1. A method for use in obtaining input for an application, comprising: establishing communications with an image capture device that is capable of providing output data that includes depth measurements; using the image capture device to capture images of an object as the object moves in a three-dimensional manner; receiving the output data provided by the image capture device as the image capture device captures images of the object; and analyzing the output data provided by the image capture device to detect and track the three-dimensional movements of the object.