private List <GridElement> getNeighbours(GridElement node)
{
List <GridElement> nList = new List <GridElement>();
if (node.getDown())
{
nList.Add(isGridElement(node.getDown()));
}
if (node.getUp())
{
nList.Add(isGridElement(node.getUp()));
}
if (node.getLeft())
{
nList.Add(isGridElement(node.getLeft()));
}
if (node.getRight())
{
nList.Add(isGridElement(node.getRight()));
}
nList.RemoveAll(Node => Node == null);
return(nList);
}
