我一直在尝试设置一个敌人在巡逻路线上，而不是追逐我的玩家角色。我想使用光线投射，这样敌人就可以发现玩家并开始追逐玩家。它的功能正如我所想的那样。然而，即使当我们之间有障碍物或墙壁，或者当我从后面接近时，敌人“看到”我的玩家并开始追逐我。它似乎忽略了光线投射。而是集中在接近敌人的地方。
Enemy spotting player through wall

public class EnemyController : MonoBehaviour
{
    private NavMeshAgent enemy;// assaign navmesh agent
    private Transform playerTarget;// reference to player's position
    private float attackRadius = 10.0f; // radius where enemy will spot player
    public Transform[] destinationPoints;// array of points for enemy to patrol
    private int currentDestination;// reference to current position
    public bool canSeePlayer = false;
    private Ray enemyEyes;
    public RaycastHit hitData;

    private void Awake()
    {
        enemy = GetComponent<NavMeshAgent>();
        playerTarget = GameObject.Find("Player").GetComponent<Transform>();
        enemyEyes = new Ray(transform.position, transform.forward);
    }
    private void Start()
    {
        Physics.Raycast(enemyEyes, attackRadius);
    }
    private void Update()
    {
        Lurk();
        Debug.DrawRay(transform.position, transform.forward * attackRadius);
    }

    void Lurk()
    {
        Debug.Log("Lurking");
        float distanceToPlayer = Vector3.Distance(transform.position, playerTarget.position);
        //check if raycast hits playerLayer and enemy is close enough to attack
        if (Physics.Raycast(enemyEyes, out hitData, attackRadius * 2, layerMask: ~6) && distanceToPlayer < attackRadius)
        {
            Debug.Log("You hit " + hitData.collider.gameObject.name);
            ChasePlayer();
        }
        else
        {
            canSeePlayer = false;
            Patrol();
        }
    }
    void Patrol()
    {
        if (!canSeePlayer && enemy.remainingDistance < 0.5f)
        {
            enemy.destination = destinationPoints[currentDestination].position;
            UpdateCurrentPoint();
        }
    }

    void UpdateCurrentPoint()
    {
        if (currentDestination == destinationPoints.Length - 1)
        {
            currentDestination = 0;
        }
        else
        {
            currentDestination++;
        }
    }

    void ChasePlayer()
    {
        StartCoroutine(ChaseTime());
        canSeePlayer = true;
        transform.LookAt(playerTarget.position);
        Vector3 moveTo = Vector3.MoveTowards(transform.position, playerTarget.position, attackRadius);
        enemy.SetDestination(moveTo);
        
    }

    IEnumerator ChaseTime()
    {
        Debug.Log("Chasing");
        yield return new WaitForSeconds(10.0f);
        if (!Physics.Raycast(enemyEyes, out hitData, attackRadius * 2, layerMask: ~6))
        {
            canSeePlayer = false;
            Debug.Log("Lurking");
            Lurk();
        }
    }
}

我删除了图层遮罩的波浪号“~，”但这样敌人就看不到玩家了。我初始化并设置了一个图层遮罩引用“playerLayer，”并用它代替了“layermask：~6”，无效。我使用int引用Player图层，无效。我使用按位运算符引用Player图层，无效。我删除了distanceToPlayer条件，但敌人看不到玩家。我调整了射线的长度，但如果它比攻击半径短，它就不起作用。