---
title: "init(center:radius:)"
framework: realitykit
role: symbol
role_heading: Initializer
path: "realitykit/boundingspherebox/init(center:radius:)"
---

# init(center:radius:)

Creates a bounding sphere with the given center and radius.

## Declaration

```swift
init(center: SIMD3<Float>, radius: Float)
```

## Parameters

- `center`: The center of the bounding sphere in model space.
- `radius`: The radius of the bounding sphere.

## See Also

### Creating a bounding volume

- [init(center:halfExtents:)](realitykit/boundingspherebox/init(center:halfextents:).md)
- [init(center:fullExtents:)](realitykit/boundingspherebox/init(center:fullextents:).md)
- [init(boxMin:boxMax:)](realitykit/boundingspherebox/init(boxmin:boxmax:).md)