public void Skip(int turns)
{
var toRemove = new List <LinkedListNode <Invader> >();
foreach (var node in byPriority)
{
var invader = node.Value;
invader.Distance -= turns;
if (invader.Distance <= 0)
{
if (Energy <= invader.Damage)
{
Energy = 0;
}
else
{
Energy -= invader.Damage;
}
toRemove.Add(node);
byInsertion.Remove(node);
}
}
byPriority.RemoveMany(toRemove);
}