Lut, Shader, Programming, Blender3d, Unreal Engine.
0/N to 1/N, then from 1/N to 2/N then 2/N to 3/N and so on and so forth until N-1/ N to N/N (which is 1). That means the first thing we need to do is divide the Red channel by N. Contribution_From_Red = InColor.R / LUT_Dimension If we take this and add this to the Blue offset, we should