It's pretty easy to upgrade this code to your liking as it's a pretty simple and basic Sprite Animator. Unity's Animator don't give you enough control for 2D (and sometimes even for 3D) games, there ...

3 - Add a Sprite Animator component to the object you wan't to run these animations. 4 - Add the previously created Sprite Animations from your assets folder to the "Sprite Animations" list in the ...