Scrolling background (via offset) VS Moving objects

Hi all,

I'm creating a simple 2D platform game. The player is on a fixed X coordinate on the left side of the screen and as he jumps it seems that he's moving right due to the fact that objects are moving towards him and background scrolls accordingly.

• Player is not kinematic and he actually jumps only vertically

• Objects he can jumps on are kinematic, moved setting their velocity different from zero during jumps, and equal to zero elsewhere

• The background is actually a quad with a texture applied on it. On its Update() (or FixedUpdate()) method I change the X offset in order to emulate a movement with the same velocity as objects

The information about the player state is shared among objects via a static variable that is taken into account on their Update()/FixedUpdate() methods.

The background script Update() method:

     void Update () {
         if (GameManager.playerState == PlayerState.Jump) {
             pixelOffset += GameManager.horizzontalVelocity * Time.deltaTime;
             xOffset = (100 * pixelOffset) / texWidth;
             offset = new Vector2 (xOffset, 1);
             material.SetTextureOffset ("_MainTex", offset);
         }
     }

And for objects Update() and FixedUpdate() are:

     void Update () {
         if (GameManager.playerState == PlayerState.Jump) {
             velocity = new Vector2 (-GameManager.horizzontalVelocity, 0);
         } else {
             velocity = Vector2.zero;
         }
     }
     
     void FixedUpdate() {
         body2d.velocity = velocity;
     }

I tried to use both the Update() and the FixedUpdate() method on the background script but each way causes a different problem:

• if I use Update() method the background moves smoothly and on an average basis coherently with objects, but at the moment of the jump and at the landing an hiccup occurs and frame-by-frame I've seen that actually background and objects starts and stop to move at different time

• if I use FixedUpdate() method there are no problem at the moment of jump and on landing but the background movement itself is not smooth

Is there a solution to this or it's not possible to simulate via offset editing the movement trough physics of a rigidbody?

I hope to have explained myself well. Thank you to everyone has suggestions.

Dolfiz