Fixes in examples

doc/examples/animations/lib/main.dart

@@ -8,26 +8,38 @@ import 'package:flutter/material.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+  await Flame.images.loadAll(['creture.png', 'chopper.png']);
+
   final Size size = await Flame.util.initialDimensions();
   final game = MyGame(size);
   runApp(game.widget);
 }
 
 class MyGame extends BaseGame with TapDetector {
-  final animation = flame_animation.Animation.sequenced('chopper.png', 4,
-      textureWidth: 48, textureHeight: 48, stepTime: 0.15, loop: true);
+  final animation = flame_animation.Animation.sequenced(
+    'chopper.png',
+    4,
+    textureWidth: 48,
+    textureHeight: 48,
+    stepTime: 0.15,
+    loop: true,
+  );
 
   void addAnimation(double x, double y) {
     const textureWidth = 291.0;
     const textureHeight = 178.0;
     final animationComponent = AnimationComponent.sequenced(
-        291, 178, 'creature.png', 18,
+      291,
+      178,
+      'creature.png',
+      18,
       amountPerRow: 10,
       textureWidth: textureWidth,
       textureHeight: textureHeight,
       stepTime: 0.15,
       loop: true,
-        destroyOnFinish: true);
+      destroyOnFinish: true,
+    );
     animationComponent.x = x - textureWidth / 2;
     animationComponent.y = y - textureHeight / 2;
 
@@ -42,14 +54,15 @@ class MyGame extends BaseGame with TapDetector {
   MyGame(Size screenSize) {
     size = screenSize;
 
-    final animationComponent = AnimationComponent(100, 100, animation);
-    animationComponent.x = size.width / 2 - 100;
-    animationComponent.y = 100;
+    const s = 100.0;
+    final animationComponent = AnimationComponent(s, s, animation);
+    animationComponent.x = size.width / 2 - s;
+    animationComponent.y = s;
 
     final reversedAnimationComponent =
-        AnimationComponent(100, 100, animation.reversed());
+        AnimationComponent(s, s, animation.reversed());
     reversedAnimationComponent.x = size.width / 2;
-    reversedAnimationComponent.y = 100;
+    reversedAnimationComponent.y = s;
 
     add(animationComponent);
     add(reversedAnimationComponent);

doc/examples/aseprite/lib/main.dart

@@ -18,7 +18,9 @@ class MyGame extends BaseGame {
 
   void _start() async {
     final animation = await flame_animation.Animation.fromAsepriteData(
-        'chopper.png', 'chopper.json');
+      'chopper.png',
+      'chopper.json',
+    );
     final animationComponent = AnimationComponent(200, 200, animation);
 
     animationComponent.x = (size.width / 2) - 100;

doc/examples/audiopool/lib/main.dart

@@ -21,16 +21,17 @@ TextConfig regular = TextConfig(color: BasicPalette.white.color);
 AudioPool pool = AudioPool('laser.mp3');
 
 class MyGame extends BaseGame with TapDetector {
+  static final black = BasicPalette.black.paint;
+
   MyGame(Size screenSize) {
     size = screenSize;
   }
 
   @override
   void render(Canvas canvas) {
-    canvas.drawRect(Rect.fromLTWH(0.0, 0.0, size.width, size.height),
-        BasicPalette.black.paint);
-    regular.render(canvas, 'hit me!', Position.fromSize(size).div(2),
-        anchor: Anchor.center);
+    canvas.drawRect(Rect.fromLTWH(0.0, 0.0, size.width, size.height), black);
+    final p = Position.fromSize(size).div(2);
+    regular.render(canvas, 'hit me!', p, anchor: Anchor.center);
     super.render(canvas);
   }
 

doc/examples/flare/lib/main.dart

@@ -19,7 +19,7 @@ class MyGame extends BaseGame with TapDetector {
   final TextConfig fpsTextConfig = TextConfig(color: const Color(0xFFFFFFFF));
 
   final paint = Paint()..color = const Color(0xFFE5E5E5E5);
-  final List<String> _animations = ["Stand", "Wave", "Jump", "Dance"];
+  final List<String> _animations = ['Stand', 'Wave', 'Jump', 'Dance'];
   int _currentAnimation = 0;
 
   FlareAnimation flareAnimation;
@@ -48,26 +48,26 @@ class MyGame extends BaseGame with TapDetector {
   }
 
   void _start() async {
-    flareAnimation = await FlareAnimation.load("assets/Bob_Minion.flr");
-    flareAnimation.updateAnimation("Stand");
+    flareAnimation = await FlareAnimation.load('assets/Bob_Minion.flr');
+    flareAnimation.updateAnimation('Stand');
 
     flareAnimation.width = 306;
     flareAnimation.height = 228;
 
     final flareAnimation2 =
-        FlareComponent("assets/Bob_Minion.flr", "Wave", 306, 228);
+        FlareComponent('assets/Bob_Minion.flr', 'Wave', 306, 228);
     flareAnimation2.x = 50;
     flareAnimation2.y = 240;
     add(flareAnimation2);
 
     final flareAnimation3 =
-        FlareComponent("assets/Bob_Minion.flr", "Jump", 306, 228);
+        FlareComponent('assets/Bob_Minion.flr', 'Jump', 306, 228);
     flareAnimation3.x = 50;
     flareAnimation3.y = 400;
     add(flareAnimation3);
 
     final flareAnimation4 =
-        FlareComponent("assets/Bob_Minion.flr", "Dance", 306, 228);
+        FlareComponent('assets/Bob_Minion.flr', 'Dance', 306, 228);
     flareAnimation4.x = 50;
     flareAnimation4.y = 550;
     add(flareAnimation4);

doc/examples/go_desktop/lib/game.dart

@@ -3,7 +3,7 @@ import 'package:flame/game.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
 
-class MyGame extends BaseGame {
+class MyGame extends Game {
   static final Paint paint = Paint()..color = const Color(0xFFFFFFFF);
 
   var movingLeft = false;
@@ -24,19 +24,19 @@ class MyGame extends BaseGame {
 
       final keyLabel = e.data.logicalKey.keyLabel;
 
-      if (keyLabel == "a") {
+      if (keyLabel == 'a') {
         movingLeft = isKeyDown;
       }
 
-      if (keyLabel == "d") {
+      if (keyLabel == 'd') {
         movingRight = isKeyDown;
       }
 
-      if (keyLabel == "w") {
+      if (keyLabel == 'w') {
         movingUp = isKeyDown;
       }
 
-      if (keyLabel == "s") {
+      if (keyLabel == 's') {
         movingDown = isKeyDown;
       }
     });

doc/examples/keyboard/lib/main.dart

@@ -29,9 +29,9 @@ class MyGame extends Game with KeyboardEvents {
   @override
   void onKeyEvent(e) {
     final bool isKeyDown = e is RawKeyDownEvent;
-    if (e.data.keyLabel == "a") {
+    if (e.data.keyLabel == 'a') {
       _dir = isKeyDown ? -1 : 0;
-    } else if (e.data.keyLabel == "d") {
+    } else if (e.data.keyLabel == 'd') {
       _dir = isKeyDown ? 1 : 0;
     }
   }

doc/examples/parallax/lib/main.dart

@@ -12,15 +12,18 @@ void main() async {
 class MyGame extends BaseGame {
   MyGame() {
     final images = [
-      ParallaxImage("bg.png"),
-      ParallaxImage("mountain-far.png"),
-      ParallaxImage("mountains.png"),
-      ParallaxImage("trees.png"),
-      ParallaxImage("foreground-trees.png"),
+      ParallaxImage('bg.png'),
+      ParallaxImage('mountain-far.png'),
+      ParallaxImage('mountains.png'),
+      ParallaxImage('trees.png'),
+      ParallaxImage('foreground-trees.png'),
     ];
 
-    final parallaxComponent = ParallaxComponent(images,
-        baseSpeed: const Offset(20, 0), layerDelta: const Offset(30, 0));
+    final parallaxComponent = ParallaxComponent(
+      images,
+      baseSpeed: const Offset(20, 0),
+      layerDelta: const Offset(30, 0),
+    );
 
     add(parallaxComponent);
   }

doc/examples/render_flip/lib/main.dart

@@ -12,8 +12,13 @@ void main() async {
 }
 
 class MyGame extends BaseGame {
-  final animation = flame_animation.Animation.sequenced('chopper.png', 4,
-      textureWidth: 48, textureHeight: 48, stepTime: 0.15);
+  final animation = flame_animation.Animation.sequenced(
+    'chopper.png',
+    4,
+    textureWidth: 48,
+    textureHeight: 48,
+    stepTime: 0.15,
+  );
 
   AnimationComponent buildAnimation() {
     final ac = AnimationComponent(100, 100, animation);

doc/examples/sound/lib/main.dart

@@ -35,7 +35,6 @@ class Ball extends PositionComponent {
       }
 
       forward = !forward;
-      print('boin');
       Flame.audio.play('boin.mp3', volume: 1.0);
     }
   }

doc/examples/tiled/lib/main.dart

@@ -22,7 +22,7 @@ class TiledGame extends BaseGame {
 
   void _addCoinsInMap(TiledComponent tiledMap) async {
     final ObjectGroup objGroup =
-        await tiledMap.getObjectGroupFromLayer("AnimatedCoins");
+        await tiledMap.getObjectGroupFromLayer('AnimatedCoins');
     if (objGroup == null) {
       return;
     }

doc/examples/tiled/pubspec.yaml

@@ -11,6 +11,7 @@ dependencies:
     sdk: flutter
   flame:
       path: ../../../
+  tiled: 0.6.0
 
 dev_dependencies:
   flutter_test:

lib/components/animation_component.dart

@@ -1,15 +1,19 @@
 import 'dart:ui';
 
 import 'component.dart';
-import 'package:flame/animation.dart';
+import '../animation.dart';
 
 class AnimationComponent extends PositionComponent {
   Animation animation;
   Paint overridePaint;
   bool destroyOnFinish = false;
 
-  AnimationComponent(double width, double height, this.animation,
-      {this.destroyOnFinish = false}) {
+  AnimationComponent(
+    double width,
+    double height,
+    this.animation, {
+    this.destroyOnFinish = false,
+  }) {
     this.width = width;
     this.height = height;
   }
@@ -54,8 +58,12 @@ class AnimationComponent extends PositionComponent {
   @override
   void render(Canvas canvas) {
     prepareCanvas(canvas);
-    animation.getSprite().render(canvas,
-        width: width, height: height, overridePaint: overridePaint);
+    animation.getSprite().render(
+          canvas,
+          width: width,
+          height: height,
+          overridePaint: overridePaint,
+        );
   }
 
   @override