(self)
Perform a Turtle-data update.
Perform a Turtle-data update.
Perform a Turtle - data update .
def _update(self):
        """Perform a Turtle-data update.
        """
        screen = self.screen
        if screen._tracing == 0:
            return
        elif screen._tracing == 1:
            self._update_data()
            self._drawturtle()
            screen._update()                  # TurtleScreenBase
            screen._delay(screen._delayvalue) # TurtleScreenBase
        else:
            self._update_data()
            if screen._updatecounter == 0:
                for t in screen.turtles():
                    t._drawturtle()
                screen._update()
def _update ( self ) : screen = self . screen if screen . _tracing == 0 : return elif screen . _tracing == 1 : self . _update_data ( ) self . _drawturtle ( ) screen . _update ( ) # TurtleScreenBase screen . _delay ( screen . _delayvalue ) # TurtleScreenBase else : self . _update_data ( ) if screen . _updatecounter == 0 : for t in screen . turtles ( ) : t . _drawturtle ( ) screen . _update ( )