A tool for creating and experimenting with particle emitter classes
Particle Playground is a tool for developers who wish to customize native Apple iOS particle emitter classes such as CAEmitterLayer and CAEmitterCell. Drag your particle image into the GUI’s screen and toggle the sliders and menu options to the left. There are a great many menu options that you may play with while watching real-time previews to see what effect your adjustments will have to the image you uploaded.