public void RemoveVertex(int index)
{
Debug.Assert(spriteMeshData != null);
//We need to delete the edges that reference the index
List <Edge> edgesWithIndex;
if (FindEdgesContainsIndex(index, out edgesWithIndex))
{
//If there are 2 edges referencing the same index we are removing, we can create a new one that connects the endpoints ("Unsplit").
if (edgesWithIndex.Count == 2)
{
Edge first = edgesWithIndex[0];
Edge second = edgesWithIndex[1];
int index1 = first.index1 != index ? first.index1 : first.index2;
int index2 = second.index1 != index ? second.index1 : second.index2;
CreateEdge(index1, index2);
}
//remove found edges
for (int i = 0; i < edgesWithIndex.Count; i++)
{
RemoveEdge(edgesWithIndex[i]);
}
}
//Fix indices in edges greater than the one we are removing
for (int i = 0; i < spriteMeshData.edges.Count; i++)
{
Edge edge = spriteMeshData.edges[i];
if (edge.index1 > index)
{
edge.index1--;
}
if (edge.index2 > index)
{
edge.index2--;
}
spriteMeshData.edges[i] = edge;
}
spriteMeshData.RemoveVertex(index);
}
