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This is fantastic. I've been kicking around the idea of doing a certain
scene with draped cloth for quite some time, but never gave it much thought
because I knew the cloth would be pretty challenging, probably TOO
challenging for me. Therefore I want to encourage you - you're doing great!
It looks like for the first 1/3 of the animation the cloth is actually
stretching to cover the sphere. Or maybe that's what you mean by the vacuum
effect. At any rate, the final appearance is very convincing.
Regards,
Dave
"Michael Langton" <mla### [at] hotmail com> wrote in message
news:l5knissqgr484uronlseb2i00e18j25i8e@4ax.com...
> Hi.
> Over the last few weeks I've been working on some cloth simulation
> using Hugo Elias' method:
> http://freespace.virgin.net/hugo.elias/
> After seeing the cloth related discussion in pbi, I thought I'd post a
> sample of where I've got up to.
> The actual simulation was done in a C++ program (I did try a
> pov-script one but have now left that for the 5000%+ speedup that
> compiled code gave me...). The cloth here is a 50x50 grid, with each
> square split into two smooth_triangles based on maximum surface area.
> On the left near the end of the animation you can see my current
> problem - the jagged edges to the shadows caused by it still being
> made of triangles under those nice curves. I've been wondering
> whether to do it with bicubic_patches instead, but that'll kill my
> nice fast render times (7-8s per 400x300 antialiased frame on a PIII
> 600).
> There is no randomness in this at all currently, hence the
> super-symmetricality of it (it's not quite, actually, because it's not
> centred exactly on the sphere), and the fact that it looks like it's
> falling through a vacuum.
> Well, that's probably enough rambling...comments welcome.
>
> -- Michael Langton (first post here, BTW)
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