The collisions are really weird, idk what game engine you are using but usually resetting the player position doesnt work very well, you should use a collider instead.
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Lol I know, I didn't use a rigidbody. I used transform.Translate. And I made the walls push the character away to prevent the character from going through, which caused the jitteriness, has nothing to do with the camera. I could have solved everything by using a rigidbody controller. Everything was purely intentional. Thanks for playing, hope it wasn't too bad of an experience.