Contributions always welcome. If you have a new idea for a fun spinner or bouncer, or see something that could be improved, please open a PR. Playgrounds built with Xcode 9.3 🛠 All components are a single class, and come packaged within a playground. Tweak any parameters or timing curves you'd like, and then copy the code out into your own project. All of the classes come with built-in accessors for timing, tint, and other params.