private static void UpdateWaves()
{
if (enemies.Count == 0)
{
waveNumber++;
for (int i = 0; i < rand.Next(3, 3 + waveNumber); i++)
{
NewShip();
}
DropManager.EndOfWaveDrop();
}
if (bombShipCooldown <= 0)
{
int bombShipCount = 0;
for (int i = 0; i < enemies.Count; i++)
{
if (enemies[i] is Bombship)
{
bombShipCount++;
}
}
if (bombShipCount < 4)
{
NewBombShip();
bombShipCooldown = rand.Next(3, 10);
}
}
else
{
bombShipCooldown -= GameManager.DeltaTime;
}
}