# -*- coding:utf-8 -*- # title :ursina天体运行模拟器 # description :ursina天体运行模拟器 # author :Python超人 # date :2023-02-11 # link :https://gitcode.net/pythoncr/ # python_version :3.8 # ============================================================================== # pip install -i http://pypi.douban.com/simple/ --trusted-host=pypi.douban.com ursina from ursina import Ursina, window, Entity, camera, color, mouse, Vec2, Vec3, load_texture, held_keys from ursina.prefabs.first_person_controller import FirstPersonController from simulators.views.ursina_view import UrsinaView, UrsinaPlayer # # ------------------------------------------------------------------------------- # app = Ursina() # # window.fullscreen = True # window.color = color.black # # planets = [] # # # class Planet(Entity): # def __init__(self, _type, pos, texture, scale=2): # self.angle = rd.uniform(0.0005, 0.01) # self.fastMode = 0 # self.rotation = (rd.randint(0, 360) for i in range(3)) # self.rotspeed = rd.uniform(0.25, 1.5) # self.rotMode = rd.choice(["x", "y", "z"]) # self._type = _type # # texture = eval(f"{_type}_texture") # texture = load_texture(texture) # super().__init__(model="sphere", # scale=scale, # texture=texture, # color=color.white, # position=pos) # # def turn(self, angle): # # if self._type != "sun": # # if self.fastMode: # # angle *= 200 # # self.x = self.x * cos(radians(angle)) - self.y * sin(radians(angle)) # # self.y = self.x * sin(radians(angle)) + self.y * cos(radians(angle)) # exec(f"self.rotation_{self.rotMode}+=self.rotspeed") # # # def input(self, key): # if key == "enter": # self.fastMode = 1 - self.fastMode # # # # # # def update(): # global planets, player # for planet in planets: # planet.turn(planet.angle) # player._update() # # # os.chdir("../") # # # # sun_texture = load_texture(texture_root + "sun.png") # # mercury_texture = load_texture(texture_root + "mercury.png") # # venus_texture = load_texture(texture_root + "venus.png") # # earth_texture = load_texture(texture_root + "earth.png") # # mars_texture = load_texture(texture_root + "mars.png") # # jupiter_texture = load_texture(texture_root + "jupiter.png") # # saturn_texture = load_texture(texture_root + "saturn.png") # # uranus_texture = load_texture(texture_root + "uranus.png") # # neptune_texture = load_texture(texture_root + "neptune.png") # # texture_root = "../textures/" # ps = ["sun", "mercury", "venus", "earth", "mars", "jupiter", "saturn", "uranus", "neptune"] # cp = [200, 15, 35, 42, 20, 160, 145, 90, 80] # 大小缩放 # x, y, z = 0, 0, 0 # for i, p in enumerate(ps): # # _type, pos, texture, scale=2 # newPlanet = Planet(p, (x, y, z),texture_root+f"{p}.png", cp[i]) # planets.append(newPlanet) # x += cp[i] * 10 # # player = Player(planets) # # if __name__ == '__main__': # # os.chdir("../") # # sun_texture = os.path.join(texture_root, "sun.png") # # print(os.path.exists(sun_texture)) # app.run() # # # --------------------------------------------------------------------------- from simulators.simulator import Simulator from common.system import System import time import datetime from ursina import EditorCamera, PointLight, SpotLight, AmbientLight player = None class UrsinaSimulator(Simulator): def __init__(self, bodies_sys: System): self.app = Ursina() self.ursina_views = [] window.color = color.black super().__init__(bodies_sys, UrsinaView) # ps = ["sun", "mercury", "venus", "earth", "mars", "jupiter", "saturn", "uranus", "neptune"] # cp = [200, 15, 35, 42, 20, 160, 145, 90, 80] # x, y, z = 0, 0, 0 for i, view in enumerate(self.body_views): # pos = tuple(body.position) # ursina_view = UrsinaView(body) view.update() self.ursina_views.append(view) # planets.append(newPlanet) # x += cp[i] * 10 def check_elapsed_time(self): """检查时间间隔是否已过""" now = datetime.datetime.now() elapsed_time = now - self.last_time value = elapsed_time >= self.interval if value: self.last_time = now return value def check_and_evolve(self): if self.check_elapsed_time(): super().evolve(self.evolve_dt) def cosmic_background(self, texture='../textures/cosmic1.jpg'): texture = load_texture(texture) sky_dome = Entity(model='sky_dome', texture=texture, scale=500, color=color.white, position=(0, 0, 0), rotation=(0, 0, 0)) def run(self, dt, **kwargs): self.evolve_dt = dt # 设定时间间隔为1秒 self.interval = datetime.timedelta(seconds=0.01) self.last_time = datetime.datetime.now() - datetime.timedelta(seconds=2) if "light" in kwargs: if kwargs["light"]: li = PointLight() # PointLight, SpotLight, AmbientLight if "cosmic_bg" in kwargs: cosmic_bg = kwargs["cosmic_bg"] import os if cosmic_bg is not None and os.path.exists(cosmic_bg): self.cosmic_background(cosmic_bg) EditorCamera() self.app.run() if __name__ == '__main__': from bodies import Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Moon from common.consts import SECONDS_PER_WEEK, SECONDS_PER_DAY, SECONDS_PER_HALF_DAY """ 3个太阳、1个地球 """ bodies = [ Sun(name='太阳1', mass=1.5e30, init_position=[849597870.700, 0, 0], init_velocity=[0, 7.0, 0], size_scale=5e1, texture="sun.png"), # 太阳放大 100 倍 Sun(name='太阳2', mass=2e30, init_position=[0, 0, 0], init_velocity=[0, -8.0, 0], size_scale=5e1, texture="sun.png"), # 太阳放大 100 倍 Sun(name='太阳3', mass=2.5e30, init_position=[0, -849597870.700, 0], init_velocity=[18.0, 0, 0], size_scale=5e1, texture="sun.png"), # 太阳放大 100 倍 Earth(name='地球', init_position=[0, -349597870.700, 0], init_velocity=[15.50, 0, 0], size_scale=4e3, texture="earth.png", distance_scale=1), # 地球放大 4000 倍，距离保持不变 ] # bodies = [ # # Sun(name='太阳2', mass=1.5e30, init_position=[0, 0, 0], init_velocity=[0, -8.0, 0], # size_scale=5e1, texture="sun.png"), # 太阳放大 100 倍 # Sun(name='太阳2', mass=1.5e30, init_position=[849597870.700, 0, 0], init_velocity=[0, -8.0, 0], # size_scale=5e1, texture="sun.png"), # 太阳放大 100 倍 # Sun(name='太阳2', mass=1.5e30, init_position=[0, -849597870.700, 0], init_velocity=[0, -8.0, 0], # size_scale=5e1, texture="sun.png"), # 太阳放大 100 倍 # Earth(name='地球', mass=5.97237e24, init_position=[0, -349597870.700, 0], init_velocity=[15.50, 0, 0], # size_scale=4e3, texture="earth.png", distance_scale=1), # 地球放大 4000 倍，距离保持不变 # ] bodies = [ Sun(size_scale=0.8e2), # 太阳放大 80 倍 Mercury(size_scale=4e3, distance_scale=1.3), # 水星放大 4000 倍，距离放大 1.3 倍 Venus(size_scale=4e3, distance_scale=1.3), # 金星放大 4000 倍，距离放大 1.3 倍 Earth(size_scale=4e3, distance_scale=1.3), # 地球放大 4000 倍，距离放大 1.3 倍 Moon(size_scale=4e3, distance_scale=1.3), Mars(size_scale=4e3, distance_scale=1.3), # 火星放大 4000 倍，距离放大 1.3 倍 Jupiter(size_scale=0.68e3, distance_scale=0.65), # 木星放大 680 倍，距离缩小到真实距离的 0.65 Saturn(size_scale=0.68e3, distance_scale=0.52), # 土星放大 680 倍，距离缩小到真实距离的 0.52 Uranus(size_scale=0.8e3, distance_scale=0.36), # 天王星放大 800 倍，距离缩小到真实距离的 0.36 Neptune(size_scale=1e3, distance_scale=0.27), # 海王星放大 1000 倍，距离缩小到真实距离的 0.27 Pluto(size_scale=10e3, distance_scale=0.23), # 冥王星放大 10000 倍，距离缩小到真实距离的 0.23(从太阳系的行星中排除) ] # bodies.append(Moon(size_scale=4e3, distance_scale=1.3)) # 月球放大 10 倍，距离保持不变) # bodies = [ # Saturn(size_scale=0.68e3, init_position=[0, 0, 0], # init_velocity=[0, 0, 0], distance_scale=0.52), # 土星放大 680 倍，距离缩小到真实距离的 0.52 # ] body_sys = System(bodies) simulator = UrsinaSimulator(body_sys) player = UrsinaPlayer((4000000, 800000000, 4000000), simulator.ursina_views) # player = FirstPersonController() # player = UrsinaPlayer((0, 0, 0), simulator.ursina_views) def update(): # print('OK') for ursina_view in simulator.ursina_views: simulator.check_and_evolve() ursina_view.update() # ursina_view.entity.turn(ursina_view.entity.angle) # player._update() light = True cosmic_bg = '../textures/cosmic1.png' # cosmic_bg = None simulator.run(SECONDS_PER_DAY, light=light, cosmic_bg=cosmic_bg)