第一次提交作业

scenes/notenough.gd

@@ -0,0 +1,21 @@
+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