Python超人-宇宙模拟器

sim_lab/the_lost_planet.py

@@ -150,12 +150,12 @@ if __name__ == '__main__':
         radius = moon.planet.position[2] + 40 * random.random() - 20  # * moon.distance_scale
         asteroid = Entity(model='sphere', position=pos, color=color.white, scale=1.5)
         asteroid.s_angle = 89.5
-
+        y = 10 * random.random() - 5
         def rotation():
             x = sun.planet.x + radius * math.cos(asteroid.s_angle)
             z = sun.planet.z + radius * math.sin(asteroid.s_angle)
-            asteroid.position = (x, 10 * random.random() - 5, z)
-            speed = random.random() / 15
+            asteroid.position = (x, y, z)
+            speed = random.random() / 100
             asteroid.s_angle += speed
 
         asteroid.update = rotation
@@ -172,6 +172,7 @@ if __name__ == '__main__':
         import math
         # print(time_data.years)
         if time_data.years > 1 and not hasattr(asteroids, "years_1"):
+
             set_alpha_animation(asteroids, 0.0, 1.0, 0.01)
             setattr(asteroids, "years_1", True)
         elif time_data.years > 4 and not hasattr(asteroids, "years_5"):
@@ -183,11 +184,15 @@ if __name__ == '__main__':
             set_alpha_animation(moon, 0.0, 1.0, 0.005)
             setattr(moon, "years_6", True)
         elif time_data.years > 8 and not hasattr(asteroids, "years_8"):
+            if not hasattr(asteroids, "c_time"):
+                asteroids.c_time = time.time()
+            c_time = time.time()
             # set_alpha_animation(asteroids, 0.0, 1.0, 0.01)
-            for i in range(3):
+            if c_time - asteroids.c_time > 0.1:
+                asteroids.c_time = c_time
                 create_asteroid()
 
-        if time_data.years > 11 and not hasattr(moon, "mars_rotation"):
+        if time_data.years > 30 and not hasattr(moon, "mars_rotation"):
             setattr(asteroids, "years_8", True)
             moon.planet.look_at(mars.planet)
             radius = 12