Source 2 Blender

Appearance

Light Warps ​

In the Source Engine, light warps are one dimensional textures that control how light interacts with a material.

In Team Fortress 2, light warps are used extensively for the characters' illustrative art style.

Light Warp Showcase

In Blender ​

The default VertexLitGeneric shader offers light warp support in the EEVEE render engine.

INFO

The light warp support uses the Shader-To-RGB shader node which is not available in Cycles.