Object affordances should match the physical constraints of the object to the requirements of the task.The form of objects should encourage and support spatial manipulation.Indeed many of the desired features for TUI design in AR are applicable to AV. In terms of AV games there are few specific examples relating to games as the majority of research relates to Augmented Reality (AR) and Table Top AR in particular. Although it is outside Drascic and Milgram’s original definition relating to the mixing of visual images from the real object within the virtual world on a display, as demonstrated by projects such as Augurscope, the physical location of the piece on the screen achieves a comparable effect. However, as the game pieces are located within the game space on the screen of the tablet they can also be considered a form of Augmented Virtuality (AV) as they conform to its general definition of physical objects that are dynamically integrated into, and can interact with, the virtual world in real-time. TUIs can be defined as providing a physical form of digital information and facilitates the direct manipulation of the associated bits.
As such, the game pieces can be considered a form of Tangible User Interface (TUI). This research is concerned with the creation of physical game pieces that can be used for games running on commercial capacitive touch screen tablets. tangible interfaces, natural user interfaces, augmented virtuality, physicality, games, affordances.
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