class MyPoint {
    float x, y; // members of class
    //Constructor
    MyPoint(float xin, float yin){
      x = xin;
      y = yin;
    }
    //Move
    void move(float xoff, float yoff){
      x += xoff;
      y += yoff;
    }
    //Rotate
    void rotate(float angle, MyPoint ref){
      float cosa, sina;
      cosa = cos(radians(angle));
      sina = sin(radians(angle));
      float newx = (x-ref.x) * cosa - (y-ref.y) * sina + ref.x;
      float newy = (y-ref.y) * cosa + (x-ref.x) * sina + ref.y;
      x = newx;
      y = newy;
    }
    //Scale
    void scale(float xs, float ys, MyPoint ref){
      x = (x-ref.x)*xs + ref.x;
      y = (y-ref.y)*ys + ref.y;
    }
  }