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Show HN: YapAnimator – Fast and friendly physics-based animator (github.com)
48 points by olliewagner 3275 days ago
3 comments

What is this? An iOS library to do CSS like transformations?
You can easily control transformations with it (out of the box), but it's easily extensible to animate/smooth anything that you can control with a number (think sound, brush strokes in a painting app)
Nice! Can this work with CAAnimation, I would love to use this in Scenekit!
Sure can! You'd add `Animatable` conformance to SCN Types (check out the Animatable.swift file for clear examples) and you'll be all set.
I wonder how stuff like this gets to the front page of HN? Any idea? From the examples, it does not seem to be "physics based" like e.g. box2d.
Here is a physics based animation framework:

https://github.com/kripken/box2d.js/