Checking if player is facing forward or backward to a part?

Okay, pretty much how do i check what the player is facing relative to a part? So, im trying to make a wallrunning thing, now i dont know if i should put the BodyVelocity Velocity to 20,0,0 or -20,0,0 since if i just put it to one then, if i wallrun the other side, it will put me backwards, any solutions?

(Hope i made it clear btw)


Legit just had to use;

It works perfectly and i was planning to add a wall hopping system but by pressing ‘E’ and ‘Space’ at the same time, between walls it made me wall hop, Very cool :smile: