Method modify

src/main/java/field/graphics/FLine.java:176–178

tells Field that you've modified the contents of a line in some way, so it might have to work harder to redraw it

()

		return this;
	}


	/**
	 * tells Field that you've modified the contents of a line in some way, so it might have to work harder to redraw it
	 */
	public void modify() {