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hugo/content/blog/2024-08-28-three.md
2024-12-21 21:03:10 +09:00

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+++
date = "2024-08-28"
tags = ["vrm","three"]
title = "theatre.jsを使ってみる"
+++
three.jsをGUIで調整するためのlibです。reactのexampleがあるのでreactで書きます。
ちなみに、最近は色々なprojectがreactばかりになってきたのでreactを使っています。ただ、vueのほうがわかりやすいのでvueをおすすめしておきます。jsに近いほどよいですね。最初はjs+html+cssが一番ですけど。
```sh
$ nvm use 21
# https://www.theatrejs.com/docs/latest/getting-started/with-react-three-fiber
$ npx create-react-app theatre --template typescript
$ npm install --save react three @react-three/fiber @theatre/core @theatre/studio @theatre/r3f
$ npm install --save-dev @types/three
```
```json:package.json
{
"name": "vite-react-typescript-starter",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "tsc -b && vite build",
"lint": "eslint .",
"preview": "vite preview"
},
"dependencies": {
"@theatre/core": "^0.6.1",
"@theatre/r3f": "^0.7.2",
"@theatre/studio": "^0.6.1",
"react": "^18.3.1",
"react-dom": "^18.3.1"
},
"devDependencies": {
"@eslint/js": "^9.9.1",
"@types/react": "^18.3.4",
"@types/react-dom": "^18.3.0",
"@vitejs/plugin-react": "^4.3.1",
"eslint": "^9.9.1",
"eslint-plugin-react-hooks": "^5.1.0-rc.0",
"eslint-plugin-react-refresh": "^0.4.11",
"globals": "^15.9.0",
"typescript": "^5.5.3",
"typescript-eslint": "^8.3.0",
"vite": "^5.4.2"
}
}
```
```ts:src/main.tsx
import './index.css'
import { createRoot } from 'react-dom/client'
import React, { useEffect } from 'react'
import { Canvas } from '@react-three/fiber'
import studio from '@theatre/studio'
import extension from '@theatre/r3f/dist/extension'
import { SheetProvider, editable as e, PerspectiveCamera } from '@theatre/r3f'
import { getProject } from '@theatre/core'
import demoProjectState from './state.json'
studio.initialize()
studio.extend(extension)
//const demoSheet = getProject('Demo Project', { state: demoProjectState }).sheet('Demo Sheet')
const demoSheet = getProject('Demo Project').sheet('Demo Sheet')
const App = () => {
useEffect(() => {
demoSheet.project.ready.then(() => demoSheet.sequence.play({ iterationCount: Infinity, range: [0, 1] }))
}, [])
return (
<Canvas>
<SheetProvider sheet={demoSheet}>
<PerspectiveCamera theatreKey="Camera" makeDefault position={[0, 0, 0]} fov={75} />
<ambientLight />
<e.pointLight theatreKey="Light" position={[1, 1, 1]} />
<e.mesh theatreKey="Cube">
<boxGeometry args={[1, 1, 1]} />
<meshStandardMaterial color="orange" />
</e.mesh>
</SheetProvider>
</Canvas>
)
}
createRoot(document.getElementById('root')!).render(<App />)
```
```sh
$ npm run dev
```
https://github.com/AndrewPrifer/CodropsCameraFlyThroughTutorial/