42 lines
1.2 KiB
GDScript
42 lines
1.2 KiB
GDScript
extends Node2D
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const NodeUtils = preload("res://zfoo/util/NodeUtils.gd")
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func _enter_tree():
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# When the node enters the Scene Tree, it becomes active
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# and this function is called. Children nodes have not entered
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# the active scene yet. In general, it's better to use _ready()
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# for most cases.
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print("parent _enter_tree")
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func _ready():
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# This function is called after _enter_tree, but it ensures
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# that all children nodes have also entered the Scene Tree,
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# and became active.
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print("parent _ready")
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$DeleteButton.connect("pressed", Callable(self, "deleteSubNode1"))
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func _exit_tree():
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# When the node exits the Scene Tree, this function is called.
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# Children nodes have all exited the Scene Tree at this point
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# and all became inactive.
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print("parent _exit_tree")
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func deleteSubNode1():
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var root = get_tree().root
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root.remove_child(self)
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#注意monitor监视窗口的object变化，和node变化，由于组合一个节点可能包含多个对象
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#self.queue_free()
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#remove_child只能移除子节点，无法移除子节点的子节点
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#get_tree().root.remove_child(self)
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#remove_child($SubNode1)
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#先增加再删除
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#root.add_child(self)
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#为了简单，可以使用统一的封装方法，门面模式
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#NodeUtils.removeNode(self)
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