"jr" <cre### [at] gmailcom> wrote:
> hi,
>
> "Bald Eagle" <cre### [at] netscapenet> wrote:
> > www.oocities.org/ccolefax/download/truss.zip
>
> tried the included demo scene.  after adding semicolons in various places to
> make it work with v3.8, I now get an error:
>
> File 'truss_c.inc' line 47: Parse Error: Domain error in atan2!
>
> no idea why.
>
>
> regards, jr.

That happens when both arguments are 0.

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