I think there is way to do that and that.. when time reaches the highest value let $time-- and if it reaches the lowest value let $time++ I hope that is helpful
Wind, Item rotation or 'cloud effect' ... Thanks for your idea, i've already implemented something like this here : https://github.com/benda95280/Spherable/blob/master/src/Ad5001/Spherable/Main.php#L72 But i don't know if it's the right way, and it's not 'nice' to see ...