cameraOrientation = cameraOrientation * framePitch * frameYaw;

cameraOrientation = framePitch * cameraOrientation * frameYaw;

currentDirection * newRotation;

newRotation * currentDirection;

if (keyboard.IsKeyDown(Keys.Up))
            Direction = Direction * Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), TurnSpeed);
        if (keyboard.IsKeyDown(Keys.Down))
            Direction = Direction * Quaternion.CreateFromAxisAngle(new Vector3(-1, 0, 0), TurnSpeed);
        if (keyboard.IsKeyDown(Keys.Left))
            Direction = Quaternion.CreateFromAxisAngle(new Vector3(0, 0, 1), TurnSpeed) * Direction;
        if (keyboard.IsKeyDown(Keys.Right))
            Direction = Quaternion.CreateFromAxisAngle(new Vector3(0, 0, -1), TurnSpeed) * Direction;

playerCameraHolder.transform.Rotate(0, rotationYaw, 0);
playerCamera.transform.Rotate(rotationPitch, 0, 0);