In article <395### [at] aolcom>, STB### [at] aolcom wrote:

> Hello. I was wondering if somebody knows if it is possible to add a new
> feature to the trace( ) command. I'm thinking of a new keyword that
> makes trace rocognize all the objects in a scene. The keyword would be
> placed like so:
> 
> trace( all_objects, Start, End, Nomal )
> 
> The feature would make it possible to create objects which fall from a
> location and stack on each other. I hope it is possible, thanks for
> reading :)

This isn't possible. How would you trace against an object that depends 
on the call to trace? And what about other objects that haven't been 
created yet? Etc...
Having it only trace objects already created might be possible, but 
would be a real headache to debug scenes using this option, and wouldn't 
really be that useful.
The best solution is usually to use a union of all the objects you want 
to trace against as the target object.

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/

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