onUpdate method

@override void onUpdate(double dt)

Override to react during the update phase each frame.

Called after all registered listenOnUpdate listeners.

Implementation

@override
void onUpdate(double dt) {
  if (_tweens.isEmpty) return;

  for (final tw in _tweens) {
    tw.tick(target, dt);
  }

  if (!_completedFired && isComplete) {
    _completedFired = true;
    for (final cb in _onCompleteCallbacks) {
      cb();
    }
  }
}