UnityEngine.Mathf.MoveTowards C# (CSharp) Method

        public static float MoveTowards(float current, float target, float maxDelta)
        {
            if (Math.Abs(target - current) <= (double)maxDelta)
                return target;
            return current + Sign(target - current) * maxDelta;
        }

 public static float MoveTowardsAngle(float current, float target, float maxDelta)
 {
     target = current + Mathf.DeltaAngle(current, target);
     return(Mathf.MoveTowards(current, target, maxDelta));
 }