public override int GetHashCode()
{
int hashCode = worldTransform.GetHashCode();
hashCode = ((hashCode * 397) ^ ((_customProperties != null) ? _customProperties.GetHashCode() : 0));
return((hashCode * 397) ^ pieceNumber);
}
public override int GetHashCode()
{
return(Shape.GetHashCode() + WorldTransform.GetHashCode());
}