void OnEnable()
{
InitToolRes();
if (currentGraph == null)
{
currentGraph = ScriptableObject.CreateInstance <UIGraph>();
Vector2 pos = new Vector2(position.width / 2, position.height / 2);
currentGraph.AddNode <RootNode>(pos);
}
_willRepaint = true;
_zoomPivotPos = new Vector2(position.width / 2, position.height / 2);
EditorApplication.playmodeStateChanged += PlayModeChange;
}
public void AddUIGraphNode(UIGraphNode node)
{
Graph.AddNode(node);
DrawGraph();
}