Mmm... they say an image is worth a thousand words, so look at this screenshot from Final Fantasy Tactics:


Noticed that no part of the screen is ever "squashed" due to depth? this effect can be better noticed in this other screenshot, from Breath of Fire 3:


Now, everyone who played these games know that they are made in 3D, and since this is a 3D engine, I wonder if you can or cean not achieve that effect... thanks in advance ^^