Fix ownership update condition (#107)

Reviewed-on: #107
Reviewed-by: Raphaël <r.lauray@outlook.fr>
Co-authored-by: CoCo_Sol007 <solois.corentin@gmail.com>
Co-committed-by: CoCo_Sol007 <solois.corentin@gmail.com>

crates/border-wars/src/map/ownership.rs

@@ -29,9 +29,12 @@ fn setup_ownership_resources(mut commands: Commands) {
     commands.insert_resource(OwnershipColorContrast(0.4));
 }
 
+/// The type condition for update ownership.
+type OwnershipUpdate = Or<(Changed<Owner>, Changed<Sprite>)>;
+
 /// Render the ownership of the tiles by applying colors.
 fn render_ownership(
-    mut query: Query<(&mut Sprite, &Owner), Changed<Owner>>,
+    mut query: Query<(&mut Sprite, &Owner), OwnershipUpdate>,
     contrast: Res<OwnershipColorContrast>,
 ) {
     for (mut sprite, owner) in query.iter_mut() {