Thanks! Now it makes sense. I had totally missed that bit.



> On Wed, 20 Feb 2002 16:39:42 +0200, "Klaus Lehtonen"
<leh### [at] hotmailcom>
> wrote:
> >   #local ending = <placex,-100,placez>;
> >   #local place = trace(thing,start,ending,norm);
>
> third parameter of trace is value of direction vector,
> not ending point of direction vector
>
> I suppose You want:
> #local ending = <0,-1,0>;
>
> change to this and check again your script
>
> ABX

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