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             ___      _____    __   __            
    ___     / _ \\   / ____||  \ \\/ //   ____    
   /   ||  / //\ \\ / //---`'   \ ` //   |    \\  
  | [] || |  ___  ||\ \\___      | ||    | [] ||  
   \__ || |_||  |_|| \_____||    |_||    |  __//  
    -|_|| `-`   `-`   `----`     `-`'    |_|`-`   
     `-`                                 `-`

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Text this: Navigational methods in 3D virtual environments