Engine-Pong/Game/Game1.cs

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Pong.Behaviours;
using Syntriax.Engine.Core;
using Syntriax.Engine.Core.Abstract;
using Syntriax.Engine.Core.Behaviours;
using Syntriax.Engine.Input;

namespace Pong;

public class Game1 : Game
{
    private GraphicsDeviceManager _graphics;
    private SpriteBatch _spriteBatch;
    private GameManager gameManager = null!;

    public Game1()
    {
        _graphics = new GraphicsDeviceManager(this);
        Content.RootDirectory = "Content";
        IsMouseVisible = true;
    }

    protected override void Initialize()
    {
        gameManager = new();

        // TODO: Add your initialization logic here
        gameManager.Initialize();

        base.Initialize();
    }

    protected override void LoadContent()
    {
        _spriteBatch = new SpriteBatch(GraphicsDevice);

        Sprite sprite = new Sprite() { Texture2D = Content.Load<Texture2D>("Sprites/Pixel") };
        {
            IGameObject gameObject = gameManager.InstantiateGameObject<GameObject>();
            gameObject.Name = "Left";
            gameObject.Transform.Position = new Vector2(Window.ClientBounds.Width * .1f, Window.ClientBounds.Height * .5f);
            gameObject.Transform.Scale = new Vector2(Window.ClientBounds.Width * .02f, Window.ClientBounds.Height * .15f);
            gameObject.BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
            gameObject.BehaviourController.AddBehaviour<MovementBehaviour>(Keys.S, Keys.W, 200f);
            gameObject.BehaviourController.AddBehaviour<DrawableSpriteBehaviour>().Assign(sprite);
        }
        {
            IGameObject gameObject = gameManager.InstantiateGameObject<GameObject>();
            gameObject.Name = "Right";
            gameObject.Transform.Position = new Vector2(Window.ClientBounds.Width * .9f, Window.ClientBounds.Height * .5f);
            gameObject.Transform.Scale = new Vector2(Window.ClientBounds.Width * .02f, Window.ClientBounds.Height * .15f);
            gameObject.BehaviourController.AddBehaviour<KeyboardInputsBehaviour>();
            gameObject.BehaviourController.AddBehaviour<MovementBehaviour>(Keys.Down, Keys.Up, 200f);
            gameObject.BehaviourController.AddBehaviour<DrawableSpriteBehaviour>().Assign(sprite);
        }
        // TODO: use this.Content to load your game content here
    }

    protected override void Update(GameTime gameTime)
    {
        if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
            Exit();
        if (Keyboard.GetState().IsKeyDown(Keys.F))
        {
            _graphics.PreferMultiSampling = false;
            _graphics.PreferredBackBufferWidth = GraphicsAdapter.DefaultAdapter.CurrentDisplayMode.Width;
            _graphics.PreferredBackBufferHeight = GraphicsAdapter.DefaultAdapter.CurrentDisplayMode.Height;
            _graphics.IsFullScreen = true;
            _graphics.ApplyChanges();
        }

        // TODO: Add your update logic here
        gameManager.Update(gameTime);

        base.Update(gameTime);
    }

    protected override void Draw(GameTime gameTime)
    {
        GraphicsDevice.Clear(new Color() { R = 32, G = 32, B = 32 });

        // TODO: Add your drawing code here
        gameManager.PreDraw(gameTime);
        gameManager.Draw(_spriteBatch);

        base.Draw(gameTime);
    }
}