In article <3c55df2e$1@news.povray.org>,
 "RAY" <PCH### [at] mindspringcom> wrote:

> Is there a way to test a macro against an entire scene? I need this for a
> collision detection macro I am trying to make, my current method is to use
> trace() to find the distance from the center of the sphere and test that
> against the radius, is there a better way?  Thanks for your time.

There is no way to do that...the scene isn't yet complete when you make 
the call, and may (and most likely does) depend on the results of the 
call.
You could accomplish the desired result by tracing each individual 
object, or by putting the objects in a union and using trace() on that.

-- 
Christopher James Huff <chr### [at] maccom>
POV-Ray TAG e-mail: chr### [at] tagpovrayorg
TAG web site: http://tag.povray.org/

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