/// <summary>
/// Creates and opens a new empty node canvas
/// </summary>
public void NewNodeCanvas()
{
nodeCanvas = ScriptableObject.CreateInstance <Node_Canvas_Object>();
nodeCanvas.nodes = new List <Node>();
openedCanvas = "New Canvas";
openedCanvasPath = "";
RootNode rootNode = RootNode.Create(new Rect(0, 0, 100, 50));
EndNode endNode = EndNode.Create(new Rect(0, 200, 100, 50));
rootNode.Linkers[(int)Node.LinkType.To].connection = endNode.Linkers[(int)Node.LinkType.From];
rootNode.Linkers[(int)Node.LinkType.To].connectionID = endNode.ID;
endNode.Linkers[(int)Node.LinkType.From].connection = rootNode.Linkers[(int)Node.LinkType.To];
endNode.Linkers[(int)Node.LinkType.From].connectionID = rootNode.ID;
}