feat: pr suggestions

lib/game/components/spaceship.dart

@@ -297,7 +297,7 @@ class SpaceshipWall extends BodyComponent with InitialPosition {
 class SpaceshipEntranceBallContactCallback
     extends ContactCallback<SpaceshipEntrance, Ball> {
   @override
-  void begin(SpaceshipEntrance entrance, Ball ball, Contact contact) {
+  void begin(SpaceshipEntrance entrance, Ball ball, _) {
     ball
       ..priority = 3
       ..gameRef.reorderChildren();
@@ -318,9 +318,10 @@ class SpaceshipEntranceBallContactCallback
 class SpaceshipHoleBallContactCallback
     extends ContactCallback<SpaceshipHole, Ball> {
   @override
-  void begin(SpaceshipHole hole, Ball ball, Contact contact) {
-    ball.priority = 1;
-    ball.gameRef.reorderChildren();
+  void begin(SpaceshipHole hole, Ball ball, _) {
+    ball
+      ..priority = 1
+      ..gameRef.reorderChildren();
 
     for (final fixture in ball.body.fixtures) {
       fixture.filterData.categoryBits = 0xFFFF;

lib/game/pinball_game.dart

@@ -82,28 +82,16 @@ class PinballGame extends Forge2DGame
 
   Future<void> _addSpaceship() async {
     final position = Vector2(20, -24);
-    unawaited(add(SpaceshipSaucer()..initialPosition = position));
-    unawaited(add(SpaceshipEntrance()..initialPosition = position));
-    unawaited(add(SpaceshipBridge()..initialPosition = position));
-    unawaited(
-      add(
+    await addAll(
+      [
+        SpaceshipSaucer()..initialPosition = position,
+        SpaceshipEntrance()..initialPosition = position,
+        SpaceshipBridge()..initialPosition = position,
         SpaceshipBridgeTop()..initialPosition = position + Vector2(0, 5.5),
-      ),
-    );
-
-    unawaited(
-      add(
         SpaceshipHole()..initialPosition = position - Vector2(5, 4),
-      ),
-    );
-    unawaited(
-      add(
         SpaceshipHole()..initialPosition = position - Vector2(-5, 4),
-      ),
-    );
-
-    unawaited(
-      add(SpaceshipWall()..initialPosition = position),
+        SpaceshipWall()..initialPosition = position,
+      ],
     );
   }