Oooh, this is one fantastique technique to improve a lot the visual appearance of any object! :O I used this trick to make some jello balls in Unity Engine, using the Toon Shader! It renders prettymuch the same. :D
arrangemonk: you can take a look at my (toon) shader.. it supports several texture slots you can enable/disable .. including lightspheres and diffuse I hope I'm not capturing this thread with this advertisement.. so kill this post if you think so!
the ones who would be interested using litspheres in Unity. there are two ways. 1 compiling the sphere textures to simplespheremap. and then use a basic toon shader and drop the simplespheremap in the cubemap slot. 2 or simple copy this shader. found it on unity wiki i believe so props to the guy who wrote this ;) Shader…