Hi, do you plan on adding button masks for gui buttons, so that we can have buttons that are only clickable on the desired areas? Here's an example: http://www.babylonjs-playground.com/#WWBIKZ The button image is a circle, but the clickable area is actually a rectangle. Buttons can also have other different shapes, like cut off edges. I guess the best way would be to add some kind of button mask, maybe an optional second image that contains information about the clickabl