Lorik

Results 2 issues of Lorik

I want to disable the shadows of certain lights , what shall I do? ![image](https://user-images.githubusercontent.com/84373240/118607453-2de34a00-b7eb-11eb-81e3-a63ab4f025e3.png) ![image](https://user-images.githubusercontent.com/84373240/118607790-903c4a80-b7eb-11eb-97f7-ff4fb5c50654.png)

when i convert obj to gltf , it happened : UV index 278144 is out of bounds [model.zip](https://github.com/CesiumGS/obj2gltf/files/7070370/model.zip)