public Face2D AddPoints(params Point2D[] points)
{
//newEdges = new List<Edge2D>();
int size = points.Length;
if (size < 3)
{
throw new System.Exception("The points count cannot less than 3.");
}
List <Edge2D> edges = new List <Edge2D>();
for (int i = 0, j = 1; i < size; i++, j = (i + 1) % size)
{
edges.Add(new Edge2D(points[i], points[j]));
}
bool[] isEdgeExits = new bool[size];
List <Edge2D> allEdges = AllExistedEdges;
foreach (var ss in allEdges)// allEdges)
{
for (int i = 0; i < size; i++)
{
if (edges[i].IsMatchFor(ss))
{
Edge2D match = edges[i];
foreach (var p in match.Points)
{
p.Edges.Remove(match);
}
edges[i] = ss;
isEdgeExits[i] = true;
}
}
}
for (int i = 0; i < size; i++)
{
if (!isEdgeExits[i])
{
allEdges.Add(edges[i]);
}
}
/*Face2D result = new Face2D(edges.ToArray());*/
/*AddFace(new Face2D(edges.ToArray()));*/
/*Debug.Log("Local variable allEdges count :" + allEdges.Count);
* Debug.Log("world variable GetAllEdges count :" + GetAllEdges().Count);*/
return(AddFace(new Face2D(edges.ToArray())));
}
/*Point2D FirstPoint { get { return BasicEdges.First().PointInBoth(BasicEdges.Last()); } }*/
public List <Point2D> GetActualPointsInWindingOrder()
{
List <Point2D> points = new List <Point2D>();
Edge2D first = BasicEdges.First();
Edge2D last = BasicEdges.Last();
Point2D firstPoint = first.PointInBoth(last);
points.Add(firstPoint);
foreach (var currect in BasicEdges)//.Skip(1).Take(BasicEdges.Count - 2))
{
currect.AddAllMiddlePoints(points);
Point2D nextPoint = currect.PointOnlyInThis(last);
if (nextPoint == firstPoint)
{
break;
}
points.Add(nextPoint);
last = currect;
}
return(points);
}
private List <Point2D> DivideBasicEdges()
{
List <Point2D> points = new List <Point2D>();
Edge2D first = BasicEdges.First();
Edge2D last = BasicEdges.Last();
Point2D firstPoint = first.PointInBoth(last);
points.Add(firstPoint);
foreach (var currect in BasicEdges)//.Skip(1).Take(BasicEdges.Count - 2))
{
//currect.OnDivide();
points.Add(currect.OnDivide());
Point2D nextPoint = currect.PointOnlyInThis(last);
if (nextPoint == firstPoint)
{
break;
}
points.Add(nextPoint);
last = currect;
}
return(points);
}
private List <Point2D> GetBasiclPointsInWindingOrder()
{
//return Edges.SelectMany(e => e.Points).Distinct().ToList();
List <Point2D> points = new List <Point2D>();
// The edges were added in order, but we don't know if the points within the edges are in order.
// Therefore we look at the previous edge to figoure out which point has already been visited
Edge2D previous = BasicEdges.First();
foreach (var current in BasicEdges.Skip(1).Take(BasicEdges.Count - 2))
{
if (points.Count == 0)
{
Point2D firstPoint = previous.PointOnlyInThis(current);
points.Add(firstPoint);
Point2D secondPoint = previous.PointInBoth(current);
points.Add(secondPoint);
}
Point2D nextPoint = current.PointOnlyInThis(previous);
points.Add(nextPoint);
previous = current;
}
return(points);
}
public void AddAllMiddlePoints(List <Point2D> allPoints)
{
if (MiddlePoint == null)
{
//Debug.Log(string.Format("Edge {{{0}, {1}}} Do not have a middle point", Points[0].Name, Points[1].Name));
return;
}
if (allPoints.Count < 1)
{
throw new System.Exception("The Middle Points List must has a point!");
}
Point2D firstPoint = allPoints[allPoints.Count - 1];
if (!Points.Contains(firstPoint))
{
//Debug.Log(string.Format("Edge {{{0}, {1}}} Do not contains allPoints 's last point", Points[0].Name, Points[1].Name));
return;
}
Point2D lastPoint = Points[0] == firstPoint ? Points[1] : Points[0];
Edge2D firstEdge = MiddlePoint.Edges.Find(e => e.Points.Contains(firstPoint));
if (firstEdge != null)
{
firstEdge.AddAllMiddlePoints(allPoints);
}
allPoints.Add(MiddlePoint);
Edge2D lastEdge = MiddlePoint.Edges.Find(e => e.Points.Contains(lastPoint));
if (lastEdge != null)
{
lastEdge.AddAllMiddlePoints(allPoints);
}
}
public Point2D PointOnlyInThis(Edge2D other)
{
Point2D p1 = Points[0];
if (!other.Points.Contains(p1))
{
return(p1);
}
else
{
return(Points[1]);
}
}
public Point2D PointInBoth(Edge2D other)
{
Point2D p1 = Points[0];
if (other.Points.Contains(p1))
{
return(p1);
}
else
{
return(Points[1]);
}
}
public bool IsMatchFor(Edge2D edge)
{
return(IsMatchFor(edge.Points[0], edge.Points[1]));
}