From da43f624ebbe3e1095f3c068df0acf821a55ae34 Mon Sep 17 00:00:00 2001 From: march3 Date: Thu, 23 Mar 2023 19:57:20 +0800 Subject: [PATCH] =?UTF-8?q?=E5=A4=AA=E9=98=B3=E7=B3=BB=E4=B8=89=E4=BD=93?= =?UTF-8?q?=E6=A8=A1=E6=8B=9F=E5=99=A8?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- bodies/README.md | 9 +++++++++ bodies/body.py | 4 +++- bodies/fixed_stars/README.md | 12 +++++++++++ bodies/fixed_stars/sirius.py | 7 ++++++- bodies/fixed_stars/stephenson_2_18.py | 2 ++ bodies/fixed_stars/uy_scuti.py | 2 ++ common/color_utils.py | 14 +++++++++++++ scenes/fixed_stars.py | 4 ++-- scenes/func.py | 9 ++++++++- simulators/views/ursina_view.py | 29 ++++++++++++++++++++++----- 10 files changed, 82 insertions(+), 10 deletions(-) diff --git a/bodies/README.md b/bodies/README.md index a1d10b3..6ac9101 100644 --- a/bodies/README.md +++ b/bodies/README.md @@ -8,4 +8,13 @@ # 　天体质量: # 　平均密度: ``` +参考： +https://solarsystem.nasa.gov/solar-system/our-solar-system/overview/ + +https://trek.nasa.gov/mars/ +https://trek.nasa.gov/moon/ + +https://www.jpl.nasa.gov/images + +https://nasasearch.nasa.gov/search?affiliate=nasa&sort_by=&query=moon+map+texture \ No newline at end of file diff --git a/bodies/body.py b/bodies/body.py index 9e7d72e..abdbad8 100644 --- a/bodies/body.py +++ b/bodies/body.py @@ -23,7 +23,7 @@ class Body(metaclass=ABCMeta): density=5e3, color=(125 / 255, 125 / 255, 125 / 255), texture=None, size_scale=1.0, distance_scale=1.0, rotation_speed=None, parent=None, ignore_mass=False, - is_fixed_star=False, trail_color=None): + is_fixed_star=False, trail_color=None, show_name=False): """ 天体类 :param name: 天体名称 @@ -83,6 +83,8 @@ class Body(metaclass=ABCMeta): self.parent = parent self.__is_fixed_star = is_fixed_star + self.show_name = show_name + @property def init_position(self): """ diff --git a/bodies/fixed_stars/README.md b/bodies/fixed_stars/README.md index c4bfaa4..11a3bb5 100644 --- a/bodies/fixed_stars/README.md +++ b/bodies/fixed_stars/README.md @@ -27,3 +27,15 @@ ？大角星 + + +请从 NASA 官网上获取以下恒星的信息： +天狼星A,参宿五,昴宿六,大角星,毕宿五,参宿七,猎犬座Y,海山二,心宿二,船底座V382,参宿四,大犬座VY,盾牌座 UY,史蒂文森2-18 + +恒星信息格式如下： +昴宿六 (Alcyone) +质量：太阳质量的6倍 (1.193e+31 kg) +半径：太阳半径的9倍 (6.613e+06 km) +直径: 太阳直径的9倍 (1.323e+07 km) +密度： kg/m³ +自转： 度/小时（自转角速度） diff --git a/bodies/fixed_stars/sirius.py b/bodies/fixed_stars/sirius.py index c2052ce..f2db7aa 100644 --- a/bodies/fixed_stars/sirius.py +++ b/bodies/fixed_stars/sirius.py @@ -12,7 +12,12 @@ from common.consts import MO class Sirius(FixedStar): """ - 天狼星A (Sirius) + 天狼星A (Sirius A) + 质量：太阳质量的2.02倍 (3.994e+30 kg) + 半径：太阳半径的1.711倍 (9.529e+05 km) + 直径：太阳直径的1.423倍 (2.386e+06 km) + 密度： 1.590 kg/m³ + 自转： 16.7 度/小时 --------------- 维基百科 --------------- 天狼星A/B （大犬座α） diff --git a/bodies/fixed_stars/stephenson_2_18.py b/bodies/fixed_stars/stephenson_2_18.py index a64c327..3088736 100644 --- a/bodies/fixed_stars/stephenson_2_18.py +++ b/bodies/fixed_stars/stephenson_2_18.py @@ -17,6 +17,8 @@ class Stephenson_2_18(FixedStar): 分类: 红超巨星 直径: 3005015000 km 半径: 2158R☉ [1] + https://baijiahao.baidu.com/s?id=1734063731226819203&wfr=spider&for=pc + 这颗恒星的体积就更加夸张了，根据科学家的估计，这颗恒星的体积，是太阳的100亿倍。换一句话说，史蒂文森2-18的体积是盾牌座UY的两倍。 --------------- 维基百科 --------------- 史蒂芬森2-18 Stephenson 2-18 zoomed in, 2MASS survey, 2003.png diff --git a/bodies/fixed_stars/uy_scuti.py b/bodies/fixed_stars/uy_scuti.py index d16760b..948bc37 100644 --- a/bodies/fixed_stars/uy_scuti.py +++ b/bodies/fixed_stars/uy_scuti.py @@ -15,6 +15,8 @@ class UYScuti(FixedStar): 盾牌座 UY (UY Scuti) 质量 7-10 M☉ 半径 1708 R☉ (有争议) + https://baijiahao.baidu.com/s?id=1734063731226819203&wfr=spider&for=pc + 单单一个盾牌座UY，就能够容纳6500万亿个地球，太阳也能放进去50亿个。前文所说的弹珠还不恰当，准确来说，在盾牌座UY面前，太阳比细菌还不如。 --------------- 维基百科 --------------- 盾牌座UY 盾牌座UY（影像中最亮恒星）周围有大量恒星。 diff --git a/common/color_utils.py b/common/color_utils.py index a119da5..938e8a0 100644 --- a/common/color_utils.py +++ b/common/color_utils.py @@ -43,3 +43,17 @@ def adjust_brightness(color, target_brightness: float = 0.6): return Vec4(r, g, b, color.w) else: return color + + +def get_inverse_color(color): + """计算 RGB 颜色的反色""" + r, g, b = color + if r + g + b <= 3: + inverse_r = 1.0 - r + inverse_g = 1.0 - g + inverse_b = 1.0 - b + else: + inverse_r = 255 - r + inverse_g = 255 - g + inverse_b = 255 - b + return inverse_r, inverse_g, inverse_b diff --git a/scenes/fixed_stars.py b/scenes/fixed_stars.py index 3f08f40..8b7e322 100644 --- a/scenes/fixed_stars.py +++ b/scenes/fixed_stars.py @@ -34,7 +34,7 @@ if __name__ == '__main__': CarinaeV382(size_scale=SIZE_SCALE, ignore_mass=True), # 船底座V382 质量倍数 39 半径倍数 747 # Betelgeuse(size_scale=SIZE_SCALE, ignore_mass=True), # 参宿四 质量倍数 19 半径倍数 1180 VYCanisMajoris(size_scale=SIZE_SCALE, ignore_mass=True), # 大犬座VY 质量倍数 30 半径倍数 1400 - UYScuti(size_scale=SIZE_SCALE, ignore_mass=True), # 盾牌座 UY 质量倍数 10 半径倍数 1708 + # UYScuti(size_scale=SIZE_SCALE, ignore_mass=True), # 盾牌座 UY 质量倍数 10 半径倍数 1708 Stephenson_2_18(size_scale=SIZE_SCALE, ignore_mass=True) # 史蒂文森2-18 质量倍数 40.0 半径倍数 2150 ] distance_sum = 0 @@ -54,4 +54,4 @@ 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_WEEK, position=(0, AU, -AU / 500), show_trail=True) + ursina_run(bodies, SECONDS_PER_WEEK, position=(0, AU, -AU / 500), show_name=True) diff --git a/scenes/func.py b/scenes/func.py index e91a508..68e2972 100644 --- a/scenes/func.py +++ b/scenes/func.py @@ -62,6 +62,7 @@ def ursina_run(bodies, cosmic_bg=None, show_grid=True, show_trail=False, + show_name=False, save_as_json=None): """ @@ -81,9 +82,15 @@ def ursina_run(bodies, from ursina import application, Sequence, camera, held_keys, time, clamp, Entity, Text, color from ursina.prefabs.first_person_controller import FirstPersonController body_sys = System(bodies) + + if show_name: + for body in body_sys.bodies: + body.show_name = True + if save_as_json is not None: try: - body_sys.save_to_json(save_as_json, {"dt": dt, "position": position, "show_trail": show_trail}) + body_sys.save_to_json(save_as_json, {"dt": dt, "position": position, + "show_trail": show_trail, "show_name": show_name}) print(f"{save_as_json} 文件生成成功！") except Exception as e: print(f"{save_as_json} 文件生成失败！" + str(e)) diff --git a/simulators/views/ursina_view.py b/simulators/views/ursina_view.py index 62a75c9..b68de62 100644 --- a/simulators/views/ursina_view.py +++ b/simulators/views/ursina_view.py @@ -8,7 +8,7 @@ # ============================================================================== # pip install -i http://pypi.douban.com/simple/ --trusted-host=pypi.douban.com ursina from ursina import Ursina, window, Entity, Mesh, SmoothFollow, Texture, clamp, time, \ - camera, color, mouse, Vec2, Vec3, Vec4, \ + camera, color, mouse, Vec2, Vec3, Vec4, Text, \ load_texture, held_keys, destroy, PointLight from ursina.prefabs.first_person_controller import FirstPersonController @@ -17,7 +17,7 @@ from bodies import Body from simulators.ursina.ursina_config import UrsinaConfig from simulators.ursina.ursina_event import UrsinaEvent -from common.color_utils import adjust_brightness, conv_to_vec4_color +from common.color_utils import adjust_brightness, conv_to_vec4_color, get_inverse_color from simulators.views.body_view import BodyView from simulators.views.ursina_mesh import create_sphere, create_torus import numpy as np @@ -134,6 +134,19 @@ class Planet(Entity): if self.body_view.body.is_fixed_star: self.create_fixed_star_lights() + if self.body_view.body.show_name: + self.create_name_text() + + def create_name_text(self): + b_color = self.body_view.color + self.name_text = Text(self.body_view.body.name, scale=2, billboard=True, parent=self, + font=UrsinaConfig.CN_FONT, background=True, + origin=(0, 0)) + self.name_text.background.color = color.rgba(b_color[0], b_color[1], b_color[2], 0.3) + # self.name_text.scale = self.scale + inverse_color = get_inverse_color(b_color) + self.name_text.color = color.rgba(inverse_color[0], inverse_color[1], inverse_color[2], 1) + def trail_init(self): """ 拖尾球体的初始化 @@ -271,6 +284,12 @@ class Planet(Entity): else: self.clear_trails() + if hasattr(self, "name_text"): + # 计算相机和实体之间的距离 + distance = (camera.world_position - self.world_position).length() + # 根据距离设置文本缩放比例 + # self.name_text.scale = distance / 10 + def follow_parent(self): if not hasattr(self, "f_parent"): if not hasattr(self.body_view, "bodies_system"): @@ -316,17 +335,17 @@ class Planet(Entity): if glow_num > 0: glow_alphas = [0, 0.5, 0.4, 0.3, 0.2, 0.1] if glow_alpha is None: - if glow_num < len(glow_alphas)-1: + if glow_num < len(glow_alphas) - 1: glow_alpha = glow_alphas[glow_num] else: glow_alpha = glow_alphas[-1] # _color = color.white _color = self.body_view.body.color - _color = color.rgba(_color[0]/255, _color[1]/255, _color[2]/255, 1) + _color = color.rgba(_color[0] / 255, _color[1] / 255, _color[2] / 255, 1) for i in range(glow_num): glow_entity = Entity(parent=self, model='sphere', color=_color, - scale=math.pow(glow_scale, i+1), alpha=glow_alpha) + scale=math.pow(glow_scale, i + 1), alpha=glow_alpha) if hasattr(self.body_view.body, "light_on"): if self.body_view.body.light_on: for i in range(2): -- GitLab