Implement audio management system with effects and music players; add settings for sound and music volume

stage/stage.gd

@@ -64,6 +64,7 @@ const SWIPE_DURATION: float = 0.4
 
 @onready var g_time_minus: TextureButton = $World/TopMenu/TimeMinus
 @onready var g_time_plus: TextureButton = $World/TopMenu/TimePlus
+@onready var effects_player: OwniverseEffectsPlayer = $"../FXPlayer"
 
 @onready var screens: Dictionary = {
     "World": $World,
@@ -263,12 +264,14 @@ func _swipe_to_nearest_page() -> void:
 
 func _input(event: InputEvent) -> void:
     if event is InputEventScreenDrag:
+        #effects_player.play_effect("swipe")
         stage_page_scroller.scroll_horizontal = clamp(
                 stage_page_scroller.scroll_horizontal - PAGE_COUNT * event.screen_relative.x,
                 0, PAGE_WIDTH * (PAGE_COUNT - 1))
         g_counters.swipe.is_active = true
         g_counters.swipe.value = 0
     elif event is InputEventPanGesture:
+        #effects_player.play_effect("swipe")
         g_counters.swipe.is_active = true
         g_counters.swipe.value = 0
     elif event is InputEventScreenTouch: