// Update is called once per frame void Update() { int tileContents = gameManager.CheckTileContents(transform.position); if (mouseOver == true) { mat.color = Color.white; } else { if (tileContents == 0) { mat.color = Color.clear; } else if (tileContents == 1) { mat.color = Color.blue; } else if (tileContents == 2) { mat.color = Color.red; } } }