What is the best way to do smooth scrolling in Vim?

Question

The main scrolling commands in Vim are:

1. Ctrl-B and Ctrl-F, as well as PageUp and PageDown scrol

Answer 1

This combines many of these answers, and this is what I use.

noremap   repeat("\ :sleep 10m", winheight('%')/2)
noremap   repeat("\ :sleep 10m", winheight('%')/2)