so this is a simple roomba vaccuum app my lab partner and i have created. just trying to add one more action, a button press/mouse press that will add more of the mess squares when toggled. i am able to add more with these commands, but the background(); in draw keeps overlaying it, and they never show for more than a second. how do i add duplicates of the mess squares so they stay put after the press?
tried recalling draw();, tried making a new function drawMess which gets called later, but by doing this nothing happens, plain and simple.