Tutorials Bees & Bombs Rebuilding a gif from Bees & Bombs Radial Audio Radiating an audio sample's levels. Slack Logo Animating the Slack Logo. Customizing A Switch We've already hacked UISwitch, now let's add animations! Skype Loader A View within a View within a View. Checkmark An sweetly timed animation. Hacking UISwitch How to hack a UIKit component. Processing Examples A brief comparison of Processing and C4. Basics An intro to C4's basic objects and features.