Python超人-宇宙模拟器

sim_scenes/fiction/earth_orbit_stopped.py

@@ -146,7 +146,7 @@ class EarthOrbitStoppedSim:
         if mercury_range[0] - 2 < time_data.total_days < mercury_range[1]:
             self.mercury_orbit_line.enabled = True
             # 由于天体运行不是标准的圆形，则需要动态调整轨道的大小，保证轨道线始终在天体的中心位置
-            self.mercury_orbit_line.auto_adj_scale()
+            self.mercury_orbit_line.auto_adjust()
         else:
             self.mercury_orbit_line.enabled = False
 
@@ -154,7 +154,7 @@ class EarthOrbitStoppedSim:
         if venus_range[0] - 2 < time_data.total_days < venus_range[1]:
             self.venus_orbit_line.enabled = True
             # 由于天体运行不是标准的圆形，则需要动态调整轨道的大小，保证轨道线始终在天体的中心位置
-            self.venus_orbit_line.auto_adj_scale()
+            self.venus_orbit_line.auto_adjust()
         else:
             self.venus_orbit_line.enabled = False
 

sim_scenes/solar_system/halley_comet_sim.py

@@ -33,15 +33,15 @@ class HalleyCometSim:
     def build_solar_system(self):
         # region 构建太阳系
         self.sun = Sun(size_scale=0.8e2, show_trail=False)
-        self.earth = Earth(size_scale=8e3, rotate_angle=0, show_trail=False)
-        self.mercury = Mercury(size_scale=4e3, show_trail=False)
-        self.venus = Venus(size_scale=4e3, show_trail=False)
-        self.mars = Mars(size_scale=4e3, show_trail=False)
-        self.jupiter = Jupiter(size_scale=1.68e3, show_trail=False)
-        self.saturn = Saturn(size_scale=1.68e3, show_trail=False)
-        self.uranus = Uranus(size_scale=3.5e3, show_trail=False)
-        self.neptune = Neptune(size_scale=3.5e3, show_trail=False)
-        self.pluto = Pluto(size_scale=1.5e5, show_trail=False)
+        self.mercury = Mercury(size_scale=5e3, show_trail=False)
+        self.venus = Venus(size_scale=5e3, show_trail=False)
+        self.earth = Earth(size_scale=5e3, rotate_angle=0, show_trail=False)
+        self.mars = Mars(size_scale=5e3, show_trail=False)
+        self.jupiter = Jupiter(size_scale=2.5e3, show_trail=False)
+        self.saturn = Saturn(size_scale=2.5e3, show_trail=False)
+        self.uranus = Uranus(size_scale=6e3, show_trail=False)
+        self.neptune = Neptune(size_scale=6e3, show_trail=False)
+        self.pluto = Pluto(size_scale=1e5, show_trail=False)
         self.bodies = [
             self.sun,  # 太阳
             self.mercury,  # 水星
@@ -71,7 +71,7 @@ class HalleyCometSim:
         # [3.33, 0, 10.655] 68
         # [3.33, 0, 10.66]  69
         self.halley_comet = HalleComet(  # size_scale=4e7,
-            size_scale=0.5e8,
+            size_scale=1e8,
             init_velocity=[3.34, 0, 10.7],  # [3.33, 0, 10.6] < ? <[3.34, 0, 10.7]
             init_position=[0, 0.5 * AU, -10 * AU]) \
             .set_light_disable(True)
@@ -90,6 +90,8 @@ class HalleyCometSim:
         # 创建天空
         from ursina import scene
         UrsinaConfig.trail_type = "line"
+        UrsinaConfig.trail_length = 91
+        UrsinaConfig.trail_thickness_factor = 3
         # camera.clip_plane_near = 0.1
         camera.clip_plane_far = 1000000
         create_sphere_sky(scale=200000)
@@ -111,21 +113,22 @@ class HalleyCometSim:
         @param time_data:
         @return:
         """
-        # 原始方形二向箔飞行的翻转效果
+        # 哈雷彗星飞行的翻转效果
         if self.halley_comet.planet.enabled:
             self.halley_comet.planet.rotation_x += 0.1
             self.halley_comet.planet.rotation_y += 1
-        # 摄像机始终看向二向箔
+        # 摄像机始终看向哈雷彗星
         # camera_look_at(self.halley_comet)
         d = calculate_distance(self.halley_comet.position, self.sun.position)
         self.text_panel.text = "哈雷彗星距离太阳：%.3f AU" % (d / AU)
 
         for i, orbit_line in enumerate(self.orbit_lines):
             if i < 4:
-                # 近日的天体绕行非常快，不调整轨道大小
-                continue
+                adj_scale = False
+            else:
+                adj_scale = True
             # 由于天体运行不是标准的圆形，则需要动态调整轨道的大小，保证轨道线始终在天体的中心位置
-            orbit_line.auto_adj_scale()
+            orbit_line.auto_adjust(adj_scale=adj_scale)
 
 
 if __name__ == '__main__':

simulators/ursina/ursina_mesh.py

@@ -197,19 +197,24 @@ def get_obj_planet_position(obj):
     return pos1
 
 
-def adj_orbit_line_scale(center_obj, orbiting_obj, orbit_line):
+def adj_orbit_line_scale(center_obj, orbiting_obj, orbit_line, adj_center_pos=True, adj_scale=True):
     """
     由于天体运行不是标准的圆形，则需要动态调整轨道的大小，保证轨道线始终在天体的中心位置
     @param center_obj: 中心天体，一般为恒星天体
     @param orbiting_obj: 绕行天体，一般为行星天体
     @param orbit_line: 绕行天体轨道，一般为行星轨道
+    @param adj_center_pos: 是否调整轨道线的中心位置
+    @param adj_scale: 是否调整轨道线的缩放
     @return:
     """
     #
+    if adj_scale:
+        # 根据距离调整缩放
         distance = calculate_distance(center_obj.position - orbiting_obj.position)
         scale_rate = distance * UrsinaConfig.SCALE_FACTOR / orbit_line.radius
-    # 根据距离调整缩放
         orbit_line.scale = scale_rate
+
+    if adj_center_pos:
         # 保证轨道中心的位置始终是中心天体的位置
         orbit_line.position = center_obj.planet.position
 
@@ -248,10 +253,10 @@ def create_orbit_line(center_obj, orbiting_obj, thickness=5, line_color=None, al
     if rotation_z is not None:
         orbit_line.rotation_z = rotation_z
 
-    def adj_scale():
-        adj_orbit_line_scale(center_obj, orbiting_obj, orbit_line)
+    def auto_adjust(adj_center_pos=True, adj_scale=True):
+        adj_orbit_line_scale(center_obj, orbiting_obj, orbit_line, adj_center_pos, adj_scale)
 
-    orbit_line.auto_adj_scale = adj_scale
+    orbit_line.auto_adjust = auto_adjust
     # orbit_line.enabled = False  # 默认不显示
     return orbit_line