---
title: "init(radius:)"
framework: spritekit
role: symbol
role_heading: Initializer
path: "spritekit/skregion/init(radius:)"
---

# init(radius:)

Initializes a new region with a circular area.

## Declaration

```swift
init(radius: Float)
```

## Parameters

- `radius`: The radius of the region in points.

## Return Value

Return Value A newly initialized region. The region is circular and centered on the origin.

## See Also

### Creating and Initializing Region Objects

- [infinite()](spritekit/skregion/infinite().md)
- [init(size:)](spritekit/skregion/init(size:).md)
- [init(path:)](spritekit/skregion/init(path:).md)
- [inverse()](spritekit/skregion/inverse().md)
- [byDifference(from:)](spritekit/skregion/bydifference(from:).md)
- [byIntersection(with:)](spritekit/skregion/byintersection(with:).md)
- [byUnion(with:)](spritekit/skregion/byunion(with:).md)