Files
flame/examples/lib/stories/effects/scale_effect.dart
Lukas Klingsbo 23a72f5f39 Follow a Vector2 in Camera and add onPositionUpdate (#716)
* No setter for position and size

* Use setter for position and size

* Add onPositionUpdate and snapTo to Camera

* Fix formatting

* Fix size in test

* Update packages/flame/CHANGELOG.md

Co-authored-by: Jochum van der Ploeg <jochum@vdploeg.net>

* Update packages/flame/CHANGELOG.md

Co-authored-by: Jochum van der Ploeg <jochum@vdploeg.net>

* Better naming for internal position state

* Anchor and angle defaults on effect test utils

* No setter for position and size

* Fix scale effect

* Fix formatting

Co-authored-by: Jochum van der Ploeg <jochum@vdploeg.net>
Co-authored-by: Erick Zanardo <erickzanardoo@gmail.com>
2021-03-31 20:48:44 +02:00

36 lines
787 B
Dart

import 'package:flame/components.dart';
import 'package:flame/effects.dart';
import 'package:flame/extensions.dart';
import 'package:flame/game.dart';
import 'package:flame/gestures.dart';
import 'package:flutter/material.dart';
import '../../commons/square_component.dart';
class ScaleEffectGame extends BaseGame with TapDetector {
late SquareComponent square;
bool grow = true;
@override
Future<void> onLoad() async {
square = SquareComponent()
..position.setValues(200, 200)
..anchor = Anchor.center;
add(square);
}
@override
void onTap() {
final s = grow ? 300.0 : 100.0;
grow = !grow;
square.addEffect(
ScaleEffect(
size: Vector2.all(s),
speed: 250.0,
curve: Curves.bounceInOut,
),
);
}
}