Some questions about the engine

I_Wonder · Post by **I_Wonder** » Thu Jan 05, 2006 9:09 pm

(Sorry for my bad English)
im a noob, and i have always wanted to make a game.
Looking fo a good open source engine i ended up with Irrlicht.
many things looked good (espesially per pixel lighning)

Q1: is there a recomended polylimit on models? cos i've seen the screenshots on the page, and those were really lopoly!

Q2: is it possible to play back .avi (or other formats)

don't remember any more i wonder about...

MikeR · Post by **MikeR** » Thu Jan 05, 2006 9:24 pm

These questions have been asked. Recently even.
Please use the search function. That's what it's there for.

I_Wonder · Post by **I_Wonder** » Thu Jan 05, 2006 9:43 pm

OK, sorry

dhenton9000 · Post by **dhenton9000** » Thu Jan 05, 2006 10:14 pm

The wiki (irrforge.org) has a class for playing avi via DirectShow, designed for irrlicht. Windows only.

As for the recommend poly limit, who knows? I'm at 50K and running at 90 fps, but god only knows what I'm doing wrong. I can say that you will have to do a LOT of polygon modeling before you freak this thing out.

Conquistador · Post by **Conquistador** » Thu Jan 05, 2006 10:37 pm

Irrlicht uses 16 bit indicies, which only allows you to have a max of 65,535 polys. I could be wrong, so don't hold me on that.

Guest · Post by **Guest** » Fri Jan 06, 2006 9:46 am

For an average scene 20,000 polys max in view at once is a good standard (to be useable on older machines) thi is of course dependent on many other factors so the best thing to do is just experiment with the lowest spec of your target hardware and see how it goes.

I_Wonder_no_more · Post by **I_Wonder_no_more** » Fri Jan 06, 2006 2:13 pm

THANKS

then i will be using Irrlicht for my project

Xaron · Post by **Xaron** » Fri Jan 06, 2006 4:40 pm

Just a note: Conquistador has mentioned that Irrlicht uses 16bit indices which limits to 65k vertices. Of course you can change this to 32bit or just use IrrSpintz (search for it) which contains a lot of bug fixes and great modifications.

Regards - Xaron

Dotten · Post by **Dotten** » Wed Jan 11, 2006 9:24 am

Me again, is it possible to add menues in Irrlicht???

pfo · Post by **pfo** » Wed Jan 11, 2006 5:45 pm

Me again, is it possible to add menues in Irrlicht???

Does the mesh viewer demo not have menus?

Guest · Post by **Guest** » Thu Feb 02, 2006 8:45 pm

Curious question, I'm wanting to experiment with a character mod that is 9000 poly with normal map and etc. .... but wait hmmm I may experiment with something, I like the switching to 32 bit or using IrrSpintz recommended by Xaron, I've got alot of work ahead, any further input on poly counts and links?, ( I did do a search and found this

)

pfo · Post by **pfo** » Thu Feb 02, 2006 9:13 pm

any further input on poly counts

Here's a tip: polycount is a misnomer. Several years ago it was a good benchmark of 3d engine performance. Nowadays it's not the most important thing. Polycount does matter, but it matters in combination with how many materials are being used, and how complex those materials are to render. Another factor is how many groups of a material their are. During rendering, when it draws a different material for an object, it has to change states and this can be expensive. The less often you change states, and the less complex materials you have, the more polygons you can use. If you want lots of polygons, use cheaper materials, but then a few more expensive materials could be more beneficial than more polys with cheaper materials.

Guest · Post by **Guest** » Fri Feb 03, 2006 4:20 pm

Thanks, I gotcha on that one, I'll think I'll just demo on the technology for next gen demos, I have a setup for it but I may have to re-configure some things

I want to demo single character on one scene at high poly, with character control, I think I can do it, I keep seeing other games thoe FPS, I will have to change some things for thrid person, I believe this engine has alot of ability

Thanks for the tip info