---
title: xSize
framework: GLKit
role: symbol
role_heading: Instance Property
platforms: [iOS 5.0+, iPadOS 5.0+, macOS 10.8+, tvOS 9.0+]
path: glkit/glkskyboxeffect/xsize
---

# xSize

The width of the skybox.

## Declaration

```swift
var xSize: GLfloat { get set }
```

## See Also

### Configuring the Skybox

- [textureCubeMap](glkit/glkskyboxeffect/texturecubemap.md)
- [center](glkit/glkskyboxeffect/center.md)
- [ySize](glkit/glkskyboxeffect/ysize.md)
- [zSize](glkit/glkskyboxeffect/zsize.md)