Add camera playground (#343)

packages/playground/src/shared/camera/App.tsx

@@ -0,0 +1,117 @@
+import {
+  editable as e,
+  RefreshSnapshot,
+  SheetProvider,
+  PerspectiveCamera,
+} from '@theatre/r3f'
+import {Stars} from '@react-three/drei'
+import {getProject} from '@theatre/core'
+import React, {Suspense, useRef, useState} from 'react'
+import {Canvas} from '@react-three/fiber'
+import {useGLTF} from '@react-three/drei'
+import sceneGLB from './scene.glb'
+import type {Mesh} from 'three'
+
+document.body.style.backgroundColor = '#171717'
+
+function Model({url}: {url: string}) {
+  const {nodes} = useGLTF(url) as any
+
+  return (
+    <group rotation={[-Math.PI / 2, 0, 0]} position={[0, -7, 0]} scale={7}>
+      <group rotation={[Math.PI / 13.5, -Math.PI / 5.8, Math.PI / 5.6]}>
+        <e.mesh
+          theatreKey="Example Namespace / Thingy"
+          receiveShadow
+          castShadow
+          geometry={nodes.planet001.geometry}
+          material={nodes.planet001.material}
+        />
+        <e.mesh
+          theatreKey="Example Namespace / Debris 2"
+          receiveShadow
+          castShadow
+          geometry={nodes.planet002.geometry}
+          material={nodes.planet002.material}
+        />
+        <e.mesh
+          theatreKey="Debris 1"
+          geometry={nodes.planet003.geometry}
+          material={nodes.planet003.material}
+        />
+      </group>
+    </group>
+  )
+}
+
+function App() {
+  const bgs = ['#272730', '#b7c5d1']
+  const [bgIndex, setBgIndex] = useState(0)
+  const bg = bgs[bgIndex]
+  const cameraTargetRef = useRef<Mesh>(null!)
+
+  return (
+    <div
+      onClick={() => {
+        // return setBgIndex((bgIndex) => (bgIndex + 1) % bgs.length)
+      }}
+      style={{
+        height: '100vh',
+      }}
+    >
+      <Canvas
+        dpr={[1.5, 2]}
+        linear
+        shadows
+        gl={{preserveDrawingBuffer: true}}
+        frameloop="demand"
+      >
+        <SheetProvider sheet={getProject('Space').sheet('Scene')}>
+          <fog attach="fog" args={[bg, 16, 30]} />
+          <color attach="background" args={[bg]} />
+          <ambientLight intensity={0.75} />
+          <PerspectiveCamera
+            theatreKey="Camera / Camera"
+            makeDefault
+            position={[0, 0, 16]}
+            fov={75}
+            lookAt={cameraTargetRef}
+          >
+            <e.pointLight
+              theatreKey="Light 1"
+              intensity={1}
+              position={[-10, -25, -10]}
+            />
+            <e.spotLight
+              theatreKey="Light 2"
+              castShadow
+              intensity={2.25}
+              angle={0.2}
+              penumbra={1}
+              position={[-25, 20, -15]}
+              shadow-mapSize={[1024, 1024]}
+              shadow-bias={-0.0001}
+            />
+            <e.directionalLight theatreKey="Light 3" />
+          </PerspectiveCamera>
+          <e.mesh
+            ref={cameraTargetRef}
+            theatreKey="Camera / Target"
+            position={[0, 0, 0]}
+            visible="editor"
+          >
+            <boxBufferGeometry attach="geometry" />
+            <meshPhongMaterial attach="material" color="red" />
+          </e.mesh>
+          <Suspense fallback={null}>
+            <RefreshSnapshot />
+            <Model url={sceneGLB} />
+          </Suspense>
+          <Stars radius={500} depth={50} count={1000} factor={10} />
+        </SheetProvider>
+      </Canvas>
+    </div>
+  )
+}
+
+export default App

packages/playground/src/shared/camera/index.tsx

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+import React from 'react'
+import ReactDOM from 'react-dom'
+import App from './App'
+import studio from '@theatre/studio'
+import extension from '@theatre/r3f/dist/extension'
+
+studio.extend(extension)
+studio.initialize()
+
+ReactDOM.render(<App />, document.getElementById('root'))