Sprites off screen due to setDrawOffset still cause screen updates

[matt (gingerbeardman)]

This seems familiar, I think you can see it as part of this weird bug.

One sprite being obscured by another invisible sprite

can anybody help explain this: my cursor (z-index 4) is being obscured by another sprite (z-index 5) but that sprite's :isVisible() returns false . i can work around it by changing the z-indexes, but that would be a hack that will bite me in the future I am sure. so i'd like to understand why the invisible layer is obscuring lower layers? if i press a button and redraw the whole screen everything displays as expected until the cursor is moved, at which point it becomes obscured again. plus th…