add drawing to the canvas when sprites move
add drawing to the canvas when sprites move

walterbender/turtletest,i5o/turtleblocksjs,hemantkasat/turtleblocksjs,rodibot/turtleblocksjs,tradzik/turtleblocksjs,i5o/turtleblocksjs,walterbender/turtletest,i5o/turtleblocksjs,hemantkasat/turtleblocksjs,walterbender/turtleblocksjs,Daksh/turtleblocksjs,walterbender/turtleblocksjs,hemantkasat/turtleblocksjs,rodibot/turtleblocksjs,Daksh/turtleblocksjs,rodibot/turtleblocksjs,walterbender/connectthedots,garyservin/turtleblocksjs,tradzik/turtleblocksjs,tradzik/turtleblocksjs,Daksh/turtleblocksjs,tchx84/turtleblocksjs,tchx84/turtleblocksjs,walterbender/connectthedots,garyservin/turtleblocksjs,tchx84/turtleblocksjs,garyservin/turtleblocksjs,walterbender/turtleblocksjs