cleaning

src/collision.rs

@@ -16,7 +16,7 @@ pub struct HasCollided(pub bool);
 
 // Check collision with Player
 pub fn check_collision_with_player(
-    mut player: Single<(&Transform, &Collider, &mut Sprite), With<Player>>,
+    player: Single<(&Transform, &Collider, &mut Sprite), With<Player>>,
     obstacle: Query<(&Transform, &Collider), With<Obstacle>>,
     mut has_collided: ResMut<HasCollided>,
 ) {