""" writen by shenjackyuanjie mail: 3695888@qq.com """ import libs import threading from threading import Thread class Orbit_demo(threading.Thread): def __init__(self, threadID, delivery_class): # father class __init__() threading.Thread.__init__(self) # dic self.ship_info = {} self.planet_system = {"Solar System": {"planets": {"smearth": {"description": "", "gravity": 9.81, "radius": 63710000, "map_color": [103, 157, 255]}}}} self.main_ship_parts = {} self.this_planet_info = {} self.back_ground_element = {} self.back_ground_image = "" def main(self): print("ha ?") def orbit_math(self): mass = self.ship_info["mass"]