public static GameObject FindUIRoot()
{
#if UGUI
GameObject root = new GameObject("Canvas");
Canvas can = root.AddComponent <Canvas>();
can.renderMode = RenderMode.ScreenSpaceOverlay;
var scaler = root.AddComponent <CanvasScaler>();
scaler.uiScaleMode = CanvasScaler.ScaleMode.ScaleWithScreenSize;
scaler.referenceResolution = new Vector2(1280, 720);
scaler.screenMatchMode = CanvasScaler.ScreenMatchMode.Expand;
root.AddComponent <GraphicRaycaster>();
return(root);
#elif NGUI
UIRoot root = GameObject.FindObjectOfType <UIRoot>();
if (root == null)
{
GameTools.CreateUI(false);
}
return(GameObject.FindObjectOfType <UICamera>().gameObject);
#endif
return(null);
}