Python超人-宇宙模拟器

sim_scenes/featured/look_at_sky_on_earth.py

@@ -6,6 +6,8 @@
 # link            :https://gitcode.net/pythoncr/
 # python_version  :3.9
 # ==============================================================================
+import math
+
 from ursina import camera
 
 from bodies import Sun, Earth
@@ -40,6 +42,7 @@ class LookAtSkyOnEarth(UniverseSimScenes):
         self.show_china = show_china
         self.show_name = show_name
         self.exit_at_total_days = exit_at_total_days
+        self.angle = 55
 
         earth_transparent = look_point is not None
 
@@ -63,6 +66,7 @@ class LookAtSkyOnEarth(UniverseSimScenes):
                                                                     earth_cn_size_factor=earth_cn_size_factor,
                                                                     earth_clouds_size_factor=earth_clouds_size_factor)
         self.earth.set_resolution(200)
+        self.earth.set_light_disable(True)
 
         # # 地球立春的位置和速度
         # self.earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08]
@@ -96,26 +100,38 @@ class LookAtSkyOnEarth(UniverseSimScenes):
         from simulators.ursina.ursina_mesh import create_sphere
         from ursina import Entity, color
         r = 0.5
-        y = 0.4
-        x = -0.26
-        watcher_e = Entity(parent=self.earth.planet,
-                           model=create_sphere(r, 32),
-                           scale=0.05,
-                           y=0.0, x=x-0.17, z=pow(pow(r, 2) - pow(x-0.17, 2), 0.5), color=color.green)
+        scale = 0.05
+        # subdivisions = 16
+        x_y_angle = math.pi * self.angle / 180
+        xr = r * math.cos(x_y_angle)
+        y = r * math.sin(x_y_angle)
+        # z = pow(pow(r, 2) - pow(x, 2) - pow(y, 2), 0.5)
+        x_z_angle = math.pi * 45 / 180
+        x = r * math.cos(x_z_angle)
+        z = r * math.sin(x_z_angle)
 
+        watcher_e = Entity(parent=self.earth.planet,
+                           model="sphere",  # create_sphere(r, subdivisions),
+                           scale=scale,
+                           y=0.0, x=-x, z=z, color=color.red)
+        # y=0.0, x=x-0.17, z=pow(pow(r, 2) - pow(x-0.17, 2), 0.5), color=color.green)
+        x = xr * math.cos(x_z_angle)
+        z = xr * math.sin(x_z_angle)
         watcher_n = Entity(parent=self.earth.planet,
-                           model=create_sphere(r, 32),
-                           scale=0.05,
-                           y=y, x=x, z=pow(pow(r, 2) - pow(x, 2) - pow(y, 2), 0.5), color=color.red)
+                           model="sphere",  # create_sphere(r, subdivisions),
+                           scale=scale,
+                           y=y, x=-x, z=z, color=color.green)
+        # y=y, x=x, z=pow(pow(r, 2) - pow(x, 2) - pow(y, 2), 0.5), color=color.red)
 
         watcher_s = Entity(parent=self.earth.planet,
-                           model=create_sphere(r, 32),
-                           scale=0.05,
-                           y=-y, x=x, z=pow(pow(r, 2) - pow(x, 2) - pow(y, 2), 0.5), color=color.blue)
+                           model="sphere",  # create_sphere(r, subdivisions),
+                           scale=scale,
+                           y=-y, x=-x, z=z, color=color.blue)
+        # y=-y, x=x, z=pow(pow(r, 2) - pow(x, 2) - pow(y, 2), 0.5), color=color.blue)
 
     def on_ready(self):
         self.earth.planet.rotation_y -= 180  # 一开始就正对太阳
-        # self.earth.planet.alpha = 0.2
+        self.earth.planet.alpha = 0.8
         # self.earth_cn.planet.rotation_y -= 185  # 一开始就正对太阳
         if hasattr(self.earth_clouds, "planet"):
             self.earth_clouds.planet.rotation_y -= 50  # 一开始就正对太阳
@@ -175,7 +191,7 @@ class LookAtSkyOnEarth(UniverseSimScenes):
 
         # if self.look_point == 1:
         if self.look_point is not None:
-            camera.rotation_x = 50 * self.look_point
+            camera.rotation_x = self.angle * self.look_point
         # camera.rotation_x = 50  # 1 南半球
         # if self.look_at_earth:
         if self.look_point is None:
@@ -209,7 +225,7 @@ class LookAtSkyOnEarth(UniverseSimScenes):
             self.create_sky_watchers()
 
     def on_timer_changed(self, time_data: TimeData):
-        if abs(self.earth.planet.init_rotation_y - self.earth.planet.rotation_y) > 365:
+        if abs(self.earth.planet.init_rotation_y - self.earth.planet.rotation_y) > 380:
             exit(0)
         # if self.show_china and self.wait_days_count > 0:
         #     self.wait_days_count = self.wait_days - time_data.total_days
@@ -261,4 +277,4 @@ if __name__ == '__main__':
     """
     # -1:北半球  Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator
     sim = LookAtSkyOnEarth()
-    sim.run()
+    sim.run(speed_factor=0.9)

sim_scenes/featured/look_at_sky_on_earth_e.py

@@ -15,4 +15,4 @@ if __name__ == '__main__':
     """
     # -1:北半球  Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator
     sim = LookAtSkyOnEarth(look_point=0)
-    sim.run()
+    sim.run(speed_factor=0.85)

sim_scenes/featured/look_at_sky_on_earth_n.py

@@ -15,4 +15,4 @@ if __name__ == '__main__':
     """
     # -1:北半球  Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator
     sim = LookAtSkyOnEarth(look_point=-1)
-    sim.run()
+    sim.run(speed_factor=0.85)

sim_scenes/featured/look_at_sky_on_earth_s.py

@@ -15,4 +15,4 @@ if __name__ == '__main__':
     """
     # -1:北半球  Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator
     sim = LookAtSkyOnEarth(look_point=1)
-    sim.run()
+    sim.run(speed_factor=0.85)