Position initiale du personnage

Bonjour,

j'ai commencé un petit jeu, mais je bloque quant à la position du personnage en début de partie, je sais pas quoi rajouter ni où pour pouvoir le positionner :s
Les 2 classes concernées :

Code:

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namespace test
{
    public class Player
    {
        Texture2D playerImage;
        Vector2 playerPosition;
        Vector2 tempCurrentFrame;
        KeyboardState keyState;
 
        float moveSpeed = 300f;
 
        Animation playerAnimation = new Animation();
 
 
        public void Initialize()
        {
            playerAnimation.Initialize(playerPosition, new Vector2(6, 2));
            tempCurrentFrame = Vector2.Zero;
        }
 
        public void LoadContent(ContentManager Content)
        {
            playerImage = Content.Load<Texture2D>("mainsheet");
            playerAnimation.AnimationImage = playerImage;
        }
 
        public void Update(GameTime gameTime)
        {
            keyState = Keyboard.GetState();
            playerAnimation.Active = true;
            playerPosition = playerAnimation.Position;
 
           if (keyState.IsKeyDown(Keys.Right))
            {
                playerPosition.X += moveSpeed * (float)gameTime.ElapsedGameTime.TotalSeconds;
                tempCurrentFrame.Y = 0;
            }
            else if (keyState.IsKeyDown(Keys.Left))
            {
                playerPosition.X -= moveSpeed * (float)gameTime.ElapsedGameTime.TotalSeconds;
                tempCurrentFrame.Y = 1;
            }
            else playerAnimation.Active = false;
 
            tempCurrentFrame.X = playerAnimation.CurrentFrame.X;
            playerAnimation.Position = playerPosition;
            playerAnimation.CurrentFrame = tempCurrentFrame;
            playerAnimation.Update(gameTime);
        }
 
        public void Draw(SpriteBatch spriteBatch)
        {
            playerAnimation.Draw(spriteBatch);
        }
    }
}

Code:

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namespace test
{
    public class Animation
    {
        int nbFrame;
        int switchFrame;
 
        bool active;
 
        Vector2 position;
        Vector2 frameAmount;
        Vector2 currentFrame;
        public Texture2D Image;
        Rectangle sourceRect;
 
        public bool Active
        {
            get { return active; }
            set { active = value; }
        }
        public Vector2 CurrentFrame
        {
            get { return currentFrame; }
            set { currentFrame = value; }
        }
 
        public Vector2 Position
        {
            get { return position; }
            set { position = value; }
        }
 
        public Texture2D AnimationImage
        {
            set { Image = value; }
        }
        public int FrameWidth
        {
            get { return Image.Width / (int)frameAmount.X; }
        }
 
        public int FrameHeight
        {
            get { return Image.Height / (int)frameAmount.Y; }
        }
 
        public void Initialize(Vector2 position, Vector2 Frames)
        {
            active = false;
            switchFrame = 120;
            this.position = position;
            this.frameAmount = Frames;
        }
 
        public void Update(GameTime gameTime)
        {
            if (active)
            {
                nbFrame += (int)gameTime.ElapsedGameTime.TotalMilliseconds;
            }
            else nbFrame = 0;
            if (nbFrame >= switchFrame)
            {
                nbFrame = 0;
                currentFrame.X += FrameWidth;
                if (currentFrame.X >= Image.Width)
                {
                    currentFrame.X = 0;
                }
            }
            sourceRect = new Rectangle((int)currentFrame.X, (int)currentFrame.Y * FrameHeight, FrameHeight, FrameWidth);
        }
 
        public void Draw(SpriteBatch spriteBatch)
        {
            spriteBatch.Draw(Image, position, sourceRect, Color.White);
        }
    }
}

merci d'avance