好的，我有一个我正在做的项目，实际上是一个马里奥克隆在Unity 2D中创建的函数。出于某种原因，它调用了OnTrigger/OnCollision方法三次（正如它在OnCollision或OnTrigger被调用三次时中继调试消息所示，即使它只应该这样做一次（请参见所附的图片）），即使我没有为它编写这样的代码。我的代码如下（很抱歉，它很混乱，我对C#和Unity 2D还很陌生）。

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using TMPro;

public class playerMovement : MonoBehaviour
{
    public float moveSpeed;
    private float moveDirection;
    public float jumpForce;
    [SerializeField] private bool isJumping = false;

    private Rigidbody2D rb;
    private bool facingRight = true;

    public Transform ceilingCheck;
    public Transform groundCheck;
    public LayerMask groundObjects;
    public bool isGrounded;
    public float checkRadius;
    public GameObject camera;

    public AudioSource audioSource;
    public AudioClip otherClip;

    public float score;
    public TextMeshProUGUI scoreCount;

    public float health;
    public TextMeshProUGUI lifeCount;

    public GameObject[] enemy;
    public GameObject deathBarrier;
    public GameObject nPC;
    public GameObject youHaveSoMuchToLiveFor;
    public GameObject youCannotEscape;

    public bool talking;
    public bool bossTimerStart;

    //nabs stuff before start so there's no lag and so you don't have to nab it yourself
    private void Awake()
    {
        rb = GetComponent<Rigidbody2D>();
    }

    // Start is called before the first frame update
    void Start()
    {
        enemy = GetComponentsInParent<GameObject>(tag == "Enemy");
    }

    // Update is called once per frame
    void Update()
    {
        //get inputs
        ProcessInputs();

        //flip
        Animate();

        StartCoroutine(DoThings());

        scoreCount.text = "Score: " + score;
        lifeCount.text = "Health: " + health;

        if (Input.GetKeyDown(KeyCode.RightShift))
        {
            moveSpeed = 3;

        }
        if (Input.GetKeyUp(KeyCode.RightShift))
        {
            moveSpeed = 8;
        }

        if (Input.GetKeyDown(KeyCode.LeftShift))
        {
            moveSpeed = 3;
       

        }
        if (Input.GetKeyUp(KeyCode.LeftShift))
        {
            moveSpeed = 8;
            
        }

    

}

    private void FixedUpdate()
    {
        //move
        if (!talking)
        {
            Move();
        }

        isGrounded = Physics2D.OverlapCircle(groundCheck.position, checkRadius, groundObjects);
    }

    private void ProcessInputs()
    {
        moveDirection = Input.GetAxis("Horizontal");
        if (Input.GetButtonDown("Jump") && isGrounded)
        {
            isJumping = true;
        }
    }

    public IEnumerator DoThings()
    {
        while (talking)
        {
            rb.velocity = Vector2.zero;
            yield return null;
        }
    }

    private void Move()
    {
        rb.velocity = new Vector2(moveDirection * moveSpeed, rb.velocity.y);
        if (isJumping)
        {
            rb.AddForce(new Vector2(0f, jumpForce));
        }
        isJumping = false;

    }

    private void FlipCharacter()
    {
        facingRight = !facingRight;
        transform.Rotate(0f, 180f, 0f);

    }

    private void Animate()
    {
        //flip
        if (moveDirection > 0 && !facingRight)
        {
            FlipCharacter();
        }
        if (moveDirection < 0 && facingRight)
        {
            FlipCharacter();
        }
    }
    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.tag == "Coin")
        {
            score += 10;
            Destroy(other.gameObject);
        }

        if (other.tag == "Npc")
        {
            nPC.gameObject.SetActive(true);
        }
        if (other.tag == "House")
        {
            youHaveSoMuchToLiveFor.gameObject.SetActive(true);
            talking = true;
        }
    }
    private void OnTriggerExit2D(Collider2D other)
    {
        if (other.tag == "Npc")
        {
            nPC.gameObject.SetActive(false);
        }
        if (other.tag == "House")
        {
            youHaveSoMuchToLiveFor.gameObject.SetActive(false);
        }
        if (other.gameObject.tag == "BossArea")
        {
            Debug.Log("uHOH CUTSCENE TIME WOOOOOO");
            Destroy(other.gameObject);
            youCannotEscape.gameObject.SetActive(true);
        }
    }

    private void OnCollisionEnter2D(Collision2D other)
    {
        if (other.gameObject.tag == "EnemyLeft")
        {
            Debug.Log("scream but right");
            rb.AddForce(new Vector2(5000f, 200f));
            if (health > 0)
            {
                Debug.Log("apparently let's check this");
                health -= 1;
            }
            if (health <= 0)
            {
                StartCoroutine(Woooo());
                StartCoroutine(YouGonDie());
            }
        }
        if (other.gameObject.tag == "EnemyRight")
        {
            Debug.Log("scream but left");
            rb.AddForce(new Vector2(-5000f, 200f));
            if (health > 0)
            {
                health -= 1;
            }
            if (health <= 0)
            {
                StartCoroutine(Woooo());
                StartCoroutine(YouGonDie());
            }
        }
        if (other.gameObject.tag == "Bullet")
        {
            Debug.Log("oopsie you got shot UwU");
            if (health > 0)
            {
                health -= 1;
            }
            if (health <= 0)
            {
                StartCoroutine(Woooo());
                StartCoroutine(YouGonDie());
            }
        }
            if (other.gameObject.tag == "EnemyTop")
        {
            Debug.Log("bonk");
            Destroy(other.transform.parent.gameObject);
            score += 5;
        }
        if (other.gameObject == deathBarrier)
        {
            StartCoroutine(YouFellLol());
        }

        IEnumerator Woooo()
    {
            Debug.Log("istg i think this game is an elaborate moistcritikal reference, truly what i've been waiting for, yeah baby");
            yield return new WaitForSecondsRealtime(1.2f);
        Destroy(gameObject);
    }

        IEnumerator YouGonDie()
        {
            AudioSource.PlayClipAtPoint(otherClip, new Vector3(0, 0, 0));
            yield return new WaitForSecondsRealtime(0.001f);
        }

        IEnumerator YouFellLol()
        {
            Debug.Log("Hey stinky! You fell uwu");
            yield return new WaitForSecondsRealtime(0.001f);
            Destroy(gameObject);
        }

        
    }
    public void TalkingWith()
    {
        talking = true;
    }
    public void StopTalkingWith()
    {
        talking = false;
    }


}

它只是在我添加了一个函数后才开始这样做，在与某些对象的交互中，玩家停止移动，直到交互结束（用于NPC交互和过场动画）。我以为它只会打一次电话。相反，它打了三次电话。