/** * \brief Initilizes the HP textbox on the HUD overlay, and sets up a callback function so that * the HP textbox gets updated every time the player's HP gets decremented. * \param void * \return void */ private void Start() { HP hp = GetComponent <HP>(); textBox.text = "Lives: " + hp.hp; hp.AddDecrementCallback((hp) => textBox.text = "Lives: " + hp); }