Fix TouchSticks with parents in the hierarchy (#6)

src/lib.rs

@@ -134,19 +134,16 @@ impl<S: Hash + Sync + Send + Clone + Default + Reflect + FromReflect + TypePath
 }
 
 fn map_input_zones_from_ui_nodes<S: StickIdType>(
-    interaction_areas: Query<(&Transform, &Node), With<TouchStickInteractionArea>>,
-    mut sticks: Query<&mut TouchStick<S>>,
+    mut interaction_areas: Query<
+        (&mut TouchStick<S>, &GlobalTransform, &Node),
+        With<TouchStickInteractionArea>,
+    >,
 ) {
-    for (transform, node) in &interaction_areas {
-        // todo: match stick ids!
-
-        let pos = transform.translation.truncate();
+    for (mut touch_stick, transform, node) in &mut interaction_areas {
+        let pos = transform.translation().truncate();
         let size = node.size();
         let interaction_area = Rect::from_center_size(pos, size);
-
-        for mut stick in sticks.iter_mut() {
-            stick.interactable_zone = interaction_area;
-        }
+        touch_stick.interactable_zone = interaction_area;
     }
 }