/**
* Initialization method.
*
* @method initialize
* @constructor
**/
public BehaviorTree(object target = null)
{
_target = target;
this._id = B3.CreateUUID();
this.title = "The behavior tree";
this.description = "Default description";
this.properties = new Dictionary <string, string>();
_nodeDic = new Dictionary <string, BaseNode>();
_tick = new Tick();
_tick.Tree = this;
_tick.Target = _target;
}