---
title: SCNParticleOrientationMode.free
framework: scenekit
role: symbol
role_heading: Case
path: scenekit/scnparticleorientationmode/free
---

# SCNParticleOrientationMode.free

Particle orientations are not restricted; they may rotate freely in all axes.

## Declaration

```swift
case free
```

## Discussion

Discussion When using this mode, you can modify the rotation axis of each particle with the rotationAxis key.

## See Also

### Constants

- [SCNParticleOrientationMode.billboardScreenAligned](scenekit/scnparticleorientationmode/billboardscreenaligned.md)
- [SCNParticleOrientationMode.billboardViewAligned](scenekit/scnparticleorientationmode/billboardviewaligned.md)
- [SCNParticleOrientationMode.billboardYAligned](scenekit/scnparticleorientationmode/billboardyaligned.md)