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-   -   New Demo: Heat Haze (http://www.nvnews.net/vbulletin/showthread.php?t=50164)

Abba Zabba 05-05-05 08:07 PM

New Demo: Heat Haze
 
This demo written in OpenGL simulates a heat haze effect through several render to texture passes and a set of GLSL shaders and ARB programs.

It defaults to FBOs to do the offscreen rendering, however if your current driver doesn't support them, there is a fall back to using the good old glCopyTexImage2D function.

Enjoy :)

http://www.realityflux.com/abba/C++/...e/HeatHaze.jpg
Binaries
Source
Engine source

OWA 05-05-05 10:13 PM

Re: New Demo: Heat Haze
 
Looks really good, especially when zoomed out.

Edit: Also, the screenshots don't do it justice. Running, it looks very realistic.

Abba Zabba 05-05-05 10:26 PM

Re: New Demo: Heat Haze
 
Very glad your "picky" driver didn't complain this time around :)
BTW in a previous thread, you mentioned that Stained Shadows won't work on your machine, correct? If so, are you still interested in running it? I might convert the High level shaders into regular assembly which will load faster and will most definitely run on any set of DX9.0 drivers.

OWA 05-05-05 10:32 PM

Re: New Demo: Heat Haze
 
Actually, I started using the 76.44s again since all the demos work well with them. :)

DenDiesel 05-06-05 09:53 AM

Re: New Demo: Heat Haze
 
May be I'm wrong, but I guess this demo looks very similar to http://frustum.org/3d/index.php?demo=19

Sazar 05-06-05 09:58 AM

Re: New Demo: Heat Haze
 
It does den, yer right.

Looks exactly the same cept for the heat haze and some of the other features.

OWA 05-06-05 10:14 AM

Re: New Demo: Heat Haze
 
So? They both look like they're using the skull from the DX9 sdk so what's your point?

If you check the Fx composer utility on the nvidia website, you'll also see they have demos using the same skull.

Abba Zabba 05-06-05 10:28 AM

Re: New Demo: Heat Haze
 
Quote:

Originally Posted by DenDiesel
May be I'm wrong, but I guess this demo looks very similar to http://frustum.org/3d/index.php?demo=19

Yup, as far as I can see we both use the same skull model and that's as far as similarity gets.

I came up with the heat haze algorithm and shaders on my own, the marble texture was found using a google search "marble texture". (google)

Sazar 05-06-05 10:29 AM

Re: New Demo: Heat Haze
 
Ah, so thats where it's from.

I was wondering coz I've seen it elsewhere before :D

Abba Zabba 05-06-05 10:30 AM

Re: New Demo: Heat Haze
 
Maybe I should add another particle source in the skull mouth too :D

Abba Zabba 05-06-05 03:40 PM

Re: New Demo: Heat Haze
 
Fixed an annoying bug that showed up on ATI boards and improved the flames look a lot :)
New binaries posted.

http://www.realityflux.com/abba/C++/.../HeatHaze2.jpg

OWA 05-06-05 03:45 PM

Re: New Demo: Heat Haze
 
Did you change the color of the marble texture also?


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