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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 a6359a59 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/featured/earth_seasons.py
浏览文件 @ a6359a59
......@@ -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__':
......
sim_scenes/featured/earth_seasons_1.py
浏览文件 @ a6359a59
......@@ -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))
sim_scenes/featured/earth_seasons_2.py
浏览文件 @ a6359a59
......@@ -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))
sim_scenes/featured/earth_seasons_3.py
浏览文件 @ a6359a59
......@@ -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))
sim_scenes/featured/earth_seasons_base.py 0 → 100644
浏览文件 @ a6359a59
# -*- 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)
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