AI Manager

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;


public class AIManager : MonoBehaviour, IAIManager {

    [SerializeField] private GameObject[] civilianPrefabs;

    private AstarPath astar;

    private int activeActors;

    private List<Vector3> destinationPoints = new List<Vector3>();

    private void Awake() {
        astar = GetComponent<AstarPath>();
    }

    public void SpawnActor() {

        Vector3 randomSpawn = destinationPoints[Random.Range(0, destinationPoints.Count)];
        GameObject newActor = Instantiate(civilianPrefabs[Random.Range(0,civilianPrefabs.Length)], randomSpawn, Quaternion.identity, transform);
        Civilian newCivilian = newActor.GetComponent<Civilian>();
        newCivilian.SetAstar(this);

        newCivilian.SetDestination(destinationPoints[Random.Range(0, destinationPoints.Count)]);

    }

    public Vector3 GetNewDestination() {
        return destinationPoints[Random.Range(0, destinationPoints.Count)];
    }

    public void AddSpawnPoint(Vector3 newSpawnPoint) {
        destinationPoints.Add(newSpawnPoint);
    }

    public void RemoveDestinationPoint(Vector3 newDestinationPoint) {
        if(destinationPoints.Contains(newDestinationPoint)) {
            destinationPoints.Remove(newDestinationPoint);
        }
    }

    public void UpdateNavMesh(Vector3 position) {
        astar.UpdateGraphs(new Bounds(position, new Vector3(5,5,5)));
    }
}