Time Mesh is a motion based Android watchface. If you are calm, time moves in an orderly fashion. If not, ripples will propagate through your perception of time. Built using a physics simulation connected by springs, rendered using OpenGL in Java.

Source code here: https://github.com/chaoticbob/AndroidWatchFaces

See the watchface in action here: https://youtu.be/fGnshDKOR_s