---
title: spreadingAngle
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/particleemittercomponent/particleemitter/spreadingangle
---

# spreadingAngle

The range, in radians, of randomized initial particle directions as radians describing the size of the spreading cone. Defaults to 0.

## Declaration

```swift
var spreadingAngle: Float
```