public void generateQuestion()
{
int numberOfQuestionTypes = questionList.Count;
int selectedType = RandomGen.next(numberOfQuestionTypes);
QuestionFactory factory = questionList[selectedType];
while (previousQuestionFactory != null && factory.GetType().Equals(previousQuestionFactory.GetType()))
{
selectedType = RandomGen.next(numberOfQuestionTypes);
factory = questionList[selectedType];
}
previousQuestionFactory = factory;
Question question = factory.getQuestion();
this.currentQuestion = question;
question.loadQuestion();
time = 0f;
}