Reverting doc rename

doc/examples/debug/lib/main.dart

@@ -0,0 +1,88 @@
+import 'package:flame/game.dart';
+import 'package:flame/flame.dart';
+import 'package:flame/svg.dart';
+import 'package:flame/position.dart';
+import 'package:flame/components/component.dart' show SvgComponent;
+import 'package:flame/components/mixins/resizable.dart';
+import 'package:flame/text_config.dart';
+
+import 'package:flutter/material.dart';
+
+void main() async {
+  await Flame.util.initialDimensions();
+
+  final myGame = MyGame();
+  runApp(myGame.widget);
+  myGame.start();
+}
+
+class AndroidComponent extends SvgComponent with Resizable {
+  static const int SPEED = 150;
+  int xDirection = 1;
+  int yDirection = 1;
+
+  AndroidComponent() : super.fromSvg(100, 100, Svg('android.svg'));
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+    if (size == null) {
+      return;
+    }
+
+    x += xDirection * SPEED * dt;
+
+    final rect = toRect();
+
+    if ((x <= 0 && xDirection == -1) ||
+        (rect.right >= size.width && xDirection == 1)) {
+      xDirection = xDirection * -1;
+    }
+
+    y += yDirection * SPEED * dt;
+
+    if ((y <= 0 && yDirection == -1) ||
+        (rect.bottom >= size.height && yDirection == 1)) {
+      yDirection = yDirection * -1;
+    }
+  }
+}
+
+class MyGame extends BaseGame {
+  final fpsTextConfig = const TextConfig(color: const Color(0xFFFFFFFF));
+
+  @override
+  bool debugMode() => true;
+
+  @override
+  bool recordFps() => true;
+
+  void start() {
+    final android = AndroidComponent();
+    android.x = 100;
+    android.y = 400;
+
+    final android2 = AndroidComponent();
+    android2.x = 100;
+    android2.y = 400;
+    android2.yDirection = -1;
+
+    final android3 = AndroidComponent();
+    android3.x = 100;
+    android3.y = 400;
+    android3.xDirection = -1;
+
+    add(android);
+    add(android2);
+    add(android3);
+  }
+
+  @override
+  void render(Canvas canvas) {
+    super.render(canvas);
+
+    if (debugMode()) {
+      fpsTextConfig.render(canvas, fps(120).toString(), Position(0, 50));
+    }
+  }
+}