////  exampleUpdateNoDisconnect.js//  examples/entityScripts////  Created by Brad Hefta-Gaub on 4/18/16.//  Copyright 2016 High Fidelity, Inc.////  This is an example of an entity script which hooks the update signal////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// (function() {    var _this;     // this is the "constructor" for the entity as a JS object we don't do much here, but we do want to remember    // our this object, so we can access it in cases where we're called without a this (like in the case of various global signals)    ExampleUpdate = function() {          _this = this;    };     ExampleUpdate.prototype = {         // update() will be called regulary, because we've hooked the update signal in our preload() function.        // we will check the avatars hand positions and if either hand is in our bounding box, we will notice that        update: function() {            // because the update() signal doesn't have a valid this, we need to use our memorized _this to access our entityID            var entityID = _this.entityID;            print("update in entityID:" + entityID);        },         // preload() will be called when the entity has become visible (or known) to the interface        // it gives us a chance to set our local JavaScript object up. In this case it means:        //   * remembering our entityID, so we can access it in cases where we're called without an entityID        //   * connecting to the update signal so we can check our grabbed state        preload: function(entityID) {            print("preload - entityID:" + entityID);            this.entityID = entityID;            Script.update.connect(this.update);        },         // unload() will be called when our entity is no longer available. It may be because we were deleted,        // or because we've left the domain or quit the application. In all cases we want to unhook our connection        // to the update signal        unload: function(entityID) {            print("unload - entityID:" + entityID);            print("NOTE --- WE DID NOT CALL Script.update.disconnect()");        },    };     // entity scripts always need to return a newly constructed object of our type    return new ExampleUpdate();})