Thanks, yeah it is going to have some kind of downstream wake if I can manage
to add that.  CSG differencing away a hole didn't look good.
A close-up view of the interaction as it now is terrible too, you just don't
see it well in this yet.
It is a scaled up media-filled slice of the asteroid/ring intersection.  Pretty
simplistic except for the fact I have the scales, rotations and translations
all done first and yet the asteroid still passes through <0,0,0>.
One of those things that make me wish I could paint it in and not try to CSG my
way through.
Ring rotation is opposite direction of asteroid direction btw.

Bob H.

"Eric Andersen" <eri### [at] zerotensororg> wrote in message
news:3A6F5049.52647DDF@zerotensor.org...
>
> i see that the planet is rotating.
> I assume the ring rotates too,
> so as the rock goes through the ring,
> it should leave a wake or trail in the ring.
> perhaps you could add a media element attached to the
> asteroid that interacts with the media in the ring object
> downstream to create the effect.  Is that how you made the
> glow?  I really like how the leading edge glows bright.
> I imagine a particle method would
> work best for accurately simulating the ring,
>  but that would take years to render.
> Looks very slick anyhow.
> _______________________
> Eric Andersen
> eri### [at] zerotensororg
> http://zerotensor.org/
> _______________________

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