extends Label # Called when the node enters the scene tree for the first time. # Replace with function body. # Called every frame. 'delta' is the elapsed time since the previous frame. func _process(delta: float) -> void: pass func _ready(): visible = false var goal = get_tree().get_first_node_in_group("goal") if goal: goal.not_enough_coins.connect(_on_not_enough_coins) func _on_not_enough_coins(): visible = true text = "金币不够!" await get_tree().create_timer(3.0).timeout # 等 3 秒 visible = false