---
title: additive
framework: quartzcore
role: symbol
role_heading: Type Property
path: quartzcore/caemitterlayerrendermode/additive
---

# additive

The particles are rendered using source-additive compositing.

## Declaration

```swift
static let additive: CAEmitterLayerRenderMode
```

## See Also

### Constants

- [unordered](quartzcore/caemitterlayerrendermode/unordered.md)
- [oldestFirst](quartzcore/caemitterlayerrendermode/oldestfirst.md)
- [oldestLast](quartzcore/caemitterlayerrendermode/oldestlast.md)
- [backToFront](quartzcore/caemitterlayerrendermode/backtofront.md)