Method rotate

platform/java/example/Viewer.java:701–711

(int change)

	}

	protected void rotate(int change) {
		int newRotate = rotate + change;
		while (newRotate < 0) newRotate += 360;
		while (newRotate >= 360) newRotate -= 360;

		if (newRotate - rotate == 0)
			return;
		rotate = newRotate;

		render();
	}

	protected void toggleAntiAlias() {
		int newAntialias = number != 0 ? number : (antialias == 8 ? 0 : 8);