private void GameTimer_Tick(object sender, EventArgs e)
{
if (opening)
{
GameTimer.Stop();
if (Int32.TryParse(Microsoft.VisualBasic.Interaction.InputBox("How fast would you like enemies to move? \n[Default is: 5] \nPlease set it to a value between 1 and 15.", "Invasion Speed", ""), out InvSpeed))
{
if (InvSpeed >= 0 && InvSpeed <= 15)
{
opening = false;
label3.Text = "Diffic:" + InvSpeed;
goodInput = true;
}
else
{
opening = true;
GameTimer.Start();
}
}
else
{
GameTimer.Start();
}
}
if (goodInput)
{
label2.Text = "Points: " + points;
TankPos = tank.Location;
if (dirLeft)
{
tank.Location = new Point((tank.Location.X - playerMoveSpeed), 475);
}
else if (dirRight)
{
tank.Location = new Point((tank.Location.X + playerMoveSpeed), 475);
}
foreach (Control picInvader in this.Controls)
{
if (picInvader.Tag == "Invader" && picInvader is PictureBox)
{
if (((PictureBox)picInvader).Bounds.IntersectsWith(tank.Bounds))
{
endGame();
}
if (goingRight)
{
((PictureBox)picInvader).Location = new Point((((PictureBox)picInvader).Location.X + InvSpeed), ((PictureBox)picInvader).Location.Y);
}
else if (goingLeft)
{
((PictureBox)picInvader).Location = new Point((((PictureBox)picInvader).Location.X - InvSpeed), ((PictureBox)picInvader).Location.Y);
}
if (((PictureBox)picInvader).Location.X > 850)
{
goingLeft = true;
goingRight = false;
invadersDown();
}
if (((PictureBox)picInvader).Location.X < 0)
{
goingLeft = false;
goingRight = true;
invadersDown();
}
}
}
if (missileShot)
{
Missile.Show();
Missile.Location = new Point((Missile.Location.X), (Missile.Location.Y - 20));
label1.Text = "m:" + Missile.Location.Y;
if (Missile.Location.Y <= -30)
{
Missile.Hide();
Missile.Location = new Point(875, 530);
missileShot = false;
shootable = true;
}
if (Missile.Location.Y <= 383 && shieldAlive && Missile.Location.X >= 336 && Missile.Location.X <= 510)
{
Missile.Hide();
Missile.Location = new Point(875, 530);
missileShot = false;
shootable = true;
decayShield = true;
Refresh();
shouldDecay = true;
}
}
foreach (Control picInv in this.Controls)
{
if (picInv is PictureBox && picInv.Tag == "Invader")
{
if (picInv.Bounds.IntersectsWith(Missile.Bounds))
{
points++;
this.Controls.Remove(picInv);
Missile.Hide();
Missile.Location = new Point(875, 530);
missileShot = false;
shootable = true;
}
}
}
if (points >= amountEnemies)
{
GameTimer.Stop();
MessageBox.Show("Victory!");
}
}
}