/// <summary>
/// 始点がfromで終点がtoのエッジを戻す。
/// </summary>
private Edge FindEdge(PointInf from, PointInf to, FEOption opt)
{
switch (opt)
{
case FEOption.SamePointIdx:
foreach (var e in mEdgeList)
{
if (e.fromPointIdx == from.Idx &&
e.toPointIdx == to.Idx)
{
return(e);
}
}
break;
case FEOption.SamePosition: {
foreach (var e in mEdgeList)
{
var e1 = mPP.FindPointByIdx(e.fromPointIdx, PointProc.FindPointMode.FindAll);
if (WWVectorD2.Distance(e1.xy, from.xy) < 1)
{
var e2 = mPP.FindPointByIdx(e.toPointIdx, PointProc.FindPointMode.FindAll);
if (WWVectorD2.Distance(e2.xy, to.xy) < 1)
{
return(e);
}
}
}
}
break;
}
return(null);
}
/// <summary>
/// 始点がidxFromで終点がidxToのエッジを戻す。
/// </summary>
public Edge FindEdge(int idxFrom, int idxTo, FEOption opt)
{
switch (opt)
{
case FEOption.SamePointIdx:
foreach (var e in mEdgeList)
{
if (e.fromPointIdx == idxFrom &&
e.toPointIdx == idxTo)
{
return(e);
}
}
break;
case FEOption.SamePosition: {
var p1 = mPP.FindPointByIdx(idxFrom, PointProc.FindPointMode.FindAll);
var p2 = mPP.FindPointByIdx(idxTo, PointProc.FindPointMode.FindAll);
foreach (var e in mEdgeList)
{
var e1 = mPP.FindPointByIdx(e.fromPointIdx, PointProc.FindPointMode.FindAll);
if (WWVectorD2.Distance(e1.xy, p1.xy) < 1)
{
var e2 = mPP.FindPointByIdx(e.toPointIdx, PointProc.FindPointMode.FindAll);
if (WWVectorD2.Distance(e2.xy, p2.xy) < 1)
{
return(e);
}
}
}
}
break;
}
return(null);
}