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This commit is contained in:
Erick Zanardo
2020-05-25 12:20:58 -03:00
parent cee26870db
commit eb702ae07c
3 changed files with 31 additions and 33 deletions
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3
doc/examples/widgets/lib/main.dart
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@ -92,8 +92,7 @@ void main() async {
to: 3, to: 3,
loop: true, loop: true,
); );
dashbook.storiesOf('FlameAnimationWidget').decorator(CenterDecorator()) dashbook.storiesOf('FlameAnimationWidget').decorator(CenterDecorator()).add(
.add(
'default', 'default',
(ctx) => Container( (ctx) => Container(
width: ctx.numberProperty('container width', 400), width: ctx.numberProperty('container width', 400),

14
lib/widgets/flame_animation_widget.dart
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@ -20,8 +20,8 @@ class FlameAnimationWidget extends StatefulWidget {
State createState() => _FlameAnimationWidget(); State createState() => _FlameAnimationWidget();
} }
class _FlameAnimationWidget extends State<FlameAnimationWidget> with SingleTickerProviderStateMixin { class _FlameAnimationWidget extends State<FlameAnimationWidget>
with SingleTickerProviderStateMixin {
AnimationController _controller; AnimationController _controller;
int _lastUpdated; int _lastUpdated;
@ -39,9 +39,7 @@ class _FlameAnimationWidget extends State<FlameAnimationWidget> with SingleTicke
void initState() { void initState() {
super.initState(); super.initState();
_controller = AnimationController( _controller = AnimationController(vsync: this)
vsync: this
)
..addListener(() { ..addListener(() {
final now = DateTime.now().millisecond; final now = DateTime.now().millisecond;
@ -66,8 +64,7 @@ class _FlameAnimationWidget extends State<FlameAnimationWidget> with SingleTicke
_lastUpdated = DateTime.now().millisecond; _lastUpdated = DateTime.now().millisecond;
_controller.repeat( _controller.repeat(
// -/+ 60 fps // -/+ 60 fps
period: Duration(milliseconds: 16) period: Duration(milliseconds: 16));
);
}); });
} }
@ -85,6 +82,7 @@ class _FlameAnimationWidget extends State<FlameAnimationWidget> with SingleTicke
@override @override
Widget build(ctx) { Widget build(ctx) {
return FlameSpriteWidget(sprite: widget.animation.getSprite(), center: widget.center); return FlameSpriteWidget(
sprite: widget.animation.getSprite(), center: widget.center);
} }
} }

3
lib/widgets/flame_sprite_widget.dart
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@ -28,7 +28,8 @@ class _FlameSpritePainer extends CustomPainter {
_FlameSpritePainer(this._sprite, this._center); _FlameSpritePainer(this._sprite, this._center);
@override @override
bool shouldRepaint(_FlameSpritePainer old) => old._sprite != _sprite || old._center != _center; bool shouldRepaint(_FlameSpritePainer old) =>
old._sprite != _sprite || old._center != _center;
@override @override
void paint(Canvas canvas, Size size) { void paint(Canvas canvas, Size size) {