What do you mean? You just plug in any texture to the "Emissive" slot in the material... Or do you want things in the scene to actually be lit by the emissive? If that's the case, look into "Use Emissive as lighting"(I think it's in the settings for the object you want to glow) and "Use with Static Lighting" (in the…
-ok, I'm looking online for simple emissive advice; but most of it seems out of date...I did find one from Polycount with a link to a 'simple emissive map', but the link was dead =( Also, what's the trick for making fire in udk? I've seen a few tutorials but they all seem to be adding 'extra' effects as well such as heat…