theatre/packages/playground/src/tests/r3f-dynamic-tree/App.tsx

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import {editable as e, SheetProvider} from '@theatre/r3f'
import {getProject} from '@theatre/core'
import React, {useEffect, useState} from 'react'
import {Canvas} from '@react-three/fiber'
import {PerspectiveCamera} from '@react-three/drei'
import {useExtensionButton} from '../../shared/utils/useExtensionButton'
document.body.style.backgroundColor = '#171717'
const EditableCamera = e(PerspectiveCamera, 'perspectiveCamera')
function App() {
const project = getProject('R3F Hot Reload Test')
const sheet = project.sheet('Scene')
return (
<div
style={{
height: '100vh',
}}
>
<Canvas
dpr={[1.5, 2]}
linear
shadows
gl={{preserveDrawingBuffer: true}}
frameloop="demand"
>
<SheetProvider sheet={sheet}>
<EditableCamera
theatreKey="Camera"
makeDefault
position={[0, 0, 16]}
fov={75}
>
<Scene />
</EditableCamera>
</SheetProvider>
</Canvas>
</div>
)
}
// initial config of "Cube 1"
const cube1Config1 = {a: 1}
// we change the default value of a, and add a new prop
const cube1Config2 = {a: 2, b: 2}
// we re-use the previous config
const cube1Config3 = cube1Config2
function Scene() {
const [state, setState] = useState(1)
useExtensionButton('Step forward', () => {
setState((s) => s + 1)
})
useEffect(() => {}, [])
if (state === 1) {
return (
<e.mesh theatreKey="Cube 1" additionalProps={cube1Config1}>
<boxGeometry args={[10, 10, 10]} />
</e.mesh>
)
} else if (state === 2) {
return (
<>
<e.mesh theatreKey="Cube 1" additionalProps={cube1Config2}>
<boxGeometry args={[10, 10, 10]} />
</e.mesh>
<e.mesh theatreKey="Cube 2">
<boxGeometry args={[20, 20, 10]} />
</e.mesh>
</>
)
} else if (state === 3) {
return (
<e.mesh theatreKey="Cube 1" additionalProps={cube1Config3}>
<boxGeometry args={[10, 10, 10]} />
</e.mesh>
)
} else {
return null
}
}
export default App