public override void OnInspectorGUI()
{
DrawDefaultInspector();
GraphController g_controller = (GraphController)target;
if (GUILayout.Button("Find shortest path"))
{
g_controller.Pathfinder();
}
if (GUILayout.Button("Add vertex"))
{
g_controller.AddVertex();
}
if (GUILayout.Button("Add edge"))
{
g_controller.AddEdge();
}
}