diff --git a/sim_scenes/featured/earth_seasons.py b/sim_scenes/featured/earth_seasons.py index ccac25059368325703710fbe0dca069296ea487f..2c0888f42db48fef66131182f6ae304c321e3f84 100644 --- a/sim_scenes/featured/earth_seasons.py +++ b/sim_scenes/featured/earth_seasons.py @@ -10,6 +10,7 @@ from ursina import camera from bodies import Sun, Earth from common.consts import SECONDS_PER_DAY, AU +from sim_scenes.featured.earth_seasons_base import EarthSeasonsSimBase from sim_scenes.func import ursina_run, camera_look_at, create_sphere_sky from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles, create_earth from sim_scenes.universe_sim_scenes import UniverseSimScenes @@ -17,104 +18,8 @@ from simulators.ursina.entities.body_timer import TimeData, BodyTimer from simulators.ursina.ursina_event import UrsinaEvent -class EarthSeasonsSim(UniverseSimScenes): - def __init__(self): - self.sun = Sun(size_scale=5e1, texture="transparent.png") # 太阳使用透明纹理，不会遮挡摄像机 - # 在 4 个节气的位置创建固定不动的透明地球 - self.earth_1, self.earth_2, self.earth_3, self.earth_4 = create_important_pos_earths(texture="earth-huge.jpg") - # 运动的地球 - self.earth, self.earth_clouds = create_earth(earth_texture="earth-huge.jpg", - with_clouds=True, earth_rotation_speed=0.5, - clouds_rotation_speed=0.6) - - # 地球立春的位置和速度 - self.earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth.init_velocity = [-23.550875, 0., -18.05398] - - self.earth_clouds.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth_clouds.init_velocity = [-23.550875, 0., -18.05398] - - self.earth.rotate_axis_color = (255, 255, 50) - self.earth.rotate_axis_scale = 0.65 - - self.bodies = [ - self.sun, self.earth, self.earth_clouds, - self.earth_1, self.earth_2, self.earth_3, self.earth_4, - ] - - # 中国农历24节气表，数据为 节气名称 和 camera.rotation_y 的角度范围值 - self.solar_terms_angles = get_solar_terms_angles() - - def on_ready(self): - # 将 4 个节气位置的地球进行旋转，让中国面对太阳 - self.earth_1.planet.rotation_y += 115 # 春分 - self.earth_2.planet.rotation_y += 15 # 夏至 - self.earth_3.planet.rotation_y -= 80 # 秋分 - self.earth_4.planet.rotation_y -= 145 # 冬至 - - self.earth_1.planet.alpha = 0.3 - self.earth_2.planet.alpha = 0.3 - self.earth_3.planet.alpha = 0.3 - self.earth_4.planet.alpha = 0.3 - - self.sky = create_sphere_sky(scale=8000) - self.sky.rotation_y = 100 - self.sky.rotation_x = 20 - self.sky.rotation_z = -65 - - if hasattr(self.earth_clouds, "name_text"): - self.earth_clouds.name_text.enabled = False - - def earth_text_display(self, term_name): - """ - 控制4个透明地球文本是否显示，防止地球文字的叠加 - @param term_name: - @return: - """ - for e in [self.earth_1, self.earth_2, self.earth_3, self.earth_4]: - if hasattr(e, "name_text"): - if term_name == e.name: - e.name_text.enabled = False - else: - e.name_text.enabled = True - - def on_timer_changed(self, time_data: TimeData): - if time_data.total_days > 375: - exit(0) - # 摄像机始终看向移动的地球 - camera_look_at(self.earth, rotation_z=0) - # 根据角度范围判断，显示中国农历24节气 - for info in self.solar_terms_angles: - if info[1] <= camera.rotation_y < info[2]: - term_name = info[0] - # 控制4个透明地球文本是否显示，防止地球文字的叠加 - self.earth_text_display(term_name) - # 地球名称文字显示为相应的节气 - if hasattr(self.earth, "name_text"): - self.earth.name_text.text = term_name - # if term_name == "立春": # 找到立春的位置和速度 - # print("position", earth.position) - # print("velocity", earth.velocity) - - # print(camera.rotation_y) - - def run(self): - # 订阅事件后，上面2个函数功能才会起作用 - # 运行前会触发 on_ready - UrsinaEvent.on_ready_subscription(self.on_ready) - # 运行中，每时每刻都会触发 on_timer_changed - UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed) - # 设置计时器的最小时间单位为天 - BodyTimer().min_unit = BodyTimer.MIN_UNIT_DAYS - # 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(self.bodies, SECONDS_PER_DAY, - position=(0, 0, 0), # 摄像机和太阳是相同位置 - show_name=True, - show_grid=False, - # show_timer=True, - timer_enabled=True) +class EarthSeasonsSim(EarthSeasonsSimBase): + pass if __name__ == '__main__': diff --git a/sim_scenes/featured/earth_seasons_1.py b/sim_scenes/featured/earth_seasons_1.py index 5ef0f9352611006e778db0d8d7e4f96098d309ba..dd92a8523ab0b5dd591f421bcbeb70edd7949af7 100644 --- a/sim_scenes/featured/earth_seasons_1.py +++ b/sim_scenes/featured/earth_seasons_1.py @@ -6,128 +6,26 @@ # link :https://gitcode.net/pythoncr/ # python_version :3.8 # ============================================================================== -from ursina import camera -from bodies import Sun, Earth -from common.consts import SECONDS_PER_DAY, AU -from sim_scenes.func import ursina_run, camera_look_at, create_sphere_sky -from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles, create_earth -from sim_scenes.universe_sim_scenes import UniverseSimScenes -from simulators.ursina.entities.body_timer import TimeData, BodyTimer -from simulators.ursina.ursina_event import UrsinaEvent +from common.consts import AU +from sim_scenes.featured.earth_seasons_base import EarthSeasonsSimBase +from sim_scenes.func import camera_look_at -class EarthSeasonsSim(UniverseSimScenes): +class EarthSeasonsSim(EarthSeasonsSimBase): window_size = (1920 / 3, 1080 / 3) def __init__(self): - self.sun = Sun(size_scale=5e1) # 太阳使用透明纹理，不会遮挡摄像机 - # 在 4 个节气的位置创建固定不动的透明地球 - self.earth_1, self.earth_2, self.earth_3, self.earth_4 = \ - create_important_pos_earths(texture="earth-huge.jpg", size_scale=4.5e3, position_offset=1.0) - # 运动的地球 - self.earth, self.earth_clouds = create_earth(earth_texture="earth-huge.jpg", - with_clouds=True, earth_rotation_speed=0.5, - clouds_rotation_speed=0.6) - - # 地球立春的位置和速度 - self.earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth.init_velocity = [-23.550875, 0., -18.05398] - - self.earth_clouds.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth_clouds.init_velocity = [-23.550875, 0., -18.05398] - - self.earth.rotate_axis_color = (255, 255, 50) - self.earth.rotate_axis_scale = 0.65 - - self.bodies = [ - self.sun, self.earth, self.earth_clouds, - self.earth_1, self.earth_2, self.earth_3, self.earth_4, - ] - - # 中国农历24节气表，数据为 节气名称 和 camera.rotation_y 的角度范围值 - self.solar_terms_angles = get_solar_terms_angles() + super(EarthSeasonsSim, self).__init__(sun_transparent=False, show_sphere_sky=False, look_at_earth=False) def on_ready(self): - # 将 4 个节气位置的地球进行旋转，让中国面对太阳 - self.earth_1.planet.rotation_y += 115 # 春分 - self.earth_2.planet.rotation_y += 15 # 夏至 - self.earth_3.planet.rotation_y -= 80 # 秋分 - self.earth_4.planet.rotation_y -= 145 # 冬至 - - self.earth_1.planet.alpha = 0.3 - self.earth_2.planet.alpha = 0.3 - self.earth_3.planet.alpha = 0.3 - self.earth_4.planet.alpha = 0.3 - - # self.sky = create_sphere_sky(scale=8000) - # self.sky.rotation_y = 100 - # self.sky.rotation_x = 20 - # self.sky.rotation_z = -65 - - if hasattr(self.earth_clouds, "name_text"): - self.earth_clouds.name_text.enabled = False - - # 摄像机始终看向移动的地球 + super(EarthSeasonsSim, self).on_ready() camera_look_at(self.sun, rotation_z=0) - def earth_text_display(self, term_name): - """ - 控制4个透明地球文本是否显示，防止地球文字的叠加 - @param term_name: - @return: - """ - for e in [self.earth_1, self.earth_2, self.earth_3, self.earth_4]: - if hasattr(e, "name_text"): - if term_name == e.name: - e.name_text.enabled = False - else: - e.name_text.enabled = True - - def on_timer_changed(self, time_data: TimeData): - if time_data.total_days > 400: - exit(0) - - # 根据角度范围判断，显示中国农历24节气 - for info in self.solar_terms_angles: - if info[1] <= camera.rotation_y < info[2]: - term_name = info[0] - # 控制4个透明地球文本是否显示，防止地球文字的叠加 - self.earth_text_display(term_name) - # 地球名称文字显示为相应的节气 - if hasattr(self.earth, "name_text"): - self.earth.name_text.text = term_name - # if term_name == "立春": # 找到立春的位置和速度 - # print("position", earth.position) - # print("velocity", earth.velocity) - - # print(camera.rotation_y) - - def run(self): - # 订阅事件后，上面2个函数功能才会起作用 - # 运行前会触发 on_ready - UrsinaEvent.on_ready_subscription(self.on_ready) - # 运行中，每时每刻都会触发 on_timer_changed - UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed) - # 设置计时器的最小时间单位为天 - BodyTimer().min_unit = BodyTimer.MIN_UNIT_DAYS - # 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(self.bodies, - SECONDS_PER_DAY * 10, - # position=(0, 0, 0), # 摄像机和太阳是相同位置 - position=(3 * AU, AU, 0), # 摄像机和太阳是相同位置 - # show_name=True, - show_grid=False, - cosmic_bg='', - # show_timer=True, - timer_enabled=True) - if __name__ == '__main__': """ - 摄像机以太阳的视角看地球（四季和24节气） + 摄像机以侧视图（秋分侧）看太阳和地球（四季和24节气） """ sim = EarthSeasonsSim() - sim.run() + sim.run((3 * AU, AU, 0)) diff --git a/sim_scenes/featured/earth_seasons_2.py b/sim_scenes/featured/earth_seasons_2.py index ab3d3053e693029a097f1f25be0f9dfac87427fd..e867914bcb4f531eee3ccf483249122593f2e636 100644 --- a/sim_scenes/featured/earth_seasons_2.py +++ b/sim_scenes/featured/earth_seasons_2.py @@ -6,127 +6,26 @@ # link :https://gitcode.net/pythoncr/ # python_version :3.8 # ============================================================================== -from ursina import camera -from bodies import Sun, Earth -from common.consts import SECONDS_PER_DAY, AU -from sim_scenes.func import ursina_run, camera_look_at, create_sphere_sky -from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles, create_earth -from sim_scenes.universe_sim_scenes import UniverseSimScenes -from simulators.ursina.entities.body_timer import TimeData, BodyTimer -from simulators.ursina.ursina_event import UrsinaEvent +from common.consts import AU +from sim_scenes.featured.earth_seasons_base import EarthSeasonsSimBase +from sim_scenes.func import camera_look_at -class EarthSeasonsSim(UniverseSimScenes): +class EarthSeasonsSim(EarthSeasonsSimBase): window_size = (1920 / 3, 1080 / 3) def __init__(self): - self.sun = Sun(size_scale=5e1) # 太阳使用透明纹理，不会遮挡摄像机 - # 在 4 个节气的位置创建固定不动的透明地球 - self.earth_1, self.earth_2, self.earth_3, self.earth_4 = \ - create_important_pos_earths(texture="earth-huge.jpg", size_scale=4.5e3, position_offset=1.0) - # 运动的地球 - self.earth, self.earth_clouds = create_earth(earth_texture="earth-huge.jpg", - with_clouds=True, earth_rotation_speed=0.5, - clouds_rotation_speed=0.6) - - # 地球立春的位置和速度 - self.earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth.init_velocity = [-23.550875, 0., -18.05398] - - self.earth_clouds.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth_clouds.init_velocity = [-23.550875, 0., -18.05398] - - self.earth.rotate_axis_color = (255, 255, 50) - self.earth.rotate_axis_scale = 0.65 - - self.bodies = [ - self.sun, self.earth, self.earth_clouds, - self.earth_1, self.earth_2, self.earth_3, self.earth_4, - ] - - # 中国农历24节气表，数据为 节气名称 和 camera.rotation_y 的角度范围值 - self.solar_terms_angles = get_solar_terms_angles() + super(EarthSeasonsSim, self).__init__(sun_transparent=False, show_sphere_sky=False, look_at_earth=False) def on_ready(self): - # 将 4 个节气位置的地球进行旋转，让中国面对太阳 - self.earth_1.planet.rotation_y += 115 # 春分 - self.earth_2.planet.rotation_y += 15 # 夏至 - self.earth_3.planet.rotation_y -= 80 # 秋分 - self.earth_4.planet.rotation_y -= 145 # 冬至 - - self.earth_1.planet.alpha = 0.3 - self.earth_2.planet.alpha = 0.3 - self.earth_3.planet.alpha = 0.3 - self.earth_4.planet.alpha = 0.3 - - # self.sky = create_sphere_sky(scale=8000) - # self.sky.rotation_y = 100 - # self.sky.rotation_x = 20 - # self.sky.rotation_z = -65 - - if hasattr(self.earth_clouds, "name_text"): - self.earth_clouds.name_text.enabled = False - - # 摄像机始终看向移动的地球 + super(EarthSeasonsSim, self).on_ready() camera_look_at(self.sun, rotation_z=0) - def earth_text_display(self, term_name): - """ - 控制4个透明地球文本是否显示，防止地球文字的叠加 - @param term_name: - @return: - """ - for e in [self.earth_1, self.earth_2, self.earth_3, self.earth_4]: - if hasattr(e, "name_text"): - if term_name == e.name: - e.name_text.enabled = False - else: - e.name_text.enabled = True - - def on_timer_changed(self, time_data: TimeData): - if time_data.total_days > 400: - exit(0) - - # 根据角度范围判断，显示中国农历24节气 - for info in self.solar_terms_angles: - if info[1] <= camera.rotation_y < info[2]: - term_name = info[0] - # 控制4个透明地球文本是否显示，防止地球文字的叠加 - self.earth_text_display(term_name) - # 地球名称文字显示为相应的节气 - if hasattr(self.earth, "name_text"): - self.earth.name_text.text = term_name - # if term_name == "立春": # 找到立春的位置和速度 - # print("position", earth.position) - # print("velocity", earth.velocity) - - # print(camera.rotation_y) - - def run(self): - # 订阅事件后，上面2个函数功能才会起作用 - # 运行前会触发 on_ready - UrsinaEvent.on_ready_subscription(self.on_ready) - # 运行中，每时每刻都会触发 on_timer_changed - UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed) - # 设置计时器的最小时间单位为天 - BodyTimer().min_unit = BodyTimer.MIN_UNIT_DAYS - # 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(self.bodies, SECONDS_PER_DAY * 10, - # position=(0, 0, 0), # 摄像机和太阳是相同位置 - position=(0, AU, -3 * AU), # 摄像机和太阳是相同位置 - # show_name=True, - show_grid=False, - cosmic_bg='', - # show_timer=True, - timer_enabled=True) - if __name__ == '__main__': """ - 摄像机以太阳的视角看地球（四季和24节气） + 摄像机以侧视图（夏至侧）看太阳和地球（四季和24节气） """ sim = EarthSeasonsSim() - sim.run() + sim.run((0, AU, -3 * AU)) diff --git a/sim_scenes/featured/earth_seasons_3.py b/sim_scenes/featured/earth_seasons_3.py index 84023400bbd1c27a263add9b4b4f0f948030bd9f..acb35574780c8082ba03f27fe3dd13d59a98b3cd 100644 --- a/sim_scenes/featured/earth_seasons_3.py +++ b/sim_scenes/featured/earth_seasons_3.py @@ -6,127 +6,26 @@ # link :https://gitcode.net/pythoncr/ # python_version :3.8 # ============================================================================== -from ursina import camera -from bodies import Sun, Earth -from common.consts import SECONDS_PER_DAY, AU -from sim_scenes.func import ursina_run, camera_look_at, create_sphere_sky -from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles, create_earth -from sim_scenes.universe_sim_scenes import UniverseSimScenes -from simulators.ursina.entities.body_timer import TimeData, BodyTimer -from simulators.ursina.ursina_event import UrsinaEvent +from common.consts import AU +from sim_scenes.featured.earth_seasons_base import EarthSeasonsSimBase +from sim_scenes.func import camera_look_at -class EarthSeasonsSim(UniverseSimScenes): +class EarthSeasonsSim(EarthSeasonsSimBase): window_size = (1920 / 3, 1080 / 3) def __init__(self): - self.sun = Sun(size_scale=5e1) # 太阳使用透明纹理，不会遮挡摄像机 - # 在 4 个节气的位置创建固定不动的透明地球 - self.earth_1, self.earth_2, self.earth_3, self.earth_4 = \ - create_important_pos_earths(texture="earth-huge.jpg", size_scale=4.5e3, position_offset=1.0) - # 运动的地球 - self.earth, self.earth_clouds = create_earth(earth_texture="earth-huge.jpg", - with_clouds=True, earth_rotation_speed=0.5, - clouds_rotation_speed=0.6) - - # 地球立春的位置和速度 - self.earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth.init_velocity = [-23.550875, 0., -18.05398] - - self.earth_clouds.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - self.earth_clouds.init_velocity = [-23.550875, 0., -18.05398] - - self.earth.rotate_axis_color = (255, 255, 50) - self.earth.rotate_axis_scale = 0.65 - - self.bodies = [ - self.sun, self.earth, self.earth_clouds, - self.earth_1, self.earth_2, self.earth_3, self.earth_4, - ] - - # 中国农历24节气表，数据为 节气名称 和 camera.rotation_y 的角度范围值 - self.solar_terms_angles = get_solar_terms_angles() + super(EarthSeasonsSim, self).__init__(sun_transparent=False, show_sphere_sky=False, look_at_earth=False) def on_ready(self): - # 将 4 个节气位置的地球进行旋转，让中国面对太阳 - self.earth_1.planet.rotation_y += 115 # 春分 - self.earth_2.planet.rotation_y += 15 # 夏至 - self.earth_3.planet.rotation_y -= 80 # 秋分 - self.earth_4.planet.rotation_y -= 145 # 冬至 - - self.earth_1.planet.alpha = 0.3 - self.earth_2.planet.alpha = 0.3 - self.earth_3.planet.alpha = 0.3 - self.earth_4.planet.alpha = 0.3 - - # self.sky = create_sphere_sky(scale=8000) - # self.sky.rotation_y = 100 - # self.sky.rotation_x = 20 - # self.sky.rotation_z = -65 - - if hasattr(self.earth_clouds, "name_text"): - self.earth_clouds.name_text.enabled = False - - # 摄像机始终看向移动的地球 + super(EarthSeasonsSim, self).on_ready() camera_look_at(self.sun, rotation_z=0) - def earth_text_display(self, term_name): - """ - 控制4个透明地球文本是否显示，防止地球文字的叠加 - @param term_name: - @return: - """ - for e in [self.earth_1, self.earth_2, self.earth_3, self.earth_4]: - if hasattr(e, "name_text"): - if term_name == e.name: - e.name_text.enabled = False - else: - e.name_text.enabled = True - - def on_timer_changed(self, time_data: TimeData): - if time_data.total_days > 400: - exit(0) - - # 根据角度范围判断，显示中国农历24节气 - for info in self.solar_terms_angles: - if info[1] <= camera.rotation_y < info[2]: - term_name = info[0] - # 控制4个透明地球文本是否显示，防止地球文字的叠加 - self.earth_text_display(term_name) - # 地球名称文字显示为相应的节气 - if hasattr(self.earth, "name_text"): - self.earth.name_text.text = term_name - # if term_name == "立春": # 找到立春的位置和速度 - # print("position", earth.position) - # print("velocity", earth.velocity) - - # print(camera.rotation_y) - - def run(self): - # 订阅事件后，上面2个函数功能才会起作用 - # 运行前会触发 on_ready - UrsinaEvent.on_ready_subscription(self.on_ready) - # 运行中，每时每刻都会触发 on_timer_changed - UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed) - # 设置计时器的最小时间单位为天 - BodyTimer().min_unit = BodyTimer.MIN_UNIT_DAYS - # 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(self.bodies, SECONDS_PER_DAY * 10, - # position=(0, 0, 0), # 摄像机和太阳是相同位置 - position=(0, 4 * AU, 0), # 摄像机和太阳是相同位置 - # show_name=True, - show_grid=False, - cosmic_bg='', - # show_timer=True, - timer_enabled=True) - if __name__ == '__main__': """ - 摄像机以太阳的视角看地球（四季和24节气） + 摄像机以俯视图看太阳和地球（四季和24节气） """ sim = EarthSeasonsSim() - sim.run() + sim.run((0, 4 * AU, 0)) diff --git a/sim_scenes/featured/earth_seasons_base.py b/sim_scenes/featured/earth_seasons_base.py new file mode 100644 index 0000000000000000000000000000000000000000..bff49be87daae563f4e2fbd07f436320f334d78b --- /dev/null +++ b/sim_scenes/featured/earth_seasons_base.py @@ -0,0 +1,125 @@ +# -*- coding:utf-8 -*- +# title :地球季节模拟（四季和24节气） +# description :地球季节模拟（四季和24节气） +# author :Python超人 +# date :2023-02-11 +# link :https://gitcode.net/pythoncr/ +# python_version :3.8 +# ============================================================================== +from ursina import camera + +from bodies import Sun, Earth +from common.consts import SECONDS_PER_DAY, AU +from sim_scenes.func import ursina_run, camera_look_at, create_sphere_sky +from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles, create_earth +from sim_scenes.universe_sim_scenes import UniverseSimScenes +from simulators.ursina.entities.body_timer import TimeData, BodyTimer +from simulators.ursina.ursina_event import UrsinaEvent + + +class EarthSeasonsSimBase(UniverseSimScenes): + def __init__(self, sun_transparent=True, show_sphere_sky=True, look_at_earth=True): + if sun_transparent: + self.sun = Sun(size_scale=5e1, texture="transparent.png") # 太阳使用透明纹理，不会遮挡摄像机 + else: + self.sun = Sun(size_scale=5e1) + self.show_sphere_sky = show_sphere_sky + self.look_at_earth = look_at_earth + # 在 4 个节气的位置创建固定不动的透明地球 + self.earth_1, self.earth_2, self.earth_3, self.earth_4 = create_important_pos_earths(texture="earth-huge.jpg") + # 运动的地球 + self.earth, self.earth_clouds = create_earth(earth_texture="earth-huge.jpg", + with_clouds=True, earth_rotation_speed=0.5, + clouds_rotation_speed=0.6) + + # 地球立春的位置和速度 + self.earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] + self.earth.init_velocity = [-23.550875, 0., -18.05398] + + self.earth_clouds.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] + self.earth_clouds.init_velocity = [-23.550875, 0., -18.05398] + + self.earth.rotate_axis_color = (255, 255, 50) + self.earth.rotate_axis_scale = 0.65 + + self.bodies = [ + self.sun, self.earth, self.earth_clouds, + self.earth_1, self.earth_2, self.earth_3, self.earth_4, + ] + + # 中国农历24节气表，数据为 节气名称 和 camera.rotation_y 的角度范围值 + self.solar_terms_angles = get_solar_terms_angles() + + def on_ready(self): + # 将 4 个节气位置的地球进行旋转，让中国面对太阳 + self.earth_1.planet.rotation_y += 115 # 春分 + self.earth_2.planet.rotation_y += 15 # 夏至 + self.earth_3.planet.rotation_y -= 80 # 秋分 + self.earth_4.planet.rotation_y -= 145 # 冬至 + + self.earth_1.planet.alpha = 0.3 + self.earth_2.planet.alpha = 0.3 + self.earth_3.planet.alpha = 0.3 + self.earth_4.planet.alpha = 0.3 + if self.show_sphere_sky: + self.sky = create_sphere_sky(scale=8000) + self.sky.rotation_y = 100 + self.sky.rotation_x = 20 + self.sky.rotation_z = -65 + + if hasattr(self.earth_clouds, "name_text"): + self.earth_clouds.name_text.enabled = False + + def earth_text_display(self, term_name): + """ + 控制4个透明地球文本是否显示，防止地球文字的叠加 + @param term_name: + @return: + """ + for e in [self.earth_1, self.earth_2, self.earth_3, self.earth_4]: + if hasattr(e, "name_text"): + if term_name == e.name: + e.name_text.enabled = False + else: + e.name_text.enabled = True + + def on_timer_changed(self, time_data: TimeData): + if time_data.total_days > 375: + exit(0) + if self.look_at_earth: + # 摄像机始终看向移动的地球 + camera_look_at(self.earth, rotation_z=0) + # 根据角度范围判断，显示中国农历24节气 + for info in self.solar_terms_angles: + if info[1] <= camera.rotation_y < info[2]: + term_name = info[0] + # 控制4个透明地球文本是否显示，防止地球文字的叠加 + self.earth_text_display(term_name) + # 地球名称文字显示为相应的节气 + if hasattr(self.earth, "name_text"): + self.earth.name_text.text = term_name + # if term_name == "立春": # 找到立春的位置和速度 + # print("position", earth.position) + # print("velocity", earth.velocity) + + # print(camera.rotation_y) + + def run(self, init_position=(0, 0, 0)): + # 订阅事件后，上面2个函数功能才会起作用 + # 运行前会触发 on_ready + UrsinaEvent.on_ready_subscription(self.on_ready) + # 运行中，每时每刻都会触发 on_timer_changed + UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed) + # 设置计时器的最小时间单位为天 + BodyTimer().min_unit = BodyTimer.MIN_UNIT_DAYS + # 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(self.bodies, SECONDS_PER_DAY, + position=init_position, # 摄像机和太阳是相同位置 + show_name=True, + show_grid=False, + cosmic_bg='', + # show_timer=True, + timer_enabled=True) +