// === Core functions ==========================================================
// ----------------------------------------------------------------
void Awake()
{
buttonRect = StickerManager.GetWorldRectFromRT(this.GetComponent <RectTransform>());
}
// ----------------------------------------------------------------
private bool rectOverlaps(RectTransform rectTrans1, Rect rect2)
{
Rect rect1 = StickerManager.GetWorldRectFromRT(rectTrans1);
return(rect1.Overlaps(rect2));
}