mirror of https://github.com/flutter/pinball.git
parent
1a8f534ece
commit
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import 'package:flame/components.dart';
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import 'package:flame_forge2d/flame_forge2d.dart';
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import 'package:pinball_components/pinball_components.dart';
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/// {@template bumper}
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/// Generic bumper.
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/// {@endtemplate}
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abstract class Bumper extends BodyComponent with InitialPosition {
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/// {@macro bumper}
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Bumper({
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required String activeAssetPath,
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required String inactiveAssetPath,
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required SpriteComponent spriteComponent,
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}) : _activeAssetPath = activeAssetPath,
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_inactiveAssetPath = inactiveAssetPath,
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_spriteComponent = spriteComponent;
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final String _activeAssetPath;
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late final Sprite _activeSprite;
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final String _inactiveAssetPath;
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late final Sprite _inactiveSprite;
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final SpriteComponent _spriteComponent;
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Future<void> _loadSprites() async {
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// TODO(alestiago): I think ideally we would like to do:
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// Sprite(path).load so we don't require to store the activeAssetPath and
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// the inactive assetPath.
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_inactiveSprite = await gameRef.loadSprite(_inactiveAssetPath);
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_activeSprite = await gameRef.loadSprite(_activeAssetPath);
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}
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/// Activates the [Bumper].
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void activate() {
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_spriteComponent
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..sprite = _activeSprite
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..size = _activeSprite.originalSize / 10;
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}
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/// Deactivates the [Bumper].
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void deactivate() {
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_spriteComponent
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..sprite = _inactiveSprite
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..size = _inactiveSprite.originalSize / 10;
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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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await _loadSprites();
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// TODO(erickzanardo): Look into using onNewState instead.
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// Currently doing: onNewState(gameRef.read<GameState>()) will throw an
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// `Exception: build context is not available yet`
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deactivate();
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await add(_spriteComponent);
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}
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}
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