    def __init__(self, screen, count, pattern="..+..   ...x...  ...*...         ", **kwargs):
        """
        :param screen: The Screen being used for the Scene.
        :param count: The number of starts to create.
        :param pattern: The string pattern for the stars to loop through

        Also see the common keyword arguments in :py:obj:`.Effect`.
        """
        super().__init__(screen, **kwargs)
        self._pattern = pattern
        self._max = count
        self._stars = []
:param screen: The Screen being used for the Scene.
:param count: The number of starts to create.
:param pattern: The string pattern for the stars to loop through

Also see the common keyword arguments in :py:obj:`.Effect`.
asciimatics/effects.py