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You must create at least five types of object structured in a class hierarchy and using good OO programming
practices. Two of these objects should simply demonstrate the multi-touch functionality of your system and be
simple graphical objects: they should be an ellipse and a rectangle. The other three should be more complex
and are at your discretion. Three possible examples are 1) a set of media objects (with integrated controls) for
displaying pictures, playing audio and showing video, 2) a set of instrument objects (which can produce music)
in the form of a drum, a piano and a guitar and 3) a set of general purpose UI elements (e.g. menus, toolbars,
ribbons) expressly designed for multi-touch. Feel free to come up with your own ideas here.
Your system should support at least the following operations for each object:
• Translation: move the objects around the screen with a single-point touch gesture
• Resize: alter the dimension of the objects with a two-point pinch gesture
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