# CalculateLegacy

> Calculate tangents with legacy algorithm.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
CalculateLegacy = 1
```

### Remarks

Additional Resources: [ModelImporter.importTangents](/engine/6000.3/script-reference/unityeditor/modelimporter/importtangents.md).