freeExec

var hexText = "7586487389962e";
        var binaryText = StringToByteArray(hexText);

        public static byte[] StringToByteArray(string hex)
        {
            return Enumerable.Range(0, hex.Length)
                             .Where(x => x % 2 == 0)
                             .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
                             .ToArray();
        }

class Link<T>
        {
            public string WhatClass()
            {
                if (typeof(T) == typeof(int))
                    return "Number";
                else
                    if (typeof(T) == typeof(string))
                    return "Text";

                return "X3";
            }
        }

        static void Main(string[] args)
        {
            var link = new Link<string>();
            var cl = link.WhatClass();
        }

Ray ray = camera.ScreenPointToRay(Input.mousePosition);

cub.transform.position = camera.transform.position + ray.direction * 5;