Square: Arrow keys to move, A & D to switch colors Circle: Mouse down to move it towards the mouse, J & K to switch colors. Space to put the pen down. Slide the Pen Size to change the...well...it's self explanatory Press "C" to clear all drawings 1 to show the Pen Size variable 2 to hide the Pen Size variable
Idea from @colin2007 's drawing project, go check it out! ;)
