A virtual reality system comprising: a platform; a headset (404, 414) having a motion-sensing unit and a display unit configured to display a video of a virtual environment; a mount (405, 415) positioned on the platform such that it is aligned with and fixed in a known position relative to the platform, wherein the mount (405, 415) is configured to be releasably engageable with the headset (404, 414), wherein the headset is in a first position when engaged with the mount, wherein in the first position the position of the headset (404, 414) relative to the mount (405, 415) is known, wherein the mount (405, 415) is further configured to independently support the headset (404, 414) in the first position independently from a user, and wherein the headset (404, 414) is in a second position when disengaged from the mount (405, 415) and positioned on the user's head to display the video of the virtual environment; and a control unit connected to the headset(404, 414), the control unit configured to: receive, from the motion sensing unit of the headset(404, 414), first data representing the first position of the headset (404, 414); associate the first position of the headset (404, 414) with a predetermined first perspective of the virtual environment, wherein associating the first position with the predetermined first perspective sets the frame of reference of the virtual environment; receive, from the motion sensing unit of the headset (404, 414), second data representing the second position of the headset (404, 414); determine a second perspective of the virtual environment corresponding to the second position of the headset (404, 414), wherein the second perspective is based on the difference between the first position and second position of the headset (404, 414); and provide, to the headset (404, 414), the video of the virtual environment from the second perspective. a platform; a headset (404, 414) having a motion-sensing unit and a display unit configured to display a video of a virtual environment; a mount (405, 415) positioned on the platform such that it is aligned with and fixed in a known position relative to the platform, wherein the mount (405, 415) is configured to be releasably engageable with the headset (404, 414), wherein the headset is in a first position when engaged with the mount, wherein in the first position the position of the headset (404, 414) relative to the mount (405, 415) is known, wherein the mount (405, 415) is further configured to independently support the headset (404, 414) in the first position independently from a user, and wherein the headset (404, 414) is in a second position when disengaged from the mount (405, 415) and positioned on the user's head to display the video of the virtual environment; and a control unit connected to the headset(404, 414), the control unit configured to: receive, from the motion sensing unit of the headset(404, 414), first data representing the first position of the headset (404, 414); associate the first position of the headset (404, 414) with a predetermined first perspective of the virtual environment, wherein associating the first position with the predetermined first perspective sets the frame of reference of the virtual environment; receive, from the motion sensing unit of the headset (404, 414), second data representing the second position of the headset (404, 414); determine a second perspective of the virtual environment corresponding to the second position of the headset (404, 414), wherein the second perspective is based on the difference between the first position and second position of the headset (404, 414); and provide, to the headset (404, 414), the video of the virtual environment from the second perspective. receive, from the motion sensing unit of the headset(404, 414), first data representing the first position of the headset (404, 414); associate the first position of the headset (404, 414) with a predetermined first perspective of the virtual environment, wherein associating the first position with the predetermined first perspective sets the frame of reference of the virtual environment; receive, from the motion sensing unit of the headset (404, 414), second data representing the second position of the headset (404, 414); determine a second perspective of the virtual environment corresponding to the second position of the headset (404, 414), wherein the second perspective is based on the difference between the first position and second position of the headset (404, 414); and provide, to the headset (404, 414), the video of the virtual environment from the second perspective.