I've been trying to wrap my head around how to write a simple custom node in UDK for the last two days with no success. What I want to do is make a node that will separate the red channel from any sample run through it. I have no experience with custom nodes in UDK, and just started learning HLSL, so please no psedo code.
wow...You just did what I've been trying to figure out for two days in one line...I hate you so much right now :poly121: fake edit: Actually now I'm wondering how you'd offset the channel with a second input for the texture coordinates? and is it possible to have multiple outputs on a custom node? Vailias: Because I want…