Merge branch 'main' into feat/incldue-public-member-api-docs

.github/workflows/pinball_theme.yaml

@@ -0,0 +1,18 @@
+name: pinball_theme
+
+on:
+  push:
+    paths:
+      - "packages/pinball_theme/**"
+      - ".github/workflows/pinball_theme.yaml"
+
+  pull_request:
+    paths:
+      - "packages/pinball_theme/**"
+      - ".github/workflows/pinball_theme.yaml"
+
+jobs:
+  build:
+    uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/flutter_package.yml@v1
+    with:
+      working_directory: packages/pinball_theme

.gitignore

@@ -125,3 +125,5 @@ app.*.map.json
 !.idea/codeStyles/
 !.idea/dictionaries/
 !.idea/runConfigurations/
+
+.firebase

README.md

@@ -154,6 +154,33 @@ Update the `CFBundleLocalizations` array in the `Info.plist` at `ios/Runner/Info
 }
 ```
 
+### Deploy application to Firebase hosting
+
+Follow the following steps to deploy the application.
+
+## Firebase CLI
+
+Install and authenticate with [Firebase CLI tools](https://firebase.google.com/docs/cli)
+
+## Build the project using the desired environment
+
+```bash
+# Development
+$ flutter build web --release --target lib/main_development.dart
+
+# Staging
+$ flutter build web --release --target lib/main_staging.dart
+
+# Production
+$ flutter build web --release --target lib/main_production.dart
+```
+
+## Deploy
+
+```bash
+$ firebase deploy
+```
+
 [coverage_badge]: coverage_badge.svg
 [flutter_localizations_link]: https://api.flutter.dev/flutter/flutter_localizations/flutter_localizations-library.html
 [internationalization_link]: https://flutter.dev/docs/development/accessibility-and-localization/internationalization

firebase.json

@@ -0,0 +1,11 @@
+{
+  "hosting": {
+    "public": "build/web",
+    "site": "ashehwkdkdjruejdnensjsjdne",
+    "ignore": [
+      "firebase.json",
+      "**/.*",
+      "**/node_modules/**"
+    ]
+  }
+}

lib/game/bloc/game_bloc.dart

@@ -11,6 +11,7 @@ class GameBloc extends Bloc<GameEvent, GameState> {
   GameBloc() : super(const GameState.initial()) {
     on<BallLost>(_onBallLost);
     on<Scored>(_onScored);
+    on<BonusLetterActivated>(_onBonusLetterActivated);
   }
 
   void _onBallLost(BallLost event, Emitter emit) {
@@ -24,4 +25,15 @@ class GameBloc extends Bloc<GameEvent, GameState> {
       emit(state.copyWith(score: state.score + event.points));
     }
   }
+
+  void _onBonusLetterActivated(BonusLetterActivated event, Emitter emit) {
+    emit(
+      state.copyWith(
+        bonusLetters: [
+          ...state.bonusLetters,
+          event.letter,
+        ],
+      ),
+    );
+  }
 }

lib/game/bloc/game_event.dart

@@ -32,3 +32,12 @@ class Scored extends GameEvent {
   @override
   List<Object?> get props => [points];
 }
+
+class BonusLetterActivated extends GameEvent {
+  const BonusLetterActivated(this.letter);
+
+  final String letter;
+
+  @override
+  List<Object?> get props => [letter];
+}

lib/game/bloc/game_state.dart

@@ -10,12 +10,14 @@ class GameState extends Equatable {
   const GameState({
     required this.score,
     required this.balls,
+    required this.bonusLetters,
   })  : assert(score >= 0, "Score can't be negative"),
         assert(balls >= 0, "Number of balls can't be negative");
 
   const GameState.initial()
       : score = 0,
-        balls = 3;
+        balls = 3,
+        bonusLetters = const [];
 
   /// The current score of the game.
   final int score;
@@ -25,12 +27,19 @@ class GameState extends Equatable {
   /// When the number of balls is 0, the game is over.
   final int balls;
 
+  /// Active bonus letters.
+  final List<String> bonusLetters;
+
   /// Determines when the game is over.
   bool get isGameOver => balls == 0;
 
+  /// Determines when the player has only one ball left.
+  bool get isLastBall => balls == 1;
+
   GameState copyWith({
     int? score,
     int? balls,
+    List<String>? bonusLetters,
   }) {
     assert(
       score == null || score >= this.score,
@@ -40,6 +49,7 @@ class GameState extends Equatable {
     return GameState(
       score: score ?? this.score,
       balls: balls ?? this.balls,
+      bonusLetters: bonusLetters ?? this.bonusLetters,
     );
   }
 
@@ -47,5 +57,6 @@ class GameState extends Equatable {
   List<Object?> get props => [
         score,
         balls,
+        bonusLetters,
       ];
 }

lib/game/components/anchor.dart

@@ -0,0 +1,32 @@
+import 'package:flame_forge2d/flame_forge2d.dart';
+
+/// {@template anchor}
+/// Non visual [BodyComponent] used to hold a [BodyType.dynamic] in [Joint]s
+/// with this [BodyType.static].
+///
+/// It is recommended to [_position] the anchor first and then use the body
+/// position as the anchor point when initializing a [JointDef].
+///
+/// ```dart
+/// initialize(
+///   dynamicBody.body,
+///   anchor.body,
+///   anchor.body.position,
+/// );
+/// ```
+/// {@endtemplate}
+class Anchor extends BodyComponent {
+  /// {@macro anchor}
+  Anchor({
+    required Vector2 position,
+  }) : _position = position;
+
+  final Vector2 _position;
+
+  @override
+  Body createBody() {
+    final bodyDef = BodyDef()..position = _position;
+
+    return world.createBody(bodyDef);
+  }
+}

lib/game/components/ball.dart

@@ -1,28 +1,36 @@
+import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
-import 'package:flame_forge2d/body_component.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
-import 'package:flutter/material.dart';
-import 'package:forge2d/forge2d.dart';
 import 'package:pinball/game/game.dart';
 
 /// {@template ball}
 /// A solid, [BodyType.dynamic] sphere that rolls and bounces along the
 /// [PinballGame].
 /// {@endtemplate}
-class Ball extends BodyComponent<PinballGame>
+class Ball extends PositionBodyComponent<PinballGame, SpriteComponent>
     with BlocComponent<GameBloc, GameState> {
   /// {@macro ball}
   Ball({
     required Vector2 position,
-  }) : _position = position {
+  })  : _position = position,
-    // TODO(alestiago): Use asset instead of color when provided.
+        super(size: ballSize);
-    paint = Paint()..color = const Color(0xFFFFFFFF);
+
-  }
+  static final ballSize = Vector2.all(2);
 
   final Vector2 _position;
 
+  static const spritePath = 'components/ball.png';
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = await gameRef.loadSprite(spritePath);
+    positionComponent = SpriteComponent(sprite: sprite, size: ballSize);
+  }
+
   @override
   Body createBody() {
-    final shape = CircleShape()..radius = 2;
+    final shape = CircleShape()..radius = ballSize.x / 2;
 
     final fixtureDef = FixtureDef(shape)..density = 1;
 
@@ -33,4 +41,15 @@ class Ball extends BodyComponent<PinballGame>
 
     return world.createBody(bodyDef)..createFixture(fixtureDef);
   }
+
+  void lost() {
+    shouldRemove = true;
+
+    final bloc = gameRef.read<GameBloc>()..add(const BallLost());
+
+    final shouldBallRespwan = !bloc.state.isLastBall;
+    if (shouldBallRespwan) {
+      gameRef.spawnBall();
+    }
+  }
 }

lib/game/components/components.dart

@@ -1,2 +1,5 @@
+export 'anchor.dart';
 export 'ball.dart';
+export 'plunger.dart';
 export 'score_points.dart';
+export 'wall.dart';

lib/game/components/plunger.dart

@@ -0,0 +1,72 @@
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball/game/game.dart';
+
+/// {@template plunger}
+/// [Plunger] serves as a spring, that shoots the ball on the right side of the
+/// playfield.
+///
+/// [Plunger] ignores gravity so the player controls its downward [pull].
+/// {@endtemplate}
+class Plunger extends BodyComponent {
+  /// {@macro plunger}
+  Plunger({required Vector2 position}) : _position = position;
+
+  final Vector2 _position;
+
+  @override
+  Body createBody() {
+    final shape = PolygonShape()..setAsBoxXY(2.5, 1.5);
+
+    final fixtureDef = FixtureDef(shape);
+
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = _position
+      ..type = BodyType.dynamic
+      ..gravityScale = 0;
+
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
+
+  /// Set a constant downward velocity on the [Plunger].
+  void pull() {
+    body.linearVelocity = Vector2(0, -7);
+  }
+
+  /// Set an upward velocity on the [Plunger].
+  ///
+  /// The velocity's magnitude depends on how far the [Plunger] has been pulled
+  /// from its original [_position].
+  void release() {
+    final velocity = (_position.y - body.position.y) * 9;
+    body.linearVelocity = Vector2(0, velocity);
+  }
+}
+
+/// {@template plunger_anchor_prismatic_joint_def}
+/// [PrismaticJointDef] between a [Plunger] and an [Anchor] with motion on
+/// the vertical axis.
+///
+/// The [Plunger] is constrained vertically between its starting position and
+/// the [Anchor]. The [Anchor] must be below the [Plunger].
+/// {@endtemplate}
+class PlungerAnchorPrismaticJointDef extends PrismaticJointDef {
+  /// {@macro plunger_anchor_prismatic_joint_def}
+  PlungerAnchorPrismaticJointDef({
+    required Plunger plunger,
+    required Anchor anchor,
+  }) : assert(
+          anchor.body.position.y < plunger.body.position.y,
+          'Anchor must be below the Plunger',
+        ) {
+    initialize(
+      plunger.body,
+      anchor.body,
+      anchor.body.position,
+      Vector2(0, -1),
+    );
+    enableLimit = true;
+    lowerTranslation = double.negativeInfinity;
+    collideConnected = true;
+  }
+}

lib/game/components/wall.dart

@@ -0,0 +1,63 @@
+// ignore_for_file: avoid_renaming_method_parameters
+
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball/game/components/components.dart';
+
+/// {@template wall}
+/// A continuos generic and [BodyType.static] barrier that divides a game area.
+/// {@endtemplate}
+class Wall extends BodyComponent {
+  Wall({
+    required this.start,
+    required this.end,
+  });
+
+  final Vector2 start;
+  final Vector2 end;
+
+  @override
+  Body createBody() {
+    final shape = EdgeShape()..set(start, end);
+
+    final fixtureDef = FixtureDef(shape)
+      ..restitution = 0.0
+      ..friction = 0.3;
+
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = Vector2.zero()
+      ..type = BodyType.static;
+
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
+}
+
+/// {@template bottom_wall}
+/// [Wall] located at the bottom of the board.
+///
+/// Collisions with [BottomWall] are listened by
+/// [BottomWallBallContactCallback].
+/// {@endtemplate}
+class BottomWall extends Wall {
+  BottomWall(Forge2DGame game)
+      : super(
+          start: game.screenToWorld(game.camera.viewport.effectiveSize),
+          end: Vector2(
+            0,
+            game.screenToWorld(game.camera.viewport.effectiveSize).y,
+          ),
+        );
+}
+
+/// {@template bottom_wall_ball_contact_callback}
+/// Listens when a [Ball] falls into a [BottomWall].
+/// {@endtemplate}
+class BottomWallBallContactCallback extends ContactCallback<Ball, BottomWall> {
+  @override
+  void begin(Ball ball, BottomWall wall, Contact contact) {
+    ball.lost();
+  }
+
+  @override
+  void end(_, __, ___) {}
+}

lib/game/game.dart

@@ -1,4 +1,5 @@
 export 'bloc/game_bloc.dart';
 export 'components/components.dart';
+export 'game_assets.dart';
 export 'pinball_game.dart';
-export 'view/pinball_game_page.dart';
+export 'view/view.dart';

lib/game/game_assets.dart

@@ -0,0 +1,11 @@
+import 'package:pinball/game/game.dart';
+
+/// Add methods to help loading and caching game assets.
+extension PinballGameAssetsX on PinballGame {
+  /// Pre load the initial assets of the game.
+  Future<void> preLoadAssets() async {
+    await Future.wait([
+      images.load(Ball.spritePath),
+    ]);
+  }
+}

lib/game/pinball_game.dart

@@ -1,12 +1,38 @@
 // ignore_for_file: public_member_api_docs
 
+import 'dart:async';
+
 import 'package:flame_bloc/flame_bloc.dart';
-import 'package:flame_forge2d/forge2d_game.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:pinball/game/game.dart';
 
 class PinballGame extends Forge2DGame with FlameBloc {
+  void spawnBall() {
+    add(
+      Ball(position: ballStartingPosition),
+    );
+  }
+
+  // TODO(erickzanardo): Change to the plumber position
+  late final ballStartingPosition = screenToWorld(
+        Vector2(
+          camera.viewport.effectiveSize.x / 2,
+          camera.viewport.effectiveSize.y - 20,
+        ),
+      ) -
+      Vector2(0, -20);
+
   @override
   Future<void> onLoad() async {
     addContactCallback(BallScorePointsCallback());
+
+    await add(BottomWall(this));
+    addContactCallback(BottomWallBallContactCallback());
+  }
+
+  @override
+  void onAttach() {
+    super.onAttach();
+    spawnBall();
   }
 }

lib/game/view/game_hud.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pinball/game/game.dart';
+
+/// {@template game_hud}
+/// Overlay of a [PinballGame] that displays the current [GameState.score] and
+/// [GameState.balls].
+/// {@endtemplate}
+class GameHud extends StatelessWidget {
+  /// {@macro game_hud}
+  const GameHud({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final state = context.watch<GameBloc>().state;
+
+    return Container(
+      color: Colors.redAccent,
+      width: 200,
+      height: 100,
+      padding: const EdgeInsets.all(16),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.spaceBetween,
+        children: [
+          Text(
+            '${state.score}',
+            style: Theme.of(context).textTheme.headline3,
+          ),
+          Wrap(
+            direction: Axis.vertical,
+            children: [
+              for (var i = 0; i < state.balls; i++)
+                const Padding(
+                  padding: EdgeInsets.only(top: 6, right: 6),
+                  child: CircleAvatar(
+                    radius: 8,
+                    backgroundColor: Colors.black,
+                  ),
+                ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/game/view/pinball_game_page.dart

@@ -2,17 +2,74 @@
 
 import 'package:flame/game.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:pinball/game/game.dart';
 
 class PinballGamePage extends StatelessWidget {
   const PinballGamePage({Key? key}) : super(key: key);
 
   static Route route() {
-    return MaterialPageRoute<void>(builder: (_) => const PinballGamePage());
+    return MaterialPageRoute<void>(
+      builder: (_) {
+        return BlocProvider(
+          create: (_) => GameBloc(),
+          child: const PinballGamePage(),
+        );
+      },
+    );
   }
 
   @override
   Widget build(BuildContext context) {
-    return GameWidget(game: PinballGame());
+    return const PinballGameView();
+  }
+}
+
+class PinballGameView extends StatefulWidget {
+  const PinballGameView({Key? key}) : super(key: key);
+
+  @override
+  State<PinballGameView> createState() => _PinballGameViewState();
+}
+
+class _PinballGameViewState extends State<PinballGameView> {
+  late PinballGame _game;
+
+  @override
+  void initState() {
+    super.initState();
+
+    // TODO(erickzanardo): Revisit this when we start to have more assets
+    // this could expose a Stream (maybe even a cubit?) so we could show the
+    // the loading progress with some fancy widgets.
+    _game = PinballGame()..preLoadAssets();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocListener<GameBloc, GameState>(
+      listener: (context, state) {
+        if (state.isGameOver) {
+          showDialog<void>(
+            context: context,
+            builder: (_) {
+              return const GameOverDialog();
+            },
+          );
+        }
+      },
+      child: Stack(
+        children: [
+          Positioned.fill(
+            child: GameWidget<PinballGame>(game: _game),
+          ),
+          const Positioned(
+            top: 8,
+            left: 8,
+            child: GameHud(),
+          ),
+        ],
+      ),
+    );
   }
 }

lib/game/view/view.dart

@@ -0,0 +1,3 @@
+export 'game_hud.dart';
+export 'pinball_game_page.dart';
+export 'widgets/widgets.dart';

lib/game/view/widgets/game_over_dialog.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+class GameOverDialog extends StatelessWidget {
+  const GameOverDialog({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return const Dialog(
+      child: SizedBox(
+        width: 200,
+        height: 200,
+        child: Center(
+          child: Text('Game Over'),
+        ),
+      ),
+    );
+  }
+}

lib/game/view/widgets/widgets.dart

@@ -0,0 +1 @@
+export 'game_over_dialog.dart';

lib/theme/cubit/theme_cubit.dart

@@ -0,0 +1,13 @@
+import 'package:bloc/bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+part 'theme_state.dart';
+
+class ThemeCubit extends Cubit<ThemeState> {
+  ThemeCubit() : super(const ThemeState.initial());
+
+  void characterSelected(CharacterTheme characterTheme) {
+    emit(ThemeState(PinballTheme(characterTheme: characterTheme)));
+  }
+}

lib/theme/cubit/theme_state.dart

@@ -0,0 +1,13 @@
+part of 'theme_cubit.dart';
+
+class ThemeState extends Equatable {
+  const ThemeState(this.theme);
+
+  const ThemeState.initial()
+      : theme = const PinballTheme(characterTheme: DashTheme());
+
+  final PinballTheme theme;
+
+  @override
+  List<Object> get props => [theme];
+}

lib/theme/theme.dart

@@ -0,0 +1 @@
+export 'cubit/theme_cubit.dart';

packages/pinball_theme/.gitignore

@@ -0,0 +1,39 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# VSCode related
+.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json

packages/pinball_theme/README.md

@@ -0,0 +1,11 @@
+# pinball_theme
+
+[![style: very good analysis][very_good_analysis_badge]][very_good_analysis_link]
+[![License: MIT][license_badge]][license_link]
+
+Package containing themes for pinball game.
+
+[license_badge]: https://img.shields.io/badge/license-MIT-blue.svg
+[license_link]: https://opensource.org/licenses/MIT
+[very_good_analysis_badge]: https://img.shields.io/badge/style-very_good_analysis-B22C89.svg
+[very_good_analysis_link]: https://pub.dev/packages/very_good_analysis

packages/pinball_theme/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:very_good_analysis/analysis_options.2.4.0.yaml

packages/pinball_theme/lib/pinball_theme.dart

@@ -0,0 +1,4 @@
+library pinball_theme;
+
+export 'src/pinball_theme.dart';
+export 'src/themes/themes.dart';

packages/pinball_theme/lib/src/pinball_theme.dart

@@ -0,0 +1,23 @@
+import 'package:equatable/equatable.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+/// {@template pinball_theme}
+/// Defines all theme assets and attributes.
+///
+/// Game components should have a getter specified here to load their
+/// corresponding assets for the game.
+/// {@endtemplate}
+class PinballTheme extends Equatable {
+  /// {@macro pinball_theme}
+  const PinballTheme({
+    required CharacterTheme characterTheme,
+  }) : _characterTheme = characterTheme;
+
+  final CharacterTheme _characterTheme;
+
+  /// [CharacterTheme] for the chosen character.
+  CharacterTheme get characterTheme => _characterTheme;
+
+  @override
+  List<Object?> get props => [_characterTheme];
+}

packages/pinball_theme/lib/src/themes/android_theme.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+/// {@template android_theme}
+/// Defines Android character theme assets and attributes.
+/// {@endtemplate}
+class AndroidTheme extends CharacterTheme {
+  /// {@macro android_theme}
+  const AndroidTheme();
+
+  @override
+  Color get ballColor => Colors.green;
+}

packages/pinball_theme/lib/src/themes/character_theme.dart

@@ -0,0 +1,19 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter/material.dart';
+
+/// {@template character_theme}
+/// Base class for creating character themes.
+///
+/// Character specific game components should have a getter specified here to
+/// load their corresponding assets for the game.
+/// {@endtemplate}
+abstract class CharacterTheme extends Equatable {
+  /// {@macro character_theme}
+  const CharacterTheme();
+
+  /// Ball color for this theme.
+  Color get ballColor;
+
+  @override
+  List<Object?> get props => [ballColor];
+}

packages/pinball_theme/lib/src/themes/dash_theme.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+/// {@template dash_theme}
+/// Defines Dash character theme assets and attributes.
+/// {@endtemplate}
+class DashTheme extends CharacterTheme {
+  /// {@macro dash_theme}
+  const DashTheme();
+
+  @override
+  Color get ballColor => Colors.blue;
+}

packages/pinball_theme/lib/src/themes/dino_theme.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+/// {@template dino_theme}
+/// Defines Dino character theme assets and attributes.
+/// {@endtemplate}
+class DinoTheme extends CharacterTheme {
+  /// {@macro dino_theme}
+  const DinoTheme();
+
+  @override
+  Color get ballColor => Colors.grey;
+}

packages/pinball_theme/lib/src/themes/sparky_theme.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+/// {@template sparky_theme}
+/// Defines Sparky character theme assets and attributes.
+/// {@endtemplate}
+class SparkyTheme extends CharacterTheme {
+  /// {@macro sparky_theme}
+  const SparkyTheme();
+
+  @override
+  Color get ballColor => Colors.orange;
+}

packages/pinball_theme/lib/src/themes/themes.dart

@@ -0,0 +1,5 @@
+export 'android_theme.dart';
+export 'character_theme.dart';
+export 'dash_theme.dart';
+export 'dino_theme.dart';
+export 'sparky_theme.dart';

packages/pinball_theme/pubspec.yaml

@@ -0,0 +1,17 @@
+name: pinball_theme
+description: Package containing themes for pinball game.
+version: 1.0.0+1
+publish_to: none
+
+environment:
+  sdk: ">=2.16.0 <3.0.0"
+
+dependencies:
+  equatable: ^2.0.3
+  flutter:
+    sdk: flutter
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  very_good_analysis: ^2.4.0

packages/pinball_theme/test/src/pinball_theme_test.dart

@@ -0,0 +1,28 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('PinballTheme', () {
+    const characterTheme = SparkyTheme();
+
+    test('can be instantiated', () {
+      expect(PinballTheme(characterTheme: characterTheme), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(
+        PinballTheme(characterTheme: characterTheme),
+        equals(PinballTheme(characterTheme: characterTheme)),
+      );
+    });
+
+    test('characterTheme is correct', () {
+      expect(
+        PinballTheme(characterTheme: characterTheme).characterTheme,
+        equals(characterTheme),
+      );
+    });
+  });
+}

packages/pinball_theme/test/src/themes/android_theme_test.dart

@@ -0,0 +1,21 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('AndroidTheme', () {
+    test('can be instantiated', () {
+      expect(AndroidTheme(), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(AndroidTheme(), equals(AndroidTheme()));
+    });
+
+    test('ballColor is correct', () {
+      expect(AndroidTheme().ballColor, equals(Colors.green));
+    });
+  });
+}

packages/pinball_theme/test/src/themes/dash_theme_test.dart

@@ -0,0 +1,21 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('DashTheme', () {
+    test('can be instantiated', () {
+      expect(DashTheme(), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(DashTheme(), equals(DashTheme()));
+    });
+
+    test('ballColor is correct', () {
+      expect(DashTheme().ballColor, equals(Colors.blue));
+    });
+  });
+}

packages/pinball_theme/test/src/themes/dino_theme_test.dart

@@ -0,0 +1,21 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('DinoTheme', () {
+    test('can be instantiated', () {
+      expect(DinoTheme(), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(DinoTheme(), equals(DinoTheme()));
+    });
+
+    test('ballColor is correct', () {
+      expect(DinoTheme().ballColor, equals(Colors.grey));
+    });
+  });
+}

packages/pinball_theme/test/src/themes/sparky_theme_test.dart

@@ -0,0 +1,21 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('SparkyTheme', () {
+    test('can be instantiated', () {
+      expect(SparkyTheme(), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(SparkyTheme(), equals(SparkyTheme()));
+    });
+
+    test('ballColor is correct', () {
+      expect(SparkyTheme().ballColor, equals(Colors.orange));
+    });
+  });
+}

pubspec.lock

@@ -140,21 +140,21 @@ packages:
       name: flame
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0-releasecandidate.1"
+    version: "1.1.0-releasecandidate.2"
   flame_bloc:
     dependency: "direct main"
     description:
       name: flame_bloc
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-releasecandidate.1"
+    version: "1.2.0-releasecandidate.2"
   flame_forge2d:
     dependency: "direct main"
     description:
       name: flame_forge2d
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.0-releasecandidate.1"
+    version: "0.9.0-releasecandidate.2"
   flame_test:
     dependency: "direct dev"
     description:
@@ -324,6 +324,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  pinball_theme:
+    dependency: "direct main"
+    description:
+      path: "packages/pinball_theme"
+      relative: true
+    source: path
+    version: "1.0.0+1"
   pool:
     dependency: transitive
     description:

pubspec.yaml

@@ -9,15 +9,17 @@ environment:
 dependencies:
   bloc: ^8.0.2
   equatable: ^2.0.3
-  flame: ^1.1.0-releasecandidate.1
+  flame: ^1.1.0-releasecandidate.2
-  flame_bloc: ^1.2.0-releasecandidate.1
+  flame_bloc: ^1.2.0-releasecandidate.2
-  flame_forge2d: ^0.9.0-releasecandidate.1
+  flame_forge2d: ^0.9.0-releasecandidate.2
   flutter:
     sdk: flutter
   flutter_bloc: ^8.0.1
   flutter_localizations:
     sdk: flutter
   intl: ^0.17.0
+  pinball_theme:
+    path: packages/pinball_theme
 
 dev_dependencies:
   bloc_test: ^9.0.2
@@ -31,3 +33,6 @@ dev_dependencies:
 flutter:
   uses-material-design: true
   generate: true
+
+  assets:
+    - assets/images/components/

test/game/bloc/game_bloc_test.dart

@@ -21,9 +21,9 @@ void main() {
           }
         },
         expect: () => [
-          const GameState(score: 0, balls: 2),
+          const GameState(score: 0, balls: 2, bonusLetters: []),
-          const GameState(score: 0, balls: 1),
+          const GameState(score: 0, balls: 1, bonusLetters: []),
-          const GameState(score: 0, balls: 0),
+          const GameState(score: 0, balls: 0, bonusLetters: []),
         ],
       );
     });
@@ -37,8 +37,8 @@ void main() {
           ..add(const Scored(points: 2))
           ..add(const Scored(points: 3)),
         expect: () => [
-          const GameState(score: 2, balls: 3),
+          const GameState(score: 2, balls: 3, bonusLetters: []),
-          const GameState(score: 5, balls: 3),
+          const GameState(score: 5, balls: 3, bonusLetters: []),
         ],
       );
 
@@ -53,9 +53,55 @@ void main() {
           bloc.add(const Scored(points: 2));
         },
         expect: () => [
-          const GameState(score: 0, balls: 2),
+          const GameState(score: 0, balls: 2, bonusLetters: []),
-          const GameState(score: 0, balls: 1),
+          const GameState(score: 0, balls: 1, bonusLetters: []),
-          const GameState(score: 0, balls: 0),
+          const GameState(score: 0, balls: 0, bonusLetters: []),
+        ],
+      );
+    });
+
+    group('BonusLetterActivated', () {
+      blocTest<GameBloc, GameState>(
+        'adds the letter to the state',
+        build: GameBloc.new,
+        act: (bloc) => bloc
+          ..add(const BonusLetterActivated('G'))
+          ..add(const BonusLetterActivated('O'))
+          ..add(const BonusLetterActivated('O'))
+          ..add(const BonusLetterActivated('G'))
+          ..add(const BonusLetterActivated('L'))
+          ..add(const BonusLetterActivated('E')),
+        expect: () => [
+          const GameState(
+            score: 0,
+            balls: 3,
+            bonusLetters: ['G'],
+          ),
+          const GameState(
+            score: 0,
+            balls: 3,
+            bonusLetters: ['G', 'O'],
+          ),
+          const GameState(
+            score: 0,
+            balls: 3,
+            bonusLetters: ['G', 'O', 'O'],
+          ),
+          const GameState(
+            score: 0,
+            balls: 3,
+            bonusLetters: ['G', 'O', 'O', 'G'],
+          ),
+          const GameState(
+            score: 0,
+            balls: 3,
+            bonusLetters: ['G', 'O', 'O', 'G', 'L'],
+          ),
+          const GameState(
+            score: 0,
+            balls: 3,
+            bonusLetters: ['G', 'O', 'O', 'G', 'L', 'E'],
+          ),
         ],
       );
     });

test/game/bloc/game_event_test.dart

@@ -40,5 +40,22 @@ void main() {
         expect(() => Scored(points: 0), throwsAssertionError);
       });
     });
+
+    group('BonusLetterActivated', () {
+      test('can be instantiated', () {
+        expect(const BonusLetterActivated('A'), isNotNull);
+      });
+
+      test('supports value equality', () {
+        expect(
+          BonusLetterActivated('A'),
+          equals(BonusLetterActivated('A')),
+        );
+        expect(
+          BonusLetterActivated('B'),
+          isNot(equals(BonusLetterActivated('A'))),
+        );
+      });
+    });
   });
 }

test/game/bloc/game_state_test.dart

@@ -7,14 +7,27 @@ void main() {
   group('GameState', () {
     test('supports value equality', () {
       expect(
-        GameState(score: 0, balls: 0),
+        GameState(
-        equals(const GameState(score: 0, balls: 0)),
+          score: 0,
+          balls: 0,
+          bonusLetters: const [],
+        ),
+        equals(
+          const GameState(
+            score: 0,
+            balls: 0,
+            bonusLetters: [],
+          ),
+        ),
       );
     });
 
     group('constructor', () {
       test('can be instantiated', () {
-        expect(const GameState(score: 0, balls: 0), isNotNull);
+        expect(
+          const GameState(score: 0, balls: 0, bonusLetters: []),
+          isNotNull,
+        );
       });
     });
 
@@ -23,7 +36,7 @@ void main() {
       'when balls are negative',
       () {
         expect(
-          () => GameState(balls: -1, score: 0),
+          () => GameState(balls: -1, score: 0, bonusLetters: const []),
           throwsAssertionError,
         );
       },
@@ -34,7 +47,7 @@ void main() {
       'when score is negative',
       () {
         expect(
-          () => GameState(balls: 0, score: -1),
+          () => GameState(balls: 0, score: -1, bonusLetters: const []),
           throwsAssertionError,
         );
       },
@@ -47,6 +60,7 @@ void main() {
         const gameState = GameState(
           balls: 0,
           score: 0,
+          bonusLetters: [],
         );
         expect(gameState.isGameOver, isTrue);
       });
@@ -57,11 +71,40 @@ void main() {
         const gameState = GameState(
           balls: 1,
           score: 0,
+          bonusLetters: [],
         );
         expect(gameState.isGameOver, isFalse);
       });
     });
 
+    group('isLastBall', () {
+      test(
+        'is true '
+        'when there is only one ball left',
+        () {
+          const gameState = GameState(
+            balls: 1,
+            score: 0,
+            bonusLetters: [],
+          );
+          expect(gameState.isLastBall, isTrue);
+        },
+      );
+
+      test(
+        'is false '
+        'when there are more balls left',
+        () {
+          const gameState = GameState(
+            balls: 2,
+            score: 0,
+            bonusLetters: [],
+          );
+          expect(gameState.isLastBall, isFalse);
+        },
+      );
+    });
+
     group('copyWith', () {
       test(
         'throws AssertionError '
@@ -70,6 +113,7 @@ void main() {
           const gameState = GameState(
             balls: 0,
             score: 2,
+            bonusLetters: [],
           );
           expect(
             () => gameState.copyWith(score: gameState.score - 1),
@@ -85,6 +129,7 @@ void main() {
           const gameState = GameState(
             balls: 0,
             score: 2,
+            bonusLetters: [],
           );
           expect(
             gameState.copyWith(),
@@ -100,10 +145,12 @@ void main() {
           const gameState = GameState(
             score: 2,
             balls: 0,
+            bonusLetters: [],
           );
           final otherGameState = GameState(
             score: gameState.score + 1,
             balls: gameState.balls + 1,
+            bonusLetters: const ['A'],
           );
           expect(gameState, isNot(equals(otherGameState)));
 
@@ -111,6 +158,7 @@ void main() {
             gameState.copyWith(
               score: otherGameState.score,
               balls: otherGameState.balls,
+              bonusLetters: otherGameState.bonusLetters,
             ),
             equals(otherGameState),
           );

test/game/components/anchor_test.dart

@@ -0,0 +1,60 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/game/game.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('Anchor', () {
+    final flameTester = FlameTester(PinballGame.new);
+
+    flameTester.test(
+      'loads correctly',
+      (game) async {
+        final anchor = Anchor(position: Vector2.zero());
+        await game.ensureAdd(anchor);
+
+        expect(game.contains(anchor), isTrue);
+      },
+    );
+
+    group('body', () {
+      flameTester.test(
+        'positions correctly',
+        (game) async {
+          final position = Vector2.all(10);
+          final anchor = Anchor(position: position);
+          await game.ensureAdd(anchor);
+          game.contains(anchor);
+
+          expect(anchor.body.position, position);
+        },
+      );
+
+      flameTester.test(
+        'is static',
+        (game) async {
+          final anchor = Anchor(position: Vector2.zero());
+          await game.ensureAdd(anchor);
+
+          expect(anchor.body.bodyType, equals(BodyType.static));
+        },
+      );
+    });
+
+    group('fixtures', () {
+      flameTester.test(
+        'has none',
+        (game) async {
+          final anchor = Anchor(position: Vector2.zero());
+          await game.ensureAdd(anchor);
+
+          expect(anchor.body.fixtures, isEmpty);
+        },
+      );
+    });
+  });
+}

test/game/components/ball_test.dart

@@ -1,10 +1,14 @@
 // ignore_for_file: cascade_invocations
 
+import 'package:bloc_test/bloc_test.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
 import 'package:pinball/game/game.dart';
 
+import '../../helpers/helpers.dart';
+
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
@@ -75,7 +79,77 @@ void main() {
 
           final fixture = ball.body.fixtures[0];
           expect(fixture.shape.shapeType, equals(ShapeType.circle));
-          expect(fixture.shape.radius, equals(2));
+          expect(fixture.shape.radius, equals(1));
+        },
+      );
+    });
+
+    group('resetting a ball', () {
+      late GameBloc gameBloc;
+
+      setUp(() {
+        gameBloc = MockGameBloc();
+        whenListen(
+          gameBloc,
+          const Stream<GameState>.empty(),
+          initialState: const GameState.initial(),
+        );
+      });
+
+      final tester = flameBlocTester(
+        gameBlocBuilder: () {
+          return gameBloc;
+        },
+      );
+
+      tester.widgetTest(
+        'adds BallLost to GameBloc',
+        (game, tester) async {
+          await game.ready();
+
+          game.children.whereType<Ball>().first.lost();
+          await tester.pump();
+
+          verify(() => gameBloc.add(const BallLost())).called(1);
+        },
+      );
+
+      tester.widgetTest(
+        'resets the ball if the game is not over',
+        (game, tester) async {
+          await game.ready();
+
+          game.children.whereType<Ball>().first.removeFromParent();
+          await game.ready(); // Making sure that all additions are done
+
+          expect(
+            game.children.whereType<Ball>().length,
+            equals(1),
+          );
+        },
+      );
+
+      tester.widgetTest(
+        'no ball is added on game over',
+        (game, tester) async {
+          whenListen(
+            gameBloc,
+            const Stream<GameState>.empty(),
+            initialState: const GameState(
+              score: 10,
+              balls: 1,
+              bonusLetters: [],
+            ),
+          );
+          await game.ready();
+
+          game.children.whereType<Ball>().first.removeFromParent();
+          await tester.pump();
+
+          expect(
+            game.children.whereType<Ball>().length,
+            equals(0),
+          );
         },
       );
     });

test/game/components/plunger_test.dart

@@ -0,0 +1,302 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:bloc_test/bloc_test.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/game/game.dart';
+
+import '../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final flameTester = FlameTester(PinballGame.new);
+
+  group('Plunger', () {
+    flameTester.test(
+      'loads correctly',
+      (game) async {
+        final plunger = Plunger(position: Vector2.zero());
+        await game.ensureAdd(plunger);
+
+        expect(game.contains(plunger), isTrue);
+      },
+    );
+
+    group('body', () {
+      flameTester.test(
+        'positions correctly',
+        (game) async {
+          final position = Vector2.all(10);
+          final plunger = Plunger(position: position);
+          await game.ensureAdd(plunger);
+          game.contains(plunger);
+
+          expect(plunger.body.position, position);
+        },
+      );
+
+      flameTester.test(
+        'is dynamic',
+        (game) async {
+          final plunger = Plunger(position: Vector2.zero());
+          await game.ensureAdd(plunger);
+
+          expect(plunger.body.bodyType, equals(BodyType.dynamic));
+        },
+      );
+
+      flameTester.test(
+        'ignores gravity',
+        (game) async {
+          final plunger = Plunger(position: Vector2.zero());
+          await game.ensureAdd(plunger);
+
+          expect(plunger.body.gravityScale, isZero);
+        },
+      );
+    });
+
+    group('first fixture', () {
+      flameTester.test(
+        'exists',
+        (game) async {
+          final plunger = Plunger(position: Vector2.zero());
+          await game.ensureAdd(plunger);
+
+          expect(plunger.body.fixtures[0], isA<Fixture>());
+        },
+      );
+
+      flameTester.test(
+        'shape is a polygon',
+        (game) async {
+          final plunger = Plunger(position: Vector2.zero());
+          await game.ensureAdd(plunger);
+
+          final fixture = plunger.body.fixtures[0];
+          expect(fixture.shape.shapeType, equals(ShapeType.polygon));
+        },
+      );
+    });
+
+    flameTester.test(
+      'pull sets a negative linear velocity',
+      (game) async {
+        final plunger = Plunger(position: Vector2.zero());
+        await game.ensureAdd(plunger);
+
+        plunger.pull();
+
+        expect(plunger.body.linearVelocity.y, isNegative);
+        expect(plunger.body.linearVelocity.x, isZero);
+      },
+    );
+
+    group('release', () {
+      flameTester.test(
+        'does not set a linear velocity '
+        'when plunger is in starting position',
+        (game) async {
+          final plunger = Plunger(position: Vector2.zero());
+          await game.ensureAdd(plunger);
+
+          plunger.release();
+
+          expect(plunger.body.linearVelocity.y, isZero);
+          expect(plunger.body.linearVelocity.x, isZero);
+        },
+      );
+
+      flameTester.test(
+        'sets a positive linear velocity '
+        'when plunger is below starting position',
+        (game) async {
+          final plunger = Plunger(position: Vector2.zero());
+          await game.ensureAdd(plunger);
+
+          plunger.body.setTransform(Vector2(0, -1), 0);
+          plunger.release();
+
+          expect(plunger.body.linearVelocity.y, isPositive);
+          expect(plunger.body.linearVelocity.x, isZero);
+        },
+      );
+    });
+  });
+
+  group('PlungerAnchorPrismaticJointDef', () {
+    late GameBloc gameBloc;
+    late Plunger plunger;
+    late Anchor anchor;
+
+    setUp(() {
+      gameBloc = MockGameBloc();
+      whenListen(
+        gameBloc,
+        const Stream<GameState>.empty(),
+        initialState: const GameState.initial(),
+      );
+      plunger = Plunger(position: Vector2.zero());
+      anchor = Anchor(position: Vector2(0, -1));
+    });
+
+    final flameTester = flameBlocTester(
+      gameBlocBuilder: () {
+        return gameBloc;
+      },
+    );
+
+    flameTester.test(
+      'throws AssertionError '
+      'when anchor is above plunger',
+      (game) async {
+        final anchor = Anchor(position: Vector2(0, 1));
+        await game.ensureAddAll([plunger, anchor]);
+
+        expect(
+          () => PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          ),
+          throwsAssertionError,
+        );
+      },
+    );
+
+    flameTester.test(
+      'throws AssertionError '
+      'when anchor is in same position as plunger',
+      (game) async {
+        final anchor = Anchor(position: Vector2.zero());
+        await game.ensureAddAll([plunger, anchor]);
+
+        expect(
+          () => PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          ),
+          throwsAssertionError,
+        );
+      },
+    );
+
+    group('initializes with', () {
+      flameTester.test(
+        'plunger body as bodyA',
+        (game) async {
+          await game.ensureAddAll([plunger, anchor]);
+
+          final jointDef = PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          );
+
+          expect(jointDef.bodyA, equals(plunger.body));
+        },
+      );
+
+      flameTester.test(
+        'anchor body as bodyB',
+        (game) async {
+          await game.ensureAddAll([plunger, anchor]);
+
+          final jointDef = PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          );
+          game.world.createJoint(jointDef);
+
+          expect(jointDef.bodyB, equals(anchor.body));
+        },
+      );
+
+      flameTester.test(
+        'limits enabled',
+        (game) async {
+          await game.ensureAddAll([plunger, anchor]);
+
+          final jointDef = PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          );
+          game.world.createJoint(jointDef);
+
+          expect(jointDef.enableLimit, isTrue);
+        },
+      );
+
+      flameTester.test(
+        'lower translation limit as negative infinity',
+        (game) async {
+          await game.ensureAddAll([plunger, anchor]);
+
+          final jointDef = PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          );
+          game.world.createJoint(jointDef);
+
+          expect(jointDef.lowerTranslation, equals(double.negativeInfinity));
+        },
+      );
+
+      flameTester.test(
+        'connected body collison enabled',
+        (game) async {
+          await game.ensureAddAll([plunger, anchor]);
+
+          final jointDef = PlungerAnchorPrismaticJointDef(
+            plunger: plunger,
+            anchor: anchor,
+          );
+          game.world.createJoint(jointDef);
+
+          expect(jointDef.collideConnected, isTrue);
+        },
+      );
+    });
+
+    flameTester.widgetTest(
+      'plunger cannot go below anchor',
+      (game, tester) async {
+        await game.ensureAddAll([plunger, anchor]);
+
+        // Giving anchor a shape for the plunger to collide with.
+        anchor.body.createFixtureFromShape(PolygonShape()..setAsBoxXY(2, 1));
+
+        final jointDef = PlungerAnchorPrismaticJointDef(
+          plunger: plunger,
+          anchor: anchor,
+        );
+        game.world.createJoint(jointDef);
+
+        plunger.pull();
+        await tester.pump(const Duration(seconds: 1));
+
+        expect(plunger.body.position.y > anchor.body.position.y, isTrue);
+      },
+    );
+
+    flameTester.widgetTest(
+      'plunger cannot excessively exceed starting position',
+      (game, tester) async {
+        await game.ensureAddAll([plunger, anchor]);
+
+        final jointDef = PlungerAnchorPrismaticJointDef(
+          plunger: plunger,
+          anchor: anchor,
+        );
+        game.world.createJoint(jointDef);
+
+        plunger.pull();
+        await tester.pump(const Duration(seconds: 1));
+
+        plunger.release();
+        await tester.pump(const Duration(seconds: 1));
+
+        expect(plunger.body.position.y < 1, isTrue);
+      },
+    );
+  });
+}

test/game/components/wall_test.dart

@@ -0,0 +1,122 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:pinball/game/game.dart';
+
+import '../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('Wall', () {
+    group('BottomWallBallContactCallback', () {
+      test(
+        'removes the ball on begin contact when the wall is a bottom one',
+        () {
+          final game = MockPinballGame();
+          final wall = MockBottomWall();
+          final ball = MockBall();
+
+          when(() => ball.gameRef).thenReturn(game);
+
+          BottomWallBallContactCallback()
+            // Remove once https://github.com/flame-engine/flame/pull/1415
+            // is merged
+            ..end(MockBall(), MockBottomWall(), MockContact())
+            ..begin(ball, wall, MockContact());
+
+          verify(ball.lost).called(1);
+        },
+      );
+    });
+    final flameTester = FlameTester(PinballGame.new);
+
+    flameTester.test(
+      'loads correctly',
+      (game) async {
+        final wall = Wall(
+          start: Vector2.zero(),
+          end: Vector2(100, 0),
+        );
+        await game.ensureAdd(wall);
+
+        expect(game.contains(wall), isTrue);
+      },
+    );
+
+    group('body', () {
+      flameTester.test(
+        'positions correctly',
+        (game) async {
+          final wall = Wall(
+            start: Vector2.zero(),
+            end: Vector2(100, 0),
+          );
+          await game.ensureAdd(wall);
+          game.contains(wall);
+
+          expect(wall.body.position, Vector2.zero());
+        },
+      );
+
+      flameTester.test(
+        'is static',
+        (game) async {
+          final wall = Wall(
+            start: Vector2.zero(),
+            end: Vector2(100, 0),
+          );
+          await game.ensureAdd(wall);
+
+          expect(wall.body.bodyType, equals(BodyType.static));
+        },
+      );
+    });
+
+    group('first fixture', () {
+      flameTester.test(
+        'exists',
+        (game) async {
+          final wall = Wall(
+            start: Vector2.zero(),
+            end: Vector2(100, 0),
+          );
+          await game.ensureAdd(wall);
+
+          expect(wall.body.fixtures[0], isA<Fixture>());
+        },
+      );
+
+      flameTester.test(
+        'has restitution equals 0',
+        (game) async {
+          final wall = Wall(
+            start: Vector2.zero(),
+            end: Vector2(100, 0),
+          );
+          await game.ensureAdd(wall);
+
+          final fixture = wall.body.fixtures[0];
+          expect(fixture.restitution, equals(0));
+        },
+      );
+
+      flameTester.test(
+        'has friction',
+        (game) async {
+          final wall = Wall(
+            start: Vector2.zero(),
+            end: Vector2(100, 0),
+          );
+          await game.ensureAdd(wall);
+
+          final fixture = wall.body.fixtures[0];
+          expect(fixture.friction, greaterThan(0));
+        },
+      );
+    });
+  });
+}

test/game/view/game_hud_test.dart

@@ -0,0 +1,79 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:bloc_test/bloc_test.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/game/game.dart';
+import '../../helpers/helpers.dart';
+
+void main() {
+  group('GameHud', () {
+    late GameBloc gameBloc;
+    const initialState = GameState(score: 10, balls: 2, bonusLetters: []);
+
+    void _mockState(GameState state) {
+      whenListen(
+        gameBloc,
+        Stream.value(state),
+        initialState: state,
+      );
+    }
+
+    Future<void> _pumpHud(WidgetTester tester) async {
+      await tester.pumpApp(
+        GameHud(),
+        gameBloc: gameBloc,
+      );
+    }
+
+    setUp(() {
+      gameBloc = MockGameBloc();
+      _mockState(initialState);
+    });
+
+    testWidgets(
+      'renders the current score',
+      (tester) async {
+        await _pumpHud(tester);
+        expect(find.text(initialState.score.toString()), findsOneWidget);
+      },
+    );
+
+    testWidgets(
+      'renders the current ball number',
+      (tester) async {
+        await _pumpHud(tester);
+        expect(
+          find.byType(CircleAvatar),
+          findsNWidgets(initialState.balls),
+        );
+      },
+    );
+
+    testWidgets('updates the score', (tester) async {
+      await _pumpHud(tester);
+      expect(find.text(initialState.score.toString()), findsOneWidget);
+
+      _mockState(initialState.copyWith(score: 20));
+
+      await tester.pump();
+      expect(find.text('20'), findsOneWidget);
+    });
+
+    testWidgets('updates the ball number', (tester) async {
+      await _pumpHud(tester);
+      expect(
+        find.byType(CircleAvatar),
+        findsNWidgets(initialState.balls),
+      );
+
+      _mockState(initialState.copyWith(balls: 1));
+
+      await tester.pump();
+      expect(
+        find.byType(CircleAvatar),
+        findsNWidgets(1),
+      );
+    });
+  });
+}

test/game/view/pinball_game_page_test.dart

@@ -1,4 +1,6 @@
+import 'package:bloc_test/bloc_test.dart';
 import 'package:flame/game.dart';
+import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pinball/game/game.dart';
 
@@ -6,9 +8,84 @@ import '../../helpers/helpers.dart';
 
 void main() {
   group('PinballGamePage', () {
-    testWidgets('renders single GameWidget with PinballGame', (tester) async {
+    testWidgets('renders PinballGameView', (tester) async {
-      await tester.pumpApp(const PinballGamePage());
+      final gameBloc = MockGameBloc();
-      expect(find.byType(GameWidget<PinballGame>), findsOneWidget);
+      whenListen(
+        gameBloc,
+        Stream.value(const GameState.initial()),
+        initialState: const GameState.initial(),
+      );
+
+      await tester.pumpApp(const PinballGamePage(), gameBloc: gameBloc);
+      expect(find.byType(PinballGameView), findsOneWidget);
     });
+
+    testWidgets('route returns a valid navigation route', (tester) async {
+      await tester.pumpApp(
+        Scaffold(
+          body: Builder(
+            builder: (context) {
+              return ElevatedButton(
+                onPressed: () {
+                  Navigator.of(context).push<void>(PinballGamePage.route());
+                },
+                child: const Text('Tap me'),
+              );
+            },
+          ),
+        ),
+      );
+
+      await tester.tap(find.text('Tap me'));
+
+      // We can't use pumpAndSettle here because the page renders a Flame game
+      // which is an infinity animation, so it will timeout
+      await tester.pump(); // Runs the button action
+      await tester.pump(); // Runs the navigation
+
+      expect(find.byType(PinballGamePage), findsOneWidget);
+    });
+  });
+
+  group('PinballGameView', () {
+    testWidgets('renders game and a hud', (tester) async {
+      final gameBloc = MockGameBloc();
+      whenListen(
+        gameBloc,
+        Stream.value(const GameState.initial()),
+        initialState: const GameState.initial(),
+      );
+
+      await tester.pumpApp(const PinballGameView(), gameBloc: gameBloc);
+      expect(
+        find.byWidgetPredicate((w) => w is GameWidget<PinballGame>),
+        findsOneWidget,
+      );
+      expect(
+        find.byType(GameHud),
+        findsOneWidget,
+      );
+    });
+
+    testWidgets(
+      'renders a game over dialog when the user has lost',
+      (tester) async {
+        final gameBloc = MockGameBloc();
+        const state = GameState(score: 0, balls: 0, bonusLetters: []);
+        whenListen(
+          gameBloc,
+          Stream.value(state),
+          initialState: state,
+        );
+
+        await tester.pumpApp(const PinballGameView(), gameBloc: gameBloc);
+        await tester.pump();
+
+        expect(
+          find.text('Game Over'),
+          findsOneWidget,
+        );
+      },
+    );
   });
 }

test/helpers/builders.dart

@@ -0,0 +1,19 @@
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pinball/game/game.dart';
+
+FlameTester<PinballGame> flameBlocTester({
+  required GameBloc Function() gameBlocBuilder,
+}) {
+  return FlameTester<PinballGame>(
+    PinballGame.new,
+    pumpWidget: (gameWidget, tester) async {
+      await tester.pumpWidget(
+        BlocProvider.value(
+          value: gameBlocBuilder(),
+          child: gameWidget,
+        ),
+      );
+    },
+  );
+}

test/helpers/helpers.dart

@@ -5,4 +5,6 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+export 'builders.dart';
+export 'mocks.dart';
 export 'pump_app.dart';

test/helpers/mocks.dart

@@ -0,0 +1,15 @@
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:pinball/game/game.dart';
+
+class MockPinballGame extends Mock implements PinballGame {}
+
+class MockWall extends Mock implements Wall {}
+
+class MockBottomWall extends Mock implements BottomWall {}
+
+class MockBall extends Mock implements Ball {}
+
+class MockContact extends Mock implements Contact {}
+
+class MockGameBloc extends Mock implements GameBloc {}

test/helpers/pump_app.dart

@@ -6,15 +6,20 @@
 // https://opensource.org/licenses/MIT.
 
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockingjay/mockingjay.dart';
+import 'package:pinball/game/game.dart';
 import 'package:pinball/l10n/l10n.dart';
 
+import 'helpers.dart';
+
 extension PumpApp on WidgetTester {
   Future<void> pumpApp(
     Widget widget, {
     MockNavigator? navigator,
+    GameBloc? gameBloc,
   }) {
     return pumpWidget(
       MaterialApp(
@@ -23,9 +28,12 @@ extension PumpApp on WidgetTester {
           GlobalMaterialLocalizations.delegate,
         ],
         supportedLocales: AppLocalizations.supportedLocales,
-        home: navigator != null
+        home: BlocProvider.value(
-            ? MockNavigatorProvider(navigator: navigator, child: widget)
+          value: gameBloc ?? MockGameBloc(),
-            : widget,
+          child: navigator != null
+              ? MockNavigatorProvider(navigator: navigator, child: widget)
+              : widget,
+        ),
       ),
     );
   }

test/theme/cubit/theme_cubit_test.dart

@@ -0,0 +1,22 @@
+import 'package:bloc_test/bloc_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/theme/theme.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+void main() {
+  group('ThemeCubit', () {
+    test('initial state has Dash character theme', () {
+      final themeCubit = ThemeCubit();
+      expect(themeCubit.state.theme.characterTheme, equals(const DashTheme()));
+    });
+
+    blocTest<ThemeCubit, ThemeState>(
+      'charcterSelected emits selected character theme',
+      build: ThemeCubit.new,
+      act: (bloc) => bloc.characterSelected(const SparkyTheme()),
+      expect: () => [
+        const ThemeState(PinballTheme(characterTheme: SparkyTheme())),
+      ],
+    );
+  });
+}

test/theme/cubit/theme_state_test.dart

@@ -0,0 +1,19 @@
+// ignore_for_file: prefer_const_constructors
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/theme/theme.dart';
+
+void main() {
+  group('ThemeState', () {
+    test('can be instantiated', () {
+      expect(const ThemeState.initial(), isNotNull);
+    });
+
+    test('supports value equality', () {
+      expect(
+        ThemeState.initial(),
+        equals(const ThemeState.initial()),
+      );
+    });
+  });
+}