Python超人-宇宙模拟器

sim_lab/halley_comet_research_calc.py

@@ -136,8 +136,8 @@ def calc_simulator(params, factor=1):
 
     def before_evolve(dt, context: CalcContext):
         sim.start_time = conv_to_astropy_time(params.start_time)
-        # td = TimeData(sim.total_times * dt, BodyTimer.MIN_UNIT_SECONDS)
-        time_data = TimeData(sim.total_times * dt, BodyTimer.MIN_UNIT_SECONDS)
+        # td = TimeData(sim.total_times * dt, BodyTimer.MIN_UNIT_SECONDS, dt)
+        time_data = TimeData(sim.total_times * dt, BodyTimer.MIN_UNIT_SECONDS, dt)
         sim.total_times += 1
 
         t = sim.start_time + time_data.total_days
@@ -157,7 +157,7 @@ def calc_simulator(params, factor=1):
         d_sun = calculate_distance(sim.halley_comet.position, sim.sun.position)
         d_earth = calculate_distance(sim.halley_comet.position, sim.earth.position)
         time_data = context.get_param("time_data")
-        # td = TimeData(sim.total_times * dt * UrsinaSimulator.INTERVAL_FATOR, BodyTimer.MIN_UNIT_SECONDS)
+        # td = TimeData(sim.total_times * dt * UrsinaSimulator.INTERVAL_FATOR, BodyTimer.MIN_UNIT_SECONDS, dt)
 
         # sim.set_bodies_position(td)
 

sim_scenes/featured/earth_3d.py

@@ -43,7 +43,7 @@ if __name__ == '__main__':
 
     def on_ready():
         # 运行前触发
-        create_sphere_sky(scale=2000)
+        sky = create_sphere_sky(scale=10000, rotation_y=150)
 
 
     def on_timer_changed(time_data):
@@ -52,6 +52,13 @@ if __name__ == '__main__':
         # 地球转了一圈(360)就停止,370是留些余量
         if abs(earth.planet.rotation_y) > 365:
             exit(0)
+        # from ursina import camera, Vec3, time
+        # camera.parent.position += Vec3(0.0000001 * time_data.dt, 0, -0.0000003 * time_data.dt)
+        # Camera3d.look_to(earth.planet)
+        # camera.parent.look_at(earth.planet)
+        # # camera.rotation_x = 0
+        # # camera.rotation_y = 0
+        # camera.rotation_z = 0
 
 
     UniverseSimScenes.set_window_size((1920, 1079), False)
@@ -63,8 +70,8 @@ if __name__ == '__main__':
     # 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_HOUR / 2,
-               SECONDS_PER_HOUR,
+               SECONDS_PER_HOUR / 5,
+               # SECONDS_PER_HOUR,
                position=(1.45 * earth.radius, 0, -30000),
                cosmic_bg="",  # 无背景（黑色）
                show_grid=False,  # 不显示网格

sim_scenes/func.py

@@ -367,7 +367,7 @@ def create_light_ship(size_scale, init_position, speed=LIGHT_SPEED):
                      init_velocity=[0, 0, speed]).set_light_disable(True)
 
 
-def create_3d_card(left=-.885, top=0.495, width=0.02, height=0.02):
+def create_3d_card(left=-.885, top=0.495, width=0.01, height=0.01):
     # 创建一个 Panel 组件
     from ursina import Text, Panel, color, camera, Vec3
     from simulators.ursina.ursina_config import UrsinaConfig
@@ -707,13 +707,19 @@ def speed_smooth_adjust_test():
     plt.show()
 
 
-def create_sphere_sky(texture="bg_pan.jpg", scale=8000):
+def create_sphere_sky(texture="bg_pan.jpg", scale=8000, rotation_x=None, rotation_y=None, rotation_z=None):
     from common.image_utils import find_texture
     from simulators.ursina.entities.sphere_sky import SphereSky
     sky_texture = find_texture(texture, None)
     if sky_texture is not None:
         sky = SphereSky(texture=sky_texture)
         sky.scale = scale
+        if rotation_x is not None:
+            sky.rotation_x = rotation_x
+        if rotation_y is not None:
+            sky.rotation_y = rotation_y
+        if rotation_z is not None:
+            sky.rotation_z = rotation_z
         return sky
     else:
         print(f'`textures`目录下没有找到图片`{texture}`，请访问如下链接下载，下载后，将图片放在`textures`目录下')

simulators/ursina/entities/body_timer.py

@@ -17,7 +17,7 @@ from simulators.ursina.ursina_event import UrsinaEvent
 
 
 class TimeData:
-    def __init__(self, seconds, min_unit):
+    def __init__(self, seconds, min_unit, dt):
         from ursina import time
         if not hasattr(TimeData, "app_start_time"):
             setattr(TimeData, "app_start_time", time.time())
@@ -32,6 +32,7 @@ class TimeData:
         days, hours = divmod(hours, 24)
         years = days // 365
         days = days % 365
+        self.dt = dt
 
         self.years = int(years)
         self.days = int(days)
@@ -196,7 +197,7 @@ class BodyTimer(Singleton):
         #     time_text = f'{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d}'
 
         # print(self.text)
-        UrsinaEvent.on_timer_changed(TimeData(seconds, self.min_unit))
+        UrsinaEvent.on_timer_changed(TimeData(seconds, self.min_unit, dt))
 
     def ignore_gravity(self, body):
         return True

simulators/ursina/entities/camera3d.py

@@ -37,15 +37,21 @@ class Camera3d(Entity):
 
     def switch_position(self):
         if self.camera_pos == "right":  # 摄像机右眼
-            self.x -= 2 * self.eye_distance
+            # self.x -= 2 * self.eye_distance
+            self.position += self.left * 2 * self.eye_distance
             self.camera_pos = "left"
         elif self.camera_pos == "left":  # 摄像机左眼
-            self.x += 2 * self.eye_distance
+            # self.x += 2 * self.eye_distance
+            self.position += self.right * 2 * self.eye_distance
             self.camera_pos = "right"
 
     def update(self):
         pass
 
+    @staticmethod
+    def look_to(target, axis='forward'):
+        Camera3d.o.camera3d.look_at(target, axis)
+
     @staticmethod
     def init(eye_distance=None, init_pos=None):
         Camera3d.is_ready = True