---
title: backFaceCulling
framework: scenekit
role: symbol
role_heading: Type Property
path: scenekit/scnhittestoption/backfaceculling
---

# backFaceCulling

An option to ignore faces not oriented toward the camera.

## Declaration

```swift
static let backFaceCulling: SCNHitTestOption
```

## Discussion

Discussion The value for this key is an NSNumber object containing a Boolean value. The default value is true, specifying that back-facing polygons will not be returned as hit-test results.

## See Also

### Options

- [boundingBoxOnly](scenekit/scnhittestoption/boundingboxonly.md)
- [categoryBitMask](scenekit/scnhittestoption/categorybitmask.md)
- [clipToZRange](scenekit/scnhittestoption/cliptozrange.md)
- [ignoreChildNodes](scenekit/scnhittestoption/ignorechildnodes.md)
- [ignoreHiddenNodes](scenekit/scnhittestoption/ignorehiddennodes.md)
- [rootNode](scenekit/scnhittestoption/rootnode.md)
- [searchMode](scenekit/scnhittestoption/searchmode.md)
- [SCNHitTestSearchMode](scenekit/scnhittestsearchmode.md)