Python超人-宇宙模拟器

引力世界/模拟场景.py

@@ -88,7 +88,7 @@ class 模拟场景(UniverseSimScenes):
         # 运行前触发
         self.sky = create_sphere_sky(texture="bg_pan2.jpg", scale=500000, rotation_x=20, rotation_y=160, rotation_z=20)
 
-        # UrsinaConfig.trail_type = "line"
+        UrsinaConfig.trail_type = "line"
         # UrsinaConfig.trail_length = 91
         # UrsinaConfig.trail_type = "line"
         UrsinaConfig.trail_length = 420
@@ -139,8 +139,14 @@ class 太阳系模拟场景(模拟场景):
                                           start_time=start_time,
                                           days=orbital_days,
                                           segments=100)
+
+        if self.配置项.中心天体 is None:
+            center_pos = center_body.position
+        else:
+            center_pos = np.array([0.0, 0.0, 0.0])
+
         # print(points)
-        orbit_line = create_orbit_by_points(center_body.position, points, line_color=body.trail_color,
+        orbit_line = create_orbit_by_points(center_pos, points, line_color=body.trail_color,
                                             alpha=alpha)
         return orbit_line
 

引力世界/模拟实验室/太阳系/太阳系.py

@@ -13,7 +13,7 @@ class 太阳系模拟(太阳系模拟场景):
     def 配置(self, 配置项: 模拟配置):
         配置项.显示轨道 = 打开
         配置项.地月距离倍数 = 20
-        配置项.中心天体 = self.太阳
+        # 配置项.中心天体 = self.太阳
 
     def 造物(self):
         self.太阳 = 造物主.造物(名称='太阳', 缩放倍数=1e1)