reggie3

    componentDidMount = () => {
        this.animationLooper();
    }

    animationLooper = () => {
        this.setState({
            imageCounter: this.state.imageCounter + 1
        });
        setTimeout(
            this.animationLooper.bind(this),

reggie3

 <Expo.MapView.Marker
                key={this.props.key}
                image={this.state.sprites[this.state.imageCounter % 3]}
                coordinate={{
                    latitude: this.props.location.loc[0],
                    longitude: this.props.location.loc[1],
                }}
            />

reggie3

case 'WRITE_DISTANCE_RESULTS':
            return locations.map((location) => {
                if (location.ID === action.ID) {
                    let distances = [action.distance].concat(location.distances);
                    distances = distances.slice(0, action.locationArrayMaxLength);
                    let distanceAverage = distances.reduce(function (sum, value) {
                        return sum + value;
                    }, 0) / distances.length;
                    return Object.assign({},
                        location,

reggie3

componentWillMount() {
    ...
    // periodically check device location and write the results to 
    // the location markers
    setInterval(
      this.performLocationChecking.bind(this),
      1000);
  }

  performLocationChecking() {

reggie3

class MapScreen extends Component {

    constructor(props) {
        super(props);
        this.state = {
            showNamePrompt: false,
            location: undefined,
            name: undefined
        };
    }

reggie3

var perms = [];

function permAlone(str) {
     var strArr = str.split("");
     //console.log(strArr);
     // empty the answer array each time this function is called
     perms = [];
     permutator(strArr.length, strArr);
     console.log(str + " - num perms: " + perms.length);
     // console.log(perms.join(", "));