Created
July 31, 2020 05:03
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callback functions for the pan gesture handler
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const panStateHandler = event => { | |
if (event.nativeEvent.oldState === State.UNDETERMINED) { | |
setLastTranslateX(translateX); | |
setLastTranslateY(translateY); | |
}; | |
}; | |
const panGestureHandler = event => { | |
setTranslateX(-event.nativeEvent.translationX / scale + lastTranslateX); | |
setTranslateY(-event.nativeEvent.translationY / scale + lastTranslateY); | |
}; |
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