fix: simplify and order priorities

lib/game/components/board.dart

@@ -8,7 +8,7 @@ import 'package:pinball_components/pinball_components.dart';
 class Board extends Component {
   /// {@macro board}
   // TODO(alestiago): Make Board a Blueprint and sort out priorities.
-  Board() : super(priority: 5);
+  Board() : super(priority: 1);
 
   @override
   Future<void> onLoad() async {

lib/game/components/plunger.dart

@@ -15,7 +15,6 @@ class Plunger extends BodyComponent with KeyboardHandler, InitialPosition {
   Plunger({
     required this.compressionDistance,
   }) : super(
-          priority: 5,
           // TODO(allisonryan0002): remove paint after asset is added.
           paint: Paint()..color = const Color.fromARGB(255, 241, 8, 8),
         );

lib/game/pinball_game.dart

@@ -32,11 +32,13 @@ class PinballGame extends Forge2DGame
     _addContactCallbacks();
 
     await _addGameBoundaries();
-    unawaited(add(Board()));
     unawaited(addFromBlueprint(Boundaries()));
+    unawaited(addFromBlueprint(LaunchRamp()));
     unawaited(_addPlunger());
+    unawaited(add(Board()));
+    unawaited(addFromBlueprint(DinoWalls()));
     unawaited(_addBonusWord());
-    unawaited(_addRamps());
+    unawaited(addFromBlueprint(SpaceshipRamp()));
     unawaited(
       addFromBlueprint(
         Spaceship(
@@ -65,13 +67,6 @@ class PinballGame extends Forge2DGame
   Future<void> _addGameBoundaries() async {
     await add(BottomWall());
     createBoundaries(this).forEach(add);
-    unawaited(
-      addFromBlueprint(
-        DinoWalls(
-          position: Vector2(-2.4, 0),
-        ),
-      ),
-    );
   }
 
   Future<void> _addPlunger() async {
@@ -92,11 +87,6 @@ class PinballGame extends Forge2DGame
     );
   }
 
-  Future<void> _addRamps() async {
-    unawaited(addFromBlueprint(SpaceshipRamp()));
-    unawaited(addFromBlueprint(LaunchRamp()));
-  }
-
   void spawnBall() {
     final ball = ControlledBall.launch(
       theme: theme,

packages/pinball_components/lib/src/components/dino_walls.dart

@@ -12,16 +12,13 @@ import 'package:pinball_components/pinball_components.dart' hide Assets;
 /// {@endtemplate}
 class DinoWalls extends Forge2DBlueprint {
   /// {@macro dinowalls}
-  DinoWalls({required this.position});
-
-  /// The [position] where the elements will be created
-  final Vector2 position;
+  DinoWalls();
 
   @override
   void build(_) {
     addAll([
-      _DinoTopWall()..initialPosition = position,
-      _DinoBottomWall()..initialPosition = position,
+      _DinoTopWall(),
+      _DinoBottomWall(),
     ]);
   }
 }
@@ -31,7 +28,7 @@ class DinoWalls extends Forge2DBlueprint {
 /// {@endtemplate}
 class _DinoTopWall extends BodyComponent with InitialPosition {
   ///{@macro dino_top_wall}
-  _DinoTopWall() : super(priority: 2);
+  _DinoTopWall() : super(priority: 1);
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDef = <FixtureDef>[];
@@ -129,7 +126,7 @@ class _DinoTopWall extends BodyComponent with InitialPosition {
 /// {@endtemplate}
 class _DinoBottomWall extends BodyComponent with InitialPosition {
   ///{@macro dino_top_wall}
-  _DinoBottomWall() : super(priority: 2);
+  _DinoBottomWall() : super(priority: 1);
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDef = <FixtureDef>[];

packages/pinball_components/lib/src/components/launch_ramp.dart

@@ -142,7 +142,7 @@ class _LaunchRampBase extends BodyComponent with InitialPosition, Layered {
 class _LaunchRampForegroundRailing extends BodyComponent
     with InitialPosition, Layered {
   /// {@macro launch_ramp_foreground_railing}
-  _LaunchRampForegroundRailing() : super(priority: 4) {
+  _LaunchRampForegroundRailing() : super(priority: 1) {
     layer = Layer.launcher;
   }
 
@@ -207,7 +207,6 @@ class _LaunchRampForegroundRailing extends BodyComponent
         size: sprite.originalSize / 10,
         anchor: Anchor.center,
         position: Vector2(22.8, 0),
-        priority: 4,
       ),
     );
   }