onPush method

@override void onPush({ double? fadeLength, })

What should happen when this level is pushed into a level stack.

If fadeLength is not null, then music and all ambiances will be faded in.

Implementation

@override
void onPush({final double? fadeLength}) {
  super.onPush(fadeLength: fadeLength);
  _sound = game.outputMessage(
    message,
    soundChannel: soundChannel,
    oldSound: _sound,
  );
  final d = duration;
  if (d != null) {
    onDoneTask = game.callAfter(runAfter: d, func: onDone);
  }
}