Python超人-宇宙模拟器

sim_scenes/earth/earth.py

@@ -25,4 +25,4 @@ if __name__ == '__main__':
     ursina_run(bodies, SECONDS_PER_HOUR,
                position=(0, 0, -20000),
                show_grid=False,
-               view_closely=0.001)
+               view_closely=0.001)  # 近距离观看 view_closely=True或0.001

sim_scenes/earth/earth_clouds.py

@@ -35,4 +35,4 @@ if __name__ == '__main__':
     ursina_run(bodies, SECONDS_PER_HOUR / 2,
                position=(1.5 * earth.raduis, 0, -30000),
                show_grid=False,
-               view_closely=0.001)
+               view_closely=0.001)   # 近距离观看 view_closely=True或0.001

sim_scenes/earth/earth_moon.py

@@ -6,11 +6,9 @@
 # link            :https://gitcode.net/pythoncr/
 # python_version  :3.8
 # ==============================================================================
-from bodies import Sun, Earth, Moon
+from bodies import Earth, Moon
 from common.consts import SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_MONTH
 from sim_scenes.func import ursina_run, camera_look_at
-from bodies.body import AU
-from simulators.ursina.entities.entity_utils import create_directional_light
 from simulators.ursina.ursina_event import UrsinaEvent
 
 if __name__ == '__main__':
@@ -20,19 +18,18 @@ if __name__ == '__main__':
     OFFSETTING = 0
     # TODO: 可以抵消月球带动地球的力，保持地球在原地
     # OFFSETTING = 0.01265
-    bodies = [
-        Earth(init_position=[0, 0, 0],
-              init_velocity=[OFFSETTING, 0, 0], size_scale=0.5e1),  # 地球放大 5 倍，距离保持不变
-        Moon(init_position=[0, 0, 363104],  # 距地距离约: 363104 至 405696 km
-             init_velocity=[-1.03, 0, 0], size_scale=1e1)  # 月球放大 10 倍，距离保持不变
-    ]
+
+    earth = Earth(init_position=[0, 0, 0],
+                  init_velocity=[OFFSETTING, 0, 0], size_scale=0.5e1)  # 地球放大 5 倍，距离保持不变
+    moon = Moon(init_position=[0, 0, 363104],  # 距地距离约: 363104 至 405696 km
+                init_velocity=[-1.03, 0, 0], size_scale=1e1)  # 月球放大 10 倍，距离保持不变
+    bodies = [earth, moon]
 
 
     def on_ready():
         # 运行前触发
         # 运行开始前，将摄像机指向地球
-        earth = bodies[0]
-        moon = bodies[1]
+
         # 摄像机看向地球
         camera_look_at(earth)
 

sim_scenes/earth/earth_moon6.py

@@ -7,7 +7,7 @@
 # python_version  :3.8
 # ==============================================================================
 from bodies import Sun, Earth, Moon
-from common.consts import SECONDS_PER_HOUR, SECONDS_PER_HALF_DAY, SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_MONTH
+from common.consts import SECONDS_PER_HOUR, SECONDS_PER_HALF_DAY, SECONDS_PER_DAY
 from sim_scenes.func import mayavi_run, ursina_run
 from bodies.body import AU
 
@@ -17,17 +17,21 @@ if __name__ == '__main__':
     """
     # 地球在中心位置
     e = Earth(init_position=[0, 0, 0], texture="earth_hd.jpg", init_velocity=[0, 0, 0])
+    # 在地球周围创建 6 个月球（初速度为0）
     bodies = [
         e,
-        Moon(init_position=[e.diameter, 0, 0], init_velocity=[0, 0, 0]),   # 月球在地球右面
+        Moon(init_position=[e.diameter, 0, 0], init_velocity=[0, 0, 0]),  # 月球在地球右面
         Moon(init_position=[-e.diameter, 0, 0], init_velocity=[0, 0, 0]),  # 月球在地球左面
-        Moon(init_position=[0, e.diameter, 0], init_velocity=[0, 0, 0]),   # 月球在地球上面
+        Moon(init_position=[0, e.diameter, 0], init_velocity=[0, 0, 0]),  # 月球在地球上面
         Moon(init_position=[0, -e.diameter, 0], init_velocity=[0, 0, 0]),  # 月球在地球下面
-        Moon(init_position=[0, 0, e.diameter], init_velocity=[0, 0, 0]),   # 月球在地球前面
+        Moon(init_position=[0, 0, e.diameter], init_velocity=[0, 0, 0]),  # 月球在地球前面
         Moon(init_position=[0, 0, -e.diameter], init_velocity=[0, 0, 0]),  # 月球在地球后面
     ]
 
     # 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, 60, position=(0, 0, -4 * e.diameter), show_trail=True, view_closely=0.001)
+    ursina_run(bodies, SECONDS_PER_HOUR / 10,
+               position=(0, 0, -4 * e.diameter),
+               show_trail=True,
+               view_closely=0.001)  # 近距离观看 view_closely=True或0.001

sim_scenes/earth/earth_satellites.py

@@ -64,4 +64,4 @@ if __name__ == '__main__':
                position=(30000, 10000, -20000),
                show_trail=True,
                show_timer=True,
-               view_closely=0.001)
+               view_closely=0.001)  # 近距离观看 view_closely=True或0.001