We need Directional Light to have Light Shadow.
If I use Directional Light, I’m not getting any shadows. Even thought the whole gltf is made of Mesh Standard Material, None of the meshes are getting shadows with Directional Light. Don’t know why. I’ve seen others facing the same issue here.
https://discourse.threejs.org/t/directional-light-not-showing-shadows/6541
So I’m trying with spotlight. But Spotlight doesn’t have bias parameter.
This is how it looks like if i’m using Directional Light.