List <string> _allGuids = new List <string>(); // The list of Guids of all the cars increased
private void OnTriggerEnter(Collider other)
{
if (other.gameObject.layer == LayerMask.NameToLayer(_layerHitName)) // If this object is a car
{
CarUserControl car = other.transform.root.GetComponent <CarUserControl>(); // Get the compoent of the car
string carGuid = car._guid; // Get the Unique ID of the car
if (!_allGuids.Contains(carGuid)) // If we didn't increase the car before
{
_allGuids.Add(carGuid); // Make sure we don't increase it again
car.OnCheckPoint(); // Increase the car's fitness
}
}
}