UDK Light Functions
http://www.soverance.com/tutorial-lig...
Quick tutorial on UDK Light Functions
I forgot to mention this in the video, but any material you create to be used as a light function will need to have this property enabled: MUTUALLY EXCLUSIVE USAGE Be sure to tick "Used as Light Function" in order for this material to, well, be used as a light function..... More info on my blog:
http://www.soverance.com/tutorial-lig...