public void Unplug()
    {
        Debug.Log("Plugging out");

        wirePlug = null;
        //GetComponent<SpriteRenderer>().color = Color.white;
    }
 public void PlugIn(WirePlug plug)
 {
     Debug.Log("Plugging in");
     wirePlug = plug;
     //GetComponent<SpriteRenderer>().color = Color.green;
 }