MainGame.cs

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;

namespace Polyastro
{
    public class MainGame : Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;
        Player player;

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

        protected override void Initialize()
        {
            base.Initialize();
        }

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

            Player.BaseTexture = Content.Load<Texture2D>("player");
            Player.PointerTexture = Content.Load<Texture2D>("pointer");

            player = new Player(50f, .50f, .50f);
        }

        protected override void Update(GameTime gameTime)
        {
            if (Keyboard.GetState().IsKeyDown(Keys.Escape))
                Exit();

            player.Update(gameTime);

            base.Update(gameTime);
        }

        protected override void Draw(GameTime gameTime)
        {
            GraphicsDevice.Clear(Color.Black);

            spriteBatch.Begin();
            player.Draw(spriteBatch);
            spriteBatch.End();

            base.Draw(gameTime);
        }
    }
}