r3f-native-orbitcontrols

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r3f-native-orbitcontrols

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OrbitControls for React Three Fiber in React Native

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# r3f-native-orbitcontrols

OrbitControls for [React Three Fiber](https://github.com/pmndrs/react-three-fiber) in React Native

## Install

r3f-native-orbitcontrols is distributed as a [npm package](https://www.npmjs.com/package/r3f-native-orbitcontrols) and can be installed as follows:

```
// with npm
npm install r3f-native-orbitcontrols
// with yarn
yarn add r3f-native-orbitcontrols
```

## Example

```jsx
import useControls from "r3f-native-orbitcontrols"

import { Canvas } from "@react-three/fiber/native"
import { View } from "react-native"
// The import below is used only in Canvases:
import { PerspectiveCamera } from "three"

function SingleCanvas() {
  const [OrbitControls, events] = useControls()

return (
    // If this isn't working check if you have set the size of the View.
    // The easiest way to do it is to use the full size, e.g.:
    //   <View style={{ flex: 1 }} />
    <View {...events}>
      <Canvas>
        <OrbitControls />

{/* Place the scene elements here as usual */}
      </Canvas>
    </View>
  )
}

function Canvases() {
  // You also can use the same OrbitControls for multiple canvases
  // creating an effect like the game
  // The Medium (https://store.steampowered.com/app/1293160)
  const [OrbitControls, events] = useControls()

// In this case the same camera must be used in all the canvases
  const camera = new PerspectiveCamera()
  // You need to configure the camera too. Follow three.js' documentation.
  // Default configuration:
  //   camera.position.set(10, 10, 10)
  //   camera.lookAt(0, 0, 0)

return (
    <View {...events}>
      <Canvas camera={camera}>
        <OrbitControls />
      </Canvas>
      <Canvas camera={camera}>
        <OrbitControls />
      </Canvas>
    </View>
  )
}
```

You can find an example app [here](https://github.com/TiagoCavalcante/r3f-orbitcontrols-example).

## Modes

`useControls()` uses orbit mode by default. To use the current map mode, pass
`ControlsMode.MAP`:

```jsx
import useControls, { ControlsMode } from "r3f-native-orbitcontrols"

import { Canvas } from "@react-three/fiber/native"
import { View } from "react-native"

function MapCanvas() {
  const [MapControls, events] = useControls(ControlsMode.MAP)

return (
    <View {...events}>
      <Canvas>
        <MapControls />

{/* Place the scene elements here as usual */}
      </Canvas>
    </View>
  )
}
```

In map mode, one finger pans the camera. Two fingers can zoom, rotate, and tilt
the camera around the target.

## Options

The controls element returned by `useControls()` _may_ receive the following
properties:

| Property         |      Type       |                                     Description |
| :--------------- | :-------------: | ----------------------------------------------: |
| camera           |     Camera      |                read-only, available to onChange |
| enabled          |     boolean     |                                                 |
| target           |     Vector3     |                                                 |
| minPolarAngle    |     number      |              how close you can orbit vertically |
| maxPolarAngle    |     number      |                how far you can orbit vertically |
| minAzimuthAngle  |     number      |            how close you can orbit horizontally |
| maxAzimuthAngle  |     number      |              how far you can orbit horizontally |
| dampingFactor    |     number      |                                  inertia factor |
| enableZoom       |     boolean     |                                                 |
| zoomSpeed        |     number      |                                                 |
| minZoom          |     number      |                                                 |
| maxZoom          |     number      |                                                 |
| enableRotate     |     boolean     |                                                 |
| rotateSpeed      |     number      |                                                 |
| enablePan        |     boolean     |                                                 |
| panSpeed         |     number      |                                                 |
| ignoreQuickPress |     boolean     |                   may cause bugs when enabled\* |
| onChange         | (event) => void | receives an event with all the properties above |

You can find the defaults for each option [here](https://github.com/TiagoCavalcante/r3f-native-orbitcontrols/blob/7468e516a17c279f65b2f6a681d1aa6e655b6746/src/OrbitControls.tsx#L21-L55).

\*: This option is **not** recommended in modern devices. It's only useful in older devices, which don't propagate touch events to prevent "bubbling". You can find more information about this [here](https://github.com/TiagoCavalcante/r3f-native-orbitcontrols/blob/7468e516a17c279f65b2f6a681d1aa6e655b6746/src/OrbitControls.tsx#L87-L120).

## Why not use [drei](https://github.com/pmndrs/drei)'s OrbitControls?

The answer is very simple: they don't work on native, only on the web and (much) older versions of [React Three Fiber](https://github.com/pmndrs/react-three-fiber).

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