mirror of https://github.com/flutter/pinball.git
RuiAlonso
4 years ago
commit
86fa769721
@ -0,0 +1,56 @@
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import 'dart:async';
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import 'package:flame/components.dart';
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import 'package:flame/effects.dart';
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import 'package:flutter/material.dart';
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/// {@template camera_zoom}
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/// Applies zoom to the camera of the game where this is added to
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/// {@endtemplate}
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class CameraZoom extends Effect with HasGameRef {
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/// {@macro camera_zoom}
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CameraZoom({
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required this.value,
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}) : super(
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EffectController(
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duration: 0.4,
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curve: Curves.easeOut,
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),
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);
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/// The total zoom value to be applied to the camera
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final double value;
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late final Tween<double> _tween;
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final Completer<void> _completer = Completer();
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@override
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Future<void> onLoad() async {
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_tween = Tween(
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begin: gameRef.camera.zoom,
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end: value,
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);
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}
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@override
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void apply(double progress) {
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gameRef.camera.zoom = _tween.transform(progress);
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}
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/// Returns a [Future] that completes once the zoom is finished
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Future<void> get completed {
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if (controller.completed) {
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return Future.value();
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}
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return _completer.future;
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}
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@override
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void onRemove() {
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_completer.complete();
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super.onRemove();
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}
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}
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@ -1,26 +0,0 @@
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import 'dart:async';
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import 'package:flame_forge2d/flame_forge2d.dart';
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import 'package:sandbox/common/common.dart';
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import 'package:sandbox/stories/flipper/basic_flipper_game.dart';
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class FlipperTracingGame extends BasicFlipperGame {
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static const info = '''
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Basic example of how the Flipper body overlays the sprite.
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''';
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@override
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Future<void> onLoad() async {
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await super.onLoad();
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leftFlipper.trace();
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leftFlipper.body.joints.whereType<RevoluteJoint>().forEach(
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(joint) => joint.setLimits(0, 0),
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);
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rightFlipper.trace();
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rightFlipper.body.joints.whereType<RevoluteJoint>().forEach(
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(joint) => joint.setLimits(0, 0),
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);
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}
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}
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@ -1,25 +1,15 @@
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import 'package:dashbook/dashbook.dart';
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import 'package:flame/game.dart';
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import 'package:sandbox/common/common.dart';
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import 'package:sandbox/stories/flipper/basic_flipper_game.dart';
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import 'package:sandbox/stories/flipper/flipper_tracing_game.dart';
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import 'package:sandbox/stories/flipper/flipper_game.dart';
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void addFlipperStories(Dashbook dashbook) {
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dashbook.storiesOf('Flipper')
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..add(
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'Basic',
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(context) => GameWidget(
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game: BasicFlipperGame(),
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),
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codeLink: buildSourceLink('flipper/basic.dart'),
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info: BasicFlipperGame.info,
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)
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..add(
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'Tracing',
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(context) => GameWidget(
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game: FlipperTracingGame(),
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),
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codeLink: buildSourceLink('flipper/tracing.dart'),
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info: FlipperTracingGame.info,
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);
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dashbook.storiesOf('Flipper').add(
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'Basic',
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(context) => GameWidget(
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game: FlipperGame()..trace = context.boolProperty('Trace', true),
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),
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codeLink: buildSourceLink('flipper/basic.dart'),
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info: FlipperGame.info,
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);
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}
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@ -0,0 +1,37 @@
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import 'package:flame/components.dart';
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import 'package:flame/input.dart';
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import 'package:pinball_components/pinball_components.dart';
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import 'package:sandbox/common/common.dart';
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class BasicCameraZoomGame extends BasicGame with TapDetector {
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static const info = '''
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Simple game to demonstrate how the CameraZoom can be used.
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Tap to zoom in/out
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''';
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bool zoomApplied = false;
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@override
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Future<void> onLoad() async {
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final sprite = await loadSprite(Assets.images.flutterSignPost.keyName);
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await add(
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SpriteComponent(
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sprite: sprite,
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size: Vector2(4, 8),
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anchor: Anchor.center,
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),
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);
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camera.followVector2(Vector2.zero());
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}
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@override
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void onTap() {
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if (firstChild<CameraZoom>() == null) {
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final zoom = CameraZoom(value: zoomApplied ? 30 : 10);
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add(zoom);
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zoomApplied = !zoomApplied;
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}
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}
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}
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@ -0,0 +1,15 @@
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import 'package:dashbook/dashbook.dart';
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import 'package:flame/game.dart';
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import 'package:sandbox/common/common.dart';
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import 'package:sandbox/stories/zoom/basic_zoom_game.dart';
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void addZoomStories(Dashbook dashbook) {
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dashbook.storiesOf('CameraZoom').add(
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'Basic',
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(context) => GameWidget(
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game: BasicCameraZoomGame(),
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),
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codeLink: buildSourceLink('zoom/basic_zoom_game.dart'),
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info: BasicCameraZoomGame.info,
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);
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}
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@ -0,0 +1,85 @@
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// ignore_for_file: cascade_invocations
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import 'package:flame/components.dart';
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import 'package:flame_test/flame_test.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:pinball_components/pinball_components.dart';
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import '../../helpers/helpers.dart';
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void main() {
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group('CameraZoom', () {
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final tester = FlameTester(TestGame.new);
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tester.testGameWidget(
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'renders correctly',
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setUp: (game, tester) async {
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game.camera.followVector2(Vector2.zero());
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game.camera.zoom = 10;
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final sprite = await game.loadSprite(
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Assets.images.flutterSignPost.keyName,
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);
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await game.add(
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SpriteComponent(
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sprite: sprite,
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size: Vector2(4, 8),
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anchor: Anchor.center,
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),
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);
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await game.add(CameraZoom(value: 40));
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},
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verify: (game, tester) async {
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await expectLater(
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find.byGame<TestGame>(),
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matchesGoldenFile('golden/camera_zoom/no_zoom.png'),
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);
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game.update(0.2);
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await tester.pump();
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await expectLater(
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find.byGame<TestGame>(),
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matchesGoldenFile('golden/camera_zoom/in_between.png'),
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);
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game.update(0.4);
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await tester.pump();
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await expectLater(
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find.byGame<TestGame>(),
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matchesGoldenFile('golden/camera_zoom/finished.png'),
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);
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game.update(0.1);
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await tester.pump();
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expect(game.firstChild<CameraZoom>(), isNull);
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},
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);
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tester.test(
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'completes when checked after it is finished',
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(game) async {
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await game.add(CameraZoom(value: 40));
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game.update(10);
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final cameraZoom = game.firstChild<CameraZoom>();
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final future = cameraZoom!.completed;
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expect(future, completes);
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},
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);
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tester.test(
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'completes when checked before it is finished',
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(game) async {
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final zoom = CameraZoom(value: 40);
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final future = zoom.completed;
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await game.add(zoom);
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game.update(10);
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game.update(0);
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expect(future, completes);
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},
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);
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});
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}
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After Width: | Height: | Size: 34 KiB |
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After Width: | Height: | Size: 33 KiB |
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After Width: | Height: | Size: 31 KiB |
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