Post process see through wall and mark specific actors

[Lovecraft_K]

Hey RatAs1171 -

Here is a really basic setup that should get you started. It is not 100% see through like in your picture but with a little artistic tweaking you can use this setup to get something very close to what you are looking for:

For the Post Process Material that you will want to put in a Unbound Post Process Volume as a Blendable:

For the Implentation, I am using a simple K pressed called from the level Blueprint, but this could be called as you need it:

Thank You

Eric Ketchum