# Unity

> The Unity packing algorithm used by older versions of Unity.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
Unity = 0
```

### Remarks

The Unity packer is very fast, but generally produces worse results than [LightingSettings.LightmapPackingMethod.XAtlas](/engine/6000.7/script-reference/unityengine/lightingsettings/lightmappackingmethod/xatlas.md).