C#_PingPongLAB.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;


class PingPongLAB
{
  static int firstPlayerPadSize = 15;
  static int secondPlayerPadSize = 4;
  static int ballPositionX = 5;
  static int ballPositionY = 5;
  static bool ballDirectionUp = true;
  static bool ballDirectionRight = true;
  static int firstPlayerPosition = 0;
  static int secondPlayerPosition = 0;
  static int firstPlayerResult = 0;
  static int secondPlayerResult = 0;
  static Random randomGenerator = new Random();

    static void RemoveScrollBars()
    {
        Console.ForegroundColor = ConsoleColor.Yellow;
        Console.BufferHeight = Console.WindowHeight;
        Console.BufferWidth = Console.BufferWidth;
    }
    static void DrawFirstPlayer()
    {
        for (int y = firstPlayerPosition; y < firstPlayerPosition + firstPlayerPadSize; y++)
        {
            PrintAtPosition(0, y, '|');
            PrintAtPosition(1, y, '|');
        }
    }

    private static void PrintAtPosition(int x, int y, char symbol)
    {
        Console.SetCursorPosition(x, y);
        Console.Write(symbol); 
    }

    static void DrawSecondPlayer()
    {
        for (int y = secondPlayerPosition; y < secondPlayerPosition + secondPlayerPadSize; y++)
        {
            PrintAtPosition(Console.WindowWidth - 1, y, '|');
            PrintAtPosition(Console.WindowWidth - 2, y, '|');
        }
    }
     static void SetInicialPositions()
    {
        firstPlayerPosition = Console.WindowHeight/2 - firstPlayerPadSize/2;
        secondPlayerPosition = Console.WindowHeight / 2 - secondPlayerPadSize / 2;
        SetBallAtTheMiddleOfTheGameField();
    }

     static void SetBallAtTheMiddleOfTheGameField()
     {
         ballPositionX = Console.WindowWidth / 2;
         ballPositionY = Console.WindowHeight / 2;
     }

      static void DrawBall()
     {
         PrintAtPosition(ballPositionX, ballPositionY, '@');
     }

      private static void PrintResult()
      {
          Console.SetCursorPosition(Console.WindowWidth / 2 - 1, 0);
          Console.Write("{0}-{1}", firstPlayerResult, secondPlayerResult);
      }
      static void MoveFirstPlayerDown()
      {
          if (firstPlayerPosition < Console.WindowHeight - firstPlayerPadSize)
          {
              firstPlayerPosition++;
          }
      }

      static void MoveFirstPlayerUp()
      {
          if (firstPlayerPosition > 0 )
          {
              firstPlayerPosition--;
          }       
      }
      static void MoveSecondPlayerDown()
      {
          if (secondPlayerPosition < Console.WindowHeight - secondPlayerPadSize)
          {
              secondPlayerPosition++;
          }
      }

      static void MoveSecondPlayerUp()
      {
          if (secondPlayerPosition > 0)
          {
              secondPlayerPosition--;
          }
      }

      static void SecondPlayerAIMove()
        {
         int randomNumber = randomGenerator.Next(1, 101);
        //  if (randomNumber == 0)
        //  {
       //       MoveSecondPlayerUp();
       //   }
       //   if (randomNumber == 1)
       //   {
      //        MoveSecondPlayerDown();
     //     }
         if (randomNumber < 70) 
         {
             if (ballDirectionUp == true)
             {
                 MoveSecondPlayerUp();
             }
             else
             {
                 MoveSecondPlayerDown();
             }
         }
        }
      static void MoveBall()
      {
          if (ballPositionY == 0)
          {
              ballDirectionUp = false;
          }
          if (ballPositionY == Console.WindowHeight - 1)
          {
              ballDirectionUp = true;
          }
          if ( ballPositionX == Console.WindowWidth-1)
          {
              SetBallAtTheMiddleOfTheGameField();
              ballDirectionRight = false;
              ballDirectionUp = true;
              firstPlayerResult++;
              Console.SetCursorPosition(Console.WindowWidth / 2, Console.WindowHeight / 2);
              Console.WriteLine("First Player Wins");
              Console.ReadKey();
              
              
          }
          if (ballPositionX == 0 )
          {
              SetBallAtTheMiddleOfTheGameField();
              ballDirectionRight = true;
              ballDirectionUp = true;
              secondPlayerResult++;
              Console.SetCursorPosition(Console.WindowWidth / 2, Console.WindowHeight / 2);
              Console.WriteLine("Second Player Wins");
              Console.ReadKey();

          }

          if (ballPositionX < 3)
          {
              if ( ballPositionY >= firstPlayerPosition
                  && ballPositionY < firstPlayerPosition + firstPlayerPadSize)
              {
                  ballDirectionRight = true;
              }
          }

          if (ballPositionX >= Console.WindowWidth- 3- 1)
          {
              if ( ballPositionY >= secondPlayerPosition
                  && ballPositionY < secondPlayerPosition + secondPlayerPadSize)
              {
                  ballDirectionRight = false;
              }
          }


          if (ballDirectionUp)
          {
              ballPositionY--;
          }
          else
          {
              ballPositionY++;
          }
          if (ballDirectionRight)
          {
              ballPositionX++;   
          }
          else
          {
              ballPositionX--;
          }
      }
      static void GameOver()
      {
          if (firstPlayerResult == 1)
          {
          Console.WriteLine("First Player Wins");
          GameOver();
          return;
          }
          else if (secondPlayerResult == 1)
          {
              Console.WriteLine("Second Player Wins");
              GameOver();
              return;
          }
      }

    static void Main()
    {
        RemoveScrollBars();
        SetInicialPositions();
        while (true)
        {
            if (Console.KeyAvailable)
            {
                ConsoleKeyInfo keyInfo = Console.ReadKey();
                if (keyInfo.Key == ConsoleKey.UpArrow)
                {
                    MoveFirstPlayerUp();
                }
                if (keyInfo.Key == ConsoleKey.DownArrow)
                {
                    MoveFirstPlayerDown();
                }
            }
                
                SecondPlayerAIMove();
                MoveBall();
                Console.Clear();
                DrawFirstPlayer();
                DrawSecondPlayer();
                DrawBall();
                PrintResult();
               // GameOver();
                Thread.Sleep(60);
            
        }
    }

    
}