Add new option to parallax node 'position_as_offset'

Useful for offsetting a parallax node by itself.

Author: cherrythecool

addons/parallax_node/parallax_node.gd

@@ -10,25 +10,34 @@ class_name ParallaxNode extends Node2D
 ## the screen, and 0.5 is like 1 but it moves slower.
 @export var parallax_factor: Vector2 = Vector2.ONE
 
+## Whether or not to use the position set for the node on ready
+## as an internal offsetting system.
+@export var position_as_offset: bool = false
+
 ## Whether or not to automatically get the current camera
 ## every frame, could be beneifical to keep this off in certain
 ## circumstances, but is on by default for maximum performance.
 @export var ignore_camera_changes: bool = true
 
 ## Internal variable used to track the current camera.
-var camera: Camera2D
+var _camera: Camera2D
+var _offset: Vector2 = Vector2.ZERO
 
 
 func _ready() -> void:
-	camera = get_viewport().get_camera_2d()
+	_camera = get_viewport().get_camera_2d()
+	
+	if position_as_offset:
+		_offset = position
 
 
 func _process(delta: float) -> void:
 	if not ignore_camera_changes:
-		camera = get_viewport().get_camera_2d()
+		_camera = get_viewport().get_camera_2d()
 
-	if camera == null:
+	if _camera == null:
 		position = Vector2.ZERO
 		return
 
-	position = (camera.get_screen_center_position() - (get_viewport_rect().size / 2.0)) * (Vector2.ONE - parallax_factor)
+	position = _offset + (_camera.get_screen_center_position() - \
+			(get_viewport_rect().size / 2.0)) * (Vector2.ONE - parallax_factor)

addons/parallax_node/plugin.cfg

@@ -3,5 +3,5 @@
 name="ParallaxNode"
 description="Alternative new node to the built-in ParallaxBackground & ParallaxLayer system, one that is simpler and is not affected by the camera's zoom."
 author="Midnight"
-version="0.0.2"
+version="0.0.3"
 script="plugin.gd"