Wallpapers animation then it runs?

I’m just curious. If I cant see animation does it stop, or still consume CPU?

It looks like this features was planned by the developer:
http://translate.google.de/translate?hl=de&sl=pl&tl=en&u=http%3A%2F%2Fwww.jarzebski.pl%2Fprojekty%2Fdreamdesktop.html
If animated wallpapers become popular, we could also pick up the code and add this feature ourselves.