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宇宙模拟器
宇宙模拟器

Python_超人 / 宇宙模拟器

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宇宙模拟器
宇宙模拟器
提交 c157b65e 编写于 作者: 三月三net's avatar 三月三net
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Python超人-宇宙模拟器

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sim_scenes/science/earth_season_func.py
浏览文件 @ c157b65e
......@@ -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():
"""
......@@ -47,3 +81,38 @@ def get_solar_terms_angles():
("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
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)
sim_scenes/science/earth_seasons.py
浏览文件 @ c157b65e
......@@ -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]
......
sim_scenes/science/earth_seasons_2.py
浏览文件 @ c157b65e
......@@ -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,
......
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