1. A computer-implemented method comprising: detecting an input, via touchscreen functionality of a display device of the computer, that has a velocity and is directed to one or more objects in a user interface displayed on the display device; responsive to the detecting, generating a presentation by the computer that includes a parallax animation of the one or more objects; and displaying the presentation that includes the parallax animation in the user interface on the display device, the parallax animation configured to continue after the detected input that has a velocity is completed.