第一次提交作业

scenes/prefabs/collectibles/coin_gold_round.gd

@@ -0,0 +1,19 @@
+extends Area2D
+
+
+# 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
+@export var value: int = 1   # 这枚金币值多少分
+
+func _ready():
+	body_entered.connect(_on_body_entered)
+
+func _on_body_entered(body: Node2D) -> void:
+	if body.has_method("add_coin"):   # 确认是主角
+		body.add_coin(value)
+		queue_free()