Hi! Perhaps you find some useful info on the Concept wiki page I think the base of many environment concepts is a 3d blockout. For example concepts could be done on top of renders of a greybox level, or the current level state to explore options. I think a crucial part when fleshing out an idea, whether 2d or 3d, is…
You mean painting yourself or AI generate? For AI I suggests to ask chatGPT to write you prompt examples . I got the best results that way. One Ai knows better whta other AI needs ha-ha. If you mean paint an draw yourself my opinion Photoshop not even a best tool for that . I like Rebelle a lot lately. It looks cool…