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Merge pull request #126 from rive-app/simplify_controllers

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Simplifies simple controller
This commit is contained in:
Matt Sullivan
2021-06-14 17:46:25 -07:00
committed by GitHub
parent 4ef8d32a93 a8e27e3ef8
commit e589a121d6
3 changed files with 15 additions and 41 deletions
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21
example/lib/custom_controller.dart
View File

@ -28,30 +28,19 @@ class SpeedyAnimation extends StatelessWidget {
class SpeedController extends SimpleAnimation {
final double speedMultiplier;
/// Stops the animation on the next apply
bool _stopOnNextApply = false;
SpeedController(
String animationName, {
double mix = 1,
this.speedMultiplier = 1,
}) : super(
animationName,
mix: mix,
);
}) : super(animationName, mix: mix);
@override
void apply(RuntimeArtboard artboard, double elapsedSeconds) {
if (_stopOnNextApply || instance == null) {
if (instance == null || !instance!.keepGoing) {
isActive = false;
}
instance!.animation.apply(instance!.time, coreContext: artboard, mix: mix);
if (!instance!.advance(elapsedSeconds * speedMultiplier)) {
_stopOnNextApply = true;
instance!
..animation.apply(instance!.time, coreContext: artboard, mix: mix)
..advance(elapsedSeconds * speedMultiplier);
}
}
@override
void onActivate() => _stopOnNextApply = false;
}

2
example/lib/play_one_shot_animation.dart
View File

@ -44,7 +44,7 @@ class _PlayOneShotAnimationState extends State<PlayOneShotAnimation> {
floatingActionButton: FloatingActionButton(
// disable the button while playing the animation
onPressed: () => _isPlaying ? null : _controller.isActive = true,
tooltip: 'Play',
tooltip: 'Bounce',
child: const Icon(Icons.arrow_upward),
),
);

33
lib/src/controllers/simple_controller.dart
View File

@ -20,9 +20,6 @@ class SimpleAnimation extends RiveAnimationController<RuntimeArtboard> {
/// Animation name
final String animationName;
/// Stops the animation on the next apply
bool _stopOnNextApply = false;
/// Pauses the animation when it's created
final bool autoplay;
@ -39,21 +36,19 @@ class SimpleAnimation extends RiveAnimationController<RuntimeArtboard> {
@override
void apply(RuntimeArtboard artboard, double elapsedSeconds) {
if (_stopOnNextApply || _instance == null) {
if (_instance == null || !_instance!.keepGoing) {
isActive = false;
}
// We apply before advancing. So we want to stop rendering only once the
// last advanced frame has been applied. This means tracking when the last
// last advanced frame has been applied. This means knowing when the last
// frame is advanced, ensuring the next apply happens, and then finally
// stopping playback. We do this by tracking _stopOnNextApply making sure to
// reset it when the controller is re-activated. Fixes #28 and should help
// with issues #51 and #56.
_instance!.animation
.apply(_instance!.time, coreContext: artboard, mix: mix);
if (!_instance!.advance(elapsedSeconds)) {
_stopOnNextApply = true;
}
// stopping playback. We do this with keepGoing as this will be true of a
// one-shot has passed its stop time. Fixes #28 and should help with issues
// #51 and #56.
_instance!
..animation.apply(_instance!.time, coreContext: artboard, mix: mix)
..advance(elapsedSeconds);
}
@override
@ -63,16 +58,6 @@ class SimpleAnimation extends RiveAnimationController<RuntimeArtboard> {
return _instance != null;
}
@override
void onActivate() {
// We override onActivate to reset stopOnNextApply. This ensures that when
// the controller is re-activated after stopping, it doesn't prematurely
// stop itself.
_stopOnNextApply = false;
}
/// Resets the animation back to it's starting time position
void reset() {
_instance?.reset();
}
void reset() => _instance?.reset();
}