ClosestCrouchDistance

    public class NewBehaviourScript : MonoBehaviour
    {
        // Drop all your crouch points in here, from Inspector.
        public List<Transform> crouchPoints = new List<Transform> ( );

        public int CurrentCrouchPoint { get; set; } = -1;

        private Transform FindClosestCrouchPoint ()
        {
            var closestDistance = float.MaxValue;
            Vector3 origin;
            if ( CurrentCrouchPoint == -1 )
                origin = this.transform.localPosition;
            else
                origin = crouchPoints [ CurrentCrouchPoint ].localPosition;

            var closestCrouchPoint = CurrentCrouchPoint;
            for (int i = 0; i < crouchPoints.Count; i++ )
            {
                if ( i == CurrentCrouchPoint ) continue;
                var tempDistance = Vector3.Distance ( origin, crouchPoints [ i ].localPosition );
                if ( tempDistance < closestDistance )
                {
                    closestDistance = tempDistance;
                    closestCrouchPoint = i;
                }
            }

            CurrentCrouchPoint = closestCrouchPoint;
            return crouchPoints [ CurrentCrouchPoint ];
        }
    }