Проектная работа - WIP

snake-game/src/startup.rs

@@ -96,22 +96,32 @@ fn spawn_snake(commands: &mut Commands) {
 
     commands
         .entity(tail)
-        //
         .observe(
             |event: On<GridBarier>,
              mut query: Query<(&mut Direction, &Transform)>,
              snake_path: Res<SnakePath>| {
-                trace!("first observer working");
                 if let Ok((mut direction, transform)) = query.get_mut(event.0) {
                     if let Some(new_direction) = snake_path.pick(transform) {
+                        trace!("change direction for {:?} to {:?}", event.0, new_direction);
                         *direction = new_direction;
                     }
                 }
             },
         )
-        .observe(|event: On<GridBarier>| {
-            trace!("second observer working");
-        });
+        .observe(
+            |event: On<GridBarier>,
+             query: Query<(Entity, &Transform), With<End>>,
+             mut snake_path: ResMut<SnakePath>| {
+                if let Ok((entity, transform)) = query.get(event.0) {
+                    if let Some(removed) = snake_path.pop(transform) {
+                        trace!(
+                            "removed direction {:?} from snake_path by End entity {:?}",
+                            removed, entity
+                        );
+                    }
+                }
+            },
+        );
 }
 
 /// Создать координатную сетку