The Omni light only is 6 spotlights, when needing shadowmaps. Otherwise its indeed one of the mathwise simplest/cheapest/fastest form of a lightsource, cept for infinite distant light, as Vailias suggests. But as shadowmapping is used in many games, and no-raytrace stuff is around, omni in realtime shadow situation is…
3 point lighting is your friend. There is a lot of reading to be found on the intertron, but I'll give you the skinny version. I'll mostly talk in terms of Max however most of this translates to just about any 3D app and most game engines you plan on using. This is geared toward people who have tried to light a scene and…