资源加载模块

Assets/Resources/Test/Cube.prefab

@@ -113,7 +113,7 @@ MonoBehaviour:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 3745365020364595915}
-  m_Enabled: 1
+  m_Enabled: 0
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 278639fb612259b4890f4f8615f9305f, type: 3}
   m_Name: 

Assets/Scripts/ProjectBase/Res.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 7c531973b0ca77a47b429cce002fa775
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/ProjectBase/Res/ResMgr.cs

@@ -0,0 +1,52 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+/// <summary>
+/// 资源加载模块
+/// 1异步加载，2委托和lambda表达式，3协程，4泛型
+/// </summary>
+public class ResMgr : BaseManager<ResMgr>
+{
+    //同步加载资源
+    public T Load<T>(string name)where T:Object
+    {
+        T res = Resources.Load<T>(name);
+        //如果对象是一个GameObject类型的 把他实例化后返回出去 外部直接使用即可
+        if(res is GameObject)
+        {
+           return GameObject.Instantiate(res);
+        }
+        else//TextAsset AudioClip 不需要实例化，只需要赋值给某些对象
+        {
+            return res;
+        }
+       
+       
+    }
+
+    //异步加载资源
+    public void LoadAsync<T>(string name, UnityAction<T> callback ) where T : Object
+    {
+        //开启异步加载的协程
+        MonoMgr.GetInstance().StartCoroutine(ReallyLoadAsync(name, callback));
+    }
+    
+    //真正的协同程序函数，用于开启异步加载对应的资源
+    private IEnumerator ReallyLoadAsync<T>(string name, UnityAction<T> callback) where T : Object
+    {
+        ResourceRequest r = Resources.LoadAsync<T>(name);
+        yield return r; 
+        if(r.asset is GameObject)
+        {
+            callback(GameObject.Instantiate(r.asset) as T);
+        }
+        else
+        {
+            callback(r.asset as T);
+        }
+
+    }
+
+}

Assets/Scripts/ProjectBase/Res/ResMgr.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 684e92a517a01854c8297ba0bb997d97
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/ProjectBase/Test/Test.cs

@@ -25,13 +25,23 @@ public class Test : MonoBehaviour
     {
         if(Input.GetMouseButtonDown(0))
         {
-            PoolMgr.GetInstance().GetObj("Test/Cube");
+            //  PoolMgr.GetInstance().GetObj("Test/Cube");
+            GameObject obj = ResMgr.GetInstance().Load<GameObject>("Test/Cube");
+            obj.transform.localScale = Vector3.one*2;
         }
 
         if (Input.GetMouseButtonDown(1))
         {
-            PoolMgr.GetInstance().GetObj("Test/Sphere");
+            // PoolMgr.GetInstance().GetObj("Test/Sphere");
+            ResMgr.GetInstance().LoadAsync<GameObject>("Test/Cube", (obj) =>  obj.transform.localScale = Vector3.one * 2) ;
         }
 
     }
+
+    //等异步资源加载完成后，再进入这个函数里面. //放到资源加载的委托参数里面 ResMgr.GetInstance().LoadAsync<GameObject>("Test/Cube", DoSomthing);
+    private void DoSomthing(GameObject obj)
+    {
+        //做一些资源真正加载出来后想做的事情
+        obj.transform.localScale = Vector3.one * 2;
+    }
 }