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fix: update with-react-three-fiber example for React 19 and Three.js … #698

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fix: update with-react-three-fiber example for React 19 and Three.js … #698

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22 changes: 8 additions & 14 deletions with-react-three-fiber/App.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,34 +5,28 @@ import { StyleSheet, View } from "react-native";
import { Canvas, useFrame } from "@react-three/fiber";

function Box(props) {
// This reference will give us direct access to the mesh
const mesh = useRef();

// Set up state for the hovered and active state
const [hovered, setHover] = useState(false);
const [active, setActive] = useState(false);

// Rotate mesh every frame, this is outside of React without overhead
useFrame(() => {
useFrame((state, delta) => {
if (mesh && mesh.current) {
mesh.current.rotation.x = mesh.current.rotation.y += 0.01;
mesh.current.rotation.x += delta;
mesh.current.rotation.y += delta;
}
});

return (
<mesh
{...props}
ref={mesh}
scale={active ? [1.5, 1.5, 1.5] : [1, 1, 1]}
scale={active ? 1.5 : 1}
onClick={(e) => setActive(!active)}
onPointerOver={(e) => setHover(true)}
onPointerOut={(e) => setHover(false)}
>
<boxBufferGeometry attach="geometry" args={[1, 1, 1]} />
<meshStandardMaterial
attach="material"
color={hovered ? "hotpink" : "orange"}
/>
<boxGeometry args={[1, 1, 1]} />
<meshStandardMaterial color={hovered ? "hotpink" : "orange"} />
</mesh>
);
}
Expand All @@ -41,8 +35,8 @@ export default function App() {
return (
<View style={styles.container}>
<Canvas>
<ambientLight />
<pointLight position={[10, 10, 10]} />
<ambientLight intensity={Math.PI / 2} />
<pointLight position={[10, 10, 10]} decay={0} intensity={Math.PI} />
<Box position={[-1.2, 0, 0]} />
<Box position={[1.2, 0, 0]} />
</Canvas>
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6 changes: 3 additions & 3 deletions with-react-three-fiber/package.json
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Original file line number Diff line number Diff line change
@@ -1,17 +1,17 @@
{
"dependencies": {
"@react-three/fiber": "^8.3.1",
"@react-three/fiber": "^9.6.1",
"expo": "^56.0.4",
"expo-asset": "~56.0.14",
"expo-file-system": "~56.0.7",
"expo-gl": "~56.0.5",
"expo-modules-core": "~56.0.12",
"expo-three": "^6.2.0",
"expo-three": "^8.0.0",
"react": "19.2.3",
"react-dom": "19.2.3",
"react-native": "0.85.3",
"react-native-web": "^0.21.0",
"three": "^0.145.0"
"three": "^0.184.0"
},
"devDependencies": {
"@expo/metro-runtime": "~56.0.12"
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