code: public final void drawString(String text, float dstX, float dstY, float dstZ) throws IOException {
  		DrawPoint		drawPoint = new DrawPoint(dstX, dstY, dstZ);
  		MappedCharacter	character;
  		
  		if (!LwjgFontUtil.isEmpty(text)) {
  			for (int i = 0; i < text.length(); i++) {
  				char	ch = text.charAt(i);
  
  				if (ch == LineFeed.getCharacter()) {
  					//	LF は改行扱いにする
  					drawPoint.dstX = dstX;
  					drawPoint.dstY -= getLineHeight();
  					continue;
  				} else if (ch == CarriageReturn.getCharacter()) {
  					//	CR は無視する
  					continue;
  				}
  
  				character = retreiveCharacter(ch);
  				drawCharacter(drawPoint, character);
  			}
  		}
  	}
docs: Draws the text given by the specified string, using this font instance's current color.<br>
  Note that the specified destination coordinates is a left point of the rendered string's baseline.
  @param text the string to be drawn.
  @param dstX the x coordinate to render the string.
  @param dstY the y coordinate to render the string.
  @param dstZ the z coordinate to render the string.
  @throws IOException Indicates a failure to read font images as textures.