public LRTriangleMesh ResolveTriangles(int[] vertexMapping)
{
this.vertexMapping = vertexMapping;
lrCornerResolver = new LRCornerResolver(ref lrTriangleMesh, ref ctTriangleMesh, ref tMarked, ref vertexMapping);
//Loop through all vertices
for (int i = 0; i < vertexMapping.Length; i++)
{
int[] faces = ctTriangleMesh.VF(i);
int[][] facesSharingRingEdge = LRUtils.GetFacesSharingRingEdge(faces, tMarked);
if (vMarked[i]) //If vertex is marked then its not isolated and therefore has a ring edge (is start vertex of a ring edge)
{
if (facesSharingRingEdge[0] != null && !tProcessed[facesSharingRingEdge[0][0]])
{
//Resolve "left" triangle
int c = ctTriangleMesh.GetSpecificCorner(facesSharingRingEdge[0][0], i); //Get the corner of the vertex, which is incident with the marked triangle of the ring edge, where the vertex is the start vertex
int pc = ctTriangleMesh.P(c); //Get the next corner around the triangle, which is the one facing the ring edge
lrTriangleMesh.LR[(2 * vertexMapping[ctTriangleMesh.V(c)])] = vertexMapping[ctTriangleMesh.V(pc)]; //Store the mapped vertex index (laced ring vertex index) in the LR table at the correct pos.
}
if (facesSharingRingEdge[0] != null && !tProcessed[facesSharingRingEdge[0][1]])
{
//Resolve "right" triangle
int c = ctTriangleMesh.GetSpecificCorner(facesSharingRingEdge[0][1], i); //Get the corner of the vertex, which is incident with the marked triangle of the ring edge, where the vertex is the start vertex
int nc = ctTriangleMesh.N(c); //Get the previous corner around the triangle, which is the one facing the ring edge
lrTriangleMesh.LR[(2 * vertexMapping[ctTriangleMesh.V(c)]) + 1] = vertexMapping[ctTriangleMesh.V(nc)]; //Store the mapped vertex index (laced ring vertex index) in the LR table at the correct pos.
}
T0LookUp(i, faces); //Look up if vertex is part of a T0 and handle accordingly
}
else //Isolated vertex
{
CheckAndResolveIsolatedVertex(i); //Create entry for isolated vertex
T0LookUp(i, faces); //Look up if it is part of a T0 and handle accordingly
}
}
//Store results in lr object
lrTriangleMesh.T = t.ToArray();
lrTriangleMesh.O = lrCornerResolver.O.ToArray();
lrTriangleMesh.TS = ts.ToArray();
lrTriangleMesh.OS = lrCornerResolver.OS.ToArray();
lrTriangleMesh.C = lrCornerResolver.IsolatedCorners.ToArray();
return(lrTriangleMesh);
}
public LRTriangleMesh ResolveVertices(out int[] vertexMapping)
{
//init vertex-map with -1
vertexMapping = new int[ctTriangleMesh.Points.Length];
for (int i = 0; i < vertexMapping.Length; i++)
{
vertexMapping[i] = -1;
}
lrTriangleMesh.V = new Point3D[ctTriangleMesh.Points.Length];
//Get vertex which is on the ring (any)
int startCtVertex = 0;
while (true)
{//Find first marked vertex -> startvertex
if (vMarked[startCtVertex] == true)
{
break;
}
startCtVertex++;
}
lrTriangleMesh.V[0] = ctTriangleMesh.Points[startCtVertex]; //Save start vertex
vertexMapping[startCtVertex] = 0; //Create entry in map -> index = pos of vertex in corner table, value = pos of vertex in lr
int index = 1;
for (int currCtVertex = startCtVertex; ; index++)
{
int[] faces = ctTriangleMesh.VF(currCtVertex); //Get faces incident with vertex
int[][] facesSharingRingEdge = LRUtils.GetFacesSharingRingEdge(faces, tMarked);
currCtVertex = GetNextRingVertex(currCtVertex, facesSharingRingEdge); //Get next ring-vertex left to the current one
if (currCtVertex == startCtVertex)
{
break; //Back at the start of the ring
}
lrTriangleMesh.V[index] = ctTriangleMesh.Points[currCtVertex]; //Save that vertex
vertexMapping[currCtVertex] = index;
}
lrTriangleMesh.MR = index;
return(lrTriangleMesh);
}