Using lighting and shadowing geometry using global illumination and setting up reflections.
Unreal engine light shines through walls.
Help i am working on a interior scene where i have one stationary directional light there is a lot of light leak on the edges of the mesh even after creating separate lightmap uv channel with snapping to the grid.
The dust is created with an emitter.
Then the effect of light beams is done with a projector with the texture of the window that shines on the particles.
There s a window in a dusty room the sun shines through the window creating light beams in the dust and shining on the wall.