Many enhancements could be made to blobs, but another option
might be a second-order version of matrix... it would 
require 4^2 * 3 = 48 components, and would allow transformations
of the type 

x -> (1 - ay ) x
z -> (1 - ay ) z

... among many others.

The normal calculations of thus-transformed objects may
be a bit tricky, however...

Note: applying this to the blob object would be non-trivial
due to the objects fuzzy outer boundary.

Dan

Brian Westfall wrote:

>   One thing that Pov-ray doesn't seem to support is conic bloc componants

-- 
http://www.flash.net/~djconnel/

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