Objects removed at any key
frame therefore should be eligible for garbage collection, assuming no event
listeners or other code created a reference to them.
Yes.
Another problem is: even if no listener or code references to these
objects, they continue "playing" when they are removed by a blank
keyframe. "playing" means that if the playhead was in play mode, the
playhead continues playing, possibly triggering sounds, scripts, etc... :(
It seems that as3 dev team just forgot what a blank keyframe is.
I'm interested in the topic of "removeMovieClip" in as3, because it's a
convenient use of the timeline, but I didn't take time to establish best
practices about it.
However here are some tracks or tips:
- listen to REMOVED_FROM_STAGE at the top of display list. When an
object is removed, "stop" it.
- add complex behaviors to displayObjects (such as listeners, sounds,
timers, etc..) using a "safe" API. That is: when you add something new
(for example A) to displayObject B, you listen B's REMOVED_FROM_STAGE to
"dispose" A.
I don't want to use a IDisposable interface everywhere. Probably I will
use a more brutal approach with a function similar to
http://blog.gludion.com/2008/11/script-code-test.html (sorry it's in
french but the script is quite self-explanatory).
I anyone has other ideas, don't hesitate to share ;)
--
Olivier Besson (gludion) - (33 1) 44 64 78 99
http://www.gludion.com
http://blog.gludion.com
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