new text drawing

	public static void drawString(float x, float y, float z, String text){
		glBindTexture(GL_TEXTURE_2D,TextureManager.get("font"));
		glDepthMask(false);
		glBegin(GL_QUADS);
		byte[] bytes = text.getBytes(StandardCharsets.UTF_8);
		glColor4f(1,1,1,1);
		for (int i = 0; i < text.length(); i ++){
			int asciiCode = bytes[i]-1;
			int minU = (asciiCode%16)*8;
			int minV = (asciiCode/16)*8;
			draw2DQuad(x+i*0.4375f,y+0.5f,z,0.5f,0.5f,minU,minV,minU+8f,minV+8f,128f,128f);
		}
		glEnd();
		glDepthMask(true);
	}