public LineSegment2D[] GetLineSegments() { LineSegment2D[] res = new LineSegment2D[3]; for (int i=0;i<3;i++){ res[i] = new LineSegment2D(new Vector2D(points[i].x,points[i].y), new Vector2D(points[(i+1)%3].x,points[(i+1)%3].y)); } return res; }