"""
writen by shenjackyuanjie
mail: 3695888@qq.com
"""

import threading


class Orbit_demo(threading.Thread):

    def __init__(self, threadID, delivery_class):
        # father class __init__()
        threading.Thread.__init__(self)
        # dic
        self.ship_info = {"mass": [1, 5, ["kg"], []], "force": []}
        self.planet_system = {"Solar System": {"planets": {
            "smearth": {"description": "", "gravity": 9.81, "radius": 63710000, "map_color": [103, 157, 255]}}}}
        self.this_planet_info = {}
        self.back_ground_element = {}
        self.back_ground_image = ""

    def main(self):
        print("ha ?")

    def orbit_math(self):
        pass