Method SDL.Joystick()->get_ball()

Method get_ball

array(int) get_ball(int ball)

Description

Returns the axis change of the given trackball.

This is its relative motion along both axes since the last call to get_ball(). It is returned as a 2-element array holding the values of dx and dy (- the motion deltas).

Returns

The axis change of the given trackball.

See also

num_balls()