private void RemoveCloseBlockNodes(Block block)
{
List <int> toBeRemovedIndexes = new List <int>();
for (int i = 0; i < block.Nodes.Count; i++)
{
int nextIdx = i == block.Nodes.Count - 1 ? 0 : i + 1;
BlockNode currentNode = block.Nodes[i];
BlockNode nextNode = block.Nodes[nextIdx];
if (currentNode.Equals(nextNode))
{
toBeRemovedIndexes.Add(i);
}
}
for (int i = toBeRemovedIndexes.Count - 1; i >= 0; i--)
{
block.Nodes.RemoveAt(toBeRemovedIndexes[i]);
}
}