public int TryGetStart(ref Side left, ref Side right)
{
Side center = this;
DirEdge opp = Seg.GetOppositeEdge(Next.edge);
if (center.CanGetEnd())
{
left = center;
right.Seg = opp.edge.segments[edgeDirs[Dir][opp.dir]];
right.Next = right.Seg.GetOppositeEdge(opp.edge);
right.Dir = cubeDirs[opp.dir];
right.EndFound = false;
return(right.CanGetEnd() ? 2 : 1);
}
center.Next = opp;
if (center.CanGetEnd())
{
left.Seg = Next.edge.segments[edgeDirs[Dir][Next.dir]];
left.Next = left.Seg.GetOppositeEdge(Next.edge);
left.Dir = cubeDirs[Next.dir];
left.EndFound = false;
right = center;
return(left.CanGetEnd() ? 2 : 1);
}
return(0);
}
