Unity C# - Rounding to intervals

public class IntervalClamp : MonoBehaviour
    {

        #region Public Fields
        public float speed;                 // For moving the object
        public float interval = 0.0625f;    // [1/16]
        #endregion

        #region Private Fields
        private Vector3 actualPosition;     // Where the object is in 3D space (unlocked)
        #endregion

        #region Unity Methods
        protected void Start ()
        {
            actualPosition = transform.position;
        }

        protected void Update ()
        {
            // Moving the objects actual position along the X-Axis : All movement should be to the 'actual position'
            actualPosition = new Vector3(actualPosition.x + speed * Time.deltaTime, actualPosition.y, actualPosition.z);

            Vector3 lockedPosition = actualPosition;                            // Position when unlocked to interval
            lockedPosition.x = RoundToInterval(lockedPosition.x, interval);     // Locking the x-coordinate to the interval : Run this on all coords for all to be locked

            transform.position = lockedPosition;                                // Setting the Transform to the locked position
        }
        #endregion

        #region Public Methods
        #endregion

        #region Private Methods
        private float RoundToInterval (float value, float interval)             // Will round a number to the nearest interval
        {
            int numberOfIntervals = Mathf.RoundToInt(value / interval);
            float roundedValue = numberOfIntervals * interval;
            return roundedValue;
        }

        private float RoundUpToInterval(float value, float interval)            // Will round a number up to the nearest interval
        {
            int numberOfIntervals = Mathf.RoundToInt((value + interval / 2) / interval);
            float roundedValue = numberOfIntervals * interval;
            return roundedValue;
        }

        private float RoundDownToInterval(float value, float interval)          // Will round a number down to the nearest interval
        {
            int numberOfIntervals = Mathf.RoundToInt((value - interval/2) / interval);
            float roundedValue = numberOfIntervals * interval;
            return roundedValue;
        }
        #endregion

    }