Background music volume can be adjusted

godot_ship/script/audio controller/AudioController.gd

@@ -1,16 +0,0 @@
-extends Control
-
-
-# Declare member variables here. Examples:
-# var a = 2
-# var b = "text"
-
-
-# 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):
-#	pass