1. A motion capture system, comprising: a depth camera system, the depth camera system obtains images of a field of view; a display; and a processor in communication with the depth camera system and the display, the processor executes instructions to: display a virtual space comprising an avatar on the display, provide directions to a person, the person performs movements in the field of view in a first time period in response to the directions, process the images to detect the movements of the person, update the virtual space so that the avatar provides a performance, the avatar exhibits a trait and moves correspondingly to the movements of the person in real time as the person performs the movements in the performance, and provide a play back of the performance in a second time period, the avatar exhibits a modification to the trait and moves correspondingly to the movements of the person in the play back of the performance.