敌人一旦到达某一点就停止了，有没有办法调整它，使它停止这样做呢？

Question

我最近换了我的运动剧本。然而，我的敌人现在只是走到一个特定的点，然后完全停止移动。

• ，我想知道我是否可以在代码中添加或更改任何东西，使其在不追逐玩家的同时连续移动？？

。

以下是代码：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class StalkerAI : MonoBehaviour
{
    public NavMeshAgent agent;
    public Transform Player;

    public float range; //radius of sphere
    public Transform centrePoint; //centre of the area the agent wants to move around in
    //instead of centrePoint you can set it as the transform of the agent if you don't care about a specific area


    void Start()
    {
        agent = GetComponent<NavMeshAgent>();
    }
    // Update is called once per frame
    void Update()
    {
        float distVal = 5.0f;
        float dist = Vector3.Distance(agent.transform.position, Player.position);

        if (dist <= distVal)
        {
            agent.SetDestination(Player.position);
        }
        else
        {
            if (agent.remainingDistance <= agent.stoppingDistance) //done with path
            {
                Vector3 point;
                if (RandomPoint(centrePoint.position, range, out point)) //pass in our centre point and radius of area
                {
                    Debug.DrawRay(point, Vector3.up, Color.blue, 1.0f); //so you can see with gizmos
                    agent.SetDestination(point);
                }
            }

        }
    }

    bool RandomPoint(Vector3 center, float range, out Vector3 result)
    {

        Vector3 randomPoint = center + Random.insideUnitSphere * range; //random point in a sphere 
        NavMeshHit hit;
        if (NavMesh.SamplePosition(randomPoint, out hit, 1.0f, NavMesh.AllAreas)) //documentation: https://docs.unity3d.com/ScriptReference/AI.NavMesh.SamplePosition.html
        {
            //the 1.0f is the max distance from the random point to a point on the navmesh, might want to increase if range is big
            //or add a for loop like in the documentation
            result = hit.position;
            return true;
        }

        result = Vector3.zero;
        return false;
    }

}

Answer 1

我想这就是你要找的行为。您的问题是，而且可能是因为您将空vector3传递给您的RandomPoint方法，所以您被否决了投票。

如果您花了几分钟时间来阅读代码中的注释，那么您将确切地看到如何使用它。

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class StalkerAI : MonoBehaviour
{
    public NavMeshAgent agent;
    public Transform Player;

    public float range; //radius of sphere
    public Vector3 centrePoint; //centre of the area the agent wants to move around in
    //instead of centrePoint you can set it as the transform of the agent if you don't care about a specific area


    void Start()
    {
        agent = GetComponent<NavMeshAgent>();
    }
    // Update is called once per frame
    void Update()
    {
        float distVal = 5.0f;
        float dist = Vector3.Distance(agent.transform.position, Player.position);

        if (dist <= distVal)
        {
            agent.SetDestination(Player.position);
        }
        else
        {
            if (agent.remainingDistance <= agent.stoppingDistance) //done with path
            {
                centrePoint = transform.position;

                if (RandomPoint(centrePoint, range, out centrePoint)) //pass in our centre point and radius of area
                {
                    Debug.DrawRay(centrePoint, Vector3.up, Color.blue, 1.0f); //so you can see with gizmos
                    agent.SetDestination(centrePoint);
                }
            }

        }
    }

    bool RandomPoint(Vector3 center, float range, out Vector3 result)
    {

        Vector3 randomPoint = center + Random.insideUnitSphere * range; //random point in a sphere
        NavMeshHit hit;
        if (NavMesh.SamplePosition(randomPoint, out hit, 1.0f, NavMesh.AllAreas)) //documentation: https://docs.unity3d.com/ScriptReference/AI.NavMesh.SamplePosition.html
        {
            //the 1.0f is the max distance from the random point to a point on the navmesh, might want to increase if range is big
            //or add a for loop like in the documentation
            result = hit.position;
            return true;
        }

        result = Vector3.zero;
        return false;
    }

}