public A(string newName)
: base(newName)
{
morgType = 'A';
feedBehavior = new feedAbsorb();
moveBehavior = new movePaddle();
}
public C(string newName)
: base(newName)
{
morgType = 'C';
feedBehavior = new feedEnvelop();
moveBehavior = new movePaddle();
}