From 27e3bd5676195eecd986d70f20054578479482b3 Mon Sep 17 00:00:00 2001 From: march3 Date: Sat, 8 Apr 2023 19:39:22 +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?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- bodies/earth.py | 3 ++- bodies/moon.py | 4 ++-- sim_scenes/solar_system/sun_earth_moon.py | 28 +++++++++++++++-------- 3 files changed, 22 insertions(+), 13 deletions(-) diff --git a/bodies/earth.py b/bodies/earth.py index a261555..af533c9 100644 --- a/bodies/earth.py +++ b/bodies/earth.py @@ -22,7 +22,8 @@ class Earth(Body): 　天体质量: 5.97237✕10²⁴ kg 　平均密度: 5507.85 kg/m³ """ - def __init__(self, name="地球", mass=5.97237e24,rotate_angle=0, + + def __init__(self, name="地球", mass=5.97237e24, rotate_angle=23.44, init_position=[0, 0, 1 * AU], init_velocity=[-29.79, 0, 0], texture="earth1.jpg", size_scale=1.0, distance_scale=1.0, diff --git a/bodies/moon.py b/bodies/moon.py index 1a8e2f4..b43c56a 100644 --- a/bodies/moon.py +++ b/bodies/moon.py @@ -24,9 +24,9 @@ class Moon(Body): def __init__(self, name="月球", mass=7.342e22, init_position=[0, 0, 363104 + 1.12 * AU], - init_velocity=[-(29.79 + 1.023), 0, 0], + init_velocity=[-(29.79 + 1.03), 0, 0], texture="moon.jpg", size_scale=1.0, distance_scale=1.0, - rotation_speed=0.5487, ignore_mass=False, trail_color=None, show_name=False): + rotation_speed=0.25, ignore_mass=False, trail_color=None, show_name=False): params = { "name": name, "mass": mass, diff --git a/sim_scenes/solar_system/sun_earth_moon.py b/sim_scenes/solar_system/sun_earth_moon.py index b26c69d..c855ee2 100644 --- a/sim_scenes/solar_system/sun_earth_moon.py +++ b/sim_scenes/solar_system/sun_earth_moon.py @@ -10,6 +10,7 @@ from bodies import Sun, Earth, Moon from common.consts import SECONDS_PER_HOUR, SECONDS_PER_HALF_DAY, SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_MONTH from sim_scenes.func import mayavi_run, ursina_run from bodies.body import AU +from simulators.ursina.ursina_event import UrsinaEvent if __name__ == '__main__': """ @@ -24,26 +25,33 @@ if __name__ == '__main__': # 观看月相变化的过程：分别是 新月、蛾眉月、上弦月、盈凸、满月、亏凸、下弦月、残月 # 参考：images/moon/月相变化过程.jpeg # TODO: 月球在摄像机的前方（从 “新月” 开始） - moon_pos, moon_vel = [0, 0, 384400], [-(EARTH_INIT_VELOCITY + 1.023), 0, 0] + moon_pos, moon_vel = [0, 0, 384400], [-(EARTH_INIT_VELOCITY + 1.03), 0, 0] # TODO: 月球在摄像机的右方（从 “下弦月” 开始），将会从右方出现 # moon_pos, moon_vel = [384400, 0, 0], [-EARTH_INIT_VELOCITY, 0, 1.023] # TODO: 月球在摄像机的左方（从 “上弦月” 开始） # moon_pos, moon_vel = [-384400, 0, 0], [EARTH_INIT_VELOCITY, 0, -1.023] - + moon = Moon(init_position=moon_pos, # 距地距离约: 363104 至 405696 km + init_velocity=moon_vel, + size_scale=2e1) # 月球放大 20 倍，距离保持不变 bodies = [ sun, Earth(init_position=[0, 0, 0], init_velocity=[0, EARTH_INIT_VELOCITY, 0], - size_scale=1e1), # 地球放大 10 倍，距离保持不变 - Moon(init_position=moon_pos, # 距地距离约: 363104 至 405696 km - init_velocity=moon_vel, - size_scale=2e1) # 月球放大 20 倍，距离保持不变 + size_scale=1e1), # 地球放大 10 倍，距离保持不变 + moon ] + + def on_timer_changed(time_data): + from ursina import camera,Vec3 + + camera.look_at(moon.planet) + camera.rotation_z = 0 + + # 订阅计时器事件（记录已到达天体列表） + UrsinaEvent.on_timer_changed_subscription(on_timer_changed) + # 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- # 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(bodies, SECONDS_PER_DAY, position=(0, 0, 0)) - - # 使用 mayavi 查看的运行效果 - # mayavi_run(bodies, SECONDS_PER_HALF_DAY / 2, view_azimuth=-45) + ursina_run(bodies, SECONDS_PER_DAY, position=(0, 0, 0),show_timer=True) -- GitLab