getMultipleAddressesFromApi.js

// Inputs
// location: location object
// distance: array of distances in meters
getMultipleAddressesFromApi = {location, distance} => {
    pointsHolder = [];
    // Earth's radius
    R = 6371000;
    // Array of radians
    radiansArray = [
        0,
        0.75,
        1.57,
        2.32,
        3.14,
        3.89,
        4.71,
        5.46
    ];
    // Cycle between distance array
    for each (d in distance) {
      // add original lat lng values from location
      mylat = location.coords.latitude;
      mylon = location.coords.longitude;
      pointsHolder.push([mylat, mylon]);
      // cycle through radiansArray to generate new points
      for (i = 0; i < radiansArray.length; i++) {
        brng = radiansArray[i];
        mylatrad = mylat * Math.PI / 180;
        mylonrad = mylon * Math.PI / 180;
        var newlatrad = Math.asin(
          Math.sin(mylatrad) * Math.cos(d / R) +
            Math.cos(mylatrad) * Math.sin(d / R) * Math.cos(brng)
        );
        var newlonrad =
          mylonrad +
          Math.atan2(
            Math.sin(brng) * Math.sin(d / R) * Math.cos(mylatrad),
            Math.cos(d / R) - Math.sin(mylatrad) * Math.sin(newlatrad)
          );
        newlat = newlatrad / Math.PI * 180;
        newlon = newlonrad / Math.PI * 180;
        pointsHolder.push([newlat, newlon]);
      }
    }
    
    for each (point in pointsHolder) {
      this.getAddressesFromApi(point[0], point[1]);
    }
  };