Node and Node2D now have the .get_world_position() method. For Node, this will return the parent's world position otherwise (0,0). For Node2D this returns the screen position of Node2D instance.

game/gbe/nodes.py

     def child_count(self):
         return len(this._NODE_DATA["children"])
 
+    def get_world_position(self):
+        if self.parent is None:
+            return (0,0)
+        return self.parent.get_world_position()
+
     def parent_to_node(self, parent, allow_reparenting=False):
         if not isinstance(value, Node):
             raise NodeError("Node may only parent to another Node instance.")
             self.on_render()
             del self._ACTIVE_SURF
 
+    def get_world_position(self):
+        pos = self.position
+        if self.parent is None:
+            return pos
+        ppos = self.parent.get_world_position()
+        return (pos[0] + ppos[0], pos[1] + ppos[1])
+
     def _render(self, surface):
         self._callOnRender(surface)
         Node._render(self, surface)