NullReferenceException: Object reference not set to an instance of an object Inventory.OnClickPickUp () (at Assets/Script/Inventory.cs:39) UnityEngine.Events.InvokableCall.Invoke () (at <ff7b004c24954ff98f68a709be4708c3>:0) UnityEngine.Events.UnityEvent.Invoke () (at <ff7b004c24954ff98f68a709be4708c3>:0) UnityEngine.UI.Button.Press () (at D:/Program Files/Unity/Hub/Editor/2019.4.14f1c1/Editor/Data/Resources/PackageManager/BuiltInPackages/com.unity.ugui/Runtime/UI/Core/Button.cs:68) UnityEngine.UI.Button.OnPointerClick (UnityEngine.EventSystems.PointerEventData eventData) (at D:/Program Files/Unity/Hub/Editor/2019.4.14f1c1/Editor/Data/Resources/PackageManager/BuiltInPackages/com.unity.ugui/Runtime/UI/Core/Button.cs:110) UnityEngine.EventSystems.ExecuteEvents.Execute (UnityEngine.EventSystems.IPointerClickHandler handler, UnityEngine.EventSystems.BaseEventData eventData) (at D:/Program Files/Unity/Hub/Editor/2019.4.14f1c1/Editor/Data/Resources/PackageManager/BuiltInPackages/com.unity.ugui/Runtime/EventSystem/ExecuteEvents.cs:50) UnityEngine.EventSystems.ExecuteEvents.Execute[T] (UnityEngine.GameObject target, UnityEngine.EventSystems.BaseEventData eventData, UnityEngine.EventSystems.ExecuteEvents+EventFunction`1[T1] functor) (at D:/Program Files/Unity/Hub/Editor/2019.4.14f1c1/Editor/Data/Resources/PackageManager/BuiltInPackages/com.unity.ugui/Runtime/EventSystem/ExecuteEvents.cs:261) UnityEngine.EventSystems.EventSystem:Update() (at D:/Program Files/Unity/Hub/Editor/2019.4.14f1c1/Editor/Data/Resources/PackageManager/BuiltInPackages/com.unity.ugui/Runtime/EventSystem/EventSystem.cs:377)
时间: 2023-06-23 10:53:34 浏览: 199
这是一个 NullReferenceException 异常,在调用 Inventory.cs 脚本的 OnClickPickUp() 函数的时候发生了错误。可能是因为对象的引用未被正确初始化,导致出现了 "Object reference not set to an instance of an object" 的错误。你需要检查 Inventory.cs 中的代码,确认所有的对象都被正确地初始化并且没有为空的引用。另外,也需要检查你的按钮是否正确绑定了 OnClickPickUp() 函数。
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NullReferenceException: Object reference not set to an instance of an object Xiaoxiong.Start () (at Assets/Script/Enemy/Xiaoxiong.cs:34)
这个错误是"NullReferenceException: Object reference not set to an instance of an object",它通常表示在代码中引用了一个空对象。在这个特定的例子中,错误发生在Xiaoxiong.cs脚本的第34行的Start()方法中。根据引用,这种错误可能是因为脚本没有被挂载到Hierarchy面板上的任何GameObject上导致的。这意味着在代码中引用的某个对象可能没有被正确初始化或赋值。在这种情况下,可以检查一下是否正确挂载了脚本,或者是否需要在脚本中进行其他初始化操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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[ .reference_list ]
NullReferenceException: Object reference not set to an instance of an object ChangeModle.Update () (at Assets/Script/ChangeModle.cs:30)
这个错误信息是Unity游戏开发中常见的`NullReferenceException`,表示你在尝试访问一个未初始化或为null的对象的某个成员(如方法或属性)。在这个例子中,错误发生在`ChangeModle.Update()`这行代码上,这是在Assets/Script/ChangeModle.cs文件中的第30行。
具体来说,`ChangeModle`应该是你定义的一个类或者对象,它的`Update`方法期望有一个实例存在并且该实例的引用不是`null`。当你尝试调用`Update()`时,可能是以下几个情况之一:
1. **对象尚未创建**:你可能在调用`Update`之前忘记创建`ChangeModle`对象或者没有给它赋值。
2. **字段或属性值为null**:`ChangeModle`对象本身可能已经被设置为`null`,而你试图在其上调用`Update`方法。
3. **生命周期管理错误**:在某些生命周期阶段,比如OnDisable或Destroy之后,你可能不再拥有对象的有效引用,这时调用`Update`会导致错误。
为了修复这个问题,你需要在调用`Update`前确认`ChangeModle`对象已经被正确地实例化并且其引用不为`null`。可以添加一些条件检查,例如:
```csharp
if (changeModle != null)
{
changeModle.Update();
}
```
或者确保在合适的地方初始化你的对象。
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