Patent attributes
A system and method for displaying a virtual three-dimensional environment, including: displaying at least a portion of the virtual three-dimensional environment in a head-mounted display, where the head-mounted display includes a retinal tracking device; enabling a user to interact with the virtual three-dimensional environment; displaying a virtual representation of a written work within the virtual three-dimensional environment in the head-mounted display; enabling the user to interact with the virtual representation of the written work; tracking the user's reading position in the representation of the written work via the retinal tracking device; determining the content of the representation of the written book at the user's reading position; and modifying the virtual three-dimensional environment based at least in part on the content at the user's reading position.