Possible Duplicate:
How should I sort images in an isometric game so that they appear in the correct order?
My isometric game looks flat; how can I improve this?
I'm working with andengine on a tiled map, at the moment I have only something like this

However I want to manage/introduce "heigth" like the folowing image.
Can I do this or have I do change my engine, I want now something like this :
Do you have some example/tuto explaining how to manage a "3D" tiled map?
