public void zoomIn() {
		if (scale <= 2) {
			scale *= 2;
			GUIFunctions.setHScrollBarKnob((int) (WIDTH / (4 * scale)));
			GUIFunctions.setVScrollBarKnob((int) (HEIGHT / (4 * scale)));
			GUIFunctions.setHScrollBarPosit((int) (x + WIDTH / (8 * scale)));
			GUIFunctions.setVScrollBarPosit((int) (y + HEIGHT / (8 * scale)));
		}
	}