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LOD? #78352
06/17/06 23:15
06/17/06 23:15
Joined: Jul 2002
Posts: 857
Québec
Marky Mark Offline OP
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Marky Mark  Offline OP
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Joined: Jul 2002
Posts: 857
Québec
hi,

I have a huge outside level that is using a lot of fps when the camera is looking where there is alot of models.

I know LOD's can help to do the job, to increase fps, but I have so many models that I just want to know if theres another way to increase fps than to make lower poly models with _1 _2 _3 _4 etc.

Another thing is that my models should not have a lot of poly... I'm using simple cubes with skin to make a building... then when I look at the city, it lags very hard...

Any ideas?

Thanks!


Yeah! IE sucks, use Mozilla...
Marc Rémillard.
Re: LOD? [Re: Marky Mark] #78353
06/17/06 23:41
06/17/06 23:41
Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
ulillillia Offline
Senior Expert
ulillillia  Offline
Senior Expert

Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
LOD would have very little impact if you have 500+ visible models. I've done benchmarking experiments and found that, for 1000 visible entities, the frame rate is unbearable, even if just 3 vertices, 1 triangle each. What you need to do is combine your models so that they are between 2000 and 5000 polygons each for the best performance and greatest detail. In theory, my city world, of which has nearly 2400 buildings, could still render faster than 100 fps and I wasn't using LOD (but rather over 20,000 polygons and vertices - a bad thing to be doing).



This logarithmic graph tells how the frame rate is for the number of polygons against the rendering rate.


"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip My 2D game - release on Jun 13th; My tutorials
Re: LOD? [Re: ulillillia] #78354
06/18/06 00:35
06/18/06 00:35
Joined: Jul 2002
Posts: 857
Québec
Marky Mark Offline OP
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Marky Mark  Offline OP
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Joined: Jul 2002
Posts: 857
Québec
Very interesting, but i have some difficulties to understand... It started to Lag at 30 buildings... imagine now... Any suggestions for me?


Yeah! IE sucks, use Mozilla...
Marc Rémillard.
Re: LOD? [Re: Marky Mark] #78355
06/18/06 01:34
06/18/06 01:34
Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
ulillillia Offline
Senior Expert
ulillillia  Offline
Senior Expert

Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
Just 30? Although you should still be getting over 100 fps, the only two things I can come up with is that fps_max is rather low, or your buildings are high-poly. For 64 buildings at 10 polygons each, you should, theoretically, be getting at least 100 fps. Can you post a screenshot showing the debug panel? What is your frame rate (and other specs) when this occurs?


"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip My 2D game - release on Jun 13th; My tutorials
Re: LOD? [Re: ulillillia] #78356
06/18/06 03:36
06/18/06 03:36
Joined: Jul 2002
Posts: 857
Québec
Marky Mark Offline OP
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Marky Mark  Offline OP
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Joined: Jul 2002
Posts: 857
Québec
how do i access to this debug panel? sorry for this question -_-


Yeah! IE sucks, use Mozilla...
Marc Rémillard.
Re: LOD? [Re: Marky Mark] #78357
06/18/06 03:40
06/18/06 03:40
Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
ulillillia Offline
Senior Expert
ulillillia  Offline
Senior Expert

Joined: Feb 2003
Posts: 6,818
Minot, North Dakota, USA
When you start up the game, press the F11 key. The debug panel shows positions, visible entities, and many other useful things that can help. As for taking the screenshots, just upload the PNG, or JPG file to some place like imageshack or photobucket.


"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip My 2D game - release on Jun 13th; My tutorials
Re: LOD? [Re: ulillillia] #78358
06/18/06 03:44
06/18/06 03:44
Joined: Jul 2002
Posts: 857
Québec
Marky Mark Offline OP
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Marky Mark  Offline OP
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Joined: Jul 2002
Posts: 857
Québec
here it is




Yeah! IE sucks, use Mozilla...
Marc Rémillard.
Re: LOD? [Re: Marky Mark] #78359
06/18/06 04:34
06/18/06 04:34
Joined: Feb 2006
Posts: 371
New England
Rad_Daddy Offline
Senior Member
Rad_Daddy  Offline
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Joined: Feb 2006
Posts: 371
New England
out of curiosity, have you changed the nexus at all? I have expierenced FPS increases when I increas the nexus.


"Read not to contradict and confute, nor to find talk and discourse, but to weigh and consider." Sir Francis Bacon www.deckscapedesign.com
Re: LOD? [Re: Rad_Daddy] #78360
06/18/06 15:58
06/18/06 15:58
Joined: Jul 2002
Posts: 857
Québec
Marky Mark Offline OP
User
Marky Mark  Offline OP
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Joined: Jul 2002
Posts: 857
Québec
I increased it at 100


Yeah! IE sucks, use Mozilla...
Marc Rémillard.
Re: LOD? [Re: Marky Mark] #78361
06/18/06 18:37
06/18/06 18:37
Joined: Jul 2002
Posts: 857
Québec
Marky Mark Offline OP
User
Marky Mark  Offline OP
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Joined: Jul 2002
Posts: 857
Québec
any ideas ulillillia ?


Yeah! IE sucks, use Mozilla...
Marc Rémillard.
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