void PositionMainControllerPrompt()
{
RectTransform rt = mainPrompt.GetComponent <RectTransform>();
rt.anchorMax = rt.anchorMin = new Vector2(0.5f, 0.5f);
rt.localScale = mainPromptScaleMultiplier * Vector2.one;
rt.anchoredPosition = new Vector2(0.0f, 100.0f);
}