PHP s2 S2LatLng::lngRadians Examples

Example #1

File: SmokeTest.php Project: norzechowicz/s2-geometry-library-php

 public static function greatCircleDestination(\S2\S2LatLng $a, $bearing, $distance)
 {
     $cos_dist_earth = cos($distance / self::EARTH_RADIUS);
     $sin_dist_earth = sin($distance / self::EARTH_RADIUS);
     $sin_lat = sin($a->latRadians());
     $cos_lat = cos($a->latRadians());
     $lat = asin($sin_lat * $cos_dist_earth + $cos_lat * $sin_dist_earth * cos($bearing));
     $lng = $a->lngRadians() + atan2(sin($bearing) * $sin_dist_earth * $cos_lat, $cos_dist_earth - $sin_lat * sin($lat));
     return new \S2\S2LatLng($lat, $lng);
 }