class MySegment {
    MyPoint start; // members of class
    MyPoint end;
    //Constructor
    MySegment(MyPoint p1, MyPoint p2){
      start = new MyPoint(p1.x, p1.y);
      end = new MyPoint(p2.x, p2.y);
    }
    //Move
    void move(float xoff, float yoff){
      start.move(xoff, yoff);
      end.move(xoff, yoff);
    }
    //Rotate
    void rotate (float angle, MyPoint ref) {
      start.rotate(angle, ref);
      end.rotate(angle, ref);
    }
    //Scale
    void scale(float xs, float ys, MyPoint ref){
      start.scale(xs, ys, ref);
      end.scale(xs, ys, ref);
    }
    // plot
    void plot (){
      line(start.x, start.y, end.x, end.y);
    }
  }