protected void AddVertex(Face face, Vertex vertex)
{
base.AddVertex(vertex);
Faces.Remove(face);
HalfEdge h1 = face.HalfEdge;
HalfEdge h2 = h1.Next;
HalfEdge h3 = h2.Next;
HalfEdge h4 = new HalfEdge(h1.Origin);
HalfEdge h5 = new HalfEdge(h2.Origin);
HalfEdge h6 = new HalfEdge(h3.Origin);
HalfEdge h7 = new HalfEdge(vertex);
HalfEdge h8 = new HalfEdge(vertex);
HalfEdge h9 = new HalfEdge(vertex);
HalfEdges.AddRange(new List<HalfEdge> {h4, h5, h6, h7, h8, h9});
h4.Twin = h7;
h7.Twin = h4;
h5.Twin = h8;
h8.Twin = h5;
h6.Twin = h9;
h9.Twin = h6;
// Set all next
h1.Next = h5;
h5.Prev = h1;
h5.Next = h7;
h7.Prev = h5;
h7.Next = h1;
h1.Prev = h7;
h2.Next = h6;
h6.Prev = h2;
h6.Next = h8;
h8.Prev = h6;
h8.Next = h2;
h2.Prev = h8;
h3.Next = h4;
h4.Prev = h3;
h4.Next = h9;
h9.Prev = h4;
h9.Next = h3;
h3.Prev = h9;
Triangle t1 = new Triangle(h1);
Triangle t2 = new Triangle(h2);
Triangle t3 = new Triangle(h3);
Faces.Add(t1);
Faces.Add(t2);
Faces.Add(t3);
Tree.Add(vertex, t1, t2, t3);
LogEntry logEntry = new LogEntry("Adding edges.", this);
logEntry.Objects.Add(vertex);
Log.Add(logEntry);
}
public Tree(Face root)
{
Root = new Node(root);
}
public Node(Face face)
{
Face = face;
}
private void DrawFace(Face face, Color color)
{
if (face == null)
return;
SolidColorBrush solidColorBrush = new SolidColorBrush();
solidColorBrush.Color = color;
Polygon p = new Polygon
{
Stroke = Brushes.Black,
Fill = solidColorBrush,
StrokeThickness = 1,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Center,
Points = new PointCollection()
};
foreach (Vertex vertex in face.Vertices)
{
p.Points.Add(new Point(vertex.X, vertex.Y));
}
canvas.Children.Add(p);
}