An exploration of the undocumented CAEmitterBehavior, heavily inspired by blog post https://bryce.co/caemitterbehavior/.
The app also explores some undocumented behavior of CAEmitterCell, specifically the particleType.
There isn't (yet) any way to export the animations, but tweaking the parameters should give you a very good idea on how to implement this in your own app.
- export
- animations for specific keypaths other than
birthRate - png import