public static void CreateGraph()
{
var graph = new GameObject().AddComponent <UniGraph>();
graph.SetName(graph.name);
//add main root node
var root = graph.AddNode <UniPortNode>(DefaultInputNodeName);
root.name = DefaultInputNodeName;
root.direction = PortIO.Input;
var activePath = AssetDatabase.GetAssetPath(Selection.activeObject);
var assetFolder = Directory.Exists(activePath) ? activePath :
Path.GetDirectoryName(activePath);
AssetEditorTools.SaveAsset(graph.gameObject, DefaultGraphName, assetFolder);
}
