Animation for SuperMario 2D. How to set "Jump" Flipbook

Hello

I want to create first level for SuperMario 2D. In this video author creates two Flipbook. He set “Idle” Flipbook and “Walk” Flipbook by a velocity. I have third Flibook - “Jump”. Please say me how can I detect when I need to set “Jump” Flipbook?

Thank you in advance

I solved the problem: