Screen space reflections are active by default in unreal engine 4 but can be toggled using the console command r ssr quality 3or r ssr quality 0depending on the set.
Unreal engine 4 movable light reflection through walls.
A material that can be applied to a filter a light s intensity e g.
An overview of sky lights in unreal engine 4.
The problem shouldnt be the light but rather the reflectionspheres.
The unreal engine 4 logo is projected onto a wall using a light function.
Reflection goes through walls especially light you have to either get rid of the ref.
A fully dynamic light capable of changing all of its properties during runtime.
Spheres or smaller their radius.
Using lighting and shadowing geometry using global illumination and setting up reflections.
Unreal engine 4 documentation engine features rendering and graphics lighting the environment light mobility movable lights.
Intensity one of it or a combination should hopefully fix your issue.
Unreal engine 4 documentation engine features rendering and graphics lighting the environment types of lights sky light sky light.
You could also play with the reflec.