motor, advance phase motion

snippet.dart

import 'package:motor/motor.dart';

final controller = PhaseMotionController<ButtonState, Offset>(
  motion: .smoothSpring(),
  vsync: this,
  converter: .offset,
  initialValue: .zero,
);

// Play a sequence
await controller.playSequence(buttonSequence);

// Check current state
if (controller.isPlayingSequence) {
  print('Current phase: ${controller.currentSequencePhase}');
  print('Progress: ${controller.sequenceProgress}');
}