Unity中随机出现和消失的对象 [英] Randomly appearing and disappearing objects in Unity

问题描述

我想使用SetActive(True/False)命令在Unity3d中创建一个随机出现和消失的对象.我不希望它移动到任何地方，并且我正在使用Unity3d C#(对于需要了解的人)，我还没有尝试过任何东西.

I would like to make an object in Unity3d that reappears and disappears randomly using theSetActive(True/False) command. I don't want it to move anywhere and I'm using Unity3d C# (for those who need to know) I haven't tried anything yet.

推荐答案

如果您不希望使用使用字符串查找方法名称的安全，快速的方法(通常是个坏主意)，则可以使用协程:

If your prefer a safer and faster approach w/out using strings to look up method names (which is usually a bad idea), you can use a coroutine:

using UnityEngine;
using System.Collections;

public class ToggleVisibility : MonoBehaviour 
{
    public GameObject GameObjectToHide;
    public float MinTime = 2.0f;
    public float MaxTime = 5.0f;

    void Start()
    {
        StartCoroutine(ToggleVisibilityCo(GameObjectToHide));
    }

    IEnumerator ToggleVisibilityCo(GameObject someObj)
    {
        if (someObj == null) yield break;

        while(true)
        {
            someObj.SetActive(!someObj.active);

            yield return new WaitForSeconds(Random.Range(MinTime, MaxTime));
        }

    }

}

但是，您必须考虑到-无论您采用哪种方法-如果将对象设置为非活动状态，它包含的所有MonoBehaviours都将停止工作，因此您需要将此脚本放入处于活动状态的GameObject中，并在检查器GameObjectToHide，它将被实际激活/禁用.参见有关如何在检查器中连接元素的图像

However you must take into account that -whatever approach you follow- if you set an object inactive, all MonoBehaviours that it contains will stop working, so you need to put this script in a GameObject that is active, and set in the inspector the GameObjectToHide which will be the one that will be actually activated/deactivated. See the image on how to wire the elements in the inspector

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