extends Node2D func _notification(what): if what == NOTIFICATION_WM_CLOSE_REQUEST: get_tree().quit() # default behavior # Called when the node enters the scene tree for the first time. func _ready(): pass # Replace with function body. # Called every frame. 'delta' is the elapsed time since the previous frame. func _process(delta): if Input.is_action_pressed("ui_cancel"): get_tree().root.propagate_notification(NOTIFICATION_WM_CLOSE_REQUEST)