feat: highlight selected crate

src/main.rs

@@ -77,8 +77,7 @@ fn main() {
             setup_hud,
             setup_level,
         ),
-    )
-    .add_systems(PostStartup, spawn_board);
+    );
 
     app.add_systems(
         Update,

src/systems/auto_crate_push.rs

@@ -9,6 +9,7 @@ pub fn spawn_crate_pushable_marks(
     mut commands: Commands,
     mut auto_crate_push_state: ResMut<AutoCratePushState>,
     board: Query<&Board>,
+    mut crates: Query<(&GridPosition, &mut TextureAtlasSprite), With<Crate>>,
     mut next_state: ResMut<NextState<AppState>>,
 ) {
     let crate_position = &auto_crate_push_state.selected_crate;
@@ -41,12 +42,25 @@ pub fn spawn_crate_pushable_marks(
         return;
     }
 
+    // highlight selected crate
+    crates
+        .iter_mut()
+        .filter(|(grid_position, _)| ***grid_position == *crate_position)
+        .for_each(|(_, mut sprite)| sprite.color = Color::GREEN);
+
     auto_crate_push_state.paths = paths;
 }
 
 pub fn despawn_crate_pushable_marks(
     mut commands: Commands,
+    mut crates: Query<(&GridPosition, &mut TextureAtlasSprite), With<Crate>>,
     marks: Query<Entity, With<CratePushableMark>>,
+    auto_crate_push_state: Res<AutoCratePushState>,
 ) {
+    crates
+        .iter_mut()
+        .filter(|(grid_position, _)| ***grid_position == auto_crate_push_state.selected_crate)
+        .for_each(|(_, mut sprite)| sprite.color = Color::WHITE);
+
     marks.for_each(|entity| commands.entity(entity).despawn());
 }