public List <Curve> GenBridge()
{
crvAPts = GetPtLiFromCrv(crvA);
crvBPts = GetPtLiFromCrv(crvB);
List <Seg> segLi = new List <Seg>();
for (int i = 0; i < crvAPts.Count; i++)
{
Point3d p = crvAPts[i];
for (int j = 0; j < crvBPts.Count; j++)
{
Point3d q = crvBPts[j];
Seg seg = new Seg(p, q);
segLi.Add(seg);
}
}
segLi.Sort(delegate(Seg x, Seg y)
{
return(x.dist.CompareTo(y.dist));
});
List <Line> lineLi = new List <Line>();
for (int i = 0; i < segLi.Count; i++)
{
Line line = new Line(segLi[i].A, segLi[i].B);
lineLi.Add(line);
}
BridgeCrvLi = new List <Curve>();
BridgeCrvPts = new List <Point3d>();
Seg s0 = segLi[0];
Seg s1 = segLi[1];
Curve BridgePoly0 = GenBridgeCrv(s0, s1);
Curve BridgePoly1 = GenBridgeCrv(s1, s0);
BridgeCrvLi.Add(BridgePoly0);
BridgeCrvLi.Add(BridgePoly1);
return(BridgeCrvLi);
}
public Curve GenBridgeCrv(Seg s0, Seg s1)
{
Point3d a = s0.A;
Point3d b = s0.B;
Point3d c = s1.B;
Point3d d = s1.A;
double normAD = a.DistanceTo(d);
double normBC = b.DistanceTo(c);
Point3d d1 = new Point3d(d.X + ((a.X - d.X) * BridgeDepth / normAD), d.Y + ((a.Y - d.Y) * BridgeDepth / normAD), 0);
Point3d c1 = new Point3d(c.X + ((b.X - c.X) * BridgeDepth / normBC), c.Y + ((b.Y - c.Y) * BridgeDepth / normBC), 0);
List <Point3d> pts = new List <Point3d> {
d, c, c1, d1, d
};
PolylineCurve poly = new PolylineCurve(pts);
Curve crv = poly;
BridgeCrvPts.Add(c);
BridgeCrvPts.Add(d);
BridgeCrvPts.Add(c1);
BridgeCrvPts.Add(d1);
return(crv);
}