/// <summary>Add 4 nodes and 2 triangles to the solution.</summary>
private void CreateSuperBox(FaceExList dynamics)
{
int count = this.m_nodes.Count;
double x0 = default(double);
double x1 = default(double);
double y0 = default(double);
double y1 = default(double);
this.m_nodes.BoundingBox(10.0, true, ref x0, ref x1, ref y0, ref y1);
Node2 node1 = new Node2(x0, y0, -100);
Node2 node2 = new Node2(x0, y1, -101);
Node2 node3 = new Node2(x1, y0, -102);
Node2 node4 = new Node2(x1, y1, -103);
this.m_nodes.Append(node1);
this.m_nodes.Append(node2);
this.m_nodes.Append(node3);
this.m_nodes.Append(node4);
this.m_nodes.Sort(Node2List.NodeListSort.X);
this.set_SuperBoxIndex(0, this.m_nodes.InternalList.IndexOf(node1));
this.set_SuperBoxIndex(1, this.get_SuperBoxIndex(0) + 1);
this.set_SuperBoxIndex(2, this.m_nodes.Count - 2);
this.set_SuperBoxIndex(3, this.m_nodes.Count - 1);
dynamics.AddFace(this.get_SuperBoxIndex(0), this.get_SuperBoxIndex(2), this.get_SuperBoxIndex(3), this.m_nodes);
dynamics.AddFace(this.get_SuperBoxIndex(0), this.get_SuperBoxIndex(3), this.get_SuperBoxIndex(1), this.m_nodes);
}
private bool Triangulate()
{
FaceExList dynamics = new FaceExList(this.m_nodes.Count);
this.m_faces.Clear();
this.m_faces.Capacity = this.m_nodes.Count * 2;
bool flag;
if (this.m_nodes == null)
{
flag = false;
}
else if (this.m_nodes.Count < 3)
{
flag = false;
}
else
{
this.CreateSuperBox(dynamics);
List <FaceEx> F = new List <FaceEx>();
int num1 = this.get_SuperBoxIndex(1) + 1;
int num2 = this.get_SuperBoxIndex(2) - 1;
for (int C = num1; C <= num2; ++C)
{
Node2 node = this.m_nodes[C];
dynamics.MigrateStaticFaces(this.m_faces, node.x);
F.Clear();
if (dynamics.CullFaces(node.x, node.y, F) != 0)
{
EdgeList edgeList = new EdgeList(F);
edgeList.TrimHighValenceEdges();
int num3 = edgeList.Count - 1;
for (int index = 0; index <= num3; ++index)
{
dynamics.AddFace(edgeList[index].A, edgeList[index].B, C, this.m_nodes);
}
}
}
dynamics.MigrateRemainingFaces(this.m_faces);
this.DestroySuperBox();
this.SolveStaticOrientation();
flag = true;
}
return(flag);
}