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.
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. 17. The apparatus of claim 15 , wherein, if the current UI mode is the non-physics animation mode and the animation type is the rotation type, the at least one property comprises non-physical UI elements and the UI information extraction unit extracts the non-physical UI elements, the non-physical UI elements comprising an angle of rotation of the UI object per unit time, and the UI information translation unit translates the current UI information to physical UI elements, the physical UI elements comprising a torque, an angular velocity, and a motion vector of the UI object.