EMBR HTML Client

Introduction

• HMTL based version of Behaviour Builder.
• This application make use of Websocket technology to communicate with the Panda3D character. Modern fornt-end technologies like Javascript, JQuery, JQuery-UI and Bootstrap is used to create this interface.
• This application is used to create Animated Signs in American Sign Language.
• Signs are created as EMBR scripts, which can be played as an animation in Panda3D.
• Signs can be saved as EMBR script files, which is used to create an Animated ASL Dictionary.

NOTE: This application is compiled for Mac OS X El Capitan. To compile it for a higher version e.g. Mac OS X Sierra, this application will require a compatible Panda3D runtime (which is currently not supported for Sierra).

NOTE: For a fresh compilation, please refer to SMR EMBR Compilation Guide

Technologies Required

• Mac OS X El Capitan 10.11.6
• Google Chrome
• Python 2.7.10
• Panda3D Runtime
• SimpleWebSocketServer Python library(See required modules for installation instucrtions)
• BetterBen (for EL Capitan)
• EMBR HTML Client code

Installation

1. Panda3D Runtime

• Panda3D runtime has come up with a fix to work for Mac OS X El Capitan.
• This fix can be downloaded here
• Download and follow the instructions given by Panda3D community here

2. SimpleWebSocketServer

You can install SimpleWebSocketServer by running the following command...

sudo pip install git+https://github.com/dpallot/simple-websocket-server.git

Or by downloading the repository here and running sudo python setup.py install. Installation via pip is suggested.

3. Apache PHP

Mac OS X El Capitan comes pre-installed with PHP version 5.5

Running Commands

First, open the Terminal app and switch to the root user so you can run the commands in this post without any permission issues:

sudo su -

Enable Apache on Mac OS X

apachectl start

Verify It works! by accessing http://localhost

Enable PHP for Apache

First, make a backup of the default Apache configuration. This is good practice and serves as a comparison against future versions of Mac OS X.

cd /etc/apache2/

cp httpd.conf httpd.conf.bak

Now edit the Apache configuration. Feel free to use TextEdit if you are not familiar with vi.

vi httpd.conf

Uncomment the following line (remove #):

LoadModule php5_module libexec/apache2/libphp5.so

Restart Apache:

apachectl restart

NOTE: Please refer to Jason McCreary's Tutorial and/or Neil Gee's Tutorial for a detailed installation guide.

4. BetterBen(for El Capitan)

Download the Executable files for Panda3D character BetterBen here. Unzip and Run the file named Run_EMBR

5. EMBR HTML Client code

1. Download the latest EMBR HTHL Client code from the github repository here
2. Extract the code to run it on a local Apache PHP server. Refer Apache Server installation in Required Modules section.
3. To run the code on PHP server : Copy the entire code into a directory, place it under ~/Sites directory, rename the code directory to 'EMBR_HTML_Client'
4. Run command chmod -R 755 EMBR_HTML_Client on the directory
5. Try to run the code by opening the url "http://localhost/~USER/EMBRHtmlClient/" where "USER" is the username of Mac OS X user.

Developed by

• Aditya Padhye, contact me here