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Rotate user location based on heading
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import React from 'react'; | |
import MapboxGL from '@react-native-mapbox-gl/maps'; | |
import sheet from '../styles/sheet'; | |
import myIcon from '../assets/example.png'; | |
import BaseExamplePropTypes from './common/BaseExamplePropTypes'; | |
import Page from './common/Page'; | |
const mapStyles = { | |
icon: { | |
iconImage: myIcon, | |
iconAllowOverlap: true, | |
}, | |
}; | |
class CustomUserLocation extends React.Component { | |
static propTypes = { | |
...BaseExamplePropTypes, | |
}; | |
constructor(props) { | |
super(props); | |
this.state = { | |
coordinates: [0, 0], | |
heading: 0, | |
}; | |
} | |
buildFeatureCollection = () => ({ | |
type: 'FeatureCollection', | |
features: [ | |
{ | |
type: 'Feature', | |
geometry: { | |
type: 'Point', | |
coordinates: this.state.coordinates, | |
}, | |
}, | |
], | |
}); | |
onLocationUpdate = ({coords: {longitude, latitude, heading}}) => | |
this.setState({ | |
coordinates: [longitude, latitude], | |
heading, | |
}); | |
render() { | |
const featureCollection = this.buildFeatureCollection(); | |
return ( | |
<Page {...this.props}> | |
<MapboxGL.MapView style={sheet.matchParent}> | |
<MapboxGL.UserLocation | |
visible={true} | |
onUpdate={this.onLocationUpdate} | |
/> | |
<MapboxGL.ShapeSource | |
id="customUserLocation" | |
shape={featureCollection}> | |
<MapboxGL.SymbolLayer | |
id="customUsserLocation" | |
style={{...mapStyles.icon, iconRotate: this.state.heading}} | |
/> | |
</MapboxGL.ShapeSource> | |
</MapboxGL.MapView> | |
</Page> | |
); | |
} | |
} | |
export default CustomUserLocation; |
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