private void drawTreeArea()
{
// scrollPosition = GUILayout.BeginScrollView(scrollPosition, true, true);
Rect canvasRect = new Rect(0, 0, canvasSize * 2, canvasSize * 2);
Texture2D bgTex = Resources.Load("background") as Texture2D;
Rect coord = new Rect(0, 0, canvasSize / bgTextureSize, canvasSize / bgTextureSize);
GUI.DrawTextureWithTexCoords(canvasRect, bgTex, coord);
foreach (BehaviourTreeTask node in selectedBehaviour.GetNodes())
{
DrawConnections(node);
}
foreach (BehaviourTreeTask node in selectedBehaviour.GetNodes())
{
DrawNode(node);
}
// GUILayout.EndScrollView();
}