Python超人-宇宙模拟器

sim_scenes/featured/eight_stars_alignment.py

@@ -12,7 +12,7 @@ import numpy as np
 from bodies import Sun, Mercury, Venus, Earth, Mars, Asteroids, Jupiter, Saturn, Uranus, Neptune, Moon
 from common.celestial_data_service import get_body_posvel, recalc_moon_position, calc_solar_acceleration, \
     set_solar_system_celestial_position, set_earth_rotation
-from common.consts import SECONDS_PER_WEEK, SECONDS_PER_DAY, SECONDS_PER_HOUR, AU
+from common.consts import SECONDS_PER_MONTH, SECONDS_PER_WEEK, SECONDS_PER_DAY, SECONDS_PER_HOUR, AU
 from sim_scenes.func import ursina_run, create_sphere_sky, two_bodies_colliding
 from sim_scenes.universe_sim_scenes import UniverseSimScenes
 from simulators.ursina.entities.body_timer import TimeData
@@ -150,11 +150,14 @@ class SolarSystemRealitySim(UniverseSimScenes):
         # 需要按照时间和日期来控制地球的自转，所以删除控制地球自转的属性
         delattr(self.earth.planet, "rotation_speed")
         delattr(self.earth.planet, "rotspeed")
-        self.ship.planet.update = lambda: None
+
         # 设置后，可以调整鼠标键盘的控制速度
-        application.time_scale = 1
+        application.time_scale = 0.01
 
         self.ship.planet.position = self.earth.planet.position
+        self.ship.planet.update = lambda :None
+        camera.update = lambda :None
+
 
     def ship_go_target(self):
         from ursina import distance
@@ -170,7 +173,7 @@ class SolarSystemRealitySim(UniverseSimScenes):
         # r = d * 10
         # if r<100:
         #     r = 100
-        r = 500
+        r = 20
         self.ship.planet.look_at(planet)
         self.ship.planet.position += self.ship.planet.forward * r
 
@@ -181,14 +184,23 @@ class SolarSystemRealitySim(UniverseSimScenes):
                 self.target_index += 1
                 planet.arrived = True
 
+
+
     def on_timer_changed(self, time_data: TimeData):
         """
         事件绑定后，时时刻刻都会触发
         @param time_data:
         @return:
         """
+        from ursina import Vec3
         self.ship_go_target()
 
+        target = self.targets[self.target_index]
+        planet = target.planet.main_entity
+
+        camera.look_at(planet)
+
+        camera.position = self.ship.planet.position + Vec3(10, 10, 10)
         dt = time_data.get_datetime(str(self.start_time))
         # 设置天体的位置（包含速度和加速度的信息）
         self.set_bodies_position(time_data)
@@ -272,7 +284,7 @@ if __name__ == '__main__':
     sim.run(
         # debug_mode=True,  # 是否调试模式
         dt=SECONDS_PER_DAY ,  # 1秒=1天
-        # dt=SECONDS_PER_HOUR,  # 1秒=1小时
+        # dt=SECONDS_PER_WEEK,  # 1秒=1周
         # dt=SECONDS_PER_HOUR,  # 1秒=1小时
         start_time='2149-12-10 12:00:00',  # 九(八)星连珠的时间 # https://baijiahao.baidu.com/s?id=1654160345900112362
         # show_asteroids=True,  # 是否显示小行星带（图片模拟）