public Vector3D getAverageLocationOfOpponents(Opponent[] opponents) {
		float totalX = 0;
		float totalY = 0;
		if (opponents.length == 0)
			return null;
		for (Opponent opponent: opponents) {
			Vector3D opponentLocation = opponent.getLocation();
			totalX += opponentLocation.getX();
			totalY += opponentLocation.getY();
		}
		return new Vector3D(totalX / opponents.length, totalY / opponents.length, 0);
	}