---
title: origin
framework: arkit
role: symbol
role_heading: Instance Property
path: arkit/arraycastquery/origin
---

# origin

A 3D coordinate that defines the ray’s starting place.

## Declaration

```swift
var origin: simd_float3 { get }
```

## See Also

### Interpreting the Ray

- [direction](arkit/arraycastquery/direction.md)