Geometry Boost List: [ggl] Efficient rotation about a point

Subject: [ggl] Efficient rotation about a point
From: Lee (lee)
Date: 2009-11-29 13:43:09

Hi,

What is the best way (in terms of efficacy) to rotate a ring about a 
point in GGL?
Looking at GGL it seems right now to require three separate passes over 
the point
data: -translate/rotate/+translate. Can't this be done in some kind of 
single pass
'rotate_about_transformer'?