US Patent 11697062 Information processing apparatus and warning presentation method

Methods and apparatus provide for: performing information processing on the basis of data received from a device that detects a user position; generating an image to be displayed as a result of the information processing; and determining that the user needs to be warned when the user position indicates that the user moves out of a play area set in an object space in reference to a detection field of the device, and to cause the image generating section to superpose a warning image on the image to be displayed, where the determining includes setting positions of boundary surfaces of the play area with respect to the detection field of the device within a predetermined range from the user.