feat!: Got rid of UpdateShapes component

- update_collider_shapes now filters by Changed<Transform>

src/lib.rs

@@ -130,29 +130,12 @@ impl Collider {
     }
 }
 
-#[derive(Component, Debug)]
-/// Add this component on entities, which have their [`Transform`] updated.
-/// Used for [`update_collider_shapes`] system
-pub struct UpdateShapes;
-
 /// Update collider shapes to match new [`Transform`]
 pub fn update_collider_shapes(
-    mut commands: Commands,
-    colliders: Query<(&mut Collider, &Transform, Entity), Added<UpdateShapes>>,
+    colliders: Query<(&mut Collider, &Transform), Changed<Transform>>,
 ) {
-    for (mut collider, transform, entity) in colliders {
+    for (mut collider, transform) in colliders {
         collider.update_shapes_position(&transform.translation.xy());
-        commands.entity(entity).remove::<UpdateShapes>();
-    }
-}
-
-/// Detect new colliders and automatically insert [`UpdateShapes`]
-pub fn detect_colliders(
-    mut commands: Commands,
-    query: Query<Entity, Added<Collider>>,
-) {
-    for entity in query {
-        commands.entity(entity).insert(UpdateShapes);
     }
 }
 
@@ -189,6 +172,6 @@ pub struct CollisionPlugin;
 
 impl Plugin for CollisionPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(PostUpdate, (detect_colliders, update_collider_shapes, check_for_collisions).chain());
+        app.add_systems(PostUpdate, (update_collider_shapes, check_for_collisions).chain());
     }
 }