Unity Light Going Through Walls

These options have obvious edge cases that can t be easily resolved.

Unity light going through walls.

Shadows are the obvious answer however i assume you are using lite and that s not an option. Hi all i have a basic pb building and in each end of the room the directional light seems to be shining through the walls even though i have shadows set to two sided. If either of these don t solve. You have a point light source behind some walls.

I am using gaia for the terrain and have the lighting set to afternoon light for those familiar with the program. Here is how to fix it. Create a unity primitive cube plane etc sized similarly to your wall remove its collider and in the mesh. Since you re using unity free put the plane on a specific layer.

Then click on your light click on the culling mask dropdown then uncheck the layer the object is on. It s really just a shadow type setting that needs to be set right. Light passing through walls 1. The layers are the dropdown box in the upper right of the inspector.

In that case you ll need to be a bit more clever. You can simulate this in shaders or use raycasts to see if the light is behind a wall. Now the light will not affect the object. That s why shadows exist.

Set the point light s baking property to mixed or baked then bake your lighting data using the lighting tab.