HaxePunk/HaxePunk — pull request #199 by bendmorris (2014-02-01 20:12:40+00:00)
Title: Adding a 'released' function to com.haxepunk.utils.Joystick.

The Input API has a "released" check, so why not Joystick? Implementation is handled the same way Pressed is - button state is set to BUTTON_RELEASED for one frame, then BUTTON_OFF afterward.