Looks useful for certain types of HF. Bit worried about the extra memory
use.

Mick

"Christoph Hormann" <Chr### [at] schunteretctu-bsde> wrote in
message news:39F14FA8.6CE74FFD@schunter.etc.tu-bs.de...
>
>
> John VanSickle wrote:
> [...]
> >
> > I have posted some code that demonstrates this method, and an MPG
> > animation of it, in p.t.s-f and p.b.a.
> >
> > So, what do you think?
> >
>
> I just checked it out with a larger array (128x128):
>
> 15384 objects
> 33 Mb memory use
> parse: 36 seconds
> trace: 11 seconds
>
> compared to conventional heightfield:
>
> 290 Kb memory use
> parse: 0 seconds
> trace: 6 seconds
>
> it seems your construction is incredibly fast in trace, the rest is worse
of
> course, but anyway it's a very interesting idea.
>
> It's probably very useful if you need a perfectly smooth heightfield
surface for
> example when it's reflective or when the camera is very near to the
surface at
> one point.
>
> Christoph
>
> --
> Christoph Hormann <chr### [at] gmxde>
> Homepage: http://www.schunter.etc.tu-bs.de/~chris/

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