public Polygon2DTriangulator(Polygon2DAdorner a,Polygon2DAdorner b)
{
Polygon2DEditor polygonEditor = null;
if (!a.polygon.isSimple || !b.polygon.isSimple)
{
throw (new ArgumentException());
}
if (a.polygon.PointDirection != b.polygon.PointDirection)
{
polygonEditor = new Polygon2DEditor(a.polygon);
polygonEditor.Invert();
}
Debug.Assert(a.polygon.PointDirection == b.polygon.PointDirection);
FirstPolygon = a;
SecondPolygon = b;
Diviser = new Polygon2DDiviser(a.Count);
ghostPoint = new GhostPoint2DCollection();
ghostTriangle = new GhostTriangle2DCollection();
polygonEditor = new Polygon2DEditor(this.FirstPolygon.polygon);
polygonEditor.Clear();
polygonEditor = new Polygon2DEditor(this.SecondPolygon.polygon);
polygonEditor.Clear();
}
public HighQualityTriangulator(Polygon2D a, Polygon2D b)
{
if (!a.isRegular && !b.isRegular)
{
throw (new ArgumentException());
}
if (a.VertexCount != b.VertexCount)
{
throw (new ArgumentException());
}
FirstPolygons = new Polygon2DDiviser(a);
SecondPolygons = new Polygon2DDiviser(b);
}
public void Divide()
{
UpdateStatus(this, "Dividing...");
targetDiviser.UpdateStatus += new Microsoft.VS.Akira.Triangulations.TargetDiviser.ShowStatus(UpdateStatus);
targetDiviser.Divide();
Polygon2D poly = this.firstPolygon;
this.firstPolygonCollection.Add(this.firstPolygon);
this.secondPolygonCollection.Add(this.secondPolygon);
UpdateStatus(this, "Mapping...");
for (int i = 0; i < targetDiviser.Divisers.Count; i++)
{
int first_index = this.secondPolygon.GetPointIndex(targetDiviser.Divisers[i].FirstPoint);
int second_index = this.secondPolygon.GetPointIndex(targetDiviser.Divisers[i].LastPoint);
LineSegment2D line = new LineSegment2D(this.firstPolygon.GetPoint(first_index), this.firstPolygon.GetPoint(second_index));
for (int j = 0; j < this.firstPolygonCollection.Count; j++)
{
if (this.firstPolygonCollection[j].HasVertex(line.FirstPoint) != Polygon2D.NoSuchPoint
&&this.firstPolygonCollection[j].HasVertex(line.LastPoint) != Polygon2D.NoSuchPoint)
{
poly = this.firstPolygonCollection[j];
this.firstPolygonCollection.Remove(j);
break;
}
}
int from = 0;
int to = 0;
from = poly.GetPointIndex(line.FirstPoint);
to = poly.GetPointIndex(line.LastPoint);
linkMaker = new Polygon2DLinkMaker(poly, from, to);
linkMaker.Divide();
int extraPoints = linkMaker.LinkDistance - 1;
linkMaker.BuildPath();
Polygon2DDiviser pd = new Polygon2DDiviser(poly);
pd.DividedBy(linkMaker.LinkDivisers, poly);
this.firstPolygonCollection.Add(pd.SubDivision[1]);
this.firstPolygonCollection.Add(pd.SubDivision[2]);
//divide target polygon
line = targetDiviser.Divisers[i];
for (int j = 0; j < this.secondPolygonCollection.Count; j++)
{
if (this.secondPolygonCollection[j].HasVertex(line.FirstPoint) != Polygon2D.NoSuchPoint
&&this.secondPolygonCollection[j].HasVertex(line.LastPoint) != Polygon2D.NoSuchPoint)
{
poly = this.secondPolygonCollection[j];
this.secondPolygonCollection.Remove(j);
break;
}
}
from = poly.GetPointIndex(line.FirstPoint);
to = poly.GetPointIndex(line.LastPoint);
Point2DCollection path = line.ToPath(extraPoints);
pd = new Polygon2DDiviser(poly);
pd.DividedBy(path, poly);
this.secondPolygonCollection.Add(pd.SubDivision[1]);
this.secondPolygonCollection.Add(pd.SubDivision[2]);
}
}
