Add fallback camera with mouse controls

project/start_vr.gd

@@ -3,6 +3,7 @@ extends Node3D
 signal focus_lost
 signal focus_gained
 signal pose_recentered
+signal setup_failed
 
 @export var maximum_refresh_rate : int = 90
 
@@ -40,6 +41,7 @@ func _ready() -> void:
 		print("OpenXR not instantiated!")
 		# Allow the game to run without VR
 		#get_tree().quit()
+		setup_failed.emit()
 
 
 func _on_tracker_added(tracker_name: StringName, type: int) -> void: