Unity中敌人攻击时相机不震动问题求助

需求：当EnemyDamage脚本中的isDamaging变量为true时，触发相机震动效果，但该功能未生效。打印isDamaging显示其值确实为true，但震动逻辑未执行。

相关脚本 #

震动脚本（gotHit） #

using System.Collections;
using UnityEngine;

public class gotHit : MonoBehaviour
{
    public bool start = false;
    public AnimationCurve curve;
    public float duration = 1f;
    private EnemyDamage enemyDamage;
    public Transform camera;
    private Coroutine shakeCoroutine;

    private void Awake()
    {
        enemyDamage = GameObject.FindWithTag("ucgen").GetComponent<EnemyDamage>();
    }
    
    void Update()
    {
        if (start)
        {
            start = false;
            Debug.Log("start ile sarsılma başlatılıyor.");
            StartShaking();
        }
    
        if (enemyDamage.isDamaging)
        {
            Debug.Log("enemyDamage.isDamaging ile sarsılma başlatılıyor.");
            StartShaking();
            enemyDamage.isDamaging = false; 
        }
    }
    
    void StartShaking()
    {
        if (shakeCoroutine != null)
        {
            StopCoroutine(shakeCoroutine);
        }
        shakeCoroutine = StartCoroutine(Shaking());
    }
    
    IEnumerator Shaking()
    {
        Vector3 startPosition = camera.position;
        float elapsedTime = 0f;
    
        while (elapsedTime < duration)
        {
            elapsedTime += Time.deltaTime;
            float strength = curve.Evaluate(elapsedTime / duration);
            camera.position = startPosition + Random.insideUnitSphere * strength; 
            yield return null;
        }
    
        camera.position = startPosition;
    }
}

敌人伤害脚本（EnemyDamage） #

using System.Collections;
using UnityEngine;

public class EnemyDamage : MonoBehaviour
{
    public int enemyTriangleDamage = 2;
    private PlayerHealth playerHealth;
    public bool isDamaging = false; // 防止协程重复启动的标志

    private void Awake()
    {
        GameObject player = GameObject.FindWithTag("Player");
        if (player != null)
        {
            playerHealth = player.GetComponent<PlayerHealth>();
        }
    }
    
    private void Update()
    {
        Debug.Log("isDamaging durumu: " + isDamaging);
    }
    
    private void OnCollisionStay2D(Collision2D collision2D)
    {
        if (!isDamaging && collision2D.gameObject.CompareTag("Player"))
        {
            StartCoroutine(Diee());
        }
    }
    
    IEnumerator Diee()
    {
        isDamaging = true;
        yield return new WaitForSeconds(0.5f);
        if (playerHealth != null)
        {
            playerHealth.TakeDamage(enemyTriangleDamage);
        }
        isDamaging = false;
    }
}

问题排查与修复方案 #

1. 核心逻辑冲突 #

当前gotHit脚本的Update方法中，检测到isDamaging为true时会直接将其设为false，这会干扰EnemyDamage自身的协程逻辑：EnemyDamage的Diee协程会在0.5秒后才将isDamaging设为false，但gotHit提前修改了该变量，可能导致震动触发逻辑异常，甚至重复触发Diee协程。

修复： 移除对enemyDamage.isDamaging的直接修改，改为监听状态变化（仅在isDamaging从false变为true时触发震动）：

private bool lastIsDamaging = false;

void Update()
{
    if (start)
    {
        start = false;
        Debug.Log("通过start触发震动");
        StartShaking();
    }

    // 仅在isDamaging状态切换为true时触发震动
    if (enemyDamage.isDamaging && !lastIsDamaging)
    {
        Debug.Log("通过enemyDamage.isDamaging触发震动");
        StartShaking();
    }
    lastIsDamaging = enemyDamage.isDamaging;
}

2. 基础引用检查 #

• 确认gotHit脚本的camera变量已在Inspector面板中正确赋值为主相机的Transform组件。
• 检查GameObject.FindWithTag("ucgen")中的标签ucgen拼写正确，且挂载EnemyDamage的对象已添加该标签并处于激活状态。
• 验证AnimationCurve曲线设置：确保曲线存在非零的强度值（例如从1线性降到0的曲线，保证震动有明显幅度）。

3. 相机位置修正 #

如果相机是某个父物体的子对象，使用世界空间的position可能导致震动异常，改为使用局部空间的localPosition：

IEnumerator Shaking()
{
    Vector3 startPosition = camera.localPosition;
    float elapsedTime = 0f;

    while (elapsedTime < duration)
    {
        elapsedTime += Time.deltaTime;
        float strength = curve.Evaluate(elapsedTime / duration);
        camera.localPosition = startPosition + Random.insideUnitSphere * strength; 
        yield return null;
    }

    camera.localPosition = startPosition;
}

内容的提问来源于stack exchange，提问作者ybay