第一次提交作业

scenes/hp.gd

@@ -0,0 +1,19 @@
+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():
+	var player = %Player
+	if player:
+		player.health_changed.connect(_on_health_changed)
+		_on_health_changed(player.hp,player.max_hp)   # 初始化显示
+		print("信号已连接")
+
+func _on_health_changed(current: int, max_hp: int):
+	text = "生命: %d/%d" % [current,max_hp]