---
title: computesBitangent
framework: realitykit
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/lowleveldeformation/pipeline/descriptor/blendshape-swift.struct/computesbitangent
---

# computesBitangent

Indicates if bitangents should be recomputed from blended normals and tangents. Only valid if blendsOutputs = [normal, tangent].

## Declaration

```swift
var computesBitangent: Bool
```