////  multipleCursorsExample.js//  examples////  Created by Thijs Wenker on 7/23/14.//  Copyright 2014 High Fidelity, Inc.////  This is an example script that demonstrates use of multiple cursors////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// var cursors = {}; function Cursor(event) {    this.deviceID = event.deviceID;        this.held_buttons = {        LEFT: false,        MIDDLE: false,        RIGHT: false    }    this.updatePosition = function(event) {        this.x = event.x;        this.y = event.y;    };    this.pressEvent = function(event) {        if (this.held_buttons[event.button] != undefined) {            this.held_buttons[event.button] = true;        }    };    this.releaseEvent = function(event) {        if (this.held_buttons[event.button] != undefined) {            this.held_buttons[event.button] = false;        }    };    this.updatePosition(event);} function mousePressEvent(event) {    if (cursors[event.deviceID] == undefined) {        cursors[event.deviceID] = new Cursor(event);    }    cursors[event.deviceID].pressEvent(event);} function mouseReleaseEvent(event) {    if (cursors[event.deviceID] == undefined) {        cursors[event.deviceID] = new Cursor(event);    }    cursors[event.deviceID].releaseEvent(event);} function mouseMoveEvent(event) {    if (cursors[event.deviceID] == undefined) {        cursors[event.deviceID] = new Cursor(event);    } else {        cursors[event.deviceID].updatePosition(event);    }} var lastOutputString = "";function checkCursors() {    if(lastOutputString != JSON.stringify(cursors)) {        lastOutputString = JSON.stringify(cursors);        // outputs json string of all cursors only when a change occured        print(lastOutputString);    }} Script.update.connect(checkCursors); // Map the mouse events to our functionsController.mousePressEvent.connect(mousePressEvent);Controller.mouseMoveEvent.connect(mouseMoveEvent);Controller.mouseReleaseEvent.connect(mouseReleaseEvent);