code: def rectToArray(self, swapWH = False):
          
          if swapWH == False:
              return [self.x, self.y, self.x + self.width, self.y + self.height]
          else:
              return [self.x, self.y, self.x + self.height, self.y + self.width]
docs: !
          \~english
          Rectangles converted to array of coordinates
          @return: an array of rect points. eg. (x1,y1,x2,y2)
  
          \~chinese
          矩形数据转换为矩形坐标数组
          @return: 矩形座标数组, 例如: ( x1,y1,x2,y2 )