How did you generate other maps (roughness, normal, etc)?
I noticed your sketchfab asset has normal, roughness, and metalness maps. I am curious how this is usually done in the game pipeline. Did you somehow generate them from your color map? Did you hand paint them like in the tower defense course? I see lots of hand painted stuff on sketchfab with fancy normal maps and I am not sure the best way to go about generating those maps. Thanks!