Corrected Korea

2026-04-09 11:20:16 +10:00
parent 43f5c8ac3e
commit 7a07616f03
19 changed files with 1530 additions and 399 deletions
@@ -31,6 +31,24 @@ class UserFlight extends Model
        'arrival_date'   => 'immutable_datetime',
    ];

+    public function calculateGreatCircleDistance(): float{
+        $earthRadiusKm = 6371;
+        [$depLat, $depLong] = [$this->departureAirport->latitude_deg, $this->departureAirport->longitude_deg];
+        [$arrLat, $arrLong] = [$this->arrivalAirport->latitude_deg, $this->arrivalAirport->longitude_deg];
+
+
+        $latDelta  = deg2rad($arrLat - $depLat);
+        $longDelta = deg2rad($arrLong - $depLong);
+
+        $a = sin($latDelta / 2) * sin($latDelta / 2)
+            + cos(deg2rad($depLat)) * cos(deg2rad($arrLat))
+            * sin($longDelta / 2) * sin($longDelta / 2);
+
+        $c = 2 * atan2(sqrt($a), sqrt(1 - $a));
+
+        return $earthRadiusKm * $c;
+    }
+
    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);