[Openal] GL and AL coordinates different?

Garin Hiebert garinh at cheesetoast.net
Tue Apr 5 12:02:10 PDT 2005


Since the difference (outside of the source direction) between case #1 
and case #2 is purely in the graphics rendering, then the issue is most 
probably with the graphics rendering.  Unfortunately, I'm not enough of 
a GL-whiz to be able to see the problem myself -- hopefully someone 
else on the list will see the issue.

With regard to sound cones, support may depend on which platform you 
are running on -- I think most platforms have it, but maybe the one you 
are using doesn't...  You can also do some audio testing independent of 
the graphics by grabbing the AL source off of opensource.creative.com 
(instructions on www.openal.org/downloads.html) and trying out the 
"altest" command-line test tool (openal/demos/altest).  There is a test 
in there for sound cones as well as all the other individual features 
of OpenAL -- quick modifications of this program can be very helpful in 
diagnosing stuff like this, because you can plug in values from your 
own program and see what happens.

Garin




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