public void draw() {
        Graphics g = getGraphics();
        Graphics bbg = backBuffer.getGraphics();
        bbg.setColor(Color.black);
        bbg.fillRect(0, 0, WIDTH, HEIGHT);
        stage.drawStage(bbg, this);
        for (Tank t : stage.getPlayers()) {
            t.draw(bbg, SCALE, this);
        }
        g.drawImage(backBuffer, 0, 0, this);
    }