// Update is called once per frame
    void Update()
    {
        P1Building = GameObject.FindGameObjectsWithTag("P1Building");
        P2Building = GameObject.FindGameObjectsWithTag("P2Building");

        foreach (GameObject p1B in P1Building)
        {
            if (p1B.transform.childCount > 0)
            {
                temp = p1B.transform.parent.gameObject;
                sphs = temp.GetComponent <SpawnPointHealthScript> ();
                colourHealthValue = (sphs.health / 100);
                //Debug.Log (colourHealthValue);
                Renderer rend = temp.GetComponent <Renderer> ();
                rend.material.shader = Shader.Find("Transparent/Diffuse");
                rend.material.color  = new Color(0, 0, 1, colourHealthValue);
            }
        }

        foreach (GameObject p2B in P2Building)
        {
            if (p2B.transform.childCount > 0)
            {
                temp = p2B.transform.parent.gameObject;
                sphs = temp.GetComponent <SpawnPointHealthScript> ();
                colourHealthValue = (sphs.health / 100);
                Renderer rend = temp.GetComponent <Renderer> ();
                rend.material.shader = Shader.Find("Transparent/Diffuse");
                rend.material.color  = new Color(1, 0, 0, colourHealthValue);
            }
        }
    }
    // Use this for initialization
    void Start()
    {
        resources   = GameObject.Find("Resources");
        rm          = resources.GetComponent <ResourcesManager> ();
        stageScript = GameObject.Find("Stage");
        ss          = stageScript.GetComponent <StageScript> ();
        SPHealthOJ  = GameObject.Find("SpawnPointFab");
        sh          = SPHealthOJ.GetComponent <SpawnPointHealthScript> ();


        gasText     = transform.Find("GasTip").GetComponent <Text>();
        nuclearText = transform.Find("NuclearTip").GetComponent <Text>();
        coalText    = transform.Find("CoalTip").GetComponent <Text>();
        windText    = transform.Find("WindTip").GetComponent <Text>();
        oilText     = transform.Find("OilTip").GetComponent <Text>();
        solarText   = transform.Find("SolarTip").GetComponent <Text>();
    }