public override int GetHashCode()
{
int hashCode = 67;
hashCode = hashCode * 71 + dir.GetHashCode();
hashCode = hashCode * 71 + pos.GetHashCode();
return(hashCode);
}
public override int GetHashCode()
{
int hashCode = 67;
hashCode = hashCode * 71 + normal.GetHashCode();
hashCode = hashCode * 71 + distance.GetHashCode();
return(hashCode);
}