7.2 Logical Operators; Programming is Fun: C# Adventure Game (Learn C#)

PiF-Adventure-7.2-Logical-Operators.cs

/*
 * 7.2 Logical Operators
 * Example code from Programming is Fun: C# Adventure Game 
 * Learn C# (for beginners)
 * http://programmingisfun.com/learn/c-sharp-adventure-game
*/
using System;

namespace LogicalOperators
{
    class Program
    {
        static Random random;

        static void Main(string[] args)
        {
            Verify();
        }

        static void Verify()
        {
            bool Key = false;
            bool Coin = false;

            Console.WriteLine("Using a random coin toss to determine key and/or coin:");

            Key = CoinToss(random);
            Console.WriteLine("Key: " + Key);

            Coin = CoinToss(random);
            Console.WriteLine("Coin: " + Coin);

            if (Key || Coin)
            {
                Console.WriteLine("OR: Player has found a coin and/or a key.");
            }
            else
            {
                Console.WriteLine("Player has found neither coin or key.");
            }


            if (Key && Coin)
            {
                Console.WriteLine("AND: Player has found both coin and key.");
            }
            else
            {
                Console.WriteLine("Player has not found both.");
            }

            Console.WriteLine("Press enter to try again, X to quit.");
            string input = Console.ReadLine();

            if (input.ToLower() != "x")
            {
                //recursive call to try again:
                Verify();
            }

        }

        static bool CoinToss(Random random)
        {
            random = new Random();

            if (random.Next(2) == 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }
}