Python超人-宇宙模拟器

sim_scenes/featured/bodies_size_sim.py

+# -*- coding:utf-8 -*-
+# title           :天体大小比较
+# description     :天体大小比较
+# author          :Python超人
+# date            :2024-01-24
+# link            :https://gitcode.net/pythoncr/
+# python_version  :3.9
+# ==============================================================================
+import threading
+
+from bodies import Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Moon, Callisto, Europa, \
+    Ganymede, Sirius
+from bodies import Rigel, Bellatrix, Alcyone, Antares, Arcturus, Aldebaran, Betelgeuse
+from bodies import EtaCarinae, YCanumVenaticorum, VYCanisMajoris, UYScuti, CarinaeV382, Stephenson_2_18
+
+from bodies.jupiter_system import Io
+from common.consts import SECONDS_PER_HOUR, SECONDS_PER_DAY, AU
+from sim_scenes.func import ursina_run, create_sphere_sky
+from sim_scenes.universe_sim_scenes import UniverseSimScenes
+from simulators.ursina.entities.body_timer import TimeData, AppTimeUtil
+from simulators.ursina.entities.entity_utils import create_directional_light
+from simulators.ursina.ursina_event import UrsinaEvent
+from simulators.ursina.ursina_config import UrsinaConfig
+import ursina
+from ursina import camera, time, Vec3, application
+
+
+class BodiesSizeSim(UniverseSimScenes):
+    def __init__(self):
+        self.D = AU / 30000
+        # earth1 = Earth("地球1", init_position=[0, 0, 0], rotate_angle=-23.44)
+        self.bodies = [
+            Pluto(name="冥王星", init_position=[-4*self.D, 0, 0]),
+            Moon("月球", init_position=[-3*self.D, 0, 0]),
+            Io(name="木卫一", init_position=[-2*self.D, 0, 0]),
+            Europa(name="木卫二", init_position=[-self.D, 0, 0]),
+            Ganymede(name="木卫三", init_position=[0, 0, 0]),
+            Callisto(name="木卫四", init_position=[self.D, 0, 0]),
+            Mercury(name="水星", init_position=[2*self.D, 0, 0]),
+            Mars(name="火星", init_position=[-4*self.D, self.D, self.D]),
+            Venus(name="金星", init_position=[-self.D, self.D, self.D]),
+            Earth("地球", texture="earth2.jpg", rotate_angle=0, init_position=[3 * self.D, self.D, self.D]),
+            Uranus(name="天王星", init_position=[-6*self.D, 5*self.D, 5*self.D]),
+            Neptune(name="海王星", init_position=[6*self.D, 5*self.D, 5*self.D]),
+            Saturn(name="土星", init_position=[-20*self.D, 11*self.D, 30*self.D]), # .show_rings(False),
+            Jupiter(name="木星", texture='jupiter_hd.jpg', init_position=[25*self.D, 14*self.D, 25*self.D]),
+            Sun(name="太阳", init_position=[70*self.D, 70*self.D, 250*self.D]),
+            Sirius(name="天狼星A", init_position=[-90*self.D, 120*self.D, 450*self.D]),
+            Alcyone(name="昴宿六", init_position=[-900*self.D, 1200*self.D, 1200*self.D]),               #        质量倍数 6      半径倍数 9.5
+            Arcturus(name="大角星", init_position=[2000*self.D, 3000*self.D, 4000*self.D]),              #        质量倍数 1.1    半径倍数 25.7
+            Aldebaran(name="毕宿五", init_position=[-5000*self.D, 4000*self.D, 9000*self.D]),             #        质量倍数 1.16   半径倍数 44.13
+            Rigel(name="参宿七", init_position=[9000*self.D, 8000*self.D, 13000*self.D]),                 #        质量倍数 18     半径倍数 78
+            # # YCanumVenaticorum(name="猎犬座Y", init_position=[-90*self.D, 120*self.D, 450*self.D]),  #       质量倍数 3.0    半径倍数 215
+            EtaCarinae(name="海山二", init_position=[-15000*self.D, 28000*self.D, 45000*self.D]),            #        质量倍数 125    半径倍数 278
+            # # Antares(name="心宿二", init_position=[-90*self.D, 120*self.D, 450*self.D]),            #        质量倍数 15     半径倍数 680
+            CarinaeV382(name="船底座V382", init_position=[35000*self.D, 70000*self.D, 150000*self.D]),           #    质量倍数 39     半径倍数 747
+            # # Betelgeuse(name="参宿四", init_position=[-90*self.D, 120*self.D, 450*self.D]),        #        质量倍数 19     半径倍数 1180
+            VYCanisMajoris(name="大犬座VY", init_position=[-85000*self.D, 140000*self.D, 360000*self.D]),        #      质量倍数 30     半径倍数 1400
+            # # UYScuti(name="盾牌座 UY", init_position=[-85000*self.D, 140000*self.D, 360000*self.D]),            # 盾牌座 UY    质量倍数 10     半径倍数 1708
+            Stephenson_2_18(name="史蒂文森2-18", init_position=[95000*self.D, 200000*self.D, 800000*self.D])        # 史蒂文森2-18 质量倍数 40.0   半径倍数 2150
+        ]
+
+        for body in self.bodies:
+            # if body.rotation_speed == 0:
+            body.rotation_speed = 10
+            body.init_velocity = [0, 0, 0]
+            body.ignore_mass = True
+
+    def on_ready(self):
+        # 运行前触发
+        # 为了较好的立体效果，可以增加太阳光线，光线直射地球（target=earth）
+        create_directional_light(position=([-1e2, -1e2, -5e4]),
+                                 light_num=3,
+                                 target= self.bodies[0])
+        camera.clip_plane_near = 0.001
+        camera.clip_plane_far = 50000000
+        camera.fov = 60
+        application.time_scale = 0.001
+        sky = create_sphere_sky(scale=100000)
+        # sky.alpha = 0.5
+        # sky.rotation_y = -90
+        sky.rotation_x = 200
+        # sky.rotation_z = 200
+
+        # for idx, body in enumerate(self.bodies):
+        #     if idx <= len(body_rotation_y) - 1:
+        #         body.planet.rotation_y = body_rotation_y[idx]
+
+    # interval = 5
+
+    def on_timer_changed(self, time_data: TimeData):
+        pass
+
+    def run(self):
+        # 运行中，每时每刻都会触发 on_timer_changed
+        UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed)
+        # 运行前会触发 on_ready
+        UrsinaEvent.on_ready_subscription(self.on_ready)
+
+        # 使用 ursina 查看的运行效果
+        # 常用快捷键： P：运行和暂停  O：重新开始  I：显示天体轨迹
+        # position = 左-右+、上+下-、前+后-
+        ursina_run(self.bodies, SECONDS_PER_HOUR / 2,
+                   position=[0, 0, -5e4],
+                   # position=[0, 2e4, -15e4], # 海王星
+                   # position=[0, 2e4, -35e4], # 木星
+                   # position=[0, 35e4, -150e4], # 太阳
+                   # position=[0, 50e4, -250e4], # 天狼星
+                   # position=[0, 500e4, -2400e4], # 昴宿六
+                   # position=[0, 1500e4, -5500e4], # 大角星
+                   # position=[0, 2500e4, -10000e4],  # 毕宿五
+                   # position=[0, 5000e4, -20000e4],  # 参宿七
+                   # position=[0, 15000e4, -55000e4],  # 海山二
+                   # position=[0, 38000e4, -150000e4],  # 船底座V382
+                   # position=[0, 80000e4, -300000e4], # 盾牌座 UY
+                   # position=[0, 70000e4, -280000e4],  # 史蒂文森2-18
+                   cosmic_bg='',
+                   # show_name=True,
+                   show_control_info=False,
+                   show_exit_button=False,
+                   show_camera_info=False,
+                   show_grid=False,
+                   # view_closely=True,
+                   timer_enabled=True)
+
+
+if __name__ == '__main__':
+    BodiesSizeSim().run()