Created by animate(). Frames are computed from the same geometry
pipeline as static output — one buffer per frame value — and the
interactive target plays them with a scrubber.
Arguments
- var
Name of the transition variable.
- duration
Milliseconds per frame.
- easing
Easing curve: "linear", "cubic", "cubic-in-out".
- loop
Restart automatically at the end.
Value
An S7 object of class Animation; usually built by animate().