public void cos(){

            Thread thread = new Thread(() -> {

                this.number = (int) (Math.random() * 4);
                this.radius = (int) (Math.random() * (getHeight() / 2));
                this.x = (int) (Math.random() * (getWidth() + 50));
                this.x1 = (int) (Math.random() * (getWidth() + 30));
                this.y = (int) (Math.random() * (getHeight() + 50));
                this.y1 = (int) (Math.random() * (getHeight() + 50));

            });

            thread.start();

            try {
                thread.sleep(200);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            removeAll();
            repaint();
            System.out.println("x: " + x + " ,y: " + y);
        }