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aws-samples / amazon-sumerian-hosts

Amazon Sumerian Hosts (Hosts) is an experimental open source project that aims to make it easy to create interactive animated 3D characters for Babylon.js, three.js, and other web 3D frameworks. It leverages AWS services including Amazon Polly (text-to-speech) and Amazon Lex (chatbot).
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Amazon Sumerian Hosts

Amazon Sumerian Hosts (Hosts) is an experimental open source project that aims to make it easy to create interactive animated 3D characters for Babylon.js, three.js, and other web 3D frameworks. It leverages AWS services including Amazon Polly (text-to-speech) and Amazon Lex (chatbot).

Compatibility

⚠️ Hosts is currently compatible with BabylonJS v4 (4.2.1+). There are know issues if you try to use Hosts with BabylonJS v5. If you would like to see support for BabylonJS v5 added, comment on this enhancement request issue.

✏️ Hosts have been tested with Three.js v0.127.0.

Hosts

Hosts provides a Javascript API for managing animations, synthesizing and playing speech with Amazon Polly, generating lipsync animation at runtime, and interacting with an Amazon Lex chatbot. The project is divided into four packages:

License

This library is licensed under the MIT-0 License. See the LICENSE file. The assets within examples folders are licensed under the CC-BY-4.0 License. See the LICENSE file.

Usage

There are a number of ways to start using Hosts in your own projects.

Using plugins for the Babylon.JS Editor

The easiest way to get started using the hosts is by using plugins we provide for the Babylon.JS Editor:

Visit the aws-tools-for-babylonjs-editor repository for more details.

Using pre-built NPM modules

If you are creating applications outside of the Babylon.JS Editor, you can easily install the relevant Hosts module using NPM.

For Babylon.js projects use:

npm install @amazon-sumerian-hosts/babylon

For three.js projects use:

npm install @amazon-sumerian-hosts/three

For further details on how to integrate Hosts into your own projects, reference the included demo applications.

For full detail on the classes and methods available, see the API Documentation

Building from source

Building from source is considered an advanced option. It is not recommended unless you need to heavily customize the core Hosts functionality. Instructions on how to build from source can be found in the CONTRIBUTING document.

Demos

The included demos are the easiest way understand the capabilities of Hosts and to start learning to build your own Hosts applications.

For Babylon.js

The packages/demos-babylon/ folder contains a number of demo applications built with Babylon.js, each focused on a different feature of the Hosts API. Instructions for running the demos can be found in the folder's README.

For three.js

The packages/amazon-sumerian-hosts-three/examples/ folder contains a demo application built with three.js.

Graphical Assets

This repository contains 3D character and animation assets (glTF format) tailored to work well with the Hosts API. You can use them as-is, modify them in digital content creation software such as Blender or use them as a guide to develop your own 3D assets. You'll find the assets under packages/demos-babylon/src/character-assets/.

Integrating with other 3D engines

The @amazon-sumerian-hosts/core package provides the core host functionality that can be integrated into any engine. You will need to extend any host modules/classes that need to use resources or capabilities unique to your rendering engine. See the @amazon-sumerian-hosts/three and @amazon-sumerian-hosts/babylon package folders for examples of files you'll likely need to include. Generally you will need to extend Messenger if your engine has an event/messaging system, HostObject if your engine keeps track of time and delta time, AnimationFeature and SingleState if your engine has an animation system, and TextToSpeechFeature and Speech if your engine has an audio system.