// Update is called once per frame
void Update()
{
// Change traffic lights when time
if (intersections.Count > 0)
{
foreach (RoadIntersection intersect in intersections)
{
intersect.CheckTimeAndIfReadyChangeLight();
}
}
// Add a new car to the road when time
if (spawningCars && Time.time - carSpawnTimerRef > carSpawnRateActual)
{
// Select random car prefab from list and assign a random path on the road system
GameObject randomCar = carPrefabs[Random.Range(0, carPrefabs.Count)];
currentPathToAssign = spawnPaths[Random.Range(0, spawnPaths.Count)];
// Check if any cars on the road are at the spawn point chosen for new car
bool assignedPathIsBlocked = false;
foreach (NPCVehicle veh in vehicles)
{
if (veh.GetWaypoint() == currentPathToAssign.roadWaypoints[0])
{
assignedPathIsBlocked = true;
}
}
// If the spawn point isn't blocked by any existing cars, put the new car there, add it to the list of cars, and restart timer
if (!assignedPathIsBlocked)
{
GameObject newCar = Instantiate(randomCar, currentPathToAssign.roadWaypoints[0].position, Quaternion.identity);
NPCVehicle newCarAI = newCar.GetComponent <NPCVehicle>();
newCarAI.SetPath(currentPathToAssign, 1);
vehicles.Add(newCar.GetComponent <NPCVehicle>());
carSpawnRateActual = Random.Range(spawnRateSecPerCar - spawnRateDeltaInSec, spawnRateSecPerCar + spawnRateDeltaInSec);
carSpawnTimerRef = Time.time;
}
}
}
// Add a vehicle to the list of vehicles to be destroyed
// Should be accessed by NPCVehicle scripts
public void AddVehicleToDestroyList(NPCVehicle carToDestroy)
{
Destroy(carToDestroy.gameObject);
vehicles.Remove(carToDestroy);
}
