public static void Shoot(Alien shooter)
{
AlienBullet b = GetBullet();
if (b != null)
{
b.Position.X = shooter.AlienPosition.X;
b.Position.Y = shooter.AlienPosition.Y + shooter.GetHeight() / 2 + 1;
b.SetVelocity(new Vector2(0, 250));
b.IsActive = true;
}
}
public static void Init(int Aliens, int Rows)
{
numAliens = Aliens;
numRows = Rows;
aliensPerRow = numAliens / numRows;
numAlives = numAliens;
alien = new Alien[numAliens];
Color white = new Color(255, 255, 255);
int alienWidth = 30;
int alienHeight = 20;
int startX = 40;
int startY = 40;
int dist = 15;
for (int i = 0; i < alien.Length; i++)
{
if (i != 0 && i % aliensPerRow == 0)
{
startY += alienHeight + dist;
}
int alienX = startX + ((i % aliensPerRow) * (dist + alienWidth));
alien[i] = new Alien(new Vector2(alienX, startY), white, alienWidth, alienWidth);
if (i > numAliens - aliensPerRow)
{
alien[i].CanShoot = true;
}
}
bullet = new AlienBullet[aliensPerRow];
for (int i = 0; i < bullet.Length; i++)
{
bullet[i] = new AlienBullet();
}
}
