Unity Directional Light Bleeding Trhough Wall

If a light is next to a wall on one side you can see it on the floor on the other side.

Unity directional light bleeding trhough wall.

Shadows are the obvious answer however i assume you are using lite and that s not an option. I was wondering how i could go about culling the lights so they no longer shine through walls. That s why shadows exist. A potential solution is to open the gameobject s mesh renderer a mesh component that takes the geometry from the mesh filter and renders it at the position defined by the object s transform component.

Make sure to check out our knowledge base for commonly asked unity questions. Place it just behind your wall so that it blocks the light from leaking out. If you are a new user to unity answers check out our faq for more information. You can simulate this in shaders or use raycasts to see if the light is behind a wall.

In that case you ll need to be a bit more clever. Any help is greatly appreciated. These options have obvious edge cases that can t be easily resolved. In some situations normal bias can cause an unwanted effect called light bleeding where light bleeds through from nearby geometry into areas that should be shadowed.

Welcome to unity answers. Create a unity primitive cube plane etc sized similarly to your wall remove its collider and in the mesh renderer properties set it to shadows only. To help users navigate the site we have posted a site navigation guide. The best place to ask and answer questions about development with unity.

As an off the wall guess though it looks like your trying to force beta your lighting values far beyond their limitations that is causing the lighting solution to bleed.