new Button(game, x, y, key, callback, callbackContext, overFrame, outFrame, downFrame, upFrame)
Create a new Button object. A Button is a special type of Sprite that is set-up to handle Pointer events automatically. The four states a Button responds to are: 'Over' - when the Pointer moves over the Button. This is also commonly known as 'hover'. 'Out' - when the Pointer that was previously over the Button moves out of it. 'Down' - when the Pointer is pressed down on the Button. I.e. touched on