Python超人-宇宙模拟器

bodies/body.py

@@ -85,6 +85,12 @@ class Body(metaclass=ABCMeta):
 
         self.show_name = show_name
 
+        self.resolution = None
+
+    def set_resolution(self, value):
+        self.resolution = value
+        return self
+
     @property
     def init_position(self):
         """
@@ -307,7 +313,7 @@ class Body(metaclass=ABCMeta):
 
     def __repr__(self):
         return '<%s(%s)> m=%.3e(kg), r|d=%.3e|%.3e(km), v=%.3e(km³), d=%.3e(kg/m³), p=[%.3e,%.3e,%.3e](km), v=%s(km/s)' % \
-               (self.name,self.__class__.__name__, self.mass, self.raduis, self.diameter, self.volume, self.density,
+               (self.name, self.__class__.__name__, self.mass, self.raduis, self.diameter, self.volume, self.density,
                 self.position[0], self.position[1], self.position[2], self.velocity)
 
     def ignore_gravity(self, body):

sim_scenes/solar_system/earth_at_night.py

@@ -13,11 +13,18 @@ from sim_scenes.func import ursina_run
 if __name__ == '__main__':
     """
     地球晚上模拟运行
+    图片来源：
+    https://www.nasa.gov/mission_pages/NPP/news/earth-at-night.html
+    https://www.nasa.gov/sites/default/files/images/712130main_8246931247_e60f3c09fb_o.jpg
     """
+    resolution = 500
     bodies = [
-        Earth(texture="earth_at_night.jpg",
+        Earth(texture="earth_at_night_hd.jpg",
               init_position=[0, 0, 0], init_velocity=[0, 0, 0],
-              size_scale=100.0001, ignore_mass=True)
+              size_scale=100, ignore_mass=True).set_resolution(resolution),
+        Earth(texture="earth_hd.jpg",
+              init_position=[0, 10, 0], init_velocity=[0, 0, 0],
+              size_scale=100, ignore_mass=True).set_resolution(resolution)
     ]
     # 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

simulators/views/ursina_view.py

@@ -110,7 +110,11 @@ class Planet(Entity):
             rotation = (90, 0, 0)
         else:
             # 创建一个天体
-            model = create_sphere(0.5, 32)
+            subdivisions = 32
+            if self.body_view.body.resolution is not None:
+                subdivisions = self.body_view.body.resolution
+
+            model = create_sphere(0.5, subdivisions)
             rotation = (0, 0, 0)
 
         UrsinaEvent.on_reset_subscription(self.on_reset)
@@ -147,7 +151,7 @@ class Planet(Entity):
         self.name_text = Text(self.body_view.body.name, scale=1, billboard=True, parent=self,
                               font=UrsinaConfig.CN_FONT, background=True,
                               origin=(0, 0))
-        self.name_text.background.color = color.rgba(b_color[0], b_color[1], b_color[2], 0.5)
+        self.name_text.background.color = color.rgba(b_color[0], b_color[1], b_color[2], 0.3)
         # self.name_text.scale = self.scale
         inverse_color = get_inverse_color(b_color)
         self.name_text.color = color.rgba(inverse_color[0], inverse_color[1], inverse_color[2], 1)
@@ -378,7 +382,6 @@ class Planet(Entity):
         # self.ring = Entity(parent=self.planet, model='circle', texture=rings_texture, scale=3.5,
         #                    rotation=(self.ring_rotation_x, 0, 0), double_sided=True)
 
-
         # 行星环偏移角度
         self.ring_rotation_x = 80
         # 创建行星环