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| void main() { | |
| print(1<<32); // prints "0" on web... | |
| } |
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| import 'package:flutter/material.dart'; | |
| void main() { | |
| runApp(MyApp()); | |
| } | |
| class MyApp extends StatelessWidget { | |
| // This widget is the root of your application. | |
| @override | |
| Widget build(BuildContext context) { |
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| import 'package:flutter/material.dart'; | |
| import 'package:flutter/widgets.dart'; | |
| import 'common.dart'; | |
| class ExplorePage extends StatefulWidget { | |
| const ExplorePage({Key key}) : super(key: key); | |
| @override | |
| _ExplorePageState createState() => _ExplorePageState(); |
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| AnimatedBuilder( | |
| animation: cardSwipeAnimationController, | |
| builder: (context, snapshot) { | |
| Offset translateOffset = Offset.fromDirection(direction, cardAnimationController.value); | |
| return Transform.translate( | |
| offset: Offset(translateOffset.dx, 0), | |
| child: Card( | |
| child: Center( | |
| child: Text("${widget.displayNumber}", |
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| frame = (elapsedTime.inMilliseconds / 100).floor() % 2 + 3 |
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| @override | |
| Rect getRect(Size screenSize, double runDistance) { | |
| return Rect.fromLTWH( | |
| (location.dx - runDistance) WORLD_TO_PIXEL_RATIO / 5, | |
| 2 / 7 screenSize.height - cloud.imageHeight - location.dy, | |
| cloud.imageWidth.toDouble(), | |
| cloud.imageHeight.toDouble()); | |
| } |
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| for (GameObject object in [...ground, ...obstacles, dino]) { | |
| children.add( | |
| AnimatedBuilder( | |
| animation: worldController, | |
| builder: (context, child) { | |
| Rect objectRect = object.getRect(screenSize, runDistance); | |
| return Positioned( | |
| top: objectRect.top, | |
| left: objectRect.left, | |
| width: objectRect.width, |
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| if (groundlet.getRect(screenSize, runDistance).right < 0) { | |
| setState(() { | |
| ground.remove(groundlet); | |
| ground.add(Ground( | |
| worldLocation: Offset( | |
| ground.last.worldLocation.dx + | |
| groundSprite.imageWidth / WORLD_TO_PIXEL_RATIO, | |
| 0))); | |
| }); | |
| } |
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| ground = [ | |
| Ground(location: Offset(0, 0)), | |
| Ground( | |
| location: Offset(groundSprite.imageWidth / WORLD_TO_PIXEL_RATIO, 0)) | |
| ]; |
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