What I've noticed is that the messages with attachments usually are much
larger than the attachment itself... mmmh. :/




news:3bf5f624@news.povray.org...
> Not actually what I had in mind, but it is at least a step forward in the
> development of my liquid simulation theory :)
>
> It may not be very clear what type of surface I'm using. It is a
paraboloid,
> and the camera is looking towards somewhere near the focus of the
> paraboloid.
>
> I know it is still far from Rune's or JRG's beautiful liquid animations,
but
> I feel like I'm making progress.
>
> One of my most difficult problems was the calculation of the distance from
> the particle to the surface, to know if the particle has to bounce. I had
to
> implement a Newton-like algorithm to know such distance for each particle.
> For this paraboloid I know it works ok, but for more complex surfaces
(such
> as those I have in mind!), specially nonconvex surfaces, I don't know if
it
> would work.
>
> I've programmed the simulation program in Matlab6, because it is so easy
to
> work with vectors and matrices in Matlab! But I was surprised to see that
it
> took much more time to simulate the motion than rendering the scenes!!!
>
> I also have some problems setting the values of the blobs... I've tinkered
> with lots of values and I just don't feel like I've reach the "sweet"
point.
>
> I'm eager to read your comments.
>
> Fernando.
>
> ps. Probably I will leave the computer overnight rendering a similar
> environment but with much more blobs!
>
>
>

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