code: def getPlayAreaRect(self):
          
  
          fn = self.function_table.getPlayAreaRect
          rect = HmdQuad_t()
          result = fn(byref(rect))
          return result, rect
docs: Returns the 4 corner positions of the Play Area (formerly named Soft Bounds).
          Corners are in counter-clockwise order.
          Standing center (0,0,0) is the center of the Play Area.
          It's a rectangle.
          2 sides are parallel to the X axis and 2 sides are parallel to the Z axis.
          Height of every corner is 0Y (on the floor).