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wheel.screen.tsx
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/**
* Sample React Native App
* https://github.com/facebook/react-native
* @flow
*/
import React, { Component } from 'react';
import { View, Text, Image, StyleSheet, Animated, TouchableHighlight, Modal, TouchableOpacity, Dimensions } from 'react-native';
import FontAwesome, { Icons } from 'react-native-fontawesome';
import * as d3Shape from 'd3-shape';
import Svg, {
G,
Text as SVGText,
TSpan,
Path
} from 'react-native-svg';
import { observer } from "mobx-react";
import { snap } from '@popmotion/popcorn';
import wheelService from './wheel.service';
import { Icon } from '../../buitins/icon';
import mainStore from '../../models/main.store';
import { ShowAlert } from '../../buitins/helper';
type Props = {
};
const { width } = Dimensions.get('screen');
const wheelSize = width * 0.75;
@observer
export class WheelScreen extends Component<Props> {
spining: boolean;
numberOfSegments = 12;
fontSize = 26;
oneTurn = 360;
angleBySegment: number;
angleOffset: number;
data: Array<any>;
arcs: any;
display: boolean;
IsReady: boolean = false;
_angle = new Animated.Value(0);
angle = 0;
_wheelPaths: Array<any>;
gifts: Array<any>;
isWheeling: boolean;
reward: any;
rewardText: string;
constructor(props) {
super(props)
this.state = {
allowPointerEvents: true,
enabled: true,
finished: false,
};
this.display = mainStore.spin;
this._renderSvgWheel = this._renderSvgWheel.bind(this);
this.onTouch = this.onTouch.bind(this);
this.spining = false;
this.rewardText = 'Quay để sở hữu những phần quà giá trị!';
}
componentWillReciveProps(nextProps) {
if (nextProps != this.props) {
mainStore.checkWheelSpin();
this.display = mainStore.spin;
}
}
componentDidMount() {
(async () => {
let result = await wheelService.List();
this.gifts = new Array<any>();
if (result && result.success) {
this.gifts = result.data;
this.numberOfSegments = this.gifts.length;
this.angleBySegment = this.oneTurn / this.numberOfSegments;
this.angleOffset = this.angleBySegment / 2;
this.data = Array.from({ length: this.numberOfSegments }).fill(1);
this.arcs = d3Shape.pie()(this.data);
this._wheelPaths = this.makeWheel();
this.IsReady = true;
this.setState({ change: true });
}
})();
this._angle.addListener(event => {
if (this.state.enabled) {
this.setState({
enabled: false,
finished: false
});
}
this.angle = event.value;
});
}
makeWheel = () => {
const colors = ["#007C3C", "#008FFF", "#F76812", "#A400C9", "#FE0000", "#FECB00"];
return this.arcs.map((arc, index) => {
let color = index > (colors.length - 1) ? colors[index - colors.length] : colors[index];
const instance = d3Shape
.arc()
.padAngle(0.01)
.outerRadius(width / 2)
.innerRadius(20);
return {
path: instance(arc),
color: color,
value: this.gifts[index].name,
centroid: instance.centroid(arc)
};
});
};
_renderKnob = () => {
const knobSize = 30;
const YOLO = Animated.modulo(
Animated.divide(
Animated.modulo(Animated.subtract(this._angle, this.angleOffset), this.oneTurn),
new Animated.Value(this.angleBySegment)
),
1
);
return (
<Animated.View
style={{
width: knobSize,
height: knobSize * 2,
justifyContent: 'flex-end',
zIndex: 1,
transform: [
{
rotate: YOLO.interpolate({
inputRange: [-1, -0.5, -0.0001, 0.0001, 0.5, 1],
outputRange: ['0deg', '0deg', '35deg', '-35deg', '0deg', '0deg']
})
}
]
}}
>
<Svg
width={knobSize}
height={(knobSize * 100) / 57}
viewBox={`0 0 57 100`}
style={{ transform: [{ translateY: 8 }] }}
>
<Path
d="M28.034,0C12.552,0,0,12.552,0,28.034S28.034,100,28.034,100s28.034-56.483,28.034-71.966S43.517,0,28.034,0z M28.034,40.477c-6.871,0-12.442-5.572-12.442-12.442c0-6.872,5.571-12.442,12.442-12.442c6.872,0,12.442,5.57,12.442,12.442 C40.477,34.905,34.906,40.477,28.034,40.477z"
fill='purple'
/>
</Svg>
</Animated.View>
);
};
_renderSvgWheel = () => {
return (
<View >
<Animated.View
style={{
alignItems: 'center',
justifyContent: 'center',
transform: [
{
rotate: this._angle.interpolate({
inputRange: [-this.oneTurn, 0, this.oneTurn],
outputRange: [`-${this.oneTurn}deg`, `0deg`, `${this.oneTurn}deg`]
})
}
]
}}
>
<Svg
width={wheelSize}
height={wheelSize}
viewBox={`0 0 ${width} ${width}`}
style={{ transform: [{ rotate: `-${this.angleOffset}deg` }] }}
>
<G y={width / 2} x={width / 2}>
{
this._wheelPaths.map((arc, i) => {
const [x, y] = arc.centroid;
const number = arc.value.split(' ');
return (
<G key={`arc-${i}`}>
<Path d={arc.path} fill={arc.color} />
<G
rotation={(i * this.oneTurn) / this.numberOfSegments + this.angleOffset}
origin={`${x}, ${y}`}
>
<SVGText
x={x}
y={y - 70}
fill="white"
textAnchor="middle"
fontSize={this.fontSize}
>
{Array.from({ length: number.length }).map((_, j) => {
return (
<TSpan
x={x}
dy={this.fontSize}
key={`arc-${i}-slice-${j}`}
>
{number[j]}
</TSpan>
);
})}
</SVGText>
</G>
</G>
);
})
}
</G>
</Svg>
<TouchableOpacity onPress={() => {
this.onTouch();
}} style={{ alignSelf: 'center', height: wheelSize, width: wheelSize, position: 'absolute' }}>
</TouchableOpacity>
</Animated.View>
</View>
);
}
_getWinnerIndex = () => {
const deg = Math.abs(Math.round(this.angle % this.oneTurn));
return Math.floor(deg / this.angleBySegment);
};
onTouch = () => {
(async () => {
let winnerIndex = 3;
if (mainStore.wheelCount > 0) {
mainStore.WheelSpin();
let result = await wheelService.Gift();
if (result && result.success) {
this.spining = true;
winnerIndex = this.gifts.findIndex(e => e.code == result.data.code);
Animated.decay(this._angle, {
velocity: 3.5,
deceleration: 0.999,
useNativeDriver: true
}).start(() => {
this._angle.setValue(this.angle % this.oneTurn);
const snapTo = snap(this.oneTurn / this.numberOfSegments);
let toAngle = snapTo(this.angle)
let currentIndex = this._getWinnerIndex();
let delta = ((this.gifts.length - currentIndex) - winnerIndex);
if (delta != currentIndex) {
let tempAngle = delta * (this.angleBySegment);
toAngle += tempAngle;
}
Animated.timing(this._angle, {
toValue: toAngle,
duration: 4000,
useNativeDriver: true
}).start(() => {
(async () => {
await wheelService.GiftConfirm();
})();
this.reward = result.data;
if (this.reward.code == 'KHONG_TRUNG') {
this.rewardText = 'Chúc bạn may mắn lần sau!'
}
else {
this.rewardText = 'Chúc mừng bạn đã quay được ' + this.reward.name;
}
this.setState({
enabled: true,
finished: true,
});
this.spining = false;
});
});
}
else {
ShowAlert(result.message);
}
}
else {
ShowAlert("Bạn đã hết lượt quay");
}
})();
};
render() {
return (
<Modal
transparent={true}
animationType="fade"
visible={mainStore.spin}
onRequestClose={() => { }}
>
<View style={{ flex: 1 }}>
<TouchableHighlight style={{
flex: 1,
padding: 10,
justifyContent: 'center',
backgroundColor: '#00000077'
}}
underlayColor='#00000077'
>
<View style={{ justifyContent: "center" }}>
<Animated.View
style={{
overflow: 'hidden',
height: 'auto'
}}
>
<View pointerEvents={this.state.allowPointerEvents ? 'auto' : 'none'}
style={{
justifyContent: 'center'
}}>
<View style={{
backgroundColor: '#F66C00',
borderRadius: 5,
justifyContent: "center"
}}>
<View style={{ paddingHorizontal: 10, paddingVertical: 20 }}>
<View style={{ flexDirection: 'row', alignSelf: 'center' }}>
{
this.IsReady &&
<View style={{ alignItems: 'center', justifyContent: 'center' }}>
<Image source={Icon.wheelspin} style={{ width: width, height: width, position: 'absolute' }} />
<Text style={{ color: 'white', fontFamily: "Roboto-bold" }}>Bạn có {mainStore.wheelCount.toString()} lượt quay</Text>
{
this._renderKnob()
}
{
this._renderSvgWheel()
}
<Text style={{ marginTop: 20, fontSize: 16, color: 'white', fontFamily: "Roboto-bold" }}>{this.rewardText}</Text>
</View>
}
</View>
<TouchableOpacity
onPress={() => {
mainStore.CloseSpin()
}}
style={{ alignItems: 'flex-end', right: 0, position: 'absolute', padding: 10 }}>
<FontAwesome style={{ color: '#3A3C3E', fontSize: 22 }}>{Icons.times}</FontAwesome>
</TouchableOpacity>
</View>
</View>
</View>
</Animated.View>
</View>
</TouchableHighlight >
</View>
</Modal >
);
}
}
const styles = StyleSheet.create(
{
input: {
borderRadius: 3,
borderWidth: 1,
borderColor: '#DBDEDE',
minHeight: 42,
marginTop: 5,
justifyContent: "center",
},
}
)