Can I apply post processing only to areas lit by a specific light source?

[ClockworkOcean]

Try color correction regions

Color Correct Regions

at least is designed to focus on one area.

It is also totally possible to code a PP material to work ‘back to front’ and also only focus on one area

Localized Post-Process Effects

Hi! I am trying to achieve a localized post-process effect, as is shown on this (old) tutorial page: [3D Modeling & Texturing: [Unreal Engine 4] Localized Post-Process Effects][1] However, I simply can’t get it to function properly. I am using this blueprint and as far as I understand, I need to link my effect to ‘SphereCenter’ but it simply stays black no matter what I do and similarly, the outside stays in gray mist. [V5qEO9IuPhoM0kQU90M_ht1Y3_GSQnblnLQWjLltEq_PPFZhMYa5UA9cKLNnd7PiIQKDya6…