Re: [Algorithms] Terrain performance comparrisons

[Pierre T. <p.t...@wa...>]

> If time is short, try Grek Snook's version in Games Programming Gems 2. It
> is startlingly simple, and gets you easily 90% of the benefit of any of
the
> other routines over having no LOD, and it's very quick. Because it is so
> simple (i.e. dumb) it works fine with dynamic terrains.

Going to try that ASAP.

> On the other hand, if you're talking localized craters and stuff like
> that,

Exactly.

> one approach would be to modify verts in memory, and remember
> where your craters are, so that when you re-load a chunk from disk,
> you can re-apply any vert mods.

Yes, that's what I wanted to do. I just wonder how it's going to scale when
there are craters all over the place. Hmm.

> There are some problems with this as well; e.g. if you drop a bomb
> onto a flat area, there may not be many verts there, so the crater
> would look bad.

I didn't even think of this ! Ok, seems like I'm in for the easier GPG2
solution then. (Not much time to investigate)

Thanks,

Pierre