def METHOD_NAME(self, old_scene=None, screen=None):
    """
    Reset the scene ready for playing.
    :param old_scene: The previous version of this Scene that was running before the
        application reset - e.g. due to a screen resize.
    :param screen: New screen to use if old_scene is not None.
    """
    # Always reset all the effects.
    for effect in self._effects:
        effect.METHOD_NAME()
    # If we have an old Scene to recreate, get the data out of that and
    # apply it where possible by cloning objects where appropriate.
    if old_scene:
        for old_effect in old_scene.effects:
            # catching AttributeErrors here has hidden bugs, so explicitly
            # check for the cloning interface before calling it.
            if hasattr(old_effect, "clone"):
                old_effect.clone(screen, self)