# EraseSwapBack

> Erase a given bounding sphere by moving the final sphere on top of it.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

## EraseSwapBack(int)

Erase a given bounding sphere by moving the final sphere on top of it.

```csharp
public void EraseSwapBack(int index)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The index of the entry to erase.

### Remarks

This method also keeps the visibility information correctly synchronized, such that the correct onBecameVisible/onBecameInvisible callbacks will still be sent.

## EraseSwapBack\<T>(int, \`\<>\[], int)

Erase a given entry in an arbitrary array by copying the final entry on top of it, then decrementing the number of entries used by one.

```csharp
public static void EraseSwapBack<T>(int index, T[] myArray, ref int size)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The index of the entry to erase.**** (\[\<T>\[]]\(./)): An array of entries.**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The number of entries in the array that are actually used.

### Remarks

This method is designed to be used in conjunction with the other overload, for updating your own data arrays when an entry is deleted.