// Use this for initialization void Start() { //initialize variables and get object references currentHealth = maxHealth; //gameover = GameObject.FindGameObjectWithTag ("GameOver"); //restartScript = gameover.GetComponent<RestartGame> (); myRenderer = GetComponent <SpriteRenderer> (); countdownTimer = timeSpentRed; myHealthDisplay = GetComponent <HealthDisplay> (); if (myHealthDisplay.enabled) { myHealthDisplay.SetupDisplay(this); } }