On Sun, Oct 4, 2009 at 9:05 AM, Erik Hofman wrote:
>
> Allright, the new sound system has been committed. The basics works as
> follow:
>
> There is one SoundMgr that handles multiple SoundGroup classes.
> Each SoundGroup class handles multiple SoundSample classes.
>
> A SoundSample class defines the properties of each individual sound like
> pitch, volume, position, orientation, sound cone paramters, etc. This
> class can be created all over the code but *has* to be assigned to a
> SampelGroup before you can hear it. Current sample groups are "atc",
> "avionics" and "fx" for the master airplane effects. The position of a
> SoundSample is relative to (0,0,0) of the model and hence relative to
> the base position of the SampleGroup.
>
> A SampleGroup class has to be assigned to the SoundManager to be heard
> and holds data of a group of samples (maybe 'sample cloud' might be a
> good description). This class has to be created for each individual
> model that can produce one or more sounds. The SampleGroup class can be
> altered by modifying it's volume, position and orientation.
> Repositioning this class also means repositioning all it's associated
> samples. Altering it's orientation also means repositioning the absolute
> (real world) position (and orientation) of the associated sound samples.
>
> The SoundMagaer can be repositioned which basically means moving the
> listener around. It's also possible to alter the listener orientation en
> velocity with this class, together with the master volume.
>
Hi Erik,
One quick question: will the sound configuration xml files need to change to
match the new system or will there be backwards compatibility?
Thanks,
Curt.
--
Curtis Olson: http://baron.flightgear.org/~curt/
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