public void SetVertex(LR.Side leftRight, Vertex v) {
if (leftRight == LR.Side.Left) {
LeftVertex = v;
} else {
RightVertex = v;
}
if (Vertex(LR.Other(leftRight)) != null) {
OutEnd();
}
}
HalfEdge Init(Edge edge, LR.Side lr) {
Edge = edge;
LeftRight = lr;
EdgeListLeftNeighbor = null;
EdgeListRightNeighbor = null;
NextInPriorityQueue = null;
Vertex = null;
YStar = 0;
return this;
}
public Vertex Vertex(LR.Side leftRight) {
return (leftRight == LR.Side.Left) ? LeftVertex : RightVertex;
}
private HalfEdge(Edge edge, LR.Side lr) {
Init(edge, lr);
}
public static HalfEdge Create(Edge edge, LR.Side lr) {
var he = new HalfEdge(edge, lr);
return he;
}
