Package x provides experimental utilities.

Arrows moves the given mover based on its speed as the arrow keys are pressed.

CenterScreenOn will cause the screen to center on the given mover, obeying viewport limits if they have been set previously.

Limit restricts the movement of the mover to stay within a given rectangle.

TopDown moves the given mover based on its speed as the given keys are pressed.

WASD moves the given mover based on its speed as W,A,S, and D are pressed.