public void Move(Piece piece, Position destination)
{
Position currentPos = _board.GetCurrentPosition(piece);
int deltaX = destination.X - currentPos.X;
int deltaY = destination.Y - currentPos.Y;
Vector moveVector;
if (_originColor == piece.Color)
{
Direction direction = (Direction)0;
if (deltaX > 0)
{
direction |= Direction.Forward;
}
else if (deltaX < 0)
{
direction |= Direction.Backward;
}
if (deltaY > 0)
{
direction |= Direction.Left;
}
else if (deltaY < 0)
{
direction |= Direction.Right;
}
if (!Enum.IsDefined(typeof(Direction), direction))
{
throw new InvalidOperationException();
}
}
}
