i am using scml files for my pick ups as well (coins,power ups etc).
my game is starting to slow down the more coins i add(100+). the question is ,are spriter files "treated" the same way as normal sprites meaning when they are off screen they are not drawn or the computer has to calculate them even if they are off screen and thus the slowdown?
what is the best way to use scml files performance wise ?
No matter how optimized spriter playback (or any modular/bone animation system) becomes, I'd always opt to "bake out" animations of small items like coins(...especially where there could be hundreds in the level or on-screen...) To sequential png images and then just use normal C2 Sprites for those objects. Its not the sprite drawing that will kill your frame rate, think of all the tweening math going on, per sprite, per bone, per object.
That asside, Like I mentioned in a previous post somewhere, we do have plans for some very nice tricks/features on the spriter side to help game makers have more choices and optimizations per animated object on the screen...but that will almost surely not happen until after the initial release of Spriter Pro 1.0
Mike at BrashMonkey