/PongXNA/PongXNA/Game1.cs

using System;

using System.Collections.Generic;

using System.Linq;

using Microsoft.Xna.Framework;

using Microsoft.Xna.Framework.Audio;

using Microsoft.Xna.Framework.Content;

using Microsoft.Xna.Framework.GamerServices;

using Microsoft.Xna.Framework.Graphics;

using Microsoft.Xna.Framework.Input;

using Microsoft.Xna.Framework.Media;



namespace PongXNA

{

    /// <summary>

    /// This is the main type for your game

    /// </summary>



    public class Game1 : Microsoft.Xna.Framework.Game

    {



        GraphicsDeviceManager graphics;

        SpriteBatch spriteBatch;

        SpriteFont font;

        /// <summary>

        ///  TODO Decleration of variable used in this program

        /// </summary>

        ///

        private Rectangle FirstRacketHitBox { get; set; }

        private Rectangle SecondRacketHitBox { get; set; }

        private Rectangle BallHitBox { get; set; }

        private double currentPosXFirstRacket;

        private double currentPosYFirstRacket;

        private double currentPosXSecondRacket;

        private double currentPosYSecondRacket;

        private float currentPosXBall;

        private float currentPosYBall;

        private Vector2 vectorBall;

        private Scene scene = new Scene();

        private int leftScore;

        private int rightScore;

        private string score;

        private int vitesse = 6;



        



        public Game1()

        {

            graphics = new GraphicsDeviceManager(this);

            Content.RootDirectory = "Content";

        }



        /// <summary>

        /// Allows the game to perform any initialization it needs to before starting to run.

        /// This is where it can query for any required services and load any non-graphic

        /// related content.  Calling base.Initialize will enumerate through any components

        /// and initialize them as well.

        /// </summary>

        protected override void Initialize()

        {

            // TODO: Add your initialization logic here



            this.IsMouseVisible = true; //  Allow the mouse to be visible



            /// This the declaration of the position of the first racket we create a hit box for testing in the future if the ball touching them

            /// <FirstRacket>

            currentPosXFirstRacket = 0;

            currentPosYFirstRacket = GraphicsDevice.Viewport.Height / 2 - 39;

            FirstRacketHitBox = new Rectangle((int)currentPosXFirstRacket, (int)currentPosYFirstRacket, 9 * 2 + 8 * 2, 78 * 2);

            /// </FirstRacket>

            /// 

            /// This the declaration of the position of the second racket we create a hit box for testing in the future if the ball touching them

            /// <SecondRacket>

            currentPosXSecondRacket = GraphicsDevice.Viewport.Width - 9 * 2 - 8 * 2;

            currentPosYSecondRacket = GraphicsDevice.Viewport.Height / 2 - 39;

            SecondRacketHitBox = new Rectangle((int)currentPosXSecondRacket, (int)currentPosYSecondRacket, 9 * 2 + 8 * 2, 78 * 2);

            /// </SecondRacket>

            /// 

            /// This the declaration of the position of the ball and we create a hit box

            /// <Ball>

            currentPosXBall = GraphicsDevice.Viewport.Width /2 -4;

            currentPosYBall= GraphicsDevice.Viewport.Height / 2 -4;

            BallHitBox = new Rectangle((int)currentPosXBall, (int)currentPosYBall, 8 * 2, 8 * 2);

            vectorBall.X = -1; vectorBall.Y = -1;

            /// </SecondRacket>

            



            scene.PosXLeftSide = -50;

            scene.PosYLeftSide = -50;

            scene.LeftSideHitBox = new Rectangle((int)scene.PosXLeftSide, (int)scene.PosYLeftSide, 8 * 2 + 50, GraphicsDevice.Viewport.Height + 100);



            scene.PosXRightSide = GraphicsDevice.Viewport.Width - 8 * 2;

            scene.PosYRightSide = 0;

            scene.RightSideHitBox = new Rectangle((int)scene.PosXRightSide, (int)scene.PosYRightSide, 8 * 2 + 50, GraphicsDevice.Viewport.Height + 100);



            scene.PosXUpSide = -50;

            scene.PosYUpSide = -50;

            scene.UpSideHitBox = new Rectangle((int)scene.PosXUpSide, (int)scene.PosYUpSide, GraphicsDevice.Viewport.Width + 100, 8 * 2 + 50);



            scene.PosXDownSide = -50;

            scene.PosYDownSide = GraphicsDevice.Viewport.Height - 8 * 2;

            scene.DownSideHitBox = new Rectangle((int)scene.PosXDownSide, (int)scene.PosYDownSide, GraphicsDevice.Viewport.Width + 100, 8 * 2 + 50);

            

            leftScore = 0;

            rightScore = 0;

            score = "Score :  " + leftScore + "  -  " + rightScore;

            



            base.Initialize();

        }



        /// <summary>

        /// LoadContent will be called once per game and is the place to load

        /// all of your content.

        /// </summary>

        private Texture2D FirstRacket;

        private Texture2D SecondRacket;

        private Texture2D Ball;

        protected override void LoadContent()

        {

            // Create a new SpriteBatch, which can be used to draw textures.

            spriteBatch = new SpriteBatch(GraphicsDevice);

            font = Content.Load<SpriteFont>("Times New Roman");



            // TODO: use this.Content to load your game content here

            FirstRacket = Content.Load<Texture2D>("FirstRacket");

            SecondRacket = Content.Load<Texture2D>("SecondRacket");

            Ball = Content.Load<Texture2D>("Ball");

        }



        /// <summary>

        /// UnloadContent will be called once per game and is the place to unload

        /// all content.

        /// </summary>

        protected override void UnloadContent()

        {

            // TODO: Unload any non ContentManager content here

        }



        /// <summary>

        /// Allows the game to run logic such as updating the world,

        /// checking for collisions, gathering input, and playing audio.

        /// </summary>

        /// <param name="gameTime">Provides a snapshot of timing values.</param>

        protected override void Update(GameTime gameTime)

        {

            // Allows the game to exit

            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)

                this.Exit();





            // TODO: Add your update logic here

            MouseState mouseState = Mouse.GetState(); // We just want to have the current position of mouse

            KeyboardState UpOrDown = Keyboard.GetState();

            if ((mouseState.Y - 39 * 2) > 0 && (mouseState.Y + 39 * 2) < GraphicsDevice.Viewport.Height)//we want to know if the mouse is in the window

            {

                currentPosYFirstRacket = mouseState.Y - 39 * 2;// to put the middle of the racket  in front a the mouse

            }





            if (UpOrDown.IsKeyDown(Keys.Down) && currentPosYSecondRacket + 78 * 2 < GraphicsDevice.Viewport.Height)//to control the second racket manually

            {

                currentPosYSecondRacket = currentPosYSecondRacket + 4;

            }

            else if (UpOrDown.IsKeyDown(Keys.Up) && currentPosYSecondRacket > 0)

            {

                currentPosYSecondRacket = currentPosYSecondRacket - 4;

            }

            else if (currentPosYSecondRacket > 0 && vectorBall.X > 0 && currentPosYSecondRacket + 78 * 2 < GraphicsDevice.Viewport.Height)// to control the second racket with an AI

            {

                currentPosYSecondRacket = currentPosYSecondRacket + 8 * (currentPosYBall + 4 * 2 - currentPosYSecondRacket - 78) / Math.Abs(0.1 + (currentPosYBall + 4 * 2 - currentPosYSecondRacket - 78));

            }

            else

            { }

            if (currentPosYSecondRacket < 0)

            { 

                currentPosYSecondRacket = currentPosYSecondRacket + 3;            

            }

            else if (currentPosYSecondRacket >= GraphicsDevice.Viewport.Height)

            { 

                currentPosYSecondRacket = currentPosYSecondRacket - 3;            

            }

            else

            { }



            if (currentPosXBall < 0)

            {

                //point a droite

                currentPosXBall = GraphicsDevice.Viewport.Width / 2 - 4;

                currentPosYBall = GraphicsDevice.Viewport.Height / 2 - 4;

                rightScore++;

                vectorBall.X = -1;

                vectorBall.Y = 0;

                vitesse = 6;

            }

            else if (currentPosXBall > GraphicsDevice.Viewport.Width)

            {

                //point a gauche

                currentPosXBall = GraphicsDevice.Viewport.Width / 2 - 4;

                currentPosYBall = GraphicsDevice.Viewport.Height / 2 - 4;

                leftScore++;

                vectorBall.X = 1;

                vectorBall.Y = 0;

                vitesse = 6;

            }

            else if (currentPosYBall < 0 || currentPosYBall + 8 * 2 > GraphicsDevice.Viewport.Height)

            {

                vectorBall.Y *= -1;



            }

            else if (FirstRacketHitBox.Contains(BallHitBox))

            {

                vectorBall.X *= -1;

                vectorBall.Y += ((float)currentPosYBall + 8 - (float)currentPosYFirstRacket - 78) / 14;

                vitesse++;

            }

            else if (SecondRacketHitBox.Contains(BallHitBox))

            {

                vectorBall.X *= -1;

                vectorBall.Y += ((float)currentPosYBall + 8 - (float)currentPosYSecondRacket - 78) / 14;

                vitesse++;

            }

            else

            { }



            vectorBall.Normalize();

            currentPosXBall=currentPosXBall + vitesse * vectorBall.X;

            currentPosYBall=currentPosYBall + vitesse * vectorBall.Y;

            

            

            

            

            FirstRacketHitBox = new Rectangle((int)currentPosXFirstRacket, (int)currentPosYFirstRacket, 9*2 + 8 * 2, 78*2); // We just put the new position of mouse

            SecondRacketHitBox = new Rectangle((int)currentPosXSecondRacket, (int)currentPosYSecondRacket, 9 * 2 + 8 * 2, 78 * 2);//We do the same for a test

            BallHitBox = new Rectangle((int)currentPosXBall, (int)currentPosYBall, 8 * 2, 8 * 2);

    

            base.Update(gameTime);



        }



        /// <summary>

        /// This is called when the game should draw itself.

        /// </summary>

        /// <param name="gameTime">Provides a snapshot of timing values.</param>

        protected override void Draw(GameTime gameTime)

        {

            GraphicsDevice.Clear(Color.CornflowerBlue);



            // TODO: Add your drawing code here

            graphics.GraphicsDevice.Clear(Color.White);

            spriteBatch.Begin();

            spriteBatch.Draw(FirstRacket, FirstRacketHitBox, Color.White);

            spriteBatch.Draw(SecondRacket, SecondRacketHitBox, Color.White);

            spriteBatch.Draw(Ball,BallHitBox,Color.White);

            spriteBatch.DrawString(font, score, new Vector2(GraphicsDevice.Viewport.Width / 2 - font.MeasureString(score).X /2, 10), Color.Black);

            spriteBatch.End();

            base.Draw(gameTime);

        }



        

    }

}