public void drawArrow(Graphics myBuffer, int time, Arrow arrow) {
      int x;
      int y = (int) ((arrow.startTime - time) * scaling);
      if (arrow instanceof LeftArrow) {
        x = 0;
        myBuffer.drawImage(leftArrowImg, x, y, null);
      } else if (arrow instanceof RightArrow) {
        x = 150;
        myBuffer.drawImage(rightArrowImg, x, y, null);
      } else if (arrow instanceof UpArrow) {
        x = 300;
        myBuffer.drawImage(upArrowImg, x, y, null);
      } else {
        x = 450;
        myBuffer.drawImage(downArrowImg, x, y, null);
      }

      // myBuffer.setColor(Color.black);
      // myBuffer.drawLine(0,0,x,y);

      // Image	img = Toolkit.getDefaultToolkit().getImage("arrowB down.png");
      myBuffer.finalize();
    }