1st Im spanish, I'm sorry about my english.
2nd I don't want to spam, but this is the only example I has found.
Ok,Im starting to use C2 and I trying to do a main menu for a game, this menu has a parallax effect in his background. The effect are https://www.warpportal.com/landing/ragnarok2/registration.aspx
Thank so much for your help ^^