Python超人-宇宙模拟器

common/celestial_data_service.py

@@ -346,6 +346,18 @@ def get_init_pos_vels():
     return init_pos_vels
 
 
+def init_bodies_pos_vels(bodies):
+    # 获取模拟的初始位置和速度
+    init_pos_vels = get_init_pos_vels()
+
+    for body in bodies:
+        pos_vels = init_pos_vels.get(type(body).__name__.lower(), None)
+        if pos_vels is None:
+            continue
+        body.init_position = pos_vels['pos']
+        body.init_velocity = pos_vels['vel']
+
+
 if __name__ == '__main__':
     from astropy.time import Time  # 时间
 

sim_scenes/fiction/sirius_is_coming.py

 # -*- coding:utf-8 -*-
 # title           :天狼星进入太阳系场景模拟
-# description     :天狼星进入太阳系场景模拟
+# description     :天狼星把土星带走了
 # author          :Python超人
 # date            :2023-02-11
 # link            :https://gitcode.net/pythoncr/
@@ -8,17 +8,14 @@
 # ==============================================================================
 from bodies import Sirius, Sun, Mercury, Venus, Earth, \
     Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Moon, Asteroids
+from common.celestial_data_service import init_bodies_pos_vels
 from common.consts import SECONDS_PER_WEEK, SECONDS_PER_DAY, SECONDS_PER_MONTH, AU
-from sim_scenes.func import mayavi_run, ursina_run
+from sim_scenes.func import ursina_run, create_sphere_sky
+from ursina import camera, application
+
+from simulators.ursina.ursina_event import UrsinaEvent
 
 if __name__ == '__main__':
-    # 八大行星：木星(♃)、土星(♄)、天王星(♅)、海王星(♆)、地球(⊕)、金星(♀)、火星(♂)、水星(☿)
-    # 排列顺序
-    # 1、体积：(以地球为1)木星 ：土星 ：天王星 ：海王星 ：地球 ：金星 ：火星 ：水星 = 1330：745：65：60：1：0.86：0.15：0.056
-    # 2、质量：(以地球为1)木星 ：土星 ：天王星 ：海王星 ：地球 ：金星 ：火星 ：水星 = 318：95：14.53：17.15：1：0.8：0.11：0.0553
-    # 3、离太阳从近到远的顺序：水星、金星、地球、火星、木星、土星、天王星、海王星
-    #  =====================================================================
-    #  以下展示的效果为太阳系真实的距离
     #  由于宇宙空间尺度非常大，如果按照实际的天体大小，则无法看到天体，因此需要对天体的尺寸进行放大
     sun = Sun(name="太阳",
               init_velocity=[0, 2, 0],
@@ -43,9 +40,29 @@ if __name__ == '__main__':
         Pluto(name="冥王星", size_scale=10e3),  # 冥王星放大 10000 倍，距离保持不变(从太阳系的行星中排除)
     ]
 
+    init_bodies_pos_vels(bodies)
+
+    def on_ready():
+        """
+        事件绑定后，模拟器运行前会触发
+        @return:
+        """
+        # 创建天空
+        # camera.clip_plane_near = 0.1
+        camera.clip_plane_far = 1000000
+        create_sphere_sky(scale=200000)
+        application.time_scale = 5
+
+    # 运行前会触发 on_ready
+    UrsinaEvent.on_ready_subscription(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(bodies, SECONDS_PER_MONTH, position=(0, 2 * AU, -11 * AU),
-               bg_music="sounds/interstellar.mp3")
+    ursina_run(bodies, SECONDS_PER_MONTH,
+               position=(0, 2 * AU, -11 * AU),
+               cosmic_bg='',
+               show_grid=False,
+               # bg_music="sounds/interstellar.mp3"
+               bg_music='sounds/no_glory.mp3',
+               )

sim_scenes/tri_bodies/two_way_foil.py

@@ -11,7 +11,7 @@ import time
 from ursina import camera, application
 
 from bodies import Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
-from common.celestial_data_service import get_init_pos_vels
+from common.celestial_data_service import get_init_pos_vels, init_bodies_pos_vels
 from common.consts import SECONDS_PER_WEEK, AU
 from objs import QuadObj, CircleObj, Obj
 from sim_scenes.func import camera_look_at, two_bodies_colliding
@@ -44,15 +44,16 @@ class TwoWayFoilSim:
         ]
         # endregion
 
-        # 获取模拟的初始位置和速度
-        init_pos_vels = get_init_pos_vels()
-
-        for body in self.bodies:
-            pos_vels = init_pos_vels.get(type(body).__name__.lower(), None)
-            if pos_vels is None:
-                continue
-            body.init_position = pos_vels['pos']
-            body.init_velocity = pos_vels['vel']
+        init_bodies_pos_vels(self.bodies)
+        # # 获取模拟的初始位置和速度
+        # init_pos_vels = get_init_pos_vels()
+        #
+        # for body in self.bodies:
+        #     pos_vels = init_pos_vels.get(type(body).__name__.lower(), None)
+        #     if pos_vels is None:
+        #         continue
+        #     body.init_position = pos_vels['pos']
+        #     body.init_velocity = pos_vels['vel']
 
     def build_two_way_foil(self):
         """

sim_scenes/tri_bodies/two_way_foil_02.py

@@ -11,7 +11,7 @@ import time
 from ursina import camera, application
 
 from bodies import Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
-from common.celestial_data_service import get_init_pos_vels
+from common.celestial_data_service import get_init_pos_vels, init_bodies_pos_vels
 from common.consts import SECONDS_PER_WEEK, AU
 from objs import QuadObj, CircleObj, Obj
 from sim_scenes.func import camera_look_at, two_bodies_colliding
@@ -44,15 +44,16 @@ class TwoWayFoilSim:
         ]
         # endregion
 
-        # 获取模拟的初始位置和速度
-        init_pos_vels = get_init_pos_vels()
-
-        for body in self.bodies:
-            pos_vels = init_pos_vels.get(type(body).__name__.lower(), None)
-            if pos_vels is None:
-                continue
-            body.init_position = pos_vels['pos']
-            body.init_velocity = pos_vels['vel']
+        init_bodies_pos_vels(self.bodies)
+        # # 获取模拟的初始位置和速度
+        # init_pos_vels = get_init_pos_vels()
+        #
+        # for body in self.bodies:
+        #     pos_vels = init_pos_vels.get(type(body).__name__.lower(), None)
+        #     if pos_vels is None:
+        #         continue
+        #     body.init_position = pos_vels['pos']
+        #     body.init_velocity = pos_vels['vel']
 
     def build_two_way_foil(self):
         """