C# XNA - Nybörjare behöver lite hjälp

//Krävs
private Vector2 _speed = new Vector2(0f,0f);
private Vector2 Position = new Vector2(20f, 20f);
private Vector2 Size = new Vector2(30f, 30f);
private float X, Y;

//I Update

if(Mouse.GetState().X >= objekets.Position.X || Mouse.GetState().X <= (objekets.Position.X  + objeketets.Position.X) && Mouse.GetState().Y >= 
objektets.Position.Y || Mouse.GetState().Y <= (objektets.Position.Y + objektets.Width) && Mouse.GetState().LeftButton == ButtonState.Pressed)
{
      X += 5;
      Y += 5;
}

objektets.Position += _speed * (float)gameTime.ElapsedGameTime.TotalSeconds;

//I draw

spriteBatch.Begin();
spriteBatch.Draw(ditt objekt);
spriteBatch.End();