feat: bubble location

camera/camera.gd

@@ -1,4 +1,5 @@
 extends Node2D
+class_name SuperCamera
 
 @onready var area_2d: Area2D = $Area2D
 @onready var camera: Camera2D = $Camera2D
@@ -7,6 +8,7 @@ extends Node2D
 @export var minimum_location = 0
 @export var maximum_location = 640
 
+signal became_active(SuperCamera)
 
 var is_player_in_range = false
 var player: Node2D
@@ -29,6 +31,7 @@ func _process(delta: float) -> void:
 
 func _on_body_entered(body: Node2D) -> void:
 	if body.name == "Player":
+		became_active.emit(self)
 		camera.make_current()
 		player = body
 		is_player_in_range = true