# Sandbox.SceneCamera.GetFrustum

## Overload 1

```csharp
Frustum GetFrustum(Rect pixelRect)
```

Given a pixel rect return a frustum on the current camera.

### Parameters

- `pixelRect` (`Rect`)

### Returns

`Frustum`

## Overload 2

```csharp
Frustum GetFrustum(Rect pixelRect, Vector3 screenSize)
```

Given a pixel rect return a frustum on the current camera. Pass in 1 to ScreenSize to use normalized screen coords.

### Parameters

- `pixelRect` (`Rect`)
- `screenSize` (`Vector3`)

### Returns

`Frustum`

Declared in [Sandbox.SceneCamera](/api/Sandbox.SceneCamera).
Assembly: `Sandbox.Engine`.