# BoundingSphere

> Describes a single bounding sphere for use by a CullingGroup.

## Definition

* **Type:** Struct
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public struct BoundingSphere
```

## Fields

| Value                                                                              | Description                                                                                                        |
| ---------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------ |
| [position](/engine/6000.7/script-reference/unityengine/boundingsphere/position.md) | The position of the center of the [BoundingSphere](/engine/6000.7/script-reference/unityengine/boundingsphere.md). |
| [radius](/engine/6000.7/script-reference/unityengine/boundingsphere/radius.md)     | The radius of the [BoundingSphere](/engine/6000.7/script-reference/unityengine/boundingsphere.md).                 |

## Constructors

| Constructor                                                                                                                                             | Description                   |
| ------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------- |
| [BoundingSphere(UnityEngine.Vector3,System.Single)](/engine/6000.7/script-reference/unityengine/boundingsphere/ctor.md#boundingsphere\(vector3-float\)) | Initializes a BoundingSphere. |
| [BoundingSphere(UnityEngine.Vector4)](/engine/6000.7/script-reference/unityengine/boundingsphere/ctor.md#boundingsphere\(vector4\))                     | Initializes a BoundingSphere. |