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Threlte is a Svelte library that simplifies creating 3D apps for the web. It provides a declarative, type-safe, reactive and interactive API out-of-the-box.

Threlte's 3D rendering is powered by Three.js, and it also provides a physics engine through Rapier and an animation studio via Theatre.js; see packages for details.

Check out our documentation and our Discord community.

For a quick interactive setup of a fresh Threlte project, run:

npm create threlte my-project

Alternatively you can check out the full installation instructions.

To get a hang of the basics, we recommend following our introductory tutorial.

Have questions? Feel free to ask in our Discord support forum.

• Clean API transparently exposing all Three.js objects through declarative API.

• Hooks providing easy access to low-level contexts like animation frames and the rendering engine.

• Plugins making it easy to extend Threlte with custom code and logic.

• Events enabling robust and Svelte-native access to state transformations in your scenes.

• Interactivity makes it easy to react to user inputs on 3D objects.

Threlte is comprised of six distinct packages to allow you to import only what you need:

• @threlte/core provides declarative and transparent Svelte binding to Three.js.

• @threlte/extras boosts productivity with assorted enhancements that extend Threlte's functionality.

• @threlte/gltf gives you a CLI to that turn GLTF assets into declarative and reusable Threlte components.

• @threlte/rapier enables performant physics in your Threlte app through the Rapier engine

• @threlte/theatre lets you animate in your Threlte app through the Theatre.js studio

• @threlte/xr** - components and hooks for VR and AR environments

• @threlte/flex** - components to easily use the flex engine yoga-layout with Threlte.

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

• Filing Issues - if you have feature requestions or you think you spotted a bug, submit an issue.
• Contributing Code - if you would like to drop us a PR, read the contribution guide first.

The MIT License (MIT). Please see the License File for more information.