Double sided texture

Hi

I’m a beginner and I want to make a double sided texture quad, is there any idea or special node?

here you go, shader oneliner

ConstantDoubleSided.fx (1.5 kB)

I’ll just leave this link to vertex\pixelshader semantics on msdn

how to use:https://vvvv.org/sites/default/files/imagecache/large/images/Bildschirmfoto%202015-01-18%20um%2015.13.54.PNG

Double Sided.zip (3.6 kB)

thanks guys!