Warp wrote:

>   You asked how to rotate a vector <0, r, 0> so that it ends up
> pointing at the same direction as a vector A. That's precisely what
> the Point_At_Trans() macro does.
> 
>   (Or, more precisely, the Point_At_Trans() macro creates a transformation
> which you can use in an object or to modify a vector using vtransform).
> 
Okay, so I'm stupid.  :)  Thanks for the assist.

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