示例#1
0
        public void ChangeQuestion(string set)
        {
            UserQuestions userQuestions = new UserDatabase().getUserQuestions(username);
            Console.WriteLine(set);
            List<string[]> questions = userQuestions.getQuestions(set);
            Random random = new Random();
            int questionIndex = -1;

            do{
            questionIndex = random.Next(questions.Count);
            }while(questions.Count > 1 && questions[questionIndex][0].Equals(QuestionLabel.Text));

            QuestionLabel.Text = questions[questionIndex][0];
            int button1TextIndex, button2TextIndex, button3TextIndex;
            button1TextIndex = random.Next(3) + 1;

            do
            {
                button2TextIndex = random.Next(3) + 1;
            } while (button2TextIndex == button1TextIndex);
            do
            {
                button3TextIndex = random.Next(3) + 1;
            } while (button3TextIndex == button1TextIndex || button3TextIndex == button2TextIndex);

            if (button1TextIndex == 1)
            {
                correctAnswerButton = "Answer1";
            }
            else if (button2TextIndex == 1)
            {
                correctAnswerButton = "Answer2";
            }
            else if (button3TextIndex == 1)
            {
                correctAnswerButton = "Answer3";
            }

            Answer1Button.BackColor = Color.Gainsboro;
            Answer2Button.BackColor = Color.Gainsboro;
            Answer3Button.BackColor = Color.Gainsboro;

            Answer1Button.Text = questions[questionIndex][button1TextIndex];
            Answer2Button.Text = questions[questionIndex][button2TextIndex];
            Answer3Button.Text = questions[questionIndex][button3TextIndex];
        }
示例#2
0
        // Used to change the question that the player is answering using a subject / tier
        public void ChangeQuestion(string set)
        {
            UserQuestions userQuestions = new UserDatabase().getUserQuestions(username); // Create a new UserDatabase and extract and store the User Questions of the active user
            List<string[]> questions = userQuestions.getQuestions(set); // Save the questions from the appropriate set in a list
            Random random = new Random(); // Create a new Random number generator
            int questionIndex = -1; // Default the question index to -1

            do
            { // keep trying to find a new question
                questionIndex = random.Next(questions.Count); // Find a random index to check
            } while (questions.Count > 1 && questions[questionIndex][0].Equals(QuestionLabel.Text)); // Check the index

            QuestionLabel.Text = questions[questionIndex][0]; // Set the text of the question label to our newly found question
            int[] buttonTextIndexes = { 1, 2, 3 }; // Create integers to store the index of the text that will be displayed by each button

            // Shuffle the indexes of the text to be displayed on the buttons

            for (int i = 0; i < 3; i++) // For each button text index
            {
                int changeIndex = random.Next(i, 3); // Find another index to be swapped with our current one (that is higher than our current one)
                int tempIndex = buttonTextIndexes[i]; // Temporarily store the first value which is to be overwritten in the swap
                buttonTextIndexes[i] = buttonTextIndexes[changeIndex]; // Overwrite the first value
                buttonTextIndexes[changeIndex] = tempIndex; // Overwrite the second value
            }

            if (buttonTextIndexes[0] == 1) // If button1 has the index of the correct answer
            {
                correctAnswerButton = "Answer1"; // Save the answer which is the correct one
            }
            else if (buttonTextIndexes[1] == 1) // If button2 has the index of the correct answer
            {
                correctAnswerButton = "Answer2"; // Save the answer which is the correct one
            }
            else if (buttonTextIndexes[2] == 1) // If button3 has the index of the correct answer
            {
                correctAnswerButton = "Answer3"; // Save the answer which is the correct one
            }

            Answer1Button.BackColor = Color.Gainsboro; // Reset the colour of all buttons (They become red when the player makes a mistake)
            Answer2Button.BackColor = Color.Gainsboro;
            Answer3Button.BackColor = Color.Gainsboro;

            Answer1Button.Text = questions[questionIndex][buttonTextIndexes[0]]; //Assign the text of the buttons to their randomly chosen answers
            Answer2Button.Text = questions[questionIndex][buttonTextIndexes[1]];
            Answer3Button.Text = questions[questionIndex][buttonTextIndexes[2]];
        }