For the past few weeks I've been searching for a tutorial or article about the math behind the Isometric perspective and a bit of the code involved in that. (With XNA / C# mostly)
(I'm looking to make something with a perspective like Bastion http://supergiantgames.com/site/wp-content/uploads/Bastion_122310_0001.jpg )
I've found a few for Flash http://gamedev.tutsplus.com/tutorials/implementation/creating-isometric-worlds-a-primer-for-game-developers/ but nothing that were really just for XNA.
Tl;dr, a link for the math behind what the isometric perspective is and how that could be applied to XNA would be most awesome if anyone could explain it / share a link.
I'll even accept just a link to source code at this point. It would be better than nothing!