I Try to make Screen Shooting Game need Help

I’m currently having the in-game Player take a RenderTarget from a Scene Capture2D on a Plane and

an NPC in another space and

I’m trying to make something like that where if you shoot the NPC in the other space, it will be hit.

But I can’t find any information and I don’t know how to create it.

I’ve tried several things

I tried converting from screen local coordinates to world coordinates.

It doesn’t work and I’m getting a little stuck.

Can you give me some ideas…?

pls pls pls pls