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****PLEASE READ BEFORE USE!**** HOW THIS ENGINE WORKS: Basically, XsV and YsV handle scrolling.Mode can make it zoom out. NOW WITH COLLISION: I've made it so if the cat collides with the ground sprite, then I make the cat move backwards. Paired up with a platforming engine and a couple of new ground costumes, you've got a perfect game! Also good for world maps. It's still a little glichy with the collisions, but other than that it's done. Use with credit.
