add panel container so overlays will be able to be selected (planned feature)

ovr-utils/addons/openvr_overlay/OverlayInstance.tscn

@@ -7,7 +7,7 @@
 script = ExtResource( 1 )
 
 [node name="OverlayViewport" type="Viewport" parent="."]
-size = Vector2( 2160, 2160 )
+size = Vector2( 100, 100 )
 transparent_bg = true
 handle_input_locally = false
 msaa = 3
@@ -16,4 +16,8 @@ render_target_update_mode = 3
 script = ExtResource( 3 )
 overlay_width_in_meters = 0.4
 
+[node name="PanelContainer" type="PanelContainer" parent="OverlayViewport"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+
 [node name="Offset" type="Spatial" parent="."]

ovr-utils/addons/openvr_overlay/overlay_instance.gd

@@ -18,16 +18,12 @@ func _ready() -> void:
 	$OverlayViewport.overlay_width_in_meters = width_meters
 	$OverlayViewport.size = OverlayInit.ovr_interface.get_render_targetsize()
 	if overlay_scene:
-		$OverlayViewport.add_child(overlay_scene.instance())
+		$OverlayViewport/PanelContainer.add_child(overlay_scene.instance())
 
 	update_tracker_id()
 	update_offset()
 
 
-#func _process(_delta: float) -> void:
-#    update_offset()
-
-
 func update_tracker_id() -> void:
 	_tracker_id = -1
 
@@ -49,7 +45,7 @@ func update_tracker_id() -> void:
 func update_offset() -> void:
 	$Offset.translation = offset_pos
 	$Offset.rotation_degrees = offset_rot
-	print(_tracker_id)
+#	print(_tracker_id)
 	match target:
 		TARGETS.head:
 			$OverlayViewport.track_relative_to_device(0, $Offset.transform)
@@ -92,7 +88,7 @@ func _set_width_meters(width: float):
 
 func _set_overlay_scene(scene: PackedScene):
 	overlay_scene = scene
-	if $OverlayViewport.get_children():
-		$OverlayViewport.get_child(0).queue_free()
-	$OverlayViewport.add_child(overlay_scene.instance())
+	if $OverlayViewport/PanelContainer.get_children():
+		$OverlayViewport/PanelContainer.get_child(0).queue_free()
+	$OverlayViewport/PanelContainer.add_child(overlay_scene.instance())