From 4052b98a745f398b7578df6402a05cdc3498af1f Mon Sep 17 00:00:00 2001
From: march3 <gang.wei@qq.com>
Date: Sat, 8 Apr 2023 12:49:54 +0800
Subject: [PATCH] =?UTF-8?q?Python=E8=B6=85=E4=BA=BA-=E5=AE=87=E5=AE=99?=
 =?UTF-8?q?=E6=A8=A1=E6=8B=9F=E5=99=A8?=
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---
 common/consts.py                      |  4 ++++
 sim_scenes/earth/free_fall_of_ball.py | 15 +++++++++------
 sim_scenes/fiction/fixed_stars_2.py   |  2 +-
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/common/consts.py b/common/consts.py
index 129353e..0d90941 100644
--- a/common/consts.py
+++ b/common/consts.py
@@ -29,6 +29,10 @@ AU: float = 149597870.700
 """
 G: float = 6.67e-11
 
+"""
+一分钟多少秒
+"""
+SECONDS_PER_MINUTE = 60
 """
 一小时多少秒
 """
diff --git a/sim_scenes/earth/free_fall_of_ball.py b/sim_scenes/earth/free_fall_of_ball.py
index 385a90f..7017ea5 100644
--- a/sim_scenes/earth/free_fall_of_ball.py
+++ b/sim_scenes/earth/free_fall_of_ball.py
@@ -1,30 +1,33 @@
 # -*- coding:utf-8 -*-
-# title           :地月场景模拟
-# description     :地月场景模拟
+# title           :自由落地模拟
+# description     :自由落地模拟
 # author          :Python超人
 # date            :2023-02-11
 # link            :https://gitcode.net/pythoncr/
 # python_version  :3.8
 # ==============================================================================
 from bodies import Moon, Earth, Body
-from common.consts import SECONDS_PER_HOUR, SECONDS_PER_HALF_DAY, SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_MONTH
+from common.consts import SECONDS_PER_HOUR, SECONDS_PER_MINUTE
 from sim_scenes.func import mayavi_run, ursina_run
 
 if __name__ == '__main__':
     """
-    地球、6个月球
+    自由落地模拟
     """
     # 地球在中心位置
     e = Earth(init_position=[0, 0, 0], size_scale=1, texture="earth_hd.jpg", init_velocity=[0, 0, 0])
     bodies = [
         e,
-        Moon(name='小球', mass=4.4e18, init_position=[0, e.raduis + 500, 0], init_velocity=[0, 0, 0]),  # 球在地球上面500km
+        Moon(name='小月球', mass=4.4e18,
+             init_position=[0, e.raduis + 500, 0],  # 球在地面上 500km
+             init_velocity=[0, 0, 0]),
     ]
 
     # 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
     # position = 左-右+、上+下-、前+后-
-    ursina_run(bodies, 60, position=(0, e.raduis + 500, -4500),
+    ursina_run(bodies, SECONDS_PER_MINUTE,  # 一秒相当于一分钟
+               position=(0, e.raduis + 500, -4500),
                show_trail=True,
                show_timer=True,
                view_closely=0.001)
diff --git a/sim_scenes/fiction/fixed_stars_2.py b/sim_scenes/fiction/fixed_stars_2.py
index 183e011..51e221c 100644
--- a/sim_scenes/fiction/fixed_stars_2.py
+++ b/sim_scenes/fiction/fixed_stars_2.py
@@ -58,5 +58,5 @@ if __name__ == '__main__':
     #             M：摄像机移动加速  N:摄像机移动减速
     # position = (左-右+、上+下-、前+后-)
     ursina_run(bodies, SECONDS_PER_WEEK,
-               position=(0, 100000, -AU / 500),
+               position=(0, 30000, -AU / 500),
                show_name=True, bg_music="sounds/universe_03.mp3")
-- 
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