/// <summary>
/// Start empty data struct
/// This constructor is good only when you insert the triangles manually
/// </summary>
public DataStructHE( IFaceTree faceTree )
{
// init the face tree
this.faceTree = faceTree;
// ini the min max boundary
BoundaryMinMax = new BoundaryNodeMaxMin();
}
/// <summary>
/// Init the internal state
/// </summary>
/// <param name="ver1"></param>
/// <param name="ver2"></param>
/// <param name="ver3"></param>
/// <param name="faceTree"></param>
private void Init(IVertex<float> ver1, IVertex<float> ver2, IVertex<float> ver3, IFaceTree faceTree)
{
// init the face tree
this.faceTree = faceTree;
// ini the min max boundary
BoundaryMinMax = new BoundaryNodeMaxMin();
// add the 3 half edge
Half_Edge he1, he2, he3;
// crate the triangle
Half_Edge.CreateTriangle(ver1, ver2, ver3,
out he1, out he2, out he3);
// create and link the boundary list
{
// create the boundary list
RootBoundaryNode = new BoundaryNode(he1, true);
BoundaryNode nextBoundaryNode1 = new BoundaryNode(he1.NextEdge);
BoundaryNode nextBoundaryNode2 = new BoundaryNode(he1.NextEdge.NextEdge);
// link the root with the next node
RootBoundaryNode.NextNode = nextBoundaryNode1;
nextBoundaryNode1.PrevNode = RootBoundaryNode;
// link the root with the next node
nextBoundaryNode1.NextNode = nextBoundaryNode2;
nextBoundaryNode2.PrevNode = nextBoundaryNode1;
// link the first with the last one
nextBoundaryNode2.NextNode = RootBoundaryNode;
RootBoundaryNode.PrevNode = nextBoundaryNode2;
// select the min/max nodes
{
// init min/max
BoundaryMinMax.X_Max = RootBoundaryNode;
BoundaryMinMax.X_Min = RootBoundaryNode;
BoundaryMinMax.Y_Max = RootBoundaryNode;
BoundaryMinMax.Y_Min = RootBoundaryNode;
// set the start node and move to the next one
// because we use the first for init
BoundaryNode tmpNode = RootBoundaryNode;
tmpNode = tmpNode.NextNode;
while (true)
{
// update the boundary max/min
UpdateBoundaryMaxMin(tmpNode);
// move to the next node
tmpNode = tmpNode.NextNode;
// break if we are in the start
if (tmpNode.IsTheRoot)
break;
}
}
}
// create a face base on the 3 vertex
Face newFace = new Face(he1);
// add the face to the tree
faceTree.Add(newFace);
}
