// Constructs a face node and sets its parent
public FaceNode(FaceNode p, Face f)
{
sons = new List <FaceNode>();
face = f;
parent = p;
p.addSon(this);
}
// Creates vertices, edges and faces and inserts them in the model's strucutre
public void generateNewCreases(Plane p)
{
List <EdgeNode> activeEdgeNodes = edgeBTL.getLeaveNodes();
List <Vertex> activeVertices = getVertices();
List <Vertex> cutVertices = new List <Vertex>();
/// si tallo un vertex el tinc en compte d(etermineSide =0)
for (int i = 0; i < activeVertices.Count; i++)
{
if (p.determineSide(activeVertices[i]) == 0)
{
cutVertices.Add(activeVertices[i]);
}
}
/// per cada aresta que es talla faig split i genero un vertex
for (int i = 0; i < activeEdgeNodes.Count; i++)
{
EdgeNode parent = activeEdgeNodes[i];
Vertex o = parent.getEdge().origin;
Vertex e = parent.getEdge().end;
Vector3 point = parent.getEdge().isCut(p);
Vector3 inf = new Vector3(999999, 999999, 999999);
if (point != inf)
{
Vertex v = new Vertex(point, step);
cutVertices.Add(v);
vertexLL.addVertex(v);
Edge edgel = new Edge(o, v, step);
EdgeNode ls = new EdgeNode(parent, edgel);
Edge edger = new Edge(v, e, step);
EdgeNode rs = new EdgeNode(parent, edger);
v.addEdge(edgel);
v.addEdge(edger);
parent.setSons(ls, rs);
}
}
/// per cada vertex que comparteix cara 2 a 2 genero una aresta
for (int i = 0; i < cutVertices.Count; i++)
{
for (int j = i + 1; j < cutVertices.Count; j++)
{
FaceNode f = shareFace(cutVertices[i], cutVertices[j]);
if (f != null)
{
Edge e = new Edge(cutVertices[i], cutVertices[j], step);
cutVertices[i].addEdge(e);
cutVertices[j].addEdge(e);
edgeBTL.addEdge(e);
/// genero cares
/// agafo tots els vertex de la cara original i elsdaquesta aresta nova
/// filtro repetits
///si estan a laresta van als dos
///s determineside de tots
///0 als 2
///1 a f1
///-1 f2
///
List <Vertex> l = f.getFace().getVertices();
if (!l.Contains(cutVertices[i]))
{
l.Add(cutVertices[i]);
}
if (!l.Contains(cutVertices[j]))
{
l.Add(cutVertices[j]);
}
int side;
List <Vertex> l1 = new List <Vertex>();
List <Vertex> l2 = new List <Vertex>();
for (int k = 0; k < l.Count; k++)
{
side = p.determineSide(l[k]);
if (side == 1)
{
l1.Add(l[k]);
}
else if (side == -1)
{
l2.Add(l[k]);
}
else
{
l1.Add(l[k]);
l2.Add(l[k]);
}
}
Face f1 = new Face(l1, step);
Face f2 = new Face(l2, step);
FaceNode fn1 = new FaceNode(f, f1);
FaceNode fn2 = new FaceNode(f, f2);
f.addSon(fn1);
f.addSon(fn2);
}
}
}
}
