void CreateChild()
{
int[] newCoords = PickNeighbour(coords, 0);
if((children.Count + connections.Count) < 4 && newCoords != null)
{
if(CheckAllNodes(newCoords))
{
Graph grph = new Graph (this, newCoords);
foreach (Graph gr in allNodes) {
if (gr.coords[0] == newCoords[0] && gr.coords[1] == newCoords[1]) {
grph.identifier = gr.identifier;
break;
}
}
connections.Add(grph);
}
else
{
Graph newGraph = new Graph(this, newCoords);
newGraph.AddNumber();
children.Add(newGraph);
allNodes.Add(newGraph);
}
}
}
