/// <summary>
/// left and right walls boundary check
/// if a missile goes past gdi boundaries
/// then remove them in main form code
/// </summary>
/// <param name="foe"></param>
/// <returns></returns>
public static bool boundaryCheckLeftRIght(missile foe)
{
//null check
if (foe == null)
{
return(false);
}
// if past gdi walls return its location and have it removed in main
return((foe.Where().X < (0 + foe.radius * 2)) || (foe.Where().X > (_drawer.ScaledWidth + foe.radius * 2)));
}
/// <summary>
/// top and bottom boundary check
/// if a missile goes past gdi boundaries(left and right walls)
/// then remove them in main form code
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
public static bool BoundaryCheckUpDown(missile arg)
{
//null check
if (arg == null)
{
return(false);
}
// if past gdi walls return its location and have it removed in main
return((arg.Where().Y < 0) || (arg.Where().Y > _drawer.ScaledHeight));
}
/// <summary>
/// explosion method to determine if explosion is done or not
/// </summary>
/// <param name="arg"></param>
/// <returns></returns>
public static bool Explosion(missile arg)
{
//if explosion radius' alpha value is less then or equal to 10
//the explosion is done happening
if (arg.alpha <= 10)
{
return(true);
}
//otherwise explosion is still happening
else
{
return(false);
}
}
/// <summary>
/// the main event for game code
/// does everything needed for game to run
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Timer_Tick(object sender, EventArgs e)
{
Point pt;
missile.boomRadius = boomTrackBar.Value;
labelBommVal.Text = boomTrackBar.Value.ToString();
//add enemy missiles to list and update label
if (foemissiles.Count < missilesUpDown.Value)
{
missile newMissile = new missile();
foemissiles.Add(newMissile);
missilsIN += 1;
}
//colilsion check
List <missile> colided = friendlyMissile.Intersect(foemissiles).ToList();
//remove all colided missiles
//also update score and update counter for removed missiles
foreach (missile item in colided)
{
while (foemissiles.Remove(item))
{
score += 100;
gone += 1;
}
}
//remove any missiles outside of boundaries
friendlyMissile.RemoveAll(missile.Explosion);
missile.Loading = true;
foemissiles.RemoveAll(missile.boundaryCheckLeftRIght);
// if missile reaches bottom of gdi lives --
if (foemissiles.RemoveAll(missile.BoundaryCheckUpDown) >= 1)
{
lives -= 1;
}
// and a "bunker" where frindly misslies spawn
CDrawer.AddCenteredRectangle(CDrawer.ScaledWidth / 2, CDrawer.ScaledHeight, 30, 30, Color.Green);
CDrawer.AddText($"Lives {lives} Score {score}", 60, Color.Cyan);
// update labels
labelmissIN.Text = missilsIN.ToString();
labelDestroyed.Text = gone.ToString();
labelFriend.Text = friendlyIN.ToString();
labelKD.Text = KD.ToString();
//update k/d ratio as long as there is at least 1 missle on screen
if (friendlyIN > 0)
{
KD = (double)Math.Round(Convert.ToDecimal((missilsIN / friendlyIN)), 2);
}
missile.Loading = false;//start rending in missiles and effects
//movment for enemy missiles
foreach (missile item in foemissiles)
{
item.move();
item.DrawMissiles();
}
//movment for friendly missiles
foreach (missile item in friendlyMissile)
{
//bool for friend?
item.move();
item.DrawMissiles();
}
//on a left click spawn a friendly missile and update label
if (CDrawer.GetLastMouseLeftClick(out pt))
{
friendlyMissile.Add(new missile(pt));
friendlyIN++;
}
//when adjusting timerinterval stop the game
//adjust interval and resume game
if (timer1.Enabled)
{
timer1.Stop();
}
this.timer1.Interval = (int)intervalUpDown.Value;
timer1.Start();
//if a game over happens
//set game over state, stop the timer
//and display game over text
if (currentState == eGameState.Over)
{
currentState = eGameState.Unstarted;
timer1.Enabled = false;
timer1.Stop();
missile.Loading = true;
CDrawer.AddText("GAME OVER", 60, Color.Cyan);
missile.Loading = false;
}
//if lives 0 game is over
if (lives == 0)
{
currentState = eGameState.Over;
}
}
