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https://github.com/pmndrs/react-three-fiber

🇨🇭 A React renderer for Three.js
https://github.com/pmndrs/react-three-fiber

3d animation fiber react renderer threejs

Last synced: 3 days ago
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🇨🇭 A React renderer for Three.js

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README 

        
> [!WARNING]  

> R3F v8 is not compatible with React 19 or Next 15, which uses React 19. Use the R3F v9 RC instead which can be installed with `@react-three/fiber@rc`.



> [!NOTE]  

> While we work on R3F v9 you can track compatibility of different libraries and common workarounds [here](https://github.com/verekia/three-gpu-ecosystem-tests).



@react-three/fiber



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react-three-fiber is a React renderer for threejs.



Build your scene declaratively with re-usable, self-contained components that react to state, are readily interactive and can participate in React's ecosystem.



```bash

npm install three @types/three @react-three/fiber

```



#### Does it have limitations?



None. Everything that works in Threejs will work here without exception.



#### Is it slower than plain Threejs?



No. There is no overhead. Components render outside of React. It outperforms Threejs in scale due to React's scheduling abilities.



#### Can it keep up with frequent feature updates to Threejs?



Yes. It merely expresses Threejs in JSX, `` dynamically turns into `new THREE.Mesh()`. If a new Threejs version adds, removes or changes features, it will be available to you instantly without depending on updates to this library.



### What does it look like?



  

    

      Let's make a re-usable component that has its own state, reacts to user-input and participates in the render-loop. (live demo).

      

        

          

        

      

    

  



```jsx

import { createRoot } from 'react-dom/client'

import React, { useRef, useState } from 'react'

import { Canvas, useFrame } from '@react-three/fiber'



function Box(props) {

  // This reference gives us direct access to the THREE.Mesh object

  const ref = useRef()

  // Hold state for hovered and clicked events

  const [hovered, hover] = useState(false)

  const [clicked, click] = useState(false)

  // Subscribe this component to the render-loop, rotate the mesh every frame

  useFrame((state, delta) => (ref.current.rotation.x += delta))

  // Return the view, these are regular Threejs elements expressed in JSX

  return (

     click(!clicked)}

      onPointerOver={(event) => hover(true)}

      onPointerOut={(event) => hover(false)}>

      

      

    

  )

}



createRoot(document.getElementById('root')).render(

  

    

    

    

    

    

  ,

)

```



  Show TypeScript example

  

```bash

npm install @types/three

```



```tsx

import * as THREE from 'three'

import { createRoot } from 'react-dom/client'

import React, { useRef, useState } from 'react'

import { Canvas, useFrame, ThreeElements } from '@react-three/fiber'



function Box(props: ThreeElements['mesh']) {

  const ref = useRef(null!)

  const [hovered, hover] = useState(false)

  const [clicked, click] = useState(false)

  useFrame((state, delta) => (ref.current.rotation.x += delta))

  return (

     click(!clicked)}

      onPointerOver={(event) => hover(true)}

      onPointerOut={(event) => hover(false)}>

      

      

    

  )

}



createRoot(document.getElementById('root') as HTMLElement).render(

  

    

    

    

    

    

  ,

)

```



Live demo: https://codesandbox.io/s/icy-tree-brnsm?file=/src/App.tsx



  Show React Native example



This example relies on react 18 and uses `expo-cli`, but you can create a bare project with their template or with the `react-native` CLI.



```bash

# Install expo-cli, this will create our app

npm install expo-cli -g

# Create app and cd into it

expo init my-app

cd my-app

# Install dependencies

npm install three @react-three/fiber@beta react@rc

# Start

expo start

```



Some configuration may be required to tell the Metro bundler about your assets if you use `useLoader` or Drei abstractions like `useGLTF` and `useTexture`:



```js

// metro.config.js

module.exports = {

  resolver: {

    sourceExts: ['js', 'jsx', 'json', 'ts', 'tsx', 'cjs'],

    assetExts: ['glb', 'png', 'jpg'],

  },

}

```



```tsx

import React, { useRef, useState } from 'react'

import { Canvas, useFrame } from '@react-three/fiber/native'

function Box(props) {

  const mesh = useRef(null)

  const [hovered, setHover] = useState(false)

  const [active, setActive] = useState(false)

  useFrame((state, delta) => (mesh.current.rotation.x += delta))

  return (

     setActive(!active)}

      onPointerOver={(event) => setHover(true)}

      onPointerOut={(event) => setHover(false)}>

      

      

    

  )

}

export default function App() {

  return (

    

      

      

      

      

      

    

  )

}

```



---



# Documentation, tutorials, examples



Visit [docs.pmnd.rs](https://docs.pmnd.rs/react-three-fiber)



# First steps



You need to be versed in both React and Threejs before rushing into this. If you are unsure about React consult the official [React docs](https://react.dev/learn), especially [the section about hooks](https://react.dev/reference/react). As for Threejs, make sure you at least glance over the following links:



1. Make sure you have a [basic grasp of Threejs](https://threejs.org/docs/index.html#manual/en/introduction/Creating-a-scene). Keep that site open.

2. When you know what a scene is, a camera, mesh, geometry, material, fork the [demo above](https://github.com/pmndrs/react-three-fiber#what-does-it-look-like).

3. [Look up](https://threejs.org/docs/index.html#api/en/objects/Mesh) the JSX elements that you see (mesh, ambientLight, etc), _all_ threejs exports are native to three-fiber.

4. Try changing some values, scroll through our [API](https://docs.pmnd.rs/react-three-fiber) to see what the various settings and hooks do.



Some helpful material:



- [Threejs-docs](https://threejs.org/docs) and [examples](https://threejs.org/examples)

- [Discover Threejs](https://discoverthreejs.com), especially the [Tips and Tricks](https://discoverthreejs.com/tips-and-tricks) chapter for best practices

- [Bruno Simons Threejs Jouney](https://threejs-journey.com), arguably the best learning resource, now includes a full [R3F chapter](https://threejs-journey.com/lessons/what-are-react-and-react-three-fiber)






# Ecosystem



There is a vibrant and extensive eco system around three-fiber, full of libraries, helpers and abstractions.



- [`@react-three/drei`](https://github.com/pmndrs/drei) – useful helpers, this is an eco system in itself

- [`@react-three/gltfjsx`](https://github.com/pmndrs/gltfjsx) – turns GLTFs into JSX components

- [`@react-three/postprocessing`](https://github.com/pmndrs/react-postprocessing) – post-processing effects

- [`@react-three/uikit`](https://github.com/pmndrs/uikit) – WebGL rendered UI components for three-fiber

- [`@react-three/test-renderer`](https://github.com/pmndrs/react-three-fiber/tree/master/packages/test-renderer) – for unit tests in node

- [`@react-three/offscreen`](https://github.com/pmndrs/react-three-offscreen) – offscreen/worker canvas for react-three-fiber

- [`@react-three/flex`](https://github.com/pmndrs/react-three-flex) – flexbox for react-three-fiber

- [`@react-three/xr`](https://github.com/pmndrs/react-xr) – VR/AR controllers and events

- [`@react-three/csg`](https://github.com/pmndrs/react-three-csg) – constructive solid geometry

- [`@react-three/rapier`](https://github.com/pmndrs/react-three-rapier) – 3D physics using Rapier

- [`@react-three/cannon`](https://github.com/pmndrs/use-cannon) – 3D physics using Cannon

- [`@react-three/p2`](https://github.com/pmndrs/use-p2) – 2D physics using P2

- [`@react-three/a11y`](https://github.com/pmndrs/react-three-a11y) – real a11y for your scene

- [`@react-three/gpu-pathtracer`](https://github.com/pmndrs/react-three-gpu-pathtracer) – realistic path tracing

- [`create-r3f-app next`](https://github.com/pmndrs/react-three-next) – nextjs starter

- [`lamina`](https://github.com/pmndrs/lamina) – layer based shader materials

- [`zustand`](https://github.com/pmndrs/zustand) – flux based state management

- [`jotai`](https://github.com/pmndrs/jotai) – atoms based state management

- [`valtio`](https://github.com/pmndrs/valtio) – proxy based state management

- [`react-spring`](https://github.com/pmndrs/react-spring) – a spring-physics-based animation library

- [`framer-motion-3d`](https://www.framer.com/docs/three-introduction/) – framer motion, a popular animation library

- [`use-gesture`](https://github.com/pmndrs/react-use-gesture) – mouse/touch gestures

- [`leva`](https://github.com/pmndrs/leva) – create GUI controls in seconds

- [`maath`](https://github.com/pmndrs/maath) – a kitchen sink for math helpers

- [`miniplex`](https://github.com/hmans/miniplex) – ECS (entity management system)

- [`composer-suite`](https://github.com/hmans/composer-suite) – composing shaders, particles, effects and game mechanics

- [`triplex`](https://triplex.dev/) – scene editor for react-three-fiber

- [`koestlich`](https://github.com/coconut-xr/koestlich) – UI component library for react-three-fiber



[Usage Trend of the @react-three Family](https://npm-compare.com/@react-three/a11y,@react-three/cannon,@react-three/csg,@react-three/drei,@react-three/flex,@react-three/gltfjsx,@react-three/gpu-pathtracer,@react-three/offscreen,@react-three/p2,@react-three/postprocessing,@react-three/rapier,@react-three/test-renderer,@react-three/uikit,@react-three/xr)



# Who is using Three-fiber



A small selection of companies and projects relying on three-fiber.



- [`vercel`](https://www.vercel.com) (design agency)

- [`basement`](https://basement.studio) (design agency)

- [`studio freight`](https://studiofreight.com) (design agency)

- [`14 islands`](https://www.14islands.com) (design agency)

- [`ueno`](https://dribbble.com/ueno) (design agency) — [video](https://twitter.com/0xca0a/status/1204373807408013312)

- [`flux.ai`](https://www.flux.ai) (PCB builder)

- [`colorful.app`](https://www.colorful.app) (modeller)

- [`bezi`](https://www.bezi.com) (modeller)

- [`readyplayer.me`](https://readyplayer.me) (avatar configurator)

- [`zillow`](https://www.zillow.com) (real estate)

- [`lumalabs.ai/genie`](https://lumalabs.ai/genie) (AI models)

- [`skybox.blockadelabs`](https://skybox.blockadelabs.com) (AI envmaps)

- [`3dconfig`](https://3dconfig.com) (floor planer)

- [`buerli.io`](https://buerli.io) (CAD)

- [`getencube`](https://www.getencube.com) (CAD)

- [`glowbuzzer`](https://www.glowbuzzer.com) (CAD) — [video](https://twitter.com/glowbuzzer/status/1678396014644940800)

- [`triplex`](https://triplex.dev) (editor) — [video](https://twitter.com/_douges/status/1708859381369221539)

- [`theatrejs`](https://www.theatrejs.com) (editor) — [video](https://twitter.com/0xca0a/status/1566838823170068480)



# How to contribute



If you like this project, please consider helping out. All contributions are welcome as well as donations to [Opencollective](https://opencollective.com/react-three-fiber), or in crypto `BTC: 36fuguTPxGCNnYZSRdgdh6Ea94brCAjMbH`, `ETH: 0x6E3f79Ea1d0dcedeb33D3fC6c34d2B1f156F2682`.



#### Backers



Thank you to all our backers! 🙏





  




#### Contributors



This project exists thanks to all the people who contribute.