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https://github.com/flame-engine/flame.git
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b2ea597734
* Initial implementation of paint effects * Improving HasPaint * Adding color effect * Adding exaustive tests for the HasPaint mixin * Adding tests for the effects * some adjustments * Fixing some imports * Adding docs * Adding types to the has paint mixin * Fixing constructor name for the opacity effect * Apply suggestions from code review Co-authored-by: Luan Nico <luanpotter27@gmail.com> * Luan's suggestion * Luan's comments * formatting issues * dartcodemetrics don't help me :( * Adding assert Co-authored-by: Luan Nico <luanpotter27@gmail.com>
46 lines
1.0 KiB
Dart
46 lines
1.0 KiB
Dart
import 'package:flame/components.dart';
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import 'package:flame/effects.dart';
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import 'package:flame/game.dart';
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import 'package:flame/input.dart';
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class OpacityEffectGame extends BaseGame with TapDetector {
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late final SpriteComponent sprite;
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@override
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Future<void> onLoad() async {
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final flameSprite = await loadSprite('flame.png');
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add(
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sprite = SpriteComponent(
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sprite: flameSprite,
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position: Vector2.all(100),
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size: Vector2(149, 211),
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),
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);
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add(
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SpriteComponent(
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sprite: flameSprite,
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position: Vector2(300, 100),
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size: Vector2(149, 211),
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)..addEffect(
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OpacityEffect(
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opacity: 0,
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duration: 0.5,
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isInfinite: true,
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isAlternating: true,
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),
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),
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);
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}
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@override
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void onTap() {
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final opacity = sprite.paint.color.opacity;
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if (opacity == 1) {
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sprite.addEffect(OpacityEffect.fadeOut());
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} else if (opacity == 0) {
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sprite.addEffect(OpacityEffect.fadeIn());
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}
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}
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}
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