fogproblem

(Wezelkrozum) #1

I’ve created a brush with fog and a globalfog.
The brush is water and is sometimes visible on the players even if they never been in the waterfog. So that’s weird. All kind of combinations are visible and it’s very irritating for the player himself. He will be more visible then other players.

Here is a screenshot of the combinations which i saw:

And here is the schader of the fogtexture I use:


textures/wezelkrozum_color_arena/water_fog1
{
	qer_editorimage textures/sfx/fog_grey1.tga

	surfaceparm water // (// or not doesn't change anything)

	surfaceparm nodraw
	surfaceparm nonsolid
	surfaceparm trans
	surfaceparm fog

	fogparms ( 0.25 0.3 0.4 ) 384
}

I think it must be fixable in the shader but I don’t know which command I must delete or type in it. Somebody has this before?

(C) #2

Somebody has this before?
Yes, i have seen it before…in one of my fog-experiments…
I was not able to get rid of the visual effect… (and i tried a lot of things to solve it).

Unfortunately i cannot help You out with this, but since You had no replies on Your post yet, i just wanted to let You know there are more people who have seen it…

There are more maps with this volumetric fog (“fog in a brush”…so to speak), that have the same “problem”…
Like Venice, MLB’s (Desert) Temple…

(carnage) #3

this is a know issue

this was not actuly an issue in the original realse of ET but in a patch they optimised the way fog is drawn, this was not noticable on the stock maps as they only use global fog however on custom maps that use volumetric fog you can see the bug

AKAIK there isnt a solution to this problem however i have a suspicion that the render may use portals to determine what should have fog drawn on it. you could try making sure the fog brush is totaly enclosed in its own portal

(ubeatyggo) #4

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(Wezelkrozum) #5

I think i’m going to delete the fogbrush.

(C) #6

carnage made a good point there…
it makes sense that the fog is related to the shapes of surrounding portals.

What happens if You made a hint-brush with the same dimensions as the fog-brush, positioned exactly over the fog-brush, and with the hint-shader on all 6 sides of the brush?
That is a simple test…