private void BtnReset_Click(object sender, EventArgs e)
{
// if the reset button is clicked
//stop the game
//clear the textbox for the name and lives
//enable the textbox for the name and lives
//reset points
TmrGame.Enabled = false;
TxtName.Enabled = true;
TxtName.Clear();
TxtLives.Enabled = true;
TxtLives.Clear();
LblPoints.Text = "0";
TxtName.Focus();
//reset the ships position
myShip.X = 50;
myShip.Y = 140;
myShip.Angle = 0;
ShipImage = RotateImage(OGShipImage, myShip.Angle);
}
private void TxtName_KeyPress(object sender, KeyPressEventArgs e)
{
if (TmrGame.Enabled)
{
e.Handled = true;
return;
}
if (
(e.KeyChar >= 'A' && e.KeyChar <= 'Z') || // check if enetered character is between A and Z and let it be entered if it is
(e.KeyChar >= 'a' && e.KeyChar <= 'z') || // check if the entered character is between a and z and let it be entered if it is
(e.KeyChar == (char)Keys.Back) || // convert the int to a character and let it be entered
(e.KeyChar == (char)Keys.Space) // convert the int ot a character and let it be entered
)
{
return; // if it is then let it be added to the textbox
}
else if (e.KeyChar == (char)Keys.Enter)
{
TxtName.Enabled = false; // if the eneter key is pressed then disable the text name textbox
TxtLives.Focus(); // focus on the text lives textbox
e.Handled = true; // say that the character has been handled
}
else
{
e.Handled = true; // if not then present the task as already done
}
}
private void TxtLives_TextChanged(object sender, EventArgs e)
{
string context = TxtLives.Text;
bool isnumber = true;
//This loop checks for numbers as characters are entered
for (int i = 0; i < context.Length; i++)
{
if (!char.IsNumber(context[i]))//If current character is not a number
{
isnumber = false;
break;
}
}
//If not a number clear the textbox and focus on it
//to enter lives again
if (isnumber == false)
{
TxtLives.Clear();
TxtLives.Focus();
}
else
{
liveStart = true;
}
}
private void TxtLives_KeyPress(object sender, KeyPressEventArgs e)
{
if (TmrGame.Enabled)
{
e.Handled = true;
return;
}
if (
(e.KeyChar >= '0' && e.KeyChar <= '9') || // check if enetered character is between 1 and 9 and let it be entered if it is
(e.KeyChar == (char)Keys.Back) // convert the int to a character and let it be entered
)
{
return; // if it is then let it be added to the textbox
}
else if (e.KeyChar == (char)Keys.Enter)
{
// get number from box
String x = TxtLives.Text;
lives = Int32.Parse(x);
//check number is acceptable
if (lives >= 1 && lives <= 15)
{
// - disable box
TxtLives.Enabled = false;
// - start game
TmrGame.Enabled = true;
BirdSpeed = 5;
for (int i = 0; i < maxBirds; i++)
{
IncreaseBirdCount();
}
}
else
{
e.Handled = true;
// - show error message
MessageBox.Show(" Sorry this value is not accepted. \n Please enter a number between 1 and 15.");
// - put cursor back in box
TxtLives.Focus();
}
e.Handled = true;
}
else
{
e.Handled = true; // if not then present the task as already done
}
}
