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Doom 3 Downloads > Mods > Graphical Tweaks:
Chromatic Dispersion Special FX
Filename: dispersion.zip


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 920.26 KB
TheRealSceneGraphManager
2454
12-15-2007
Mods > Graphical Tweaks


Average User Rating: 8.8
Number of Votes: 11
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Chromatic Dispersion Special FX - File Description  


Description:
TheRealSceneGraphManager got a little bored, and instead of letting his idle hands get him into trouble, he chose to put them to work for the benefit of the Doom3 community! This mod will tweak your graphics in such a way, that new aspects are brought into the Doom cyber-universe, essentially, it will make some changes to the heat haze fragment programs, or pixel shaders, in order to simulate the effects of chromatic dispersion; If you're not sure what this is, then read on: "It's the faint rainbow-y effect you get whenever light is bent somehow, usually through glass and the like. Drastic changes in air temperature also fiddle with how light gets absorbed, which is why you get that 'bendy' effect above a fire and the reasoning behind bullet trails in those kinds of movies/games. Anyways, as you may have learned in physics classes, (if you've taken them) not all wavelengths/colors are bent the same way. In fact, the different bands kind of fan out, resulting in the rainbow effect."

This mod is definately worth the price of a free download if you're in the market for a new twist on a graphical tweak for this game, Chromatic Dispersion Special FX delivers some extraordinary visual eye candy that will change the face of your gaming experience!



Refer to the readme for more information.


Chromatic Dispersion Special FX - Screenshots  
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Chromatic Dispersion Special FX - File Download Options  

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Chromatic Dispersion Special FX - Readme  
Readme File:
TheRealSceneGraphManager's Chromatic Dispersion Special FX

I got bored one afternoon/evening/early morning (in other words, business as usual whenever I make random mods like this)
and thought it would be kinda cool to port some of the effects from Crysis and the real world into other games such as
Oblivion and Doom 3. This particular piece of work makes some changes to the heat haze fragment programs (or pixel shaders,
if you're a DirectX nut like myself) in order to simulate the effects of chromatic dispersion. What is this, you ask? It's
the faint rainbow-y effect you get whenever light is bent somehow, usually through glass and the like. Drastic changes in
air temperature also fiddle with how light gets absorbed, which is why you get that 'bendy' effect above a fire and the
reasoning behind bullet trails in those kinds of movies/games. Anyways, as you may have learned in physics classes,
(if you've taken them) not all wavelengths/colors are bent the same way. In fact, the different bands kind of fan out,
resulting in the rainbow effect. That's all there is to it. While the inspiration for this is physically-based, this
implementation is not, and you only get three bands in red, green and blue. The amount of math required to procedurally
generate a perfect representation of this is most definitely not available on today's hardware, so for now we'll have to
settle for an approximation. It still looks cool, though ;)

Installation:
Drop the glprogs.pk4 file into your base directory, and let it sit there for all eternity. Alternately, you can just extract
the contents of said archive into whatever mod folder you desire. (or just drop the .pk4 in, whatever floats your boat)
If there doesn't appear to be any effect around fireballs, flaming/smoking pipes and tubing, fires, etc. then try the extraction thing.

Uninstallation:
Remove the glprogs.pk4 file, or, if you extracted it, delete the HeatHaze_.vfp files inside the glprogs/ directory of the mod folder.

Compatibility:
Should work with anything and everything. This is the only mod I've ever seen or heard of that messes with these particular files.

Performance Notes:
This is pretty thoroughly optimized (it's been simplified to literally four more instructions than the default effect) so it's pretty much
a non-issue. That being said, I have a GeForce 7900GTX and what's insignificant for me might be a bit more performance-hungry on older hardware.
You have *no* excuse not to use this mod :D

External Usage:
Feel free to add on, modify, or include this stuff in your mods. I only ask that you give me credit for the original shader.


Chromatic Dispersion Special FX - User Comments  
The following comments are owned by the user that posted them. Doom 3 Files is not responsible for their content.

Total comments: 30 | Last comment: 02-09-2008 at 10:47

Click the Expand symbol to expand all comments (view full comments)

 Expand#1 - Posted by: annatar_1 (Member) - 12-15-2007 at 18:57

 Expand#2 - okay now - Posted by: annatar_1 (Member) - 12-15-2007 at 18:57

 Expand#3 - Posted by: damianweasly (Member) - 12-15-2007 at 20:29

 Expand#4 - Downloading now ! - Posted by: dafama2k7 (Member) - 12-16-2007 at 02:44

 Expand#5 - Hey, RealScene !!! - Posted by: dafama2k7 (Member) - 12-16-2007 at 03:15

 Expand#6 - Hey, the heathaze.vfp is too much, needs 1.002, in my opinion ! - Posted by: dafama2k7 (Member) - 12-16-2007 at 04:21

 Expand#7 - Looks good - Posted by: TheEmpire5 (Member) - 12-16-2007 at 09:09

 Expand#8 - Posted by: TheRealSceneGraphManager (Member) - 12-16-2007 at 14:09

 Expand#9 - Looks great !!! - Posted by: dafama2k7 (Member) - 12-17-2007 at 00:21

 Expand#10 - Posted by: Gunman_Productions (Member) - 12-17-2007 at 14:46

 Expand#11 - Posted by: ShadowDancer88 (Member) - 12-17-2007 at 18:10

 Expand#12 - Posted by: Byronatron (Member) - 12-17-2007 at 21:18

 Expand#13 - I have tried that shader with my new BH NG last unpublished version ! - Posted by: dafama2k7 (Member) - 12-18-2007 at 15:40

 Expand#14 - @ BH problems-- - Posted by: TheRealSceneGraphManager (Member) - 12-18-2007 at 17:13

 Expand#15 - Posted by: ShadowDancer88 (Member) - 12-18-2007 at 17:52

 Expand#16 - Posted by: Byronatron (Member) - 12-18-2007 at 18:06

 Expand#17 - Do NOT use beta drivers ! - Posted by: dafama2k7 (Member) - 12-18-2007 at 23:09

 Expand#18 - Posted by: ShadowDancer88 (Member) - 12-19-2007 at 13:45

 Expand#19 - What version of Brilliant Highlights are you using ? - Posted by: dafama2k7 (Member) - 12-19-2007 at 13:56

 Expand#20 - Drivers-- - Posted by: TheRealSceneGraphManager (Member) - 12-19-2007 at 15:42

 Expand#21 - Posted by: Saducimus (Member) - 12-19-2007 at 18:02

 Expand#22 - Posted by: ShadowDancer88 (Member) - 12-20-2007 at 05:37

 Expand#23 - could be good - Posted by: antedriag (Member) - 12-22-2007 at 00:56

 Expand#24 - Posted by: Saducimus (Member) - 12-22-2007 at 15:47

 Expand#25 - Please fix the green bar! - Posted by: Langenscheiss (Member) - 01-04-2008 at 14:26

 Expand#26 - Posted by: Nemesis6 (Member) - 01-09-2008 at 01:50

 Expand#27 - Yes, it can be possible ! - Posted by: dafama2k7 (Member) - 01-09-2008 at 11:31

 Expand#28 - Not bad.... - Posted by: SneaksieGarrett (Member) - 01-19-2008 at 12:21

 Expand#29 - Nope, i think the effects of this mod are very noticiable !!! - Posted by: dafama2k7 (Member) - 02-06-2008 at 01:56

 Expand#30 - Hey, TheRealSceneGraphManager !!! - Posted by: dafama2k7 (Member) - 02-09-2008 at 10:47


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