Utility class containing helper methods for working with RectTransform.

 public static bool RectangleContainsScreenPoint(RectTransform rect, Vector2 screenPoint)
 {
     return(RectTransformUtility.RectangleContainsScreenPoint(rect, screenPoint, null));
 }
 public static bool RectangleContainsScreenPoint(RectTransform rect, Vector2 screenPoint, Camera cam)
 {
     return(RectTransformUtility.INTERNAL_CALL_RectangleContainsScreenPoint(rect, ref screenPoint, cam));
 }
 public static Bounds CalculateRelativeRectTransformBounds(Transform trans)
 {
     return(RectTransformUtility.CalculateRelativeRectTransformBounds(trans, trans));
 }