1. A method of controlling tint of one or more tintable windows to account for occupancy comfort in a room of a building, the method comprising: determining an intersection between an occupancy region and a three-dimensional projection of light through the one or more tintable windows; using the intersection to determine a tint level of the one or more tintable windows; and providing instructions to transition tint of the one or more tintable windows to the determined tint level.