---
title: particleRotationSpeed
framework: spritekit
role: symbol
role_heading: Instance Property
path: spritekit/skemitternode/particlerotationspeed
---

# particleRotationSpeed

The speed at which a particle rotates, expressed in radians per second.

## Declaration

```swift
var particleRotationSpeed: CGFloat { get set }
```

## Discussion

Discussion This is uniform for all particles generated by the emitter. The default value is 0.0.

## See Also

### Adjusting a Particle’s Rotation

- [particleRotation](spritekit/skemitternode/particlerotation.md)
- [particleRotationRange](spritekit/skemitternode/particlerotationrange.md)