code: function(attrs, redraw) {
          var i = 0,
              items = this.items,
              len = this.length;
              
          for (; i < len; i++) {
              items[i].setAttributes(attrs, redraw);
          }
          return this;
      }
docs: Iterates through all sprites calling `setAttributes` on each one. For more information {@link Ext.draw.Sprite}
  provides a description of the attributes that can be set with this method.
  @param {Object} attrs Attributes to be changed on the sprite.
  @param {Boolean} redraw Flag to immediately draw the change.
  @return {Ext.draw.CompositeSprite} this