Thank you for the replies! Ok, I will make the rotation of the player faster, it is indeed too slow.
Yes, it is a problem to make the different layers distinguishable that I could not solve yet. We could increase the distance between them but if someone has a better idea then feel free to say it.
"Falls das Resultat nicht einfach nur dermassen gut aussieht, sollten Sie nochmal von vorn anfangen..." - Manual