In today's shader tutorial, I show how to write the code required to support multiple light sources when creating a custom lighting model in Unity.Here's the code - so you don't have to type it all out:https://www.bencloward.com/youtube/lights.txt Here are two tutorials showing how to customize the lighting model in Unreal Engine:https://dev.epicgames.com/community/learning/tutorials/2R5x/unreal-engine-new-shading-models-and-changing-the-gbuffer https://dev.epicgames.com/community/learning/tutorials/ow0x/unreal-engine-custom-shading-models-directly-in-your-material-graphs Take a look at the playlist for the whole series:https://www.youtube.com/playlist?list=PL78XDi0TS4lGnGa7L2X4o3UV-XYZEKNwj Here's last week's video on using light color and shadow:https://youtu.be/R6nO6dUdO4Y Shader Book Recommendationshttps://www.bencloward.com/resources_books.shtml ------------------------------Theme MusicPeace in the Circuitry - Glitch Hophttp://teknoaxe.com/Link_Code_3.php?q=1526 Background MusicSpeo - The Little Thingshttps://www.youtube.com/watch?v=kvCYuyyLgC0 #UnrealEngine #shadergraph #Unity