Smooth rotation problem

Questions & Answers
1

I can’t figure out how to create a smooth rotation, when patroling object reaches turning point. At the moment it just snaps to that direction.

private void Update()
    {
        transform.position = Vector3.MoveTowards(transform.position, waypoints[startIndex].position, Time.deltaTime * speed);
        if(transform.position == waypoints[startIndex].position)
        {
            ChangeDestination();
        }
        ChangeRotation();
    }
    void ChangeDestination()
    {
        if (reverse)
        {
            DetermineDirection();
        }
        startIndex = nextIndex;
        nextIndex = (startIndex + direction) % waypoints.Length;

        if(nextIndex < 0)
        {
            nextIndex += waypoints.Length;
        }
    }
    void DetermineDirection()
    {
        if(nextIndex == 0 || nextIndex == waypoints.Length - 1)
        {
            direction *= -1;
        }
        transform.up = waypoints[nextIndex].position - transform.position;

        Vector2 dir = (waypoints[nextIndex].position - transform.position).normalized;
        angle = Mathf.Atan2(dir.y, dir.x) * Mathf.Rad2Deg - 90;
        newRot = Quaternion.AngleAxis(angle, Vector3.forward);
    }
    void ChangeRotation()
    {
        
        transform.rotation = Quaternion.Slerp(transform.rotation, newRot, 0.1f);
    }
2

Hello, @AarnasS75
Try using Quaternion.RotateTowards.

Quaternion lookRotation = Quaternion.LookRotation(waypoint[ ].position - transform.position);
transform.rotation = Quaternion.RotateTowards(transform.rotation, lookRotation, duration);