---
title: "ForceEffectBounds.sphere(radius:)"
framework: realitykit
role: symbol
role_heading: Case
path: "realitykit/forceeffectbounds/sphere(radius:)"
---

# ForceEffectBounds.sphere(radius:)

A spherical boundary that’s centered at the origin of the force effect and has a non-negative radius.

## Declaration

```swift
case sphere(radius: Double)
```

## Parameters

- `radius`: A non-negative value that represents the boundary’s distance from the force effect’s origin, in meters.