code: function translate(x, y) {
           this.pos.x += x;
           this.pos.y += y;
  
           this._bounds.translate(x, y);
  
           return this;
         }
docs: translate the circle/ellipse by the specified offset
  @name translate
  @memberOf me.Ellipse.prototype
  @function
  @param {Number} x x offset
  @param {Number} y y offset
  @return {me.Ellipse} this ellipse