screenfader5

    void Awake()
    {
        if(instance != null)
        {
            DestroyImmediate(gameObject);
            return;
        }
        instance = this;

        // Create the canvas and set it to screen space overlay mode
        // ---------------------------------------------------------
        var canvas = new GameObject("Canvas", typeof(Canvas)).GetComponent<Canvas>();
        canvas.transform.SetParent(transform, false);
        canvas.renderMode = RenderMode.ScreenSpaceOverlay;
        canvas.sortingOrder = sortOrder;

        // Add a CanvasGroup component so we can make it non-blocking and control the alpha
        // --------------------------------------------------------------------------------
        group = canvas.gameObject.AddComponent<CanvasGroup>();
        group.alpha = 0f;
        group.interactable = false;
        group.blocksRaycasts = false;
        group.gameObject.SetActive(false);

        // Add an image, set it's colour and scale it to ensure there is no border
        // -----------------------------------------------------------------------
        var image = new GameObject("image", typeof(Image)).GetComponent<Image>();
        image.transform.SetParent(canvas.transform, false);
        image.color = fadeColour;
        image.transform.localScale =  new Vector2(1.25f, 1.25f);

        // Set the image to be centred and fill the screen,
        // and set anchors to stretch the image if screen size changes
        // -------------------------------------------------------------
        var imageRect = image.GetComponent<RectTransform>();
        imageRect.anchorMin = Vector2.zero;
        imageRect.anchorMax  = Vector2.one;
        imageRect.anchoredPosition = Vector2.zero;
        imageRect.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal,Screen.width);
        imageRect.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical,Screen.height);
    }