<!--
{
  "availability" : [
    "iOS: 11.0.0 -",
    "iPadOS: 11.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "ARKit",
  "identifier" : "/documentation/ARKit/ARConfiguration/WorldAlignment-swift.enum",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "ARKit"
    ],
    "preciseIdentifier" : "c:@E@ARWorldAlignment"
  },
  "title" : "ARConfiguration.WorldAlignment"
}
-->

# ARConfiguration.WorldAlignment

Options for how ARKit constructs a scene coordinate system based on real-world device motion.

```
enum WorldAlignment
```

## Topics

### Alignments

[`ARWorldAlignmentGravity`](/documentation/ARKit/ARConfiguration/WorldAlignment-swift.enum/gravity)

The coordinate system’s y-axis is parallel to gravity, and its origin is the initial position of the device.

[`ARWorldAlignmentGravityAndHeading`](/documentation/ARKit/ARConfiguration/WorldAlignment-swift.enum/gravityAndHeading)

The coordinate system’s y-axis is parallel to gravity, its x- and z-axes are oriented to compass heading, and its origin is the initial position of the device.

[`ARWorldAlignmentCamera`](/documentation/ARKit/ARConfiguration/WorldAlignment-swift.enum/camera)

The scene coordinate system is locked to match the orientation of the camera.

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)