---
title: uvOffset
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lightmapresource/atlasreference/uvoffset
---

# uvOffset

An offset to apply to lightmap UV attribute before sampling from the slice of the atlas.

## Declaration

```swift
var uvOffset: SIMD2<Float>
```

## See Also

### Mapping texture coordinates

- [uvScale](realitykit/lightmapresource/atlasreference/uvscale.md)