feat(sanbox): updated games

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

@@ -1,22 +1,38 @@
 import 'dart:async';
 
+import 'package:flame/input.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:sandbox/common/common.dart';
 import 'package:sandbox/stories/ball/basic_ball_game.dart';
 
-class FlutterSignPostGame extends BasicBallGame with Traceable {
+class FlutterSignPostGame extends BasicBallGame with Traceable, TapDetector {
   static const info = '''
     Shows how a FlutterSignPost is rendered.
 
     - Activate the "trace" parameter to overlay the body.
+    - Tap to progress the sprite.
 ''';
 
   @override
   Future<void> onLoad() async {
     await super.onLoad();
+
+    await Future.wait([
+      loadSprite(Assets.images.signPost.inactive.keyName),
+      loadSprite(Assets.images.signPost.active1.keyName),
+      loadSprite(Assets.images.signPost.active2.keyName),
+      loadSprite(Assets.images.signPost.active3.keyName),
+    ]);
+
     camera.followVector2(Vector2.zero());
     await add(FlutterSignPost()..priority = 1);
     await traceAllBodies();
   }
+
+  @override
+  void onTap() {
+    super.onTap();
+    firstChild<FlutterSignPost>()!.progress();
+  }
 }

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

@@ -14,7 +14,7 @@ class BasicCameraZoomGame extends BasicGame with TapDetector {
 
   @override
   Future<void> onLoad() async {
-    final sprite = await loadSprite(Assets.images.flutterSignPost.keyName);
+    final sprite = await loadSprite(Assets.images.signPost.inactive.keyName);
 
     await add(
       SpriteComponent(