ClampPosition.cs

        if (Input.GetMouseButton(0)) //this changes for different approaches
        {
            mousePos = (Input.mousePosition);
            Vector2 targetPos= new Vector2(Camera.main.ScreenToWorldPoint(mousePos).x, Camera.main.ScreenToWorldPoint(mousePos).y);

            targetPos.x = Mathf.Clamp(targetPos.x, MinPos.x, MaxPos.x);
            targetPos.y = Mathf.Clamp(targetPos.y, MinPos.y, MaxPos.y);
            transform.position = targetPos; //this changes for different approaches
        }