	/**
	 * Converts a string into seperate letters and writes each letter in a
	 * vertical line (from top to bottom)
	 *
	 * @param text String
	 * @param xc int
	 * @param yc int
	 */
	private void draw_string_vert(String text, float xc, float yc) {
		//
		float font_height = graphics.getFontMetrics(getFont()).getHeight() + 1f;
		int j = 0;
		int k = text.length();