public ReactiveHud() { mObjectOverHighlight = new ScalableSelector(); mCursorLine = new ClosestNodeToCursorLine(); mLinkHighlight = Polygon.CreateRectangle(1, 1); mLinkHighlight.Color = Color.LightBlue; mCurrentLinkHighlight = Polygon.CreateRectangle(1, 1); mCurrentLinkHighlight.Color = Color.Green; }