public List <FaceWE> FlipEdge(EdgeWE e)
{
List <FaceWE> f = new List <FaceWE>();
FaceWE lf = e.LeftFace;
FaceWE rf = e.RightFace;
VertexWE v1 = e.Vertex1;
VertexWE v2 = e.Vertex2;
VertexWE rv = null;
VertexWE lv = null;
List <VertexWE> rfvertices = GetFaceVertices(rf);
List <VertexWE> lfvertices = GetFaceVertices(lf);
for (int i = 0; i < rfvertices.Count; i++)
{
if (!Equals(v1, rfvertices[i]) && !Equals(v2, rfvertices[i]))
{
rv = rfvertices[i];
}
if (!Equals(v1, lfvertices[i]) && !Equals(v2, lfvertices[i]))
{
lv = lfvertices[i];
}
}
RemoveFace(rf);
RemoveFace(lf);
f.Add(AddFace(rv, lv, v1));
f.Add(AddFace(rv, lv, v2));
return(f);
}
public FaceWE AddFace(VertexWE a, VertexWE b, VertexWE c)
{
if (!FaceAlreadyExist(a, b, c))
{
if (!IsClockwise(a, b, c))
{
VertexWE aux = a;
a = b;
b = aux;
}
FaceWE f = ScriptableObject.CreateInstance("FaceWE") as FaceWE;
EdgeWE e1 = EdgeAlreadyExist(a, b);
EdgeWE e2 = EdgeAlreadyExist(b, c);
EdgeWE e3 = EdgeAlreadyExist(c, a);
if (e1 == null)
{
EdgeWE aux1 = ScriptableObject.CreateInstance("EdgeWE") as EdgeWE;
aux1.Init(a, b);
a.Edges.Add(aux1);
b.Edges.Add(aux1);
Edges.Add(aux1);
f.Edges.Add(aux1);
aux1.RightFace = f;
}
else
{
if (e1.RightFace == null)
{
e1.RightFace = f;
}
else
{
e1.LeftFace = f;
}
f.Edges.Add(e1);
}
if (e2 == null)
{
EdgeWE aux2 = ScriptableObject.CreateInstance("EdgeWE") as EdgeWE;
aux2.Init(b, c);
b.Edges.Add(aux2);
c.Edges.Add(aux2);
Edges.Add(aux2);
aux2.RightFace = f;
f.Edges.Add(aux2);
}
else
{
if (e2.RightFace == null)
{
e2.RightFace = f;
}
else
{
e2.LeftFace = f;
}
f.Edges.Add(e2);
}
if (e3 == null)
{
EdgeWE aux3 = ScriptableObject.CreateInstance("EdgeWE") as EdgeWE;
aux3.Init(c, a);
c.Edges.Add(aux3);
a.Edges.Add(aux3);
Edges.Add(aux3);
aux3.RightFace = f;
f.Edges.Add(aux3);
}
else
{
if (e3.RightFace == null)
{
e3.RightFace = f;
}
else
{
e3.LeftFace = f;
}
f.Edges.Add(e3);
}
Faces.Add(f);
return(f);
}
return(null);
}
