private void nextWave()
{
wave++;
invaderDirection = Direction.Right;
if (wave < 7)
{
framesSkipped = 6 - wave;
}
else
{
framesSkipped = 0;
}
int currentInvaderYSpace = 0;
for (int x = 0; x < 5; x++)
{
ShipType currentInvaderType = (ShipType)x;
currentInvaderYSpace += INVADERYSPACING;
int currentInavderXSpace = 0;
for (int y = 0; y < 5; y++)
{
currentInavderXSpace += INVADERXSPACING;
Point newInvaderPoint = new Point(currentInavderXSpace, currentInvaderYSpace);
Invaders newInvader = new Invaders(currentInvaderType, newInvaderPoint, 10);
invaders.Add(newInvader);
}
}
}
private void returnFire()
{
if (invaderShots.Count == wave)
{
return;
}
if (random.Next(10) < (10 - wave))
{
return;
}
var invaderColumns = from invader in invaders
group invader by invader.Location.X into columns
select columns;
int randomColumnNumber = random.Next(invaderColumns.Count());
var randomColumn = invaderColumns.ElementAt(randomColumnNumber);
var invaderRow = from invader in randomColumn
orderby invader.Location.Y descending
select invader;
Invaders shooter = invaderRow.First();
Point newShotLocation = new Point(shooter.Location.X + (shooter.Area.Width / 2), shooter.Location.Y + shooter.Area.Height);
Shot newShot = new Shot(newShotLocation, Direction.Down, formArea);
invaderShots.Add(newShot);
}