rigid.velocity = new Vector3(5,0,0);

// кусок из "Update" - считаю следующий шаг. Я это даже не каждый кадр делаю.
   if (UnityEngine.Time.frameCount % 2 != 0) return;
        for (int i = 0; i < groupMovement.length; i++)
        {
            var dataMove = groupMovement.component[i];
            var spOverride = dataMove.speedOverride;
            var spActual = dataMove.speedActual;

            Vector2 position;
            position.x = dataMove.direction.x * spActual * spOverride;
            position.y = dataMove.direction.y * spActual * 0.75f * spOverride;

            dataMove.step_next = position;
            dataMove.speedOverride = 1;
        }

             // кусок из "FixedUpdate"
             var entity = groupMovement.GetActor(i);

             bPos += dataMove.step_next * Time.DeltaTimeFixed * entity.timeScale;

            if (dataMove.conditionBounds)
            {
                bPos.x = Mathf.Clamp(bPos.x, dataMove.boundsLimit.min.x, dataMove.boundsLimit.max.x);
                bPos.y = Mathf.Clamp(bPos.y, dataMove.boundsLimit.min.y, dataMove.boundsLimit.max.y);
            }

            dataPhysics.body.MovePosition(bPos);

public class ProcessingCamera : ProcessingBase, ITickLate
    {
        public Camera cam;
        public Transform trCam;
        public Transform target;
        public Bounds bounds;
        
        private Vector3 velocity;

        private float smoothTime = .15f;
   

        public ProcessingCamera()
        {
            cam = Camera.main;
            trCam = cam.transform;
        }

        public void TickLate()
        {
            if (target == null) return;
            var boundsCam = cam.OrthographicBounds();
            var position = target.position;
         
  
            position.x = Mathf.Clamp(target.position.x, bounds.min.x+boundsCam.extents.x, bounds.max.x-boundsCam.extents.x);
            position.y = Mathf.Clamp(target.position.y, bounds.min.y+boundsCam.extents.y, bounds.max.y-boundsCam.extents.y);
             
            
            position.z = trCam.position.z;
            trCam.position = Vector3.SmoothDamp(trCam.position, position, ref velocity, smoothTime);  
        }
    }