def set_options(self, options):
        """ Sets the effect options, overriding the default options """
        for key, val in iteritems(options):
            if key not in self._options:
                self.error("Unkown option:", key)
                continue
            self._options[key] = val
 Sets the effect options, overriding the default options 
metadrive/render_pipeline/rpcore/effect.py