diff --git a/sim_scenes/featured/look_at_sky_on_earth.py b/sim_scenes/featured/look_at_sky_on_earth.py new file mode 100644 index 0000000000000000000000000000000000000000..64d3955fb0b138356b046c76a9c82a440192e32c --- /dev/null +++ b/sim_scenes/featured/look_at_sky_on_earth.py @@ -0,0 +1,236 @@ +# -*- coding:utf-8 -*- +# title :从地球上看天空 +# description :从地球上看天空 +# author :Python超人 +# date :2023-12-19 +# link :https://gitcode.net/pythoncr/ +# python_version :3.9 +# ============================================================================== +from ursina import camera + +from bodies import Sun, Earth +from common.consts import SECONDS_PER_DAY, SECONDS_PER_HOUR, 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, \ + get_earth_pos_vel_by_term_name +from sim_scenes.universe_sim_scenes import UniverseSimScenes +from simulators.ursina.entities.body_timer import TimeData, BodyTimer +from simulators.ursina.entities.entity_utils import create_foreground +from simulators.ursina.ursina_config import UrsinaConfig +from simulators.ursina.ursina_event import UrsinaEvent +from common.func import find_file + + +class LookAtSkyOnEarth(UniverseSimScenes): + def __init__(self, + show_sphere_sky=True, + # look_at_earth=True, + show_china=False, + exit_at_total_days=375, + earth_cn_size_factor=1.001, + earth_clouds_size_factor=1.01, + show_name=False, look_point=None): + # self.sun = Sun(size_scale=2e1, texture="sun_light.jpg") + # self.sun.glows = (0, 1.005, 0.1) + self.sun = Sun(size_scale=2e1, texture="transparent.png") + self.sun.glows = None + self.show_sphere_sky = show_sphere_sky + self.look_point = look_point # -1:北半球, 1:南半球, 0:赤道 + # self.look_at_earth = look_at_earth + self.show_china = show_china + self.show_name = show_name + self.exit_at_total_days = exit_at_total_days + + earth_transparent = look_point is not None + + self.earth_transparent = earth_transparent + if earth_transparent: + earth_texture = "transparent.png" + # earth_texture = "earth_miller_projection_SW.jpg" + clouds_texture = "transparent.png" + earth_size_scale = 1 + else: + earth_texture = "earth-huge.jpg" + clouds_texture = "transparent_clouds.png" + earth_size_scale = 5e3 + # 运动的地球 + self.earth, self.earth_clouds, self.earth_cn = create_earth(earth_texture=earth_texture, + earth_size_scale=earth_size_scale, + earth_cn_texture=None, + clouds_texture=clouds_texture, + with_clouds=True, earth_rotation_speed=16, + clouds_rotation_speed=17, + earth_cn_size_factor=earth_cn_size_factor, + earth_clouds_size_factor=earth_clouds_size_factor) + + # # 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 + + pos_vel = get_earth_pos_vel_by_term_name("春分") + + if pos_vel is not None: + self.earth.init_position = pos_vel["pos"] + self.earth.init_velocity = pos_vel["vel"] + + self.bodies = [ + self.sun, self.earth, self.earth_clouds + ] + + if self.show_china: + self.bodies += [self.earth_cn] + self.wait_days = 10 + self.wait_days_count = self.wait_days + + # 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): + self.earth.planet.rotation_y -= 180 # 一开始就正对太阳 + # self.earth_cn.planet.rotation_y -= 185 # 一开始就正对太阳 + + self.earth_clouds.planet.rotation_y -= 50 # 一开始就正对太阳 + + if self.show_name: + font = find_file("fonts/DroidSansFallback.ttf", UrsinaConfig.CN_FONT) + from ursina import color + + text_scale = self.earth.name_text.scale * 2 + self.earth.name_text.scale = text_scale + + self.earth.name_text.font = font + self.earth.name_text.color = color.yellow + + if hasattr(self.earth_clouds, "name_text"): + self.earth_clouds.name_text.enabled = False + + + + if self.show_china: + if hasattr(self.earth_cn, "name_text"): + self.earth_cn.name_text.enabled = False + + cn_planet = self.earth_cn.planet + origin_update = cn_planet.update + cn_planet.alpha_inc = 0.01 + cn_planet.alpha_direct = -1 + alpha_range = [0.3, 0.7] + cn_planet.alpha = alpha_range[1] + + def cn_blink(): + origin_update() + alpha = cn_planet.alpha + alpha += cn_planet.alpha_direct * cn_planet.alpha_inc + if cn_planet.alpha_direct < 0 and alpha < alpha_range[0]: + alpha = alpha_range[0] + cn_planet.alpha_direct = 1 + elif cn_planet.alpha_direct > 0 and alpha > alpha_range[1]: + alpha = alpha_range[1] + cn_planet.alpha_direct = -1 + cn_planet.alpha = alpha + # print(cn_planet.alpha) + if self.wait_days_count <= 0: + self.earth_cn.planet.alpha = alpha_range[1] + cn_planet.update = origin_update + + cn_planet.update = cn_blink + from ursina import application, invoke + + if self.show_sphere_sky: + self.sky = create_sphere_sky(scale=8000, texture="eso0932a.jpg") + # self.sky.rotation_x = -50 + # self.sky.rotation_z = 90 + + self.sky.rotation_x = 50 + self.sky.rotation_z = 50 + + # if self.look_point == 1: + if self.look_point is not None: + camera.rotation_x = 50 * self.look_point + # camera.rotation_x = 50 # 1 南半球 + # if self.look_at_earth: + if self.look_point is None: + # 摄像机始终看向移动的地球 + camera_look_at(self.earth, rotation_z=0) + # camera.parent = self.sun.planet + else: + camera.parent = self.earth.planet + camera.rotation_z = 90 + + camera.clip_plane_near = 10 + camera.clip_plane_far = 1000000 + camera.fov = 75 # 默认:60 + + def delay_app_start(): + import time + # time.sleep(8.0 / self.speed_factor) + self.wait_days_count = 0 + application.paused = False + + import threading + application.paused = True + threading.Thread(target=delay_app_start).start() + # invoke(lambda: app_start, delay=3.0) + if self.look_point is not None: + # self.sun.planet.glow_circle.look_at(camera) + create_foreground(f"armazonesdusk_{self.look_point + 2}.png") + + def on_timer_changed(self, time_data: TimeData): + pass + # if self.show_china and self.wait_days_count > 0: + # self.wait_days_count = self.wait_days - time_data.total_days + # + # if time_data.total_days > self.exit_at_total_days: + # 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), speed_factor=1.0): + self.speed_factor = speed_factor + # 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_HOUR * speed_factor, + position=init_position, # 摄像机和太阳是相同位置 + show_name=self.show_name, + 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） + """ + # -1:北半球 Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator + sim = LookAtSkyOnEarth() + sim.run() diff --git a/sim_scenes/featured/look_at_sky_on_earth_e.py b/sim_scenes/featured/look_at_sky_on_earth_e.py new file mode 100644 index 0000000000000000000000000000000000000000..277c0e69494ca62a9dbd77226d7e829df97f3fc8 --- /dev/null +++ b/sim_scenes/featured/look_at_sky_on_earth_e.py @@ -0,0 +1,18 @@ +# -*- coding:utf-8 -*- +# title :从地球上看天空 +# description :从地球上看天空 +# author :Python超人 +# date :2023-12-19 +# link :https://gitcode.net/pythoncr/ +# python_version :3.9 +# ============================================================================== + +from sim_scenes.featured.look_at_sky_on_earth import LookAtSkyOnEarth + +if __name__ == '__main__': + """ + 从地球赤道看天空 + """ + # -1:北半球 Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator + sim = LookAtSkyOnEarth(look_point=0) + sim.run() diff --git a/sim_scenes/featured/look_at_sky_on_earth_n.py b/sim_scenes/featured/look_at_sky_on_earth_n.py new file mode 100644 index 0000000000000000000000000000000000000000..5302fbb5093f009c0b5cb9b0995fe67a9adf0315 --- /dev/null +++ b/sim_scenes/featured/look_at_sky_on_earth_n.py @@ -0,0 +1,18 @@ +# -*- coding:utf-8 -*- +# title :从地球上看天空 +# description :从地球上看天空 +# author :Python超人 +# date :2023-12-19 +# link :https://gitcode.net/pythoncr/ +# python_version :3.9 +# ============================================================================== + +from sim_scenes.featured.look_at_sky_on_earth import LookAtSkyOnEarth + +if __name__ == '__main__': + """ + 从地球北半球看天空 + """ + # -1:北半球 Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator + sim = LookAtSkyOnEarth(look_point=-1) + sim.run() diff --git a/sim_scenes/featured/look_at_sky_on_earth_s.py b/sim_scenes/featured/look_at_sky_on_earth_s.py new file mode 100644 index 0000000000000000000000000000000000000000..a1a77a5f19512db1cdadaf41158aceb329207c55 --- /dev/null +++ b/sim_scenes/featured/look_at_sky_on_earth_s.py @@ -0,0 +1,18 @@ +# -*- coding:utf-8 -*- +# title :从地球上看天空 +# description :从地球上看天空 +# author :Python超人 +# date :2023-12-19 +# link :https://gitcode.net/pythoncr/ +# python_version :3.9 +# ============================================================================== + +from sim_scenes.featured.look_at_sky_on_earth import LookAtSkyOnEarth + +if __name__ == '__main__': + """ + 从地球南半球看天空 + """ + # -1:北半球 Northern Hemisphere, 1:南半球 Southern Hemisphere, 0:赤道 Equator + sim = LookAtSkyOnEarth(look_point=1) + sim.run() diff --git a/sim_scenes/science/earth_season_func.py b/sim_scenes/science/earth_season_func.py index a510e00a0f77fe6cd529d12d4515ca28fcccfd43..307465589008753a9b1eec7f2667ad364ce4ef94 100644 --- a/sim_scenes/science/earth_season_func.py +++ b/sim_scenes/science/earth_season_func.py @@ -56,7 +56,8 @@ def create_earth(earth_texture="earth_hd.jpg", with_clouds=False, earth_cn_texture=None, clouds_texture="transparent_clouds.png", earth_rotation_speed=0.5, clouds_rotation_speed=0.5, - earth_cn_size_factor=1.001, earth_clouds_size_factor=1.01): + earth_cn_size_factor=1.001, earth_clouds_size_factor=1.01, + earth_size_scale=5e3): """ 创建运动的地球（和云层） @param earth_texture: 地球的纹理图片 @@ -67,7 +68,7 @@ def create_earth(earth_texture="earth_hd.jpg", with_clouds=False, @return: """ # 运动的地球 - earth = Earth(size_scale=5e3, texture=earth_texture, + earth = Earth(size_scale=earth_size_scale, 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]) @@ -76,7 +77,7 @@ def create_earth(earth_texture="earth_hd.jpg", with_clouds=False, else: earth_cn = Earth(name="", texture=earth_cn_texture, rotation_speed=earth_rotation_speed, show_name=False, - size_scale=earth_cn_size_factor * 5e3, parent=earth) + size_scale=earth_cn_size_factor * earth_size_scale, parent=earth) if not with_clouds: return earth, None, earth_cn @@ -84,7 +85,7 @@ def create_earth(earth_texture="earth_hd.jpg", with_clouds=False, # 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=earth_clouds_size_factor * 5e3, parent=earth) + size_scale=earth_clouds_size_factor * earth_size_scale, parent=earth) return earth, earth_clouds, earth_cn diff --git a/sim_scenes/universe_sim_scenes.py b/sim_scenes/universe_sim_scenes.py index 547c12c795c1e213308b8253175d7fcfdcaee1b6..668fa3b90a38123bea687dfeed5876d73087b48b 100644 --- a/sim_scenes/universe_sim_scenes.py +++ b/sim_scenes/universe_sim_scenes.py @@ -31,7 +31,7 @@ class UniverseSimScenes: UniverseSimScenes.screen_record = True application.time_scale = 0.00001 - instance = super().__new__(cls, *args, **kwargs) + instance = super().__new__(cls) return instance @staticmethod diff --git a/simulators/ursina/entities/entity_utils.py b/simulators/ursina/entities/entity_utils.py index f338699d1d8bf5dadfd6e49cfff64d86242c8290..3246f4d801fe475bc0b9b27d5667e9578fc03777 100644 --- a/simulators/ursina/entities/entity_utils.py +++ b/simulators/ursina/entities/entity_utils.py @@ -23,6 +23,7 @@ import math import numpy as np + def create_name_text(parent): """ @@ -383,7 +384,9 @@ def create_fixed_star_lights(fixed_star): glow_circle.scale = fixed_star_ratio * fixed_star.scale_x glow_circle.look_at(camera) + glow_circle.look_at(camera) glow_circle.update = glow_circle_update + fixed_star.glow_circle = glow_circle if hasattr(fixed_star.body_view.body, "light_on"): if fixed_star.body_view.body.light_on: @@ -394,6 +397,38 @@ def create_fixed_star_lights(fixed_star): intensity=10, range=10, color=color.white) +def create_foreground(foreground_img): + from ursina import Panel + # 创建一个前景图片层 + foreground_img = find_texture(foreground_img, None) + width = 0.9 + height = .2 + foreground = Panel( + parent=None, + model='quad', + texture=foreground_img, + color=color.white, + origin=(-.48, .48, -.48), + scale=(width*2, height), + position=(-0.85, -0.33, 0) + ) + # foreground = Entity(model='quad', scale=(1, 1), texture=foreground_img, eternal=True) + + # 设置前景图片层的位置和缩放 + # foreground.position = (0, 0, 0) # 设置位置 + # foreground.scale = (1, 1) # 设置缩放 + + # 将前景图片层设置为相机的子实体 + # camera = EditorCamera() + # camera.add_child(foreground) + + def update(): + # 使前景图片层保持在最前面 + foreground.world_z = camera.world_z - 0.01 + + foreground.update = update + + def create_point_light(parent, light_color=None, position=(0, 0, 0)): if light_color is None: light_color = color.white @@ -449,3 +484,12 @@ def create_trail_info(body, trail): if trail is not None: trail.entity_infos = {"velocity": [vel_value, vel_direction, vel_position], "acceleration": [acc_value, acc_direction, acc_position]} + + +if __name__ == '__main__': + from ursina import * + app = Ursina() + create_foreground("sun.jpg") + EditorCamera() + app.run() + diff --git a/textures/armazonesdusk_1.png b/textures/armazonesdusk_1.png new file mode 100644 index 0000000000000000000000000000000000000000..424f472f5d3d105cc15f0f406958e808b2a25763 Binary files /dev/null and b/textures/armazonesdusk_1.png differ diff --git a/textures/armazonesdusk_2.png b/textures/armazonesdusk_2.png new file mode 100644 index 0000000000000000000000000000000000000000..ff89021275fc88c15dcc55fcb9128980b97e12e8 Binary files /dev/null and b/textures/armazonesdusk_2.png differ diff --git a/textures/armazonesdusk_3.png b/textures/armazonesdusk_3.png new file mode 100644 index 0000000000000000000000000000000000000000..4d25f0e2bc08eef3a4a4b5ea23ae36411894fca6 Binary files /dev/null and b/textures/armazonesdusk_3.png differ diff --git a/textures/armazonesdusk_4.png b/textures/armazonesdusk_4.png new file mode 100644 index 0000000000000000000000000000000000000000..6b8421e59197aacfd65c9897e3eb6ba53a5d4def Binary files /dev/null and b/textures/armazonesdusk_4.png differ