I know the filters are built in to the player, but does this mean there
really isn't much performance issues at all? Has anyone seen any online
test
results from such things?
I don't have numbers because I haven't done tests for performance with
the objective of getting numbers, but the filters do hit the processor
pretty hard. As a general rule, if you have a bunch of objects and you want
drop shadows on them all, it is more efficient to take a snapshot of them
all as a BitmapData on every frame and apply the shadow filter to the bitmap
than it is to apply a shadow to each object or to apply the shadow to a
parent/container object.
Basically, the more filters you use, the more noticable the performance
hit will be, so just try not to layer too many of them or use too many
instances. Instead, try to combine objects that need similar effects and
apply filters to them all at once.
ryanm
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