Click and drag to draw Press space to change the color Press the down arrow make the size lower Press the up arrow make the size higher Press 1 to make the brightness higher Press 0 to make the brightness lower Press 2 to make the transparency lower Press 3 to make the transparency higher Press R to reset your drawing
Code by me If you make the size bigger and make it transparent all the way, it would be an eraser There's a bug that the preview thing isn't the same and I don't know how to fix it :/
