/**
* \brief Collapses all passed indices to a single shared index.
*
*/
public static bool MergeVertices(this pb_Object pb, int[] indices)
{
Vector3[] verts = pb.vertices;
Vector3 cen = Vector3.zero;
foreach (int i in indices)
{
cen += verts[i];
}
cen /= (float)indices.Length;
pb_IntArray[] sharedIndices = pb.sharedIndices;
int newIndex = pb_IntArrayUtility.MergeSharedIndices(ref sharedIndices, indices);
pb.SetSharedIndices(sharedIndices);
int firstTriInSharedIndexArr = pb.sharedIndices[newIndex][0];
pb.SetSharedVertexPosition(firstTriInSharedIndexArr, cen);
int[] mergedSharedIndex = pb.GetSharedIndices()[newIndex].array;
int[] removedIndices = pb.RemoveDegenerateTriangles();
// get a non-deleted index to work with
int ind = -1;
for (int i = 0; i < mergedSharedIndex.Length; i++)
{
if (!removedIndices.Contains(mergedSharedIndex[i]))
{
ind = mergedSharedIndex[i];
}
}
int t = ind;
for (int i = 0; i < removedIndices.Length; i++)
{
if (ind > removedIndices[i])
{
t--;
}
}
pb.ClearSelection();
if (t > -1)
{
pb.SetSelectedTriangles(new int[1] {
t
});
}
return(true);
}
