If I am adding several models at once I have noticed that I lose the ability to rotate the globe while they are rendering. Is there anyway around this?
Is the performance hit when loading or rendering? Most of the loading is async and WebGL resource creation is throttled over several frames so there shouldn’t be major hiccups. Do you know how big the models are? How many triangles, size of textures, and so on? Is it possible that they are very large? Are you working with an artist that can help simplify them?