react-native - React Native - onPress 触发错误事件

Question

我正在尝试制作一个旋转的魔方，它具有每个小立方体作为触发事件的可触摸组件 - 触摸橙色、绿色和黄色上的立方体会触发正确的事件，而触摸其他颜色上的一些立方体最终会触发事件这 3 种（橙色/绿色/黄色）颜色中的一种。我该如何解决？

这是 App.js：

import React, { Component, PropTypes } from 'react';
import {
  Dimensions,
  PanResponder,
  View,
  TouchableOpacity,
  Text,
} from 'react-native';
import { transformOrigin, rotateXY, rotateXZ } from './utils';

import SmallBox from './SmallBox';

const HEIGHT = Dimensions.get('window').height;
const WIDTH = Dimensions.get('window').width;

const styles = {
  container: {
    position: 'absolute',
    left: WIDTH / 2 - 50,
    top: HEIGHT / 2 - 50,
    width: 100,
    height: 100,
    backgroundColor: 'transparent',
  },
  rectangle: {
    position: 'absolute',
    left: 0,
    top: 0,
    width: 100,
    height: 100,
    zIndex: 10,
  },
  smallBox: {
    height: 100 / 3,
    width: 100 / 3,
    borderWidth: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
};

export default class Cube extends Component {
  componentWillMount() {
    this.panResponder = PanResponder.create({
      onMoveShouldSetPanResponder: () => true,
      onPanResponderMove: this.handlePanResponderMove.bind(this),
    });
  }

  handlePanResponderMove(e, gestureState) {
    const { dx, dy } = gestureState;
    const origin = { x: 0, y: 0, z: -50 };
    let matrix = rotateXY(dx, dy);
    transformOrigin(matrix, origin);
    this.refViewFront.setNativeProps({
      style: { transform: [{ perspective: 1000 }, { matrix: matrix }] },
    });

    //test
    matrix = rotateXY(dx + 180, dy);
    transformOrigin(matrix, origin);
    this.refViewBack.setNativeProps({
      style: { transform: [{ perspective: 1000 }, { matrix: matrix }] },
    });

    matrix = rotateXY(dx + 90, dy);
    transformOrigin(matrix, origin);
    this.refViewRight.setNativeProps({
      style: { transform: [{ perspective: 1000 }, { matrix: matrix }] },
    });

    matrix = rotateXY(dx - 90, dy);
    transformOrigin(matrix, origin);
    this.refViewLeft.setNativeProps({
      style: { transform: [{ perspective: 1000 }, { matrix: matrix }] },
    });

    matrix = rotateXZ(dx, dy - 90);
    transformOrigin(matrix, origin);
    this.refViewTop.setNativeProps({
      style: { transform: [{ perspective: 1000 }, { matrix: matrix }] },
    });

    matrix = rotateXZ(-dx, dy + 90);
    transformOrigin(matrix, origin);
    this.refViewBottom.setNativeProps({
      style: { transform: [{ perspective: 1000 }, { matrix: matrix }] },
    });
  }

  renderRight(color) {
    return (
      <View
        ref={(component) => (this.refViewRight = component)}
        style={[styles.rectangle, color ? { backgroundColor: color } : null]}
        {...this.panResponder.panHandlers}
      >
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='yellow' position='top-left' />
          <SmallBox num={1} color='yellow' position='top-middle' />
          <SmallBox num={1} color='yellow' position='top-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='yellow' position='middle-left' />
          <SmallBox num={1} color='yellow' position='middle-middle' />
          <SmallBox num={1} color='yellow' position='middle-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='yellow' position='bottom-left' />
          <SmallBox num={1} color='yellow' position='bottom-middle' />
          <SmallBox num={1} color='yellow' position='bottom-right' />
        </View>
      </View>
    );
  }

  renderLeft(color) {
    return (
      <View
        ref={(component) => (this.refViewLeft = component)}
        style={[styles.rectangle, color ? { backgroundColor: color } : null]}
        {...this.panResponder.panHandlers}
      >
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='blue' position='top-left' />
          <SmallBox num={1} color='blue' position='top-middle' />
          <SmallBox num={1} color='blue' position='top-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='blue' position='middle-left' />
          <SmallBox num={1} color='blue' position='middle-middle' />
          <SmallBox num={1} color='blue' position='middle-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='blue' position='bottom-left' />
          <SmallBox num={1} color='blue' position='bottom-middle' />
          <SmallBox num={1} color='blue' position='bottom-right' />
        </View>
      </View>
    );
  }

  renderFront(color) {
    return (
      <View
        ref={(component) => (this.refViewFront = component)}
        style={[styles.rectangle, color ? { backgroundColor: color } : null]}
        {...this.panResponder.panHandlers}
      >
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='red' position='top-left' />
          <SmallBox num={1} color='red' position='top-middle' />
          <SmallBox num={1} color='red' position='top-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='red' position='middle-left' />
          <SmallBox num={1} color='red' position='middle-middle' />
          <SmallBox num={1} color='red' position='middle-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='red' position='bottom-left' />
          <SmallBox num={1} color='red' position='bottom-middle' />
          <SmallBox num={1} color='red' position='bottom-right' />
        </View>
      </View>
    );
  }

  renderBack(color) {
    return (
      <View
        ref={(component) => (this.refViewBack = component)}
        style={[styles.rectangle, color ? { backgroundColor: color } : null]}
        {...this.panResponder.panHandlers}
      >
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='green' position='top-left' />
          <SmallBox num={1} color='green' position='top-middle' />
          <SmallBox num={1} color='green' position='top-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='green' position='middle-left' />
          <SmallBox num={1} color='green' position='middle-middle' />
          <SmallBox num={1} color='green' position='middle-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='green' position='bottom-left' />
          <SmallBox num={1} color='green' position='bottom-middle' />
          <SmallBox num={1} color='green' position='bottom-right' />
        </View>
      </View>
    );
  }

  renderTop(color) {
    return (
      <View
        ref={(component) => (this.refViewTop = component)}
        style={[styles.rectangle, color ? { backgroundColor: color } : null]}
        {...this.panResponder.panHandlers}
      >
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='white' position='top-left' />
          <SmallBox num={1} color='white' position='top-middle' />
          <SmallBox num={1} color='white' position='top-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='white' position='middle-left' />
          <SmallBox num={1} color='white' position='middle-middle' />
          <SmallBox num={1} color='white' position='middle-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='white' position='bottom-left' />
          <SmallBox num={1} color='white' position='bottom-middle' />
          <SmallBox num={1} color='white' position='bottom-right' />
        </View>
      </View>
    );
  }

  renderBottom(color) {
    return (
      <View
        ref={(component) => (this.refViewBottom = component)}
        style={[styles.rectangle, color ? { backgroundColor: color } : null]}
        {...this.panResponder.panHandlers}
      >
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='orange' position='top-left' />
          <SmallBox num={1} color='orange' position='top-middle' />
          <SmallBox num={1} color='orange' position='top-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='orange' position='middle-left' />
          <SmallBox num={1} color='orange' position='middle-middle' />
          <SmallBox num={1} color='orange' position='middle-right' />
        </View>
        <View style={{ flexDirection: 'row' }}>
          <SmallBox num={1} color='orange' position='bottom-left' />
          <SmallBox num={1} color='orange' position='bottom-middle' />
          <SmallBox num={1} color='orange' position='bottom-right' />
        </View>
      </View>
    );
  }

  render() {
    return (
      <View style={{ flex: 1, backgroundColor: '#fff5c0' }}>
        <View style={styles.container}>
          {this.renderLeft('blue')}
          {this.renderRight('yellow')}
          {this.renderFront('red')}
          {this.renderBack('green')}
          {this.renderTop('white')}
          {this.renderBottom('orange')}
        </View>
      </View>
    );
  }
}

这是 utils.js：

import MatrixMath from 'react-native/Libraries/Utilities/MatrixMath';

export const rotateXY = (dx, dy) => {
  const radX = (Math.PI / 180) * dy;
  const cosX = Math.cos(radX);
  const sinX = Math.sin(radX);

  const radY = (Math.PI / 180) * -dx;
  const cosY = Math.cos(radY);
  const sinY = Math.sin(radY);

  return [
    cosY,
    sinX * sinY,
    cosX * sinY,
    0,
    0,
    cosX,
    -sinX,
    0,
    -sinY,
    cosY * sinX,
    cosX * cosY,
    0,
    0,
    0,
    0,
    1,
  ];
};

export const rotateXZ = (dx, dy) => {
  const radX = (Math.PI / 180) * dx;
  const cosX = Math.cos(radX);
  const sinX = Math.sin(radX);

  const radY = (Math.PI / 180) * dy;
  const cosY = Math.cos(radY);
  const sinY = Math.sin(radY);

  return [
    cosX,
    -cosY * sinX,
    sinX * sinY,
    0,
    sinX,
    cosX * cosY,
    -sinY * cosX,
    0,
    0,
    sinY,
    cosY,
    0,
    0,
    0,
    0,
    1,
  ];
};

//source: https://gist.github.com/jmurzy/0d62c0b5ea88ca806c16b5e8a16deb6a#file-foldview-transformutil-transformorigin-js
export const transformOrigin = (matrix, origin) => {
  const { x, y, z } = origin;

  const translate = MatrixMath.createIdentityMatrix();
  MatrixMath.reuseTranslate3dCommand(translate, x, y, z);
  MatrixMath.multiplyInto(matrix, translate, matrix);

  const untranslate = MatrixMath.createIdentityMatrix();
  MatrixMath.reuseTranslate3dCommand(untranslate, -x, -y, -z);
  MatrixMath.multiplyInto(matrix, matrix, untranslate);
};

这是 SmallBox.js：

import React from 'react';
import {
  View,
  Text,
  StyleSheet,
  TouchableOpacity,
  TouchableHighlight,
} from 'react-native';

export default function SmallBox({ num, position, color }) {
  return (
    <TouchableOpacity
      style={styles.smallBox}
      onPress={() => console.log(color, position)}
    >
      <Text>{num}</Text>
    </TouchableOpacity>
  );
}

const styles = StyleSheet.create({
  smallBox: {
    margin: 0.2,
    height: 100 / 3,
    width: 100 / 3,
    borderWidth: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
});

这是组件

标签： react-nativetouchableopacityonpresspanresponder