15. The apparatus of claim 13 , wherein, if the current UI mode is the non-physics animation mode, the animation type comprises at least one of a translation type, a rotation type, a scale type, an alpha variation type, and a shape modification type, and if the current UI mode is the physics animation mode, the animation type comprises at least one of the alpha variation type and the shape modification type.
22. The apparatus of claim 15 , wherein, if the current UI mode is the physics animation mode and the animation type is the shape modification type, the at least one property comprises physical UI elements and the UI information extraction unit extracts the physical UI elements, the physical UI elements comprising a shape of the UI object and an intensity and a direction of force applied to the UI object, and the UI information translation unit translates the current UI information to non-physical UI elements, the non-physical UI elements comprising an initial shape and location where the UI object is motionless.