private void GameScreen_KeyDown(object sender, KeyEventArgs e)
{
bool? correct = null; // (datatype)? specifies a version of that datatype that can have the value null
string key = e.KeyData.ToString();
if (key == "Escape")
{
this.Close();
}
if (!CoverLabel1.Visible)
{
switch (key)
{
case "A": correct = Q1.CheckAnswer(LeftAnswer1.Text); break;
case "D": correct = Q1.CheckAnswer(RightAnswer1.Text); break;
case "W": correct = Q1.CheckAnswer(UpAnswer1.Text); break;
case "S": correct = Q1.CheckAnswer(DownAnswer1.Text); break;
}
if (correct != null)
{
if (correct == true)
{
CoverLabel1.Text = GoodText[r.Next(0, 6)];
CoverLabel1.ForeColor = Color.Green;
car1.X += 2;
car1.Speed = 4;
}
else
{
CoverLabel1.Text = BadText[r.Next(0, 6)];
CoverLabel1.ForeColor = Color.Red;
car1.X += 1;
car1.Speed = 1;
if (_sfx)
{
SystemSounds.Hand.Play();
}
}
CoverLabel1.Show();
questionTimer1.Stop();
TPQList1.Add(questionTimer1.Elapsed.TotalSeconds);
return;
}
}
if (!CoverLabel2.Visible)
{
switch (key)
{
case "Left": correct = Q2.CheckAnswer(LeftAnswer2.Text); break;
case "Right": correct = Q2.CheckAnswer(RightAnswer2.Text); break;
case "Up": correct = Q2.CheckAnswer(UpAnswer2.Text); break;
case "Down": correct = Q2.CheckAnswer(DownAnswer2.Text); break;
}
if (correct != null)
{
if (correct == true)
{
CoverLabel2.Text = GoodText[r.Next(0, 6)];
CoverLabel2.ForeColor = Color.Green;
car2.X += 2;
car2.Speed = 4;
}
else
{
CoverLabel2.Text = BadText[r.Next(0, 6)];
CoverLabel2.ForeColor = Color.Red;
car2.X += 1;
car2.Speed = 1;
if (_sfx)
{
SystemSounds.Hand.Play();
}
}
CoverLabel2.Show();
questionTimer2.Stop();
TPQList2.Add(questionTimer2.Elapsed.TotalSeconds);
return;
}
}
}
private void UpdateScreenTimer_Tick(object sender, EventArgs e)
{
TimeLabel.Text = String.Format("{0:00}:{1:00}:{2:000}", quizTimer.Elapsed.Minutes, quizTimer.Elapsed.Seconds, quizTimer.Elapsed.Milliseconds);
if (car1.X % (Track1.Width / 10) == 0 && car1.Speed != 0) // (if the car has reached a question point and isn't already stopped)
{
Q1 = QM1.RandomQuestion();
Q1.ShuffleAns();
QuestionLabel1.Text = Q1.QuestionText;
for (int i = 0; i < 4; i++)
{
Q1AnsLabels[i].Text = Q1.Answers[i];
}
CoverLabel1.Visible = false;
car1.Speed = 0;
questionTimer1.Restart();
}
if (questionTimer1.Elapsed.Seconds >= 15)
{
questionTimer1.Reset();
CoverLabel1.Text = "TOO SLOW";
CoverLabel1.ForeColor = Color.Red;
car1.X += 1;
car1.Speed = 1;
CoverLabel1.Show();
questionTimer1.Stop();
TPQList1.Add(questionTimer1.Elapsed.Seconds);
}
if (car1.X >= Track1.Width)
{
if (_activeUsers.Length == 2)
{
End(_activeUsers[0], _activeUsers[1]);
}
else
{
End();
}
}
car1.Draw();
wheel1.RotateImage(car1.Speed);
if (_activeUsers.Length == 2) // I originally had try-catch blocks to handle 1 player, but this seemed to be taxing on the computer as exceptions were thrown every 50ms
{
if (car2.X % (Track2.Width / 10) == 0 && car2.Speed != 0)
{
Q2 = QM2.RandomQuestion();
Q2.ShuffleAns();
QuestionLabel2.Text = Q2.QuestionText;
for (int i = 0; i < 4; i++)
{
Q2AnsLabels[i].Text = Q2.Answers[i];
}
CoverLabel2.Visible = false;
car2.Speed = 0;
questionTimer2.Restart();
}
if (questionTimer2.Elapsed.Seconds >= 15)
{
questionTimer2.Reset();
CoverLabel2.Text = "TOO SLOW";
CoverLabel2.ForeColor = Color.Red;
car2.X += 1;
car2.Speed = 1;
CoverLabel2.Show();
TPQList2.Add(questionTimer2.Elapsed.Seconds);
}
if (car2.X >= Track2.Width)
{
End(_activeUsers[1], _activeUsers[0]);
}
car2.Draw();
wheel2.RotateImage(car2.Speed);
}
}
