child, type):
			result = child
			break
		elif child.get_child_count(include_internal) > 0:
			result = get_first_node_of_type(child, type, include_internal)
			if result != null:
				break
	return result


func get_nodes_of_class(parent: Node, type: Variant, include_internal: bool = false) -> Array[Variant]:
	var nodes: Array[Variant] = []
	for child in parent.get_children(include_internal):
		if is_instance_of(child, type):
			nodes.append(child)
		elif child.get_child_count(include_internal) > 0:
			nodes.append_array(get_nodes_of_class(child, type, include_internal))
	return nodes