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| import React, { useState } from 'react'; | |
| import { Pressable, View } from 'react-native'; | |
| import Animated, { css } from 'react-native-reanimated'; | |
| export default function Wave() { | |
| const [clickLocation, setClickLocation] = useState({ x: -1, y: -1 }); | |
| const dots = Array.from({ length: 323 }); | |
| const size = 19; | |
| const color = `rgb(${Math.random() * 255}, ${Math.random() * 255}, ${Math.random() * 255})` | |
| return ( | |
| <View style={styles.container}> | |
| {dots.map((_state, index) => ( | |
| <Dot | |
| key={index} | |
| position={{x: index % size, y: Math.floor(index / size)}} | |
| onClick={setClickLocation} | |
| clickLocation={clickLocation} | |
| color={color} | |
| /> | |
| ))} | |
| </View> | |
| ); | |
| } | |
| function Dot( | |
| { position, onClick, clickLocation, color }: | |
| { | |
| position: {x: number, y: number}, | |
| clickLocation: { x: number, y: number }, | |
| onClick: (location: { x: number, y: number }) => void, | |
| color: string | |
| } | |
| ) { | |
| const distance = Math.sqrt( | |
| Math.pow(position.x - clickLocation?.x, 2) + | |
| Math.pow(position.y - clickLocation?.y, 2) | |
| ); | |
| const animation = { | |
| animationTimingFunction: 'easeInOut', | |
| animationDuration: 500, | |
| animationDelay: distance * 100, | |
| animationName: css.keyframes({ | |
| '0%,100%': { | |
| transform: [{ scale: 1 }], | |
| }, | |
| '50%': { | |
| backgroundColor: color, | |
| transform: [{ scale: 1.2 }], | |
| }, | |
| }), | |
| }; | |
| return ( | |
| <Pressable onPress={() => onClick(position)}> | |
| <Animated.View | |
| style={[ | |
| styles.dot, | |
| { backgroundColor: 'rgb(61, 67, 66)' }, | |
| clickLocation.x >= 0 ? animation as any : null, | |
| ]} | |
| /> | |
| </Pressable> | |
| ); | |
| } | |
| const styles = css.create({ | |
| container: { | |
| flexDirection: 'row', | |
| flexWrap: 'wrap', | |
| justifyContent: 'center', | |
| alignItems: 'center', | |
| }, | |
| dot: { | |
| width: 15, | |
| height: 15, | |
| borderRadius: 10, | |
| margin: 3, | |
| }, | |
| }); |
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