code: function () {
              return new me.Ellipse(
                  this.pos.x,
                  this.pos.y,
                  this.radiusV.x * 2,
                  this.radiusV.y * 2
              );
          }
docs: clone this Ellipse
  @name clone
  @memberOf me.Ellipse.prototype
  @function
  @return {me.Ellipse} new Ellipse