code: def init_coords(cb, params):
      
      w = cb.width - MENU_WIDTH - 1
      h = cb.height - 1
  
      params.plane_w = w
      params.plane_h = h
      params.resize(w, h)
  
      zoom(params, 1)
docs: Initializes coordinates and zoom for first use.
  
      Loads coordinates from Mandelbrot-space.
  
      :param cb: Cursebox instance.
      :type cb: cursebox.Cursebox
      :param params: Current application parameters.
      :type params: params.Params
      :return: