diff --git a/sim_scenes/science/earth_season_func.py b/sim_scenes/science/earth_season_func.py index 1b839ee690860b06069db4cb25360599f2d69037..98e6425fe4a6b9f8ebace93373d067669d18a4fe 100644 --- a/sim_scenes/science/earth_season_func.py +++ b/sim_scenes/science/earth_season_func.py @@ -11,27 +11,61 @@ from ursina import camera from bodies import Sun, Earth from common.consts import SECONDS_PER_DAY, AU -def create_trans_earth(name, text_color, position): + +def create_trans_earth(name, text_color, position, texture="earth_transparent.png"): """ 创建透明的地球 @param name: 名称 @param text_color: 文字颜色 @param position: 地球的位置 + @param texture: 透明地球的纹理图片 @return: """ - return Earth(name=name, size_scale=5e3, texture="earth_transparent.png", # 明的地球纹理 + return Earth(name=name, size_scale=5e3, texture=texture, # 明的地球纹理 text_color=text_color, rotation_speed=0, init_position=position, init_velocity=[0, 0, 0]).set_ignore_gravity(True) # 忽略重力 -def create_important_pos_earths(): - earth_1 = create_trans_earth(name="春分", text_color=(0, 255, 0), position=[-1.05 * AU, 0, 0]) - earth_2 = create_trans_earth(name="夏至", text_color=(255, 0, 0), position=[0, 0, -1.05 * AU]) - earth_3 = create_trans_earth(name="秋分", text_color=(255, 255, 0), position=[1.05 * AU, 0, 0]) - earth_4 = create_trans_earth(name="冬至", text_color=(0, 255, 255), position=[0, 0, 1.05 * AU]) +def create_important_pos_earths(texture="earth_transparent.png"): + """ + 创建24节气中4个重要位置的透明地球 + @param texture: 透明地球的纹理图片 + @return: + """ + earth_1 = create_trans_earth(name="春分", text_color=(0, 255, 0), position=[-1.05 * AU, 0, 0], texture=texture) + earth_2 = create_trans_earth(name="夏至", text_color=(255, 0, 0), position=[0, 0, -1.05 * AU], texture=texture) + earth_3 = create_trans_earth(name="秋分", text_color=(255, 255, 0), position=[1.05 * AU, 0, 0], texture=texture) + earth_4 = create_trans_earth(name="冬至", text_color=(0, 255, 255), position=[0, 0, 1.05 * AU], texture=texture) return earth_1, earth_2, earth_3, earth_4 +def create_earth(earth_texture="earth_hd.jpg", with_clouds=False, + clouds_texture="transparent_clouds.png", + earth_rotation_speed=0.5, clouds_rotation_speed=0.5): + """ + 创建运动的地球（和云层） + @param earth_texture: 地球的纹理图片 + @param with_clouds: 是否创建云层 + @param clouds_texture: 地球云层的纹理图片 + @param earth_rotation_speed: 地球自转速度（为演示效果，自转角速度取0.5度/小时，实际为15度/小时） + @param clouds_rotation_speed: 地球云层的自转速度 + @return: + """ + # 运动的地球 + earth = Earth(size_scale=5e3, texture=earth_texture, + text_color=[255, 255, 255], rotation_speed=earth_rotation_speed, + init_position=[-1 * AU, 0, 0], init_velocity=[0, 0, -29.79]) + + if not with_clouds: + return earth + + # 创建云层（texture纹理图使用了透明云层的图片，云层的 size_scale 要稍微比地球大一点） + earth_clouds = Earth(name="", texture=clouds_texture, + rotation_speed=clouds_rotation_speed, show_name=False, + size_scale=1.01 * 5e3, parent=earth) + + return earth, earth_clouds + def get_solar_terms_angles(): """ @@ -46,4 +80,39 @@ def get_solar_terms_angles(): ("小暑", 157.5, 172.5), ("大暑", 142.5, 157.5), ("立秋", 127.5, 142.5), ("处暑", 112.5, 127.5), ("白露", 97.5, 112.5), ("秋分", 82.5, 97.5), ("寒露", 67.5, 82.5), ("霜降", 52.5, 67.5), ("立冬", 37.5, 52.5), ("小雪", 22.5, 37.5), ("大雪", 7.5, 22.5), ("冬至", -7.5, 7.5)] - return solar_terms_angles \ No newline at end of file + return solar_terms_angles + + +def get_earth_pos_vel_by_term_name(term_name): + """ + 根据节气获取地球的初始速度和未知 + @param term_name: + @return: + """ + pos_vels = {"立春": {"pos": [-91429152.0, 0.0, 119128416.0], "vel": [-23.56348419189453, 0.0, -18.03900146484375]} + , "雨水": {"pos": [-119206008.0, 0.0, 91364824.0], "vel": [-18.053457260131836, 0.0, -23.547433853149414]} + , "惊蛰": {"pos": [-138759232.0, 0.0, 57409412.0], "vel": [-11.321699142456055, 0.0, -27.432178497314453]} + , "春分": {"pos": [-148826464.0, 0.0, 19529740.0], "vel": [-3.809511184692383, 0.0, -29.443904876708984]} + , "清明": {"pos": [-148717568.0, 0.0, -19601100.0], "vel": [3.959000825881958, 0.0, -29.443849563598633]} + , "谷雨": {"pos": [-138453296.0, 0.0, -57392344.0], "vel": [11.474220275878906, 0.0, -27.430706024169922]} + , "立夏": {"pos": [-118763752.0, 0.0, -91185672.0], "vel": [18.209632873535156, 0.0, -23.541967391967773]} + , "小满": {"pos": [-91024856.0, 0.0, -118692480.0], "vel": [23.708106994628906, 0.0, -18.04340171813965]} + , "芒种": {"pos": [-57152380.0, 0.0, -138062688.0], "vel": [27.595821380615234, 0.0, -11.310075759887695]} + , "夏至": {"pos": [-19469878.0, 0.0, -148008528.0], "vel": [29.608537673950195, 0.0, -3.801793098449707]} + , "小暑": {"pos": [19536654.0, 0.0, -147878576.0], "vel": [29.60844612121582, 0.0, 3.9851362705230713]} + , "大暑": {"pos": [57050156.0, 0.0, -137724432.0], "vel": [27.59927749633789, 0.0, 11.484448432922363]} + , "立秋": {"pos": [90765216.0, 0.0, -118185768.0], "vel": [23.70542335510254, 0.0, 18.229616165161133]} + , "处暑": {"pos": [118243424.0, 0.0, -90663376.0], "vel": [18.207006454467773, 0.0, 23.726715087890625]} + , "白露": {"pos": [137697808.0, 0.0, -56988980.0], "vel": [11.4738187789917, 0.0, 27.613632202148438]} + , "秋分": {"pos": [147813104.0, 0.0, -19449096.0], "vel": [3.9687302112579346, 0.0, 29.625364303588867]} + , "寒露": {"pos": [147904608.0, 0.0, 19494148.0], "vel": [-3.810037851333618, 0.0, 29.62670135498047]} + , "霜降": {"pos": [137919376.0, 0.0, 57194016.0], "vel": [-11.329061508178711, 0.0, 27.612049102783203]} + , "立冬": {"pos": [118550400.0, 0.0, 91003808.0], "vel": [-18.058313369750977, 0.0, 23.726837158203125]} + , "小雪": {"pos": [91069912.0, 0.0, 118693304.0], "vel": [-23.554834365844727, 0.0, 18.23233985900879]} + , "大雪": {"pos": [57243580.0, 0.0, 138386736.0], "vel": [-27.450029373168945, 0.0, 11.48636245727539]} + , "冬至": {"pos": [19504978.0, 0.0, 148626512.0], "vel": [-29.46121597290039, 0.0, 3.9764606952667236]} + , "小寒": {"pos": [-19648712.0, 0.0, 148729504.0], "vel": [-29.460290908813477, 0.0, -3.801400661468506]} + , "大寒": {"pos": [-57462344.0, 0.0, 138679984.0], "vel": [-27.450258255004883, 0.0, -11.3037691116333]} + } + + return pos_vels.get(term_name, None) diff --git a/sim_scenes/science/earth_seasons.py b/sim_scenes/science/earth_seasons.py index 183134d5abdfe42b14ce8a2d1d861272cea6d456..5ba44d9431dac8e360d15e45c58ed8b5761f398e 100644 --- a/sim_scenes/science/earth_seasons.py +++ b/sim_scenes/science/earth_seasons.py @@ -11,7 +11,7 @@ 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 -from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles +from sim_scenes.science.earth_season_func import create_important_pos_earths, get_solar_terms_angles, create_earth from simulators.ursina.entities.body_timer import TimeData, BodyTimer from simulators.ursina.ursina_event import UrsinaEvent @@ -23,9 +23,7 @@ if __name__ == '__main__': # 在 4 个节气的位置创建固定不动的透明地球 earth_1, earth_2, earth_3, earth_4 = create_important_pos_earths() # 运动的地球 - earth = Earth(size_scale=5e3, texture="earth_hd.jpg", - text_color=[255, 255, 255], rotation_speed=0.5, # 为演示效果，自转角速度取0.5度/小时，实际为15度/小时 - init_position=[-1 * AU, 0, 0], init_velocity=[0, 0, -29.79]) + earth = create_earth() # 地球立春的位置和速度 earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] diff --git a/sim_scenes/science/earth_seasons_2.py b/sim_scenes/science/earth_seasons_2.py index 5126fb06856258789478967fb1b274b503a0aee4..8779b755074afaa8786b6b69e044542fe697a497 100644 --- a/sim_scenes/science/earth_seasons_2.py +++ b/sim_scenes/science/earth_seasons_2.py @@ -11,26 +11,11 @@ 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 get_solar_terms_angles, create_important_pos_earths +from sim_scenes.science.earth_season_func import get_solar_terms_angles, create_important_pos_earths, \ + get_earth_pos_vel_by_term_name, create_earth from simulators.ursina.entities.body_timer import TimeData, BodyTimer from simulators.ursina.ursina_event import UrsinaEvent - -def create_earth(name, text_color, position): - """ - 创建透明的地球 - @param name: 名称 - @param text_color: 文字颜色 - @param position: 地球的位置 - @return: - """ - earth = Earth(name=name, size_scale=5e3, texture="earth_transparent.png", # 明的地球纹理 - text_color=text_color, rotation_speed=0, - init_position=position, init_velocity=[0, 0, 0]).set_ignore_gravity(True) # 忽略重力 - - return earth - - if __name__ == '__main__': """ 摄像机以太阳的视角看地球（四季和24节气） @@ -39,19 +24,14 @@ if __name__ == '__main__': # 在 4 个节气的位置创建固定不动的透明地球 earth_1, earth_2, earth_3, earth_4 = create_important_pos_earths() - # 运动的地球 - earth = Earth(size_scale=5e3, texture="earth-huge.jpg", - text_color=[255, 255, 255], rotation_speed=0.5, # 为演示效果，自转角速度取0.5度/小时，实际为15度/小时 - init_position=[-1 * AU, 0, 0], init_velocity=[0, 0, -29.79]) + # 创建运动的地球和云层 + earth, earth_clouds = create_earth(with_clouds=True, earth_rotation_speed=1.0, clouds_rotation_speed=1.2) - # 创建云层（texture纹理图使用了透明云层的图片，云层的 size_scale 要稍微比地球大一点） - earth_clouds = Earth(name="", texture="transparent_clouds.png", - rotation_speed=0.51, show_name=False, - size_scale=1.01 * 5e3, parent=earth) + pos_vel = get_earth_pos_vel_by_term_name("寒露") - # 地球立春的位置和速度 - earth.init_position = [-9.1507536e+07, 0.0000000e+00, 1.1907757e+08] - earth.init_velocity = [-23.550875, 0., -18.05398] + if pos_vel is not None: + earth.init_position = pos_vel["pos"] + earth.init_velocity = pos_vel["vel"] earth.rotate_axis_color = (255, 255, 50) earth.rotate_axis_scale = 0.62 @@ -93,6 +73,27 @@ if __name__ == '__main__': e.name_text.enabled = True + def log_earth_pos_vel(term_name): + """ + 记录地球每个节气的开始的初始位置和速度 + @param term_name: + @return: + """ + if not hasattr(earth, "last_term_name"): + earth.last_term_name = "" + + if earth.last_term_name != term_name: + pos = earth.position + vel = earth.velocity + print( + f'{{"{term_name}": {{' + f'"pos": [{pos[0]}, {pos[1]}, {pos[2]}], ' + f'"vel": [{vel[0]}, {vel[1]}, {vel[2]}]' + f'}}}}') + + earth.last_term_name = term_name + + def on_timer_changed(time_data: TimeData): # 摄像机始终看向移动的地球 camera_look_at(earth, rotation_z=0) @@ -102,13 +103,9 @@ if __name__ == '__main__': 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 earth_text_display(term_name) + log_earth_pos_vel(term_name) # 地球名称文字显示为相应的节气 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) # 订阅事件后，上面2个函数功能才会起作用 @@ -121,7 +118,7 @@ if __name__ == '__main__': # 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, SECONDS_PER_DAY * 2, + ursina_run(bodies, SECONDS_PER_DAY / 2, position=(0, 0, 0), # 摄像机和太阳是相同位置 cosmic_bg='', show_grid=False,