Yea, the question is where you draw the line. If the volume changes, then you need a geometry change... for example, if you have a deeply recessed window, then of course you need to cut a hole and recess a mesh in there... but in traditional 3d modelling, you would have separate meshes for every change in material.Helvene wrote:Here, I do not totally agree with you.
Fo example, making a window in a tile a seperate mesh and applying a different testure to it usually doesn't increase poly count for too much, but definitely improves the result.
In my opinion, it's much better to combine both approaches.
A rectangle is 2 polys. Cutting out a square in the middle of that and making it a separate mesh mesh makes it into 10 polys. Recessing that square makes it 18 polys.... so.... thats a 500% or 900% poly increase just to change a window material.
I guess in the end it just really depends on how you use those polys... if cutting out the window makes a huge difference based on the way you designed that door, then its worth it.