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54fbd260bc
* Draft of PositionComponent.scale * Use matrix transformations * Update tests to take matrix transform into consideration * Add tests for collision detection with scale * Rename ScaleEffect to SizeEffect * Use transform matrix to prepare canvas * Fix scaledSizeCache * Add changelog entries and docs * Dartdoc on public access methods * Update packages/flame/CHANGELOG.md Co-authored-by: Jochum van der Ploeg <jochum@vdploeg.net> * Move cache classes to own directory Co-authored-by: Jochum van der Ploeg <jochum@vdploeg.net>
44 lines
1.0 KiB
Dart
44 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/extensions.dart';
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import 'package:flame/game.dart';
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import 'package:flame/input.dart';
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import 'package:flame/palette.dart';
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import 'package:flutter/material.dart';
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import '../../commons/square_component.dart';
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class ScaleEffectGame extends BaseGame with TapDetector {
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late SquareComponent square;
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bool grow = true;
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@override
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Future<void> onLoad() async {
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square = SquareComponent()
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..position.setValues(200, 200)
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..anchor = Anchor.center;
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square.paint = BasicPalette.white.paint()..style = PaintingStyle.stroke;
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final childSquare = SquareComponent()
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..position = Vector2.all(70)
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..size = Vector2.all(20)
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..anchor = Anchor.center;
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square.addChild(childSquare);
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add(square);
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}
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@override
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void onTap() {
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final s = grow ? 3.0 : 1.0;
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grow = !grow;
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square.addEffect(
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ScaleEffect(
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scale: Vector2.all(s),
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speed: 2.0,
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curve: Curves.linear,
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),
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);
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}
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}
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