Best options for animation in THREE.JS

Question

What is the best options for animations (texture animations, moving objects, hiding/showing object,...) in three.js ? Do you use extra lib. such as tween.js or something els

Answer 1

small roundup in 2017: check out this simple timeline-lib which can easily trigger the above mentioned FSM (statebased anim) & tween.js (smooth anim):

keyframes