On Jan 4, 10:11=A0pm, Luc The Perverse
<ataylor_no_spa_am@[EMAIL PROTECTED]
> wrote:
> b...@[EMAIL PROTECTED]
wrote:
> > On Jan 4, 2:13 am, nat...@[EMAIL PROTECTED]
(Nathan Mates) wrote:
> >> In article
<785160de-8577-4950-9424-14e918870...@[EMAIL PROTECTED]
>,
>
> >> =A0<b...@[EMAIL PROTECTED]
> wrote:
> >>> I was just wondering if we're going to start seeing computer games
> >>> where the primitive is points rather than triangles.
> >> =A0 =A0You can do single-pixel points just fine in DirectX right now.
[=
I
> >> assume OpenGL is similar.] However, a huge screen (e.g. 1600x1200 or
> >> bigger) would need a lot of single points to be visible. There's also
> >> the problem that the hardware (graphics cards) tend to sup****t
> >> triangles *great* and everything else not so well. This is a "network
> >> effect" (seehttp://en.wikipedia.org/wiki/Network_effect)
where
> >> what's sup****ted well gets a lot more sup****t, and everything else
> >> gets ignored.
>
> >> =A0 =A0I suppose the bigger question is *why* would you think that
poin=
ts
> >> (maybe you mean spheres?) would look better?
>
> >> Nathan Mates
> >> --
> >> <*> Nathan Mates - personal webpagehttp://www.visi.com/~nathan/
> >> # Programmer at Pandemic Studios --http://www.pandemicstudios.com/
> >> # NOT speaking for Pandemic Studios. "Care not what the neighbors
> >> # think. What are the facts, and to how many decimal places?" -R.A.
Hei=
nlein
>
> > Points are just easier to work with. =A0You don't have to worry about
>
> > the complexities of closing meshes and such. =A0You could probably
make
>
> > a decent point model just from a 2d image of someone. =A0Doing that
> > with
>
> > meshes is a hassle.
>
> > Also, 3d laser scanning translates more naturally into point clouds.
>
> > Plus, points are closer to how it is in the real world.
>
> But . . . what happens if you zoom in? =A0Either your "point" has width
to=
> it in which case it is not a point at all, or eventually the target
> becomes see through
>
> --
> LTP
>
> :)- Hide quoted text -
>
> - Show quoted text -
You would want to choose a point density appropriate for the maximum
zoom level.
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