Parallax background hiccup when resetting camera position

Hello i need some help with a parallax background script. void Update() {

         float temp = (cam.transform.position.x * (1 - parallexEffect));
         float dist = (cam.transform.position.x * parallexEffect);
  
         transform.position = new Vector3(startPos + dist, transform.position.y, transform.position.z);
         if (temp > startPos + length)
         {
             startPos += length;
  
         }
         else
           if (temp < startPos - length)
         {
  
             startPos -= length;
  
         }

The code works perfectly fine, but i use it for an endless runner game. When the player reaches a certain point in x axis to avoid float point precision problems i reset every objects positions. When that happens

 float temp = (cam.transform.position.x * (1 - parallexEffect));
         float dist = (cam.transform.position.x * parallexEffect);

is getting obviously messed up since the camera got repositioned resulting in a "hiccup" in the background images. Is there anyway to fix that? Thanks in advance