Python超人-宇宙模拟器

bodies/sun.py

@@ -45,7 +45,7 @@ class Sun(FixedStar):
         }
         super().__init__(**params)
         self.glows = (12, 1.015, 0.08)
-        self.glows = (4, 1.005, 0.1)
+        # self.glows = (4, 1.005, 0.1)
 
     @property
     def is_fixed_star(self):

sim_scenes/fiction/earth_orbit_stopped.py

@@ -10,7 +10,7 @@ from bodies import Sun, Earth, Mercury, Venus
 from common.consts import SECONDS_PER_HOUR, SECONDS_PER_HALF_DAY, SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_MONTH
 from common.func import calculate_distance, get_acceleration_info
 from sim_scenes.func import mayavi_run, ursina_run, camera_look_at, two_bodies_colliding, set_camera_parent, \
-    create_text_panel
+    create_text_panel, create_sphere_sky
 from bodies.body import AU
 from sim_scenes.universe_sim_scenes import UniverseSimScenes
 from simulators.ursina.entities.body_timer import BodyTimer, TimeData
@@ -33,7 +33,9 @@ class EarthOrbitStoppedSim(UniverseSimScenes):
 
     def __init__(self):
         self.sun = Sun(init_position=[0, 0, 0], size_scale=1)
-        self.earth = Earth(init_position=[0, 0, -AU],  # texture="earth2.jpg",
+        # self.glows = (4, 1.005, 0.1)
+        # self.sun = Sun(init_position=[0, 0, 0], color=(255, 255, 200), size_scale=1, texture="fixed_star.png")
+        self.earth = Earth(init_position=[0, 0, -AU], texture="earth_hd.jpg",
                            init_velocity=[0, self.EARTH_INIT_VELOCITY, 0],
                            size_scale=1).set_light_disable(True)
         # 水星轨道半径
@@ -65,17 +67,17 @@ class EarthOrbitStoppedSim(UniverseSimScenes):
         # 显示板信息模板
         self.arrived_info = "　距离太阳：${distance}\n\n　地球速度：${velocity}\n\n地球加速度：${acceleration}\n\n"
 
-    def create_orbit_line(self, radius, color):
-        """
-        创建行星轨道线
-        @param radius: 以太阳中心为中心点的半径
-        @param color: 颜色
-        @return:
-        """
-        orbit_line = create_circle_line(parent=self.sun, radius=radius, thickness=5, color=color, alpha=0.3)
-        orbit_line.rotation_x = 90
-        orbit_line.enabled = False  # 默认不显示
-        return orbit_line
+    # def create_orbit_line(self, radius, color):
+    #     """
+    #     创建行星轨道线
+    #     @param radius: 以太阳中心为中心点的半径
+    #     @param color: 颜色
+    #     @return:
+    #     """
+    #     orbit_line = create_circle_line(parent=self.sun, radius=radius, thickness=3, color=color, alpha=0.1)
+    #     orbit_line.rotation_x = 90
+    #     orbit_line.enabled = False  # 默认不显示
+    #     return orbit_line
 
     def on_ready(self):
         # 运行前触发一次
@@ -83,16 +85,25 @@ class EarthOrbitStoppedSim(UniverseSimScenes):
         application.time_scale = 0.00001
         # FOV是摄像机的视场角，即Field of view（FOV），它的大小决定了摄像机的视野范围。
         camera.fov = 50
-        self.text_panel = create_text_panel()
+        self.text_panel = create_text_panel(font="fonts/DroidSansFallback.ttf", font_scale=1.3)
+
         self.text_panel.text = self.arrived_info. \
             replace("${distance}", "1 AU"). \
             replace("${velocity}", "0"). \
             replace("${acceleration}", "0")
 
+        sky = create_sphere_sky(scale=10000)
+        sky.rotation_y = 180
+        # sky.rotation_x = 20
+        # sky.rotation_z = -65
+
         # 创建水星轨道线
-        self.mercury_orbit_line = create_orbit_line(self.sun, self.mercury)
+        self.mercury_orbit_line = create_orbit_line(self.sun, self.mercury, thickness=3, alpha=0.3)
         # 创建金星轨道线
-        self.venus_orbit_line = create_orbit_line(self.sun, self.venus)
+        self.venus_orbit_line = create_orbit_line(self.sun, self.venus, thickness=3, alpha=0.3)
+
+    def show_message(self, msg):
+        ControlUI.current_ui.show_message(msg, font="fonts/DroidSansFallback.ttf", close_time=-1)
 
     def on_timer_changed(self, time_data: TimeData):
         # 摄像机时时刻刻看向地球
@@ -122,14 +133,14 @@ class EarthOrbitStoppedSim(UniverseSimScenes):
 
         if two_bodies_colliding(self.sun, self.earth):
             self.arrived_sun = True
-            msg = "地球在[%s]到达太阳" % time_data.time_text
+            msg = "%s 到达太阳" % time_data.time_text
             print(msg)
             self.text_panel.text = self.arrived_info. \
                                        replace("${distance}", "0 km"). \
                                        replace("${acceleration}", "%s" % acceleration_info). \
                                        replace("${velocity}", "%s km/s" % round(velocity, 2)) \
                                    + "\n\n" + msg
-            ControlUI.current_ui.show_message(msg, close_time=-1)
+            self.show_message(msg)
             application.pause()
             return
 
@@ -185,22 +196,22 @@ class EarthOrbitStoppedSim(UniverseSimScenes):
         if abs(self.earth.position[2]) < self.venus_radius and not self.arrived_venus_orbit_line:
             # 地球的位置小于金星轨道半径，则显示消息
             self.arrived_venus_orbit_line = True  # arrived_venus_orbit_line 保证只会运行一次
-            msg = "地球在[%s]穿过金星轨道" % time_data.time_text
+            msg = "%s 穿过金星轨道" % time_data.time_text
             print(msg)
             self.arrived_info = self.arrived_info + "\n\n" + msg
             print("金星：", self.venus.position, self.venus.velocity)
             # 显示 “地球在[某个时间]穿过金星轨道” 的消息
-            ControlUI.current_ui.show_message(msg, close_time=5)
+            self.show_message(msg)
 
         if abs(self.earth.position[2]) < self.mercury_radius and not self.arrived_mercury_orbit_line:
             # 地球的位置小于水星轨道半径，则显示消息
             self.arrived_mercury_orbit_line = True  # arrived_mercury_orbit_line 保证只会运行一次
-            msg = "地球在[%s]穿过水星轨道" % time_data.time_text
+            msg = "%s 穿过水星轨道" % time_data.time_text
             print(msg)
             self.arrived_info = self.arrived_info + "\n\n" + msg
             print("水星：", self.mercury.position, self.mercury.velocity)
             # 显示 “地球在[某个时间]穿过水星轨道” 的消息
-            ControlUI.current_ui.show_message(msg, close_time=5)
+            self.show_message(msg)
 
         self.text_panel.text = self.arrived_info. \
             replace("${distance}", "%s km" % distance_str). \
@@ -243,5 +254,8 @@ if __name__ == '__main__':
     # position = 左-右+、上+下-、前+后-
     # position=(0, 0, 0) 的位置是站在地球视角，可以观看月相变化的过程
     ursina_run(sim.bodies, SECONDS_PER_DAY, position=(0, 0.0001 * AU, -0.8 * AU),
+               show_camera_info=False,
+               show_control_info=False,
                show_timer=True,
-               show_grid=True)
+               cosmic_bg='',
+               show_grid=False)

simulators/ursina/entities/body_timer.py

@@ -47,15 +47,15 @@ class TimeData:
         elif self.min_unit in [BodyTimer.MIN_UNIT_DAYS]:
             self.time_text = f'{self.years}年{s_days}天'
         elif self.min_unit in [BodyTimer.MIN_UNIT_MINUTES]:
-            self.time_text = f'{self.days}天 {self.hours:02d}:{self.minutes:02d}'
+            self.time_text = f'{self.days}天{self.hours:02d}:{self.minutes:02d}'
         elif self.min_unit in [BodyTimer.MIN_UNIT_HOURS]:
-            self.time_text = f'{self.days}天 {self.hours:02d}时'
+            self.time_text = f'{self.days}天{self.hours:02d}时'
         else:
             if days > 1 or years >= 1:
                 if days >= 20 or years >= 1:
                     self.time_text = f'{self.years}年{s_days}天'
                 else:
-                    self.time_text = f'{self.days}天 {self.hours:02d}:{self.minutes:02d}:{self.seconds:02d}'
+                    self.time_text = f'{self.days}天{self.hours:02d}:{self.minutes:02d}:{self.seconds:02d}'
             else:
                 self.time_text = f'{self.hours:02d}:{self.minutes:02d}:{self.seconds:02d}'
 
@@ -191,7 +191,7 @@ class BodyTimer(Singleton):
         #     if days >= 20 or years >= 1:
         #         time_text = f'{int(years)}年{s_days}天'
         #     else:
-        #         time_text = f'{int(days)}天 {int(hours):02d}:{int(minutes):02d}:{int(seconds):02d}'
+        #         time_text = f'{int(days)}天{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d}'
         # else:
         #     time_text = f'{int(hours):02d}:{int(minutes):02d}:{int(seconds):02d}'
 

simulators/ursina/entities/timer.py

@@ -22,9 +22,19 @@ class Timer(Text):
         aspect_ratio = window.aspect_ratio
         position, origin = (0.5 * aspect_ratio - 0.18, -0.465), (-0.5, 0.5),
 
-        super().__init__(text='                                 ', position=position, #(0.70, -0.465),
-                         origin=origin,
-                         font=UrsinaConfig.CN_FONT, background=True)
+        font = "fonts/DroidSansFallback.ttf"
+        from common.func import find_file
+        font = find_file(f"{font}", None)
+        if font is None:
+            font =  UrsinaConfig.CN_FONT
+            font_scale = 1
+        else:
+            font_scale = 1.3
+            position, origin = (0.5 * aspect_ratio - 0.15, -0.465), (-0.2, 0.2),
+
+        super().__init__(text='                                 ', position=position,  # (0.70, -0.465),
+                         origin=origin, scale=font_scale,
+                         font=font, background=True)
         UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed)
         if not show:
             self.enabled = False