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L4D: Adding Lights Tutorial

May 22, 2009
Category: Left 4 Dead Mapping

Adding lights in Hammer Source L4D.

Additional notes are below.

L4D Mapping: Adding Lights Video Tutorial

Notes:

1. Make sure you have a light source. A lamp, sky or fire are examples of light source.

Using the adding props tutorial, add a dynamic, static or physics light source.

2. Entity --> Light, Light Directional, Light Spot, Light Dynamic or Light_Environment

Light: basic light source

Light_Spot: creates a spot light effect, directed light

Light_Directional: a dynamic light_environment

Light_Dynamic: light that can be moved and changed

Light_Env: is used as a sun or moon, you must have a skybox for this to take effect.

3. Select the light entity and Alt+Enter for Light Properties Option.

Here you can change the color, intensity and many other options you see listed.

For more detailed explanation for each one visit wiki.

4. In 3d viewport under camera, you are able to view 3D Lighting Preview and 3D Ray-Traced Preview.

3D Lighting Preview: doesn't reflect exact light you will see in game, but it is a good start.

3D Ray-Traced Preview: renders a screenshot of your view and provides a better accurate lighting in game.

This will only work if you have 3D Lighting Preview turned on.

Comments are Closed. Please Join & Discuss this post in the World of Level Design Forums Comments Aris 07 Jan 2010, 03:07 Greetings, I tried some basic lights and I run into the following problems. 1. I could see the lights on the outer side of the wall. I mean I walked out of cafeteria model and I could see a "burning" spot on the wall from the inside light. 2. Some light behaved strangely, they start very bright and after 2-3 seconds the drop at the normal brightness. This happens only once at the beginning of the level. Thank you. Mantana 01 Jan 2010, 13:40 Прикольно со светом Ilizane 26 Oct 2009, 14:04 Not any big thing or anything, but you say at the end yuo will compile the map to se how it all looks like in the game.. but then the video ends.. :) nothinh serious or anything just wanted to mention it for you :) HeadBanger [GER] 29 Sep 2009, 10:17 Hmm...Light_Env to have moon or sunligt, huh? I just used a spot in the upper corner of my skybox. Brightness up to 150000. I can't see anything up there, but I got the light and shadows of moonlight on my whole map. ^^ Ethan 28 Aug 2009, 17:28 OK, I don't know exactly what the problem was, but I fixed it by changing the wall texture. Also, thanks for the tutorials, they are really helpful. AlexG 28 Aug 2009, 14:29 Not sure why that is happening. Is it a regular bsp wall? or a model? Have you build cubemaps? Are you compiling with HDR? Do you have fog_env_controller in your map? Delete and rebuild the wall, see if that works. Ethan 28 Aug 2009, 13:46 I have a problem where some walls randomly turn black in game. It is like they have no light falling on them, even though they should. If I shine my flashlight on the wall, it works, so I think it is a problem with the lights I put in. I couldn't find any information about this using Google, so if you could help me that would be great. Powered by Scriptsmill Comments Script