Sniper Scope using postprocess material

intoxicat3
Sat, 20 Jun 2015 20:54:18 +0000
Rendering

I’m trying to create sniper scope effect with distortion using postprocess material. I’ve read this great article (for UDK) here UDK | DevelopmentKitGemsHUDDistortion
And I have two problems with the material there:

Scope is not aligned on the center of the screen,

I can’t use black color for it. It won’t render - other colors will work without a problem (blue, orange etc) but black will have 100% opacity,

Anyone who knows materials / post process can help me out? The link provided to UDK is really simple to recreate in UE4 and it’s working but with these 2 issues.

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