private void initBorderMaze() {
		for (int x = 0; x < bufferedImage.getWidth(); x++) {
			for (int y = 0; y < bufferedImage.getHeight(); y++) {
				if (x == 0 || x == bufferedImage.getWidth() - 1 || y == 0
						|| y == bufferedImage.getHeight() - 1) {
					bufferedImage.setRGB(x, y, Color.BLACK.getRGB());
					continue;
				}
				bufferedImage.setRGB(x, y, Color.WHITE.getRGB());
			}
		}
	}