Now, you probably already know to avoid having different objects or
body parts in your scene bump up against each other, creating tangents
in your animation, but now that you're progressing into more complex
shots with props and sets, there are even more types of tangents that
could creep into your work.
Instead of talking about it here though, what I will do is link you an
awesome and very helpful article. It's aimed more towards comics and
drawings but it explains the many types of tangents that can be found
and the same principles can be applied to your animations.
CuriousOldLibrary - Schweizer's Guide to Spotting Tangents
Always remember to watch your work for tangents. You already have a
lot to keep an eye on what with poses, line of action, silhouette,
foreshortening, shot composition and so much more, but avoiding
tangents in your work will definitely help to improve the depth and
visual appeal of your work.
Thank you for taking the time to read my post. I hope it's been helpful,
and as always, if you have any comments, questions or suggestions,
you're more than welcome to leave a comment or send either Beau or
me a message on AM.