I'm too lazy to open Flex right now ( I'm as2 boy atm ), but this is in there:

http://blog.gamingyourway.com/PermaL...2742edbb1.aspx

I think there were "faster" sqrt's in there that I need to remove ( After running these tests:
http://blog.gamingyourway.com/PermaL...631745ba5.aspx
), if there's anything else worth sharing I'll post it back here.

Squize.