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Forum: All Forums : Call of Duty 4
Category: CoD4 General
General game questions, comments, and chat.
Moderators: foyleman, Foxhound, Mystic, StrYdeR, batistablr, Welshy, DrBiggzz, supersword, playername, novemberdobby
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Author Topic: what's the best way to fix a light leak?
k00lbr33ze
General Member
Since: Jun 17, 2009
Posts: 121
Last: Dec 13, 2011
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Level 4
Category: CoD4 General
Posted: Wednesday, Nov. 2, 2011 04:12 pm
attachment: image(137.9Kb)
Hello folks,

I need some advice to fix a problem I have with the image attached.

Essentially, I use a caulk_shadow brush to alleviate a lighting leak, but it's not fixing the problem I attached. I should say, it fixed it in some areas but not in others.

What's the best way to fix this?

Thanks in advance...
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StrYdeR
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Since: May 11, 2004
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Category: CoD4 General
Posted: Wednesday, Nov. 2, 2011 04:23 pm
Hi - try light occluder (i believe...it has been a while)
[angryalien]
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k00lbr33ze
General Member
Since: Jun 17, 2009
Posts: 121
Last: Dec 13, 2011
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Category: CoD4 General
Posted: Wednesday, Nov. 2, 2011 10:52 pm
StrYdeR writes...
Quote:
Hi - try light occluder (i believe...it has been a while)
[angryalien]


Thanks for the post stryder, I looked at the tools brushes & there isn't a light occluder in radiant.

I tried creating a light_portal in the room with the light leak & that didn't work- I also used the back of a brush as shadow_caster...these didn't solve the problem either.
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k00lbr33ze
General Member
Since: Jun 17, 2009
Posts: 121
Last: Dec 13, 2011
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Category: CoD4 General
Posted: Tuesday, Nov. 8, 2011 10:07 pm
Hi all, I'm revisiting this post because I've rebuilt the rooms with lighting.

Before, I created the walls to be perpendicular to the floor- I've now beveled the floors & walls hoping that it would fix the problem.

It still hasn't, does anyone have any tips on correcting this problem???

Thanks again...
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Mystic
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Since: Apr 10, 2004
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Category: CoD4 General
Posted: Wednesday, Nov. 9, 2011 09:46 am
This once was quite a common question, it has a lot too do with the light entity, if the radius of the light hits the walls it tend to leak under them on compile.

You need to reduce the radius of the light and make sure the rings around the light (on the 2d grid) do not touch the wall.
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k00lbr33ze
General Member
Since: Jun 17, 2009
Posts: 121
Last: Dec 13, 2011
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Level 4
Category: CoD4 General
Posted: Wednesday, Nov. 9, 2011 04:31 pm
thanks mystic,

I upped the radius of the light since I didn't want to raise the intensity- when I did that, the room ended up being too bright with extremely high contrast (it's a small room).

I don't want to have to add extra lights to achieve the effect that I want but I may have to...
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Ray
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Since: Apr 24, 2006
Posts: 1027
Last: Nov 17, 2013
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Category: CoD4 General
Posted: Wednesday, Nov. 9, 2011 06:11 pm
Another thing to try or consider is to make sure that your floor is not just one brush. Sometimes on a larger flat surface like that you will get light traveling along the whole brush and it will occasionally bleed under a wall. You can see this at ceiling height too.

I dont like to make more brushes than is necessary but sometimes you have to do this. In the image that you provided try cutting the floor right there and dropping the wall so that it is below the level of the floor. The wall should then block the light bleeding plus the floor is not catching the glare or light path that it use to pick up.

Worth trying at least. Works for my maps and I never get bleeding.
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k00lbr33ze
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Since: Jun 17, 2009
Posts: 121
Last: Dec 13, 2011
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Level 4
Category: CoD4 General
Posted: Thursday, Nov. 10, 2011 02:17 am
thanks for the tip ray,

I actually did try that method as well; when I beveled the wall, it actually extended past the hallway floor by 8 units.

This didn't fix the issue for me- mystic's suggestion seemed to have fixed the problem I was having...
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