im making a sonic fangame and i dont know how to make sonic physics so if anybody knows how please tell me

my boss engine

link https://scratch.mit.edu/projects/868455380

Ponal LcPonald Vector

https://scratch.mit.edu/projects/869106579/

WIP

Edit: done https://gamejolt.com/p/mario-and-green-mario-gekbi8pu

Boss Engine Update

https://scratch.mit.edu/projects/868455380/

BEWARE THE NOID.

(The classical ol'Dominos mascot)

Hud Update

https://scratch.mit.edu/projects/865514096/

for all the people wanting to help someone on a fangame go on to this page and tell what you are good at to join my studio link https://scratch.mit.edu/users/men-hams/

(add the dust man theme from mega man 4) omg its dust man from fnf

awsome little pizza tower fangame

https://scratch.mit.edu/projects/865514096/

has L rank