Move mouse pointer over the canvas.
(Functionality: wheel should match cursor or touch position on screen, whatever values are applied to the Pad or Stack. This functionality has not yet been added to the library)
Works in IE11
|Pad startX||Pad startY|
|Pad handleX||Pad handleY|
|Stack perspectiveX||Stack perspectiveY||Stack perspectiveZ|
Known browser issues: ???