Ah yes, this problem again. I don't remember exactly why it happens, but I wrote a controller in Tiger that can solve this problem. It may need some repairing for the upgrade to Leopard, but nonetheless it is attached. Basically, it checks the depth of each object, and turns out the appropriate sprite so that each object is in front of eachother as they should be. If you have any questions about anything about it, shoot me an email.

Attachment: alpha fix.qtz
Description: application/quartzcomposer


Namaste,
Karan
Karan "The Architect" Lyons: Web Design & Development at Geek Ramblings | Student | Omnigeek contact | email: [EMAIL PROTECTED]| cell: 857-544-9527 | skype: taoofkaran | aim: taoofkaran



On Jan 11, 2008, at 1:41 PM, Charles Mangin wrote:

this may be a newbie question, but what exactly is going on in this composition?

<rotating candles.qtz>

i have two sprites rotating in space, and they're stacking nicely - one sprite is clearly in front, and shows the one behind through its transparent parts. the other one, though, is on a higher rendering layer, and doesn't show the other sprite through its transparent parts.

i imagine i'm missing something fundamental about "depth testing" and sprites, but i've played around a bit and haven't found a magic bullet yet.

any help from the more advanced would be greatly appreciated.

note: i'm running Tiger.




charles mangin | Alpha Geek and Chief Mental Hygienist
[EMAIL PROTECTED]
http://mentalhygiene.com


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