[openal] distance model questions

[Garin Hiebert]

You'll find detailed information (the formulas and graphs) on the distance
models in the OpenAL Specification and Reference linked at openal.org.
Correcting the panning situation that you describe is likely a matter of
setting the listener orientation, and once you look over the available
models it should be straightforward to get the desired behavior.

Regards,

Garin

On Sun, May 10, 2015 at 10:44 PM, Victorious <dtvictorious at gmail.com> wrote:

> Hi,
>
> I've trying to set up openal-soft so that sounds are played properly
> depending on my current coordinate system. For example, I'd like sounds
> which are a distance of 0.5 and below from the listener to appear as if
> they are centred in the stereo field. Right now, if the listener is at
> (3.9, 3.9, 0.0) and a sound source is at (4.0, 4.0, 0.0), it still appears
> to come fairly far from the right. Hence, moving right from that position
> to somewhere just right of that sound causes a quick panning of the sound
> from right to left which I don't want.
>
> I'm using the default inverse distance clamped model. From the openal
> specification, it looks like the parameters I need to set are
> AL_REFERENCE_DISTANCE and AL_MAX_DISTANCE. I cant to get the desired effect
> though, so any help will be greatly appreciated.
>
> On a related question, what does clamping do? And how does rolloff factor
> affect these calculations? i.e what does the default value of 1 mean?
>
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