public override IEnumerable <GloCommand> ToGloCommands(GloSequenceContext context)
{
// TO_DO handle repetitions of more than 255
var loop = new GloLoopCommand(_repetitions);
GloSequenceContext subContext = new GloSequenceContext(context.Track, loop);
subContext.Append(Children.Where(child => child.Tracks.Contains(context.Track)));
if (Duration > subContext.CurrentTime)
{
loop.Commands.Add(subContext.Advance(Duration - subContext.CurrentTime).AsCommand());
}
subContext.Advance(subContext.CurrentTime * (_repetitions - 1)); // fix internal time
subContext.Postprocess();
// advance main context
context.Advance(subContext.CurrentTime);
// TO_DO split loop when fractions are involved
yield return(loop);
}
