我正在努力使玩游戲的人可以在觸發器中按他們想要的次數按“E” | Unity 3d + 動畫師

Question

我正在開發這個我一直在制作的 Unity 3D 游戲，玩家可以點擊隨機按鈕（不要問為什么）。 在這個游戲中，我做了一個玩家可以輸入一個觸發器，然后按下E來觸發一次動畫，同時點擊它，效果非常好。 但唯一的問題是“播放器”只能使動畫觸發一次，而必須離開觸發器並重新進入它才能使動畫觸發並在按下E時再次工作。

我的目標是讓動畫在單擊時始終有效，而不是僅在觸發器中每次都按住E。

這是我制作的按鈕的代碼。

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

public class Fixedpress : MonoBehaviour
{
    public Animator Tributton;

    private Coroutine routine;

    private void OnTriggerEnter(Collider other)
    {
        // in general rather use CompareTag instead of ==
        // it is slightly faster and also shows an error if the tag doesn't exist instead of failing silent
        if (!other.CompareTag("Player")) return;

        // just in case to prevent concurrent routines
        if (routine != null) StopCoroutine(routine);

        // start a new Coroutine
        routine = StartCoroutine(WaitForKeyPress());
    }

    private IEnumerator WaitForKeyPress()
    {
        // check each FRAME if the key goes down
        // This is way more reliable as OnTriggerStay which is called
        // in the physics loop and might skip some frames
        // This also prevents from holding E while entering the trigger, it needs to go newly down 
        yield return new WaitUntil(() => Input.GetKeyDown(KeyCode.E));

        // set the trigger once and finish the routine
        // There is no way to trigger twice except exit the trigger and enter again now
        Tributton.SetTrigger("Fiveyon");
        Debug.Log("Fiveyon!");

        // If you even want to prevent this from getting triggered ever again simply add
        enabled = false;
        // Now this can only be triggered ONCE for the entire lifecycle of this component 
        // (except you enable it from the outside again of course)
    }

    void OnTriggerExit(Collider other)
    {
        if (!other.CompareTag("Player")) return;

        // when exiting the trigger stop the routine so later button press is not handled
        if (routine != null) StopCoroutine(routine);
    }
}

Answer 1

無需在 onTriggerEnter 中啟動協程，只需在玩家進入觸發器時將 bool 設置為 true，並使用該 bool 作為條件檢索 Update 中的輸入。 PS：您還可以添加一個冷卻計時器，以便玩家無法在觸發器內發送E。 例子：

bool canAnimate;

private void OnTriggerEnter(Collider other)
{
    // in general rather use CompareTag instead of ==
    // it is slightly faster and also shows an error if the tag doesn't exist instead of failing silent
    if (!other.CompareTag("Player")) return;

    // just in case to prevent concurrent routines
    if (routine != null) StopCoroutine(routine);

    canAnimate = true;
}

private void Update()
{
if (Input.GetKeyDown(KeyCode.E) && canAnimate)
 {
         Tributton.SetTrigger("Fiveyon");

 }
}

void OnTriggerExit(Collider other)
{
    if (!other.CompareTag("Player")) return;

    // when exiting the trigger stop the routine so later button press is not handled
    if (routine != null) StopCoroutine(routine);
 canAnimate = false;
}

PS：我相信會有更好的方法來實現這一點。 讓我知道它是否有幫助:)

Answer 2

你需要

OnTriggerStay()

您可以參考Unity 文檔了解更多詳細信息。