r3f-next-starter

This is a batteries included template for using React Three Fiber (R3F) with NextJS 🔋. Based on create-r3f-app.

Features

♻ Easily mix DOM and 3D Canvas
🎨 Fragment and Vertex Shaders (with syntax highlighting)
🎬 React Spring for animation
🎛 Leva panel for debugging
♿ R3F A11y
🏪 Zustand store
📁 Relative paths (@/components/)
📴 Offline mode
🍱 Bundle Analyzer
👕 ESLint and Prettier
☑ Typescript

Getting Started

Clone this repo: git clone https://github.com/whoisryosuke/r3f-next-starter.git
Install dependencies: yarn
Run the development server: yarn dev
See the site here 👀: http://localhost:3000/

CodeSandbox

You can also preview and fork on CodeSandbox

Lint and Code Formatting

If you use VSCode, Prettier should run each time you save a compatible file.

If you don't like this, go to .vscode\settings.json and disable there (or you can do it via your own VSCode settings).

yarn lint runs ESLint and Prettier, automatically formats files and rewrites them. Make sure to stage your code before running just in case.

Upgrading to latest

yarn upgrade-interactive --latest

Please note that when you update a major version, you should check the dependency's documentation to see if there are any necessary changes to make to app or dependency API.

How to use

DOM vs R3F

When you create a new page, you don't need to wrap anything in a canvas. This automatically happens in the _app.jsx file.

Each page should export <DOM /> and <R3f /> components. DOM first, then R3F second. The components can be named anything, even be blank (like no DOM elements).

// newPage.tsx

// DOM elements here
const DOM = () => {
  return (
    <>
      <h1>Hello world</h1>
    </>
  );
};

// Canvas/R3F components here
const R3F = () => {
  return (
    <>
      <YourR3FComponent />
      <ThreeDBox />
      <Sphere />
    </>
  );
};

export default function Page() {
  return (
    <>
      <DOM />
      <R3F r3f />
    </>
  );
}

Page Titles

You can use getStaticProps to pass a title prop. This gets passed to the <Header /> component, which adds it to the page title. The page title is combined with your site title in the site.config.js (e.g. Page 1 - Website Name).

export async function getStaticProps() {
  return {
    props: {
      title: "Welcome!",
    },
  };
}

Where is Canvas?

The <Canvas> is located in src\components\layout\canvas.jsx. You can add any components here you want to share across all scenes (like a similar camera, lighting, etc).

If you need to have a separate canvas per page for any reason, you can just remove it from _app.js and return the R3F child:

// src\pages\_app.tsx
const AppLayout = ({ children }) => {
  const newChildren = React.Children.map(children, (child, index) =>
    // 👉 Remove the <Canvas> here (which I already did in this example)
    index % 2 === 0 ? <Dom>{child}</Dom> : <>{child}</>
  );

  return newChildren;
};

Importing R3F components

The rule is: you have to dynamically import any React component that uses ThreeJS/R3F components if it's the top-level component. Once you dynamically import that React component -- it can contain other ThreeJS/R3F component without dynamic imports.

See the /pages/ and /components/canvas/ for examples.

Importing media (audio, video, etc)

Place media in /public/ folder.
Use a relative URL to your media (yoursite.com/video.mp4 if it's in public/video.mp4).

Snippets

This project features VSCode snippets for quickly creating R3F components and patterns. You can find them and add more in .vscode\r3f.code-snippets.

r3fc - Create R3F mesh
r3fg - Create R3F group
tsr3fc - Create R3F mesh (with Typescript)
tsr3fg - Create R3F group (with Typescript)

Tips

Syntax Highlighting for Shaders

When you browse the shaders (.frag and .vert) in VSCode, you should see a popup to install a plugin for highlighting.

There's a few, but we recommend Shader languages support for VS Code.

Typescript Guide

Check out our guide on using R3F with Typescript. And try using the Typescript snippets for faster workflows.

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