Possibility to initialize all PositionComponents from onLoad (#1113)

* Fix ParallaxComponent constructor

* Fix sizing bug parallax_component

* Unify TextComponent and TextBoxComponent

* Fix tests

* Update PositionComponent docs

* Add changelog entry

* Apply suggestions from code review

Co-authored-by: Erick <erickzanardoo@gmail.com>

* Fix analyze issue

* Apply suggestions from code review

Co-authored-by: Luan Nico <luanpotter27@gmail.com>

* Fix line length in components.md

Co-authored-by: Erick <erickzanardoo@gmail.com>
Co-authored-by: Luan Nico <luanpotter27@gmail.com>

examples/lib/stories/input/joystick_advanced.dart

@@ -105,11 +105,11 @@ class JoystickAdvancedGame extends FlameGame with HasDraggables, HasTappables {
       style: TextStyle(color: BasicPalette.white.color),
     );
     speedText = TextComponent(
-      'Speed: 0',
+      text: 'Speed: 0',
       textRenderer: _regular,
     )..isHud = true;
     directionText = TextComponent(
-      'Direction: idle',
+      text: 'Direction: idle',
       textRenderer: _regular,
     )..isHud = true;
 

examples/lib/stories/parallax/advanced.dart

@@ -20,8 +20,8 @@ class AdvancedParallaxGame extends FlameGame {
         velocityMultiplier: Vector2(e.value, 1.0),
       ),
     );
-    final parallax = ParallaxComponent.fromParallax(
-      Parallax(
+    final parallax = ParallaxComponent(
+      parallax: Parallax(
         await Future.wait(layers),
         baseVelocity: Vector2(20, 0),
       ),

examples/lib/stories/parallax/animation.dart

@@ -39,7 +39,7 @@ class AnimationParallaxGame extends FlameGame {
       baseVelocity: Vector2(20, 0),
     );
 
-    final parallaxComponent = ParallaxComponent.fromParallax(parallax);
+    final parallaxComponent = ParallaxComponent(parallax: parallax);
     add(parallaxComponent);
   }
 }

examples/lib/stories/parallax/sandbox_layer.dart

@@ -65,6 +65,6 @@ class SandBoxLayerParallaxGame extends FlameGame {
       baseVelocity: Vector2(20, 0),
     );
 
-    add(ParallaxComponent.fromParallax(parallax));
+    add(ParallaxComponent(parallax: parallax));
   }
 }

examples/lib/stories/rendering/text.dart

@@ -30,7 +30,7 @@ final _shaded = TextPaint(
 class MyTextBox extends TextBoxComponent {
   MyTextBox(String text)
       : super(
-          text,
+          text: text,
           textRenderer: _box,
           boxConfig: TextBoxConfig(
             maxWidth: 400,
@@ -52,26 +52,26 @@ class TextGame extends FlameGame {
   Future<void> onLoad() async {
     await super.onLoad();
     add(
-      TextComponent('Hello, Flame', textRenderer: _regular)
+      TextComponent(text: 'Hello, Flame', textRenderer: _regular)
         ..anchor = Anchor.topCenter
         ..x = size.x / 2
         ..y = 32.0,
     );
 
     add(
-      TextComponent('Text with shade', textRenderer: _shaded)
+      TextComponent(text: 'Text with shade', textRenderer: _shaded)
         ..anchor = Anchor.topRight
         ..position = size - Vector2.all(100),
     );
 
     add(
-      TextComponent('center', textRenderer: _tiny)
+      TextComponent(text: 'center', textRenderer: _tiny)
         ..anchor = Anchor.center
         ..position.setFrom(size / 2),
     );
 
     add(
-      TextComponent('bottomRight', textRenderer: _tiny)
+      TextComponent(text: 'bottomRight', textRenderer: _tiny)
         ..anchor = Anchor.bottomRight
         ..position.setFrom(size),
     );

examples/lib/stories/sprites/spritebatch.dart

@@ -39,8 +39,8 @@ class SpritebatchGame extends FlameGame {
     }
 
     add(
-      SpriteBatchComponent.fromSpriteBatch(
-        spriteBatch,
+      SpriteBatchComponent(
+        spriteBatch: spriteBatch,
         blendMode: BlendMode.srcOver,
       ),
     );