Within the project "Media Systems for Children with Intellectual Disabilities", the developed software offers a visual representation of a virtual supermarket environment in which the user can navigate from a 1st-person perspective. It's also possible to select certain shelves and buy the containing products. There is also a counter where the user can end the shopping task and thus the program.
The screen is devided into four main areas:
At the top there is a shopping list where all those items are listed that need to be bought during the task. | ||
| The first-person-view is displayed in the centre of the screen. Here, hint and error messages are displayed as well. |  | In the upper right hand corner is a small information window that offers a symbol and text according to the currently selected shelf. |
Any item that has been collected is listed in the shopping cart at the bottom of the screen. |
There are several modes of 3D-display... | ..as there are for visual selection feedback |
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A typical shopping action:
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After all items have been collected,
the user is supposed to go to the counter.
By clicking at the counter he can end his
shopping tour and the game.
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