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fix: RemoveEffect should work within SequenceEffect (#2110)

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Since the RemoveEffect was removing its parent and not its target it couldn't work within a SequenceEffect since it was just removing that effect instead.
This commit is contained in:
Lukas Klingsbo
2022-10-25 00:26:10 +02:00
committed by GitHub
parent f7c2f54f4d
commit 03e1f33d3d
2 changed files with 23 additions and 5 deletions
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7
packages/flame/lib/src/effects/remove_effect.dart
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@ -1,9 +1,8 @@
import 'package:flame/src/effects/controllers/linear_effect_controller.dart'; import 'package:flame/effects.dart';
import 'package:flame/src/effects/effect.dart';
/// This simple effect, when attached to a component, will cause that component /// This simple effect, when attached to a component, will cause that component
/// to be removed from the game tree after `delay` seconds. /// to be removed from the game tree after `delay` seconds.
class RemoveEffect extends Effect { class RemoveEffect extends ComponentEffect {
RemoveEffect({ RemoveEffect({
double delay = 0.0, double delay = 0.0,
void Function()? onComplete, void Function()? onComplete,
@ -15,7 +14,7 @@ class RemoveEffect extends Effect {
@override @override
void apply(double progress) { void apply(double progress) {
if (progress == 1) { if (progress == 1) {
parent?.removeFromParent(); target.removeFromParent();
} }
} }
} }

21
packages/flame/test/effects/remove_effect_test.dart
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@ -1,6 +1,7 @@
import 'package:flame/components.dart'; import 'package:flame/components.dart';
import 'package:flame/effects.dart';
import 'package:flame/game.dart'; import 'package:flame/game.dart';
import 'package:flame/src/effects/remove_effect.dart'; import 'package:flame_test/flame_test.dart';
import 'package:flutter_test/flutter_test.dart'; import 'package:flutter_test/flutter_test.dart';
void main() { void main() {
@ -41,5 +42,23 @@ void main() {
game.update(0); game.update(0);
expect(game.children.length, 0); expect(game.children.length, 0);
}); });
testWithFlameGame('as a part of a sequence', (game) async {
final component = PositionComponent();
await game.ensureAdd(component);
component.add(
SequenceEffect([
MoveByEffect(Vector2.all(10), EffectController(duration: 1)),
RemoveEffect(),
]),
);
game.update(0);
expect(game.children.length, 1);
game.update(0.5);
expect(game.children.length, 1);
game.update(1.0); // This completes the move effect
game.update(0); // This runs the remove effect
expect(game.children.length, 0);
});
}); });
} }