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Honestly, I've had a lot of difficulty understanding exactly how that works.
When you use the trace command to return the "normal", what exactly is
being returned? And perhaps someone might provide a short example code of
how I might use that?
"Rune" <new### [at] runevision com> wrote:
> Kirk Andrews wrote:
> > I'm trying to use the trace command to plant grass on my Isosurface
> > landscape, but I don't want it to "grow" on steep grades. Is it
> > possible to use the slope pattern to control my distribution, or is
> > there another way to do this?
>
> You can't use the slope pattern for this, but the trace function can return
> a normal vector which you can evaluate directly, for example by using the
> y-component of the normal vector.
>
> Rune
> --
> http://runevision.com
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