[sldev] visual muting

[Mike Monkowski]

Dave Parks wrote:
> I just finished visual muting for avatars using impostors (muting an 
> avatar strips them of attachments and renders them as a solid grey 
> silhouetted impostor that only updates every 16 frames).

Why avatar impostors instead of LOD?  It looks like LOD processing is 
already there and it's just a matter of tuning it.  Given the rather 
ugly appearance of imposters, there must be some advantage.

Mike