i found a good image to explain this. basically , start with something like lego, or module. and start with big but basic object first like wall, and floor. unlike UDK for PS3/pc/360, T junction in Iphone is OK, because your polygon budget is limited. (t junction) however something like you will see frontal, like…
what did you mean by go under for the reflections. Thats the only part of the test i don't get. Make the ground transparent? do you have and example of this or can you explain. I've always used materials for reflections. thx in advance