var MAX_RADIUS = 100; var MAX_CIRCLES = 100; var counter = 0; function start(){ setTimer(draw, 50); } function draw(){ drawCircle(Randomizer.nextInt(0, MAX_RADIUS), Randomizer.nextColor(), Randomizer.nextInt(0, getWidth()), Randomizer.nextInt(0, getHeight())); counter++; if(counter == MAX_CIRCLES){ stopTimer(draw); } } function drawCircle(radius, color, x, y){ var circle = new Circle(radius); circle.setColor(color); circle.setPosition(x, y); add(circle); }