hi,

"Kima" <nomail@nomail> wrote:
> I need an if statement to check if two objects have any intersection. I assumed
> trace(a, b) should give false when there is no intersection, something like
>
>  #if ( trace(a,b) )
>    ....
>  #else
>    ....
>  #end
>
> but apparently, trace return a vector, when if statement needs a numeric
> expression.
>
> How can I check if two objects have any overlap in an if statement?

I guess you'd need to write a macro which takes the two objects and returns a
bool, true if the bounding boxes overlap (or whichever method you use to
determine "intersection").


regards, jr.

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