internal void flipEdgeAndRebuild(FlippedEdge flippedEdge)
{
Edge edge = flippedEdge.edge;
//swap the positions
edge.beginVert.position = UsefulFunctions.convertPoint3dToVector(flippedEdge.rightFaceIntersection);
edge.endVert.position = UsefulFunctions.convertPoint3dToVector(flippedEdge.leftFaceIntersection);
//get faces in anticlockwise order starting with rightFace
Face face0 = edge.rightFace;
Face face1 = edge.endVert.returnNextAntiClockwiseFace(face0);
Face face2 = edge.leftFace;
Face face3 = edge.beginVert.returnNextAntiClockwiseFace(face2);
Face face2Check = edge.endVert.returnNextAntiClockwiseFace(face1);
if (face2.index != face2Check.index)
{
//problem we do not have the standard situation
}
Face face0Check = edge.beginVert.returnNextAntiClockwiseFace(face3);
if (face0Check.index != face0.index)
{
//again do not have the standard situation
}
//get edges in same order
Edge edge0 = edge.endVert.returnNextAntiClockwiseEdge(edge);
Edge edge1 = edge.endVert.returnNextAntiClockwiseEdge(edge0);
Edge edge2 = edge.beginVert.returnNextAntiClockwiseEdge(edge);
Edge edge3 = edge.beginVert.returnNextAntiClockwiseEdge(edge2);
int insertRef = findEdgePositionInList(edge.endVert.connectedEdges, edge1);
if (insertRef != -1)
{
edge.endVert.connectedEdges.Insert(insertRef + 1, edge2);
edge.beginVert.connectedEdges.Remove(edge2);
}
else
{
}
insertRef = findEdgePositionInList(edge.beginVert.connectedEdges, edge3);
if (insertRef != -1)
{
edge.beginVert.connectedEdges.Insert(insertRef + 1, edge0);
edge.endVert.connectedEdges.Remove(edge0);
}
else
{
}
insertRef = findVertexPositionInList(face1.faceVerts, edge.endVert);
if (insertRef != -1)
{
face1.faceVerts.Insert(insertRef + 1, edge.beginVert);
}
insertRef = findVertexPositionInList(face3.faceVerts, edge.beginVert);
if (insertRef != -1)
{
face3.faceVerts.Insert(insertRef + 1, edge.endVert);
}
insertRef = findEdgePositionInList(face1.faceEdges, edge1);
if (insertRef != -1)
{
face1.faceEdges.Insert(insertRef + 1, edge);
}
insertRef = findEdgePositionInList(face3.faceEdges, edge3);
if (insertRef != -1)
{
face3.faceEdges.Insert(insertRef + 1, edge);
}
face0.faceEdges.Remove(edge);
face2.faceEdges.Remove(edge);
face0.faceVerts.Remove(edge.endVert);
face2.faceVerts.Remove(edge.beginVert);
//is there something going wrong here!
//at some point
if (edge0.beginVert == edge.endVert)
{
edge0.beginVert = edge.beginVert;
}
else
{
edge0.endVert = edge.beginVert;
}
if (edge2.beginVert == edge.beginVert)
{
edge2.beginVert = edge.endVert;
}
else
{
edge2.endVert = edge.endVert;
}
edge.rightFace = face1;
edge.leftFace = face3;
}
protected virtual void OnFlippedEdge(FlippedEdgeEventArgs e)
{
sw.Stop();
FlippedEdge?.Invoke(this, e);
sw.Start();
}
