void SpawnEnemyNear(DriverPlayer player)
    {
        Vector3 position = GetSpawnLocationNear(player.car.transform);

        Car car = Instantiate(enemyPrefab, position, Quaternion.identity);

        car.InitSpeed(player.car);

        DriverAI ai = new DriverAI();

        ai.TakeControl(car);
        activeAi.Add(ai);

        spawnTimer = Random.Range(1, 2);
    }
 static public void Remove(DriverAI ai)
 {
     activeAi.Remove(ai);
     //print(" removing dead ai");
 }