- From: Karl Tomlinson <karlt+public-audio@karlt.net>
- Date: Mon, 16 Sep 2013 16:42:07 +1200
- To: public-audio@w3.org
On Wed, 28 Aug 2013 12:35:53 -0400, Ehsan Akhgari wrote: > On Sun, Aug 25, 2013 at 10:27 PM, Robert O'Callahan wrote: > >> On Mon, Aug 26, 2013 at 11:37 AM, Karl Tomlinson wrote >> >>> Would it make sense to have setOrientation() throw an exception if >>> any the vectors are zero or otherwise linearly dependent? >>> >>> It is not possible to determine appropriate panning parameters in >>> these situations, and the azimuth and elevation from the >>> calculation in [1] become undefined because an attempt is made to >>> normalize a zero vector. >>> >>> If the orientation is not known, then I think it would be better >>> to retain the previous orientation than to suddenly change to some >>> default orientation. Throwing an exception seems the appropriate >>> way to indicate that a setter method was not successful in >>> changing anything. >> >> With 2D canvas we decided it was better to not throw for singularities >> because you don't want to break the application when it's doing some >> animation that passes through a singularity. I think the same logic applies >> here. So I suggest just silently ignoring the setOrientation call. > > That makes sense to me. Sounds good to me too, thanks. I've done this for AudioListener in Gecko. I see now that the behaviour for PannerNode cone gain with a zero orientation vector is specified as 1 in all directions, so I've kept that specified behaviour.
Received on Monday, 16 September 2013 04:43:23 UTC