// Update is called once per frame
 public void SwitchCamera()
 {
     MainCamera.GetComponent <Camera>().enabled = !MainCamera.GetComponent <Camera>().enabled;
     MainCanvas.SetActive(!MainCanvas.activeSelf);
     Camera2nd.GetComponent <Camera>().enabled = !Camera2nd.GetComponent <Camera>().enabled;
     SecondCanvas.SetActive(!SecondCanvas.activeSelf);
 }
 void Start()
 {
     MainCamera.GetComponent <Camera>().enabled = true;
     MainCanvas.SetActive(true);
     Camera2nd.GetComponent <Camera>().enabled = false;
     SecondCanvas.SetActive(false);
 }