feat: added dino walls to sandbox

packages/pinball_components/sandbox/lib/main.dart

@@ -33,6 +33,7 @@ void main() {
   addLaunchRampStories(dashbook);
   addScoreTextStories(dashbook);
   addBackboardStories(dashbook);
+  addDinoWallStories(dashbook);
 
   runApp(dashbook);
 }

packages/pinball_components/sandbox/lib/stories/dino_wall/dino_wall_game.dart

@@ -0,0 +1,31 @@
+import 'dart:async';
+
+import 'package:flame/input.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+import 'package:sandbox/stories/ball/basic_ball_game.dart';
+
+class DinoWallGame extends BasicBallGame {
+  DinoWallGame() : super();
+
+  static const info = '''
+    Shows how DinoWalls are rendered.
+
+    - Activate the "trace" parameter to overlay the body.
+    - Tap anywhere on the screen to spawn a ball into the game.
+''';
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+
+    await images.loadAll([
+      Assets.images.dino.dinoLandTop.keyName,
+      Assets.images.dino.dinoLandBottom.keyName,
+    ]);
+
+    await addFromBlueprint(DinoWalls());
+    camera.followVector2(Vector2.zero());
+    await traceAllBodies();
+  }
+}

packages/pinball_components/sandbox/lib/stories/dino_wall/stories.dart

@@ -0,0 +1,15 @@
+import 'package:dashbook/dashbook.dart';
+import 'package:flame/game.dart';
+import 'package:sandbox/common/common.dart';
+import 'package:sandbox/stories/dino_wall/dino_wall_game.dart';
+
+void addDinoWallStories(Dashbook dashbook) {
+  dashbook.storiesOf('DinoWall').add(
+        'Basic',
+        (context) => GameWidget(
+          game: DinoWallGame()..trace = context.boolProperty('Trace', true),
+        ),
+        codeLink: buildSourceLink('dino_wall/basic.dart'),
+        info: DinoWallGame.info,
+      );
+}

packages/pinball_components/sandbox/lib/stories/stories.dart

@@ -4,6 +4,7 @@ export 'ball/stories.dart';
 export 'baseboard/stories.dart';
 export 'boundaries/stories.dart';
 export 'chrome_dino/stories.dart';
+export 'dino_wall/stories.dart';
 export 'effects/stories.dart';
 export 'flipper/stories.dart';
 export 'flutter_forest/stories.dart';