"Bill Hails" <bil### [at] europeyahoo-inccom> wrote in message
news:3f870b82@news.povray.org...
> Christopher James Huff wrote:
> >
> >> Secondly, what's the difference between looks_like and just putting a
> >> light source at the centre of an object and making the object
no_shadow?
> >
> > The looks_like object is shadowless to its light, but can cast shadows
> > from other lights. Otherwise, it behaves like any other object.

Well, I was about to go ahead and take it for granted that this is true. I
just had to see it for myself. I didn't find any shadows from other light
sources, whether the looks_like object is semi-transparent or opaque. Also,
only has self-shadowing on a per primitive basis too. In a union of sphere
and cone, for example, each doesn't cast a shadow onto  the other.

Bob H.

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