Easing (tweening, smooth transitions, non-linear interpolation) functions examples for Openprocessing
OpenProcessing sketch: https://www.openprocessing.org/sketch/704099
OpenProcessing profile: https://www.openprocessing.org/user/173258#sketches
Examples from Squirrel Eiserloh: Math for Game Programmers: Fast and Funky 1D Nonlinear Transformations