---
title: emitterSize
framework: quartzcore
role: symbol
role_heading: Instance Property
path: quartzcore/caemitterlayer/emittersize
---

# emitterSize

Determines the size of the particle emitter shape. Animatable.

## Declaration

```swift
var emitterSize: CGSize { get set }
```

## Discussion

Discussion How the emitter size is applied depends on the emitter shape. See Emitter Shape for details. Depending on the value of emitterShape, this value may be ignored. Default is 0.0.

## See Also

### Emitter Geometry

- [renderMode](quartzcore/caemitterlayer/rendermode.md)
- [emitterPosition](quartzcore/caemitterlayer/emitterposition.md)
- [emitterShape](quartzcore/caemitterlayer/emittershape.md)
- [emitterZPosition](quartzcore/caemitterlayer/emitterzposition.md)
- [emitterDepth](quartzcore/caemitterlayer/emitterdepth.md)