code: function getRegion(name, atlas) {
           var region;
  
           if (typeof atlas === "string") {
             region = this.getAtlas(atlas)[name];
           } else {
             // look for the given region in each existing atlas
             this.atlases.forEach(function (atlas) {
               if (typeof atlas[name] !== "undefined") {
                 // there should be only one
                 region = atlas[name];
               }
             });
           }
  
           return region;
         }
docs: return a normalized region (or frame) information for the specified sprite name
  @name getRegion
  @memberOf me.Renderer.Texture
  @function
  @param {String} name name of the sprite
  @param {String} [atlas] name of a specific atlas where to search for the region
  @return {Object}