unity, 模拟退后台

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//simulateSwitchToBackground.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
public class simulateSwitchToBackground : MonoBehaviour {
void sendApplicationPauseMessage(bool isPause){
Transform[] transList= GameObject.FindObjectsOfType<Transform>(); 
for (int i = 0; i < transList.Length; i++) {
Transform trans = transList [i];
//Note that messages will not be sent to inactive objects
trans.SendMessage ("OnApplicationPause",isPause,SendMessageOptions.DontRequireReceiver);
}
}
void sendApplicationFocusMessage(bool isFocus){
Transform[] transList= GameObject.FindObjectsOfType<Transform>(); 
for (int i = 0; i < transList.Length; i++) {
Transform trans = transList [i];
//Note that messages will not be sent to inactive objects
trans.SendMessage ("OnApplicationFocus",isFocus,SendMessageOptions.DontRequireReceiver);
}
}

public void sendEnterBackgroundMessage(){
sendApplicationPauseMessage (true);
sendApplicationFocusMessage (false);

}
public void sendEnterFoegroundMessage(){
sendApplicationFocusMessage (true);
sendApplicationPauseMessage (false);

}

}

//simulateSwitchToBackgroundEditor.cs

using UnityEngine;
using System.Collections;
using UnityEditor;
[CustomEditor(typeof(simulateSwitchToBackground))]
public class simulateSwitchToBackgroundEditor : Editor
{

void OnEnable(){
}

public override void OnInspectorGUI()
{

DrawDefaultInspector();
serializedObject.Update ();

serializedObject.ApplyModifiedProperties ();//now varibles in script have been updated

if (GUILayout.Button ("send enter background message")) {
if (Application.isPlaying) {
((simulateSwitchToBackground)target).sendEnterBackgroundMessage ();
}
}
if (GUILayout.Button ("send enter foeground message")) {
if (Application.isPlaying) {
((simulateSwitchToBackground)target).sendEnterFoegroundMessage ();
}
}
}

}

把simulateSwitchToBackground.cs挂到场景中的一个gameObject上，其inspector面板如下：

在游戏运行过程中点“send endter background message”按钮，即模拟游戏退到后台。再点"send enter foeground message"按钮，模拟游戏从后台切回到前台。

参考：

http://www.voidcn.com/blog/goodai007/article/p-5804722.html

unity, 模拟退后台

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原文地址：http://www.cnblogs.com/wantnon/p/6283867.html