public void MoveAllInvaders()
{
bool createNewInvaders = false;
Invader maxWidthInvader = new Invader(new Point(boundaries.Left, 0));
Invader minWidthInvader = new Invader(new Point(boundaries.Right), 0);
foreach (Invader invader in invaders)
{
if (invader.Location.X <= minWidthInvader.Location.X)
{
minWidthInvader = invader;
}
if (invader.Location.X >= maxWidthInvader.Location.X)
{
maxWidthInvader = invader;
}
}
foreach (Invader invader in invaders)
{
if (minWidthInvader.Location.X <= boundaries.Left)
{
invader.Move(Parameters.Direction.Down, level);
invaderDirection = Parameters.Direction.Right;
}
else if (maxWidthInvader.Location.X + maxWidthInvader.Image.Width >= boundaries.Right)
{
invader.Move(Parameters.Direction.Down, level);
invaderDirection = Parameters.Direction.Left;
}
if (invader.Location.Y + invader.Image.Height >= boundaries.Bottom)
{
createNewInvaders = true;
break;
}
else
{
invader.Move(invaderDirection, level);
}
}
if (createNewInvaders)
{
ResetInvaders();
GenerateInvaders();
}
if (mothership)
{
mother.Move(Parameters.Direction.Right);
if (mother.Location.X >= boundaries.Right || mother.Location.X <= boundaries.Left)
{
RemoveMothership();
}
}
}
public void CreateMothership()
{
if (mothership)
{
return;
}
mother = new Invader(new Point(boundaries.Left, boundaries.Top));
mothership = true;
//System.Windows.Forms.MessageBox.Show(mother.Image.Width.ToString());
}
public void GenerateInvaders()
{
Invader newInvader = new Invader(new Point(Parameters.invaderInitialLeft, Parameters.invaderInitialTop));
int invadersPerRow = Parameters.invadersPerRow + level / 5;
if (invadersPerRow > 10)
{
invadersPerRow = 10;
}
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < invadersPerRow; j++)
{
switch (i)
{
case 0:
newInvader.SetImage(Parameters.InvaderTypes.bug);
break;
case 1:
newInvader.SetImage(Parameters.InvaderTypes.saucer);
break;
case 2:
newInvader.SetImage(Parameters.InvaderTypes.satellite);
break;
case 3:
newInvader.SetImage(Parameters.InvaderTypes.spaceship);
break;
case 4:
newInvader.SetImage(Parameters.InvaderTypes.star);
break;
default: break;
}
invaders.Add(newInvader);
newInvader = new Invader(new Point(newInvader.Location.X + Parameters.invaderHorizontalSpacing, newInvader.Location.Y));
}
newInvader.Location = new Point(Parameters.invaderInitialLeft, newInvader.Location.Y + Parameters.invaderVerticalSpacing);
}
}