Bad scrolling text animation
You have to be careful regarding to timing issues (vsync of your monitor vs qmetro timing vs line objects rate, etc).
Suggestions: use jit.world instead of jit.render/jit.window
Connect a jit.gl.material to your objects instead of using "old" strategies like @lighting 1 and other legacy OpenGL approaches
use bline instead of line
derive what you can from a main "metro" (in this case, jit.world)
Be careful with triggering output (automatic 1) without needing to output/process.
Max Patch
Copy patch and select New From Clipboard in Max.
Good luck!
Ok, even After Effect 60fps can't make it smooth enough... I'm discovering wonderfull things on vsync... :(
Yes, if you want smoother animation you would neeed to use techniques such as motion blur, be it in After Effects or Jitter.