Relative animation?

Question

Is there a way to make an animation's values change depending on given values? E.g.. moving left from the position the animation is triggered from?
https://code.sololearn.com/W9suOI6c868P/?ref=app

While you are there, do you know how to make movement keep happening by holding down a button?

Answer 1

Yes, show your code

Answer 2

Abat I have added for you.