and the strange thing is, that if i use mul(In.normal,matWorldInv); it still looks like:


i tried everything. do i need to setup a special material event?? could that be the point i am missing?

Well, and what about trying what I wrote?

what Alex is saying, you need to transpose.. therefore you need to have the worldviewinv matrix first in your mul() operation..

Actually i was never clear on this before either, thank you Alexander! I wish you would post more because you know more about this stuff than most on the forums ;p