code: function(targets){
              targets = targets || [];
              this.targets = targets;
              this.map.reset();
              for(var i = targets.length - 1; i >= 0; i--){
                  var target = targets[i];
                  this.map.add(target.x, target.y, target);
              }
          }
docs: Sets the targets, replacing currently set ones.
  @method setTargets
  @param {Array} targets