Fresnel material help


Hi All

I am using a fresnel material to illustrate a lenticular shift of color. This works fine and is light (I have thousands of objects and only need to understand how it’ll look).

Problem is that fresnel is omni directional - I only want it to shift from left to right not up and down.

I more upmarket version is to have a truly lenticular material, preferably redshift, that renders fast, but I can do with the simple fresnel let-to-right shift.

Thanks in advance for any advice you give.