//Move the block of aliens
public void Move()
{
if (right)
{
//If rightMostAlien can move right then move all rows right
if (rightMostAlien.CanMoveRight())
{
foreach (RowOfAliens row in block)
{
row.MoveRowRight();
}
}
//Else move the block down and change direction
else
{
MoveBlockDown();
right = false;
}
}
else
{
//If leftMostAlien can move left then move all rows left
if (leftMostAlien.CanMoveLeft())
{
foreach (RowOfAliens row in block)
{
row.MoveRowLeft();
}
}
//Else move the block down and change direction
else
{
MoveBlockDown();
right = true;
}
}
}