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docs: SpriteAnimation benchmark example (#2131)

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This commit is contained in:
Lukas Klingsbo
2022-10-29 18:49:03 +01:00
committed by GitHub
parent 9cc8ff59b3
commit 03751a2f54
2 changed files with 67 additions and 0 deletions
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7
examples/lib/stories/animations/animations.dart
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@ -3,6 +3,7 @@ import 'package:examples/commons/commons.dart';
import 'package:examples/stories/animations/animation_group_example.dart';
import 'package:examples/stories/animations/aseprite_example.dart';
import 'package:examples/stories/animations/basic_animation_example.dart';
import 'package:examples/stories/animations/benchmark_example.dart';
import 'package:flame/game.dart';
void addAnimationStories(Dashbook dashbook) {
@ -24,5 +25,11 @@ void addAnimationStories(Dashbook dashbook) {
(_) => GameWidget(game: AsepriteExample()),
codeLink: baseLink('animations/aseprite_example.dart'),
info: AsepriteExample.description,
)
..add(
'Benchmark',
(_) => GameWidget(game: BenchmarkExample()),
codeLink: baseLink('animations/benchmark_example.dart'),
info: BenchmarkExample.description,
);
}

60
examples/lib/stories/animations/benchmark_example.dart Normal file
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@ -0,0 +1,60 @@
import 'dart:math';
import 'package:examples/commons/ember.dart';
import 'package:flame/components.dart';
import 'package:flame/game.dart';
import 'package:flame/input.dart';
class BenchmarkExample extends FlameGame with TapDetector {
static const description = '''
See how many SpriteAnimationComponent's your platform can handle before it
starts to drop in FPS, this is without any sprite batching and such.
100 animation components are added per tap.
''';
final emberSize = Vector2.all(20);
late final TextComponent emberCounter;
final counterPrefix = 'Animations: ';
final Random random = Random();
@override
Future<void> onLoad() async {
await addAll([
FpsTextComponent(
position: size - Vector2(0, 50),
anchor: Anchor.bottomRight,
),
emberCounter = TextComponent(
position: size - Vector2(0, 25),
anchor: Anchor.bottomRight,
priority: 1,
),
Ember(size: emberSize, position: size / 2),
]);
children.register<Ember>();
}
@override
void update(double dt) {
super.update(dt);
emberCounter.text = '$counterPrefix ${children.query<Ember>().length}';
}
@override
void onTapDown(TapDownInfo info) {
final halfWidth = emberSize.x / 2;
final halfHeight = emberSize.y / 2;
addAll(
List.generate(
100,
(_) => Ember(
size: emberSize,
position: Vector2(
halfWidth + (size.x - halfWidth) * random.nextDouble(),
halfHeight + (size.y - halfHeight) * random.nextDouble(),
),
),
),
);
}
}