function Rectangle(options) { //fini Exo1
    this.__proto__ = new Shape();

    this.generatePoints = function (options) {
      var pointA = new Point();
      pointA.setToRandomPosition(10, 10);
      this.points.push(pointA);
      var pointB = new Point();
      pointB.x = pointA.x+options.maxWidth;
      pointB.y = pointA.y;
      this.points.push(pointB);
      var pointD = new Point();
      pointD.x = pointA.x+options.maxWidth;
      pointD.y = pointA.y+options.maxHeight;
      this.points.push(pointD);
      var pointC = new Point();
      pointC.x = pointA.x-options.maxWidth;
      pointC.y = pointA.y+options.maxHeight;
      this.points.push(pointC);
    }
  }