c# - Unity找不到其他GameObject的脚本

Question

我在从另一个 GameObject 的脚本获取变量时遇到问题。我以前使用过这种类型的引用，我知道它是如何工作的，但出于某种原因，它说它找不到我所引用的脚本。

引用其他代码的代码(CanHearPlayer() 开头的 if 语句):

using UnityEngine;
using System.Collections;

public class EnemySight : MonoBehaviour {

public GameObject Player;
public float fieldOfViewDegrees = 30;
public float visibilityDistance = 50;
public bool SeeingPlayer;
public float deathDistance;
public float hearDistance;

void Update(){
    SeeingPlayer = CanSeePlayer();
    float Distance = Vector3.Distance(transform.position, Player.transform.position);

    if ((SeeingPlayer == true)) {
        transform.LookAt(Player.transform.position);

        if (Distance < deathDistance){
            Debug.Log("You died");
            //Game over sequence starts here
        }
    }

    if (CanHearPlayer () == true) {
        Debug.Log ("I can hear you.");
    }
}

protected bool CanSeePlayer()
{
    RaycastHit hit;
    Vector3 rayDirection = Player.transform.position - transform.position;

    if ((Vector3.Angle(rayDirection, transform.forward)) <= fieldOfViewDegrees * 0.5f)
    {
        // Detect if player is within the field of view
        if (Physics.Raycast(transform.position, rayDirection, out hit, visibilityDistance))
        {
            return (hit.transform.CompareTag("Player"));
        }
    }

    return false;
}

protected bool CanHearPlayer(){

    RaycastHit hit;
    Vector3 rayDirection = Player.transform.position - transform.position;

    if (Player.GetComponent<FirstPersonController>().MakingWalkingSound == true) {
        hearDistance = 50;
    } else {
        hearDistance =  5;
    }

    if (Player.GetComponent<FirstPersonController>().MakingRunningSound == true) {
        hearDistance = 100;
    }

    if (Physics.Raycast(transform.position, rayDirection, out hit, hearDistance))
    {
        return (hit.transform.CompareTag("Player"));
    }
    return false;
}

公共(public)游戏对象“Player”在 Unity 中定义为包含“FirstPersonController”脚本作为组件的对象。

它引用的代码(部分):

public class FirstPersonController : MonoBehaviour
{
    public bool MakingWalkingSound;
    public bool MakingRunningSound;

private void GetInput(out float speed)
{
     // Read input
    float horizontal = CrossPlatformInputManager.GetAxis("Horizontal");
    float vertical = CrossPlatformInputManager.GetAxis("Vertical");
    MakingWalkingSound = !(horizontal == 0 && vertical == 0);

    MakingRunningSound = Input.GetKey(KeyCode.LeftShift);
}

错误读取:Assets/EnemySight.cs(53,41):错误 CS0246:找不到类型或命名空间名称“FirstPersonController”。您是否缺少 using 指令或程序集引用？并且:Assets/EnemySight.cs(59,41):错误 CS0246:找不到类型或命名空间名称“FirstPersonController”。您是否缺少 using 指令或程序集引用？

这些行对应于 CanHearPlayer 中的前两个 if 语句。

我做错了什么？我在 Google 和 StackOverflow 上进行了搜索，但找不到问题所在。

谢谢!

Answer 1

如果您的 FirstPersonController 类上有一些 namespace 声明，您需要在 EnemySight 代码上声明 using。就像:

namespace MyNamespace.Blah { 
    public class FirstPersonController : MonoBehaviour {
        ...
    }
}

和...

using MyNamespace.Blah;

public class EnemySight : MonoBehaviour {
    ...
}

对于 monodevelop，您可以在声明不在​​您的 using 范围内的类时使用 alt+空格键，它会为您将 using 置于该类之上。