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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