camera class

    public class Camera3rdPerson
    {
        public Matrix view;
        public Matrix proj;

        public Camera3rdPerson()
        {
            proj = Matrix.CreatePerspectiveFieldOfView(0.78f, 1.777f, 1f, 10000f);

        }

        public void Update(Matrix objectToFollow)
        {
            Vector3 camPosition = objectToFollow.Translation +
                                    (objectToFollow.Backward * 200f) +
                                    (objectToFollow.Up * 150f) +
                                    (objectToFollow.Left * 20f);

            Vector3 camTarget = objectToFollow.Translation +
                                (objectToFollow.Up * 75);

            view = Matrix.CreateLookAt(camPosition, camTarget, Vector3.Up);
        }

    }