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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 68b368fb 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/bodies_size_sim.py
浏览文件 @ 68b368fb
......@@ -15,7 +15,7 @@ from bodies import EtaCarinae, YCanumVenaticorum, VYCanisMajoris, UYScuti, Carin
from bodies.jupiter_system import Io
from common.consts import SECONDS_PER_HOUR, SECONDS_PER_DAY, AU
from sim_scenes.func import ursina_run, create_sphere_sky
from sim_scenes.func import ursina_run, create_sphere_sky, camera_move_control, get_run_speed_factor
from sim_scenes.universe_sim_scenes import UniverseSimScenes
from simulators.ursina.entities.body_timer import TimeData, AppTimeUtil
from simulators.ursina.entities.entity_utils import create_directional_light
......@@ -29,58 +29,70 @@ class BodiesSizeSim(UniverseSimScenes):
def __init__(self):
self.D = AU / 30000
# earth1 = Earth("地球1", init_position=[0, 0, 0], rotate_angle=-23.44)
self.earth = Earth("地球", texture="earth2.jpg", rotate_angle=0, init_position=[3 * self.D, self.D, self.D])
self.bodies = [
Pluto(name="冥王星", init_position=[-4*self.D, 0, 0]),
Moon("月球", init_position=[-3*self.D, 0, 0]),
Io(name="木卫一", init_position=[-2*self.D, 0, 0]),
Europa(name="木卫二", init_position=[-self.D, 0, 0]),
Ganymede(name="木卫三", init_position=[0, 0, 0]),
Callisto(name="木卫四", init_position=[self.D, 0, 0]),
Mercury(name="水星", init_position=[2*self.D, 0, 0]),
Mars(name="火星", init_position=[-4*self.D, self.D, self.D]),
Pluto(name="冥王星", init_position=[-4 * self.D, 0, 0]),
# Europa(name="木卫二", init_position=[-3 * self.D, 0, 0]),
Moon("月球", init_position=[-3 * self.D, 0, 0]),
Io(name="木卫一", init_position=[-2 * self.D, 0, 0]),
# Callisto(name="木卫四", init_position=[-1 * self.D, 0, 0]),
# Ganymede(name="木卫三", init_position=[-self.D, 0, 0]),
Mercury(name="水星", init_position=[-0.5*self.D, 0, 0]),
Mars(name="火星", init_position=[-4 * self.D, self.D, self.D]),
Venus(name="金星", init_position=[-self.D, self.D, self.D]),
Earth("地球", texture="earth2.jpg", rotate_angle=0, init_position=[3 * self.D, self.D, self.D]),
Uranus(name="天王星", init_position=[-6*self.D, 5*self.D, 5*self.D]),
Neptune(name="海王星", init_position=[6*self.D, 5*self.D, 5*self.D]),
Saturn(name="土星", init_position=[-20*self.D, 11*self.D, 30*self.D]), # .show_rings(False),
Jupiter(name="木星", texture='jupiter_hd.jpg', init_position=[25*self.D, 14*self.D, 25*self.D]),
Sun(name="太阳", init_position=[70*self.D, 70*self.D, 250*self.D]),
Sirius(name="天狼星A", init_position=[-90*self.D, 120*self.D, 450*self.D]),
Alcyone(name="昴宿六", init_position=[-900*self.D, 1200*self.D, 1200*self.D]), # 质量倍数 6 半径倍数 9.5
Arcturus(name="大角星", init_position=[2000*self.D, 3000*self.D, 4000*self.D]), # 质量倍数 1.1 半径倍数 25.7
Aldebaran(name="毕宿五", init_position=[-5000*self.D, 4000*self.D, 9000*self.D]), # 质量倍数 1.16 半径倍数 44.13
Rigel(name="参宿七", init_position=[9000*self.D, 8000*self.D, 13000*self.D]), # 质量倍数 18 半径倍数 78
self.earth,
# Earth("地球", texture="earth2.jpg", rotate_angle=0, init_position=[3 * self.D, self.D, self.D]),
Uranus(name="天王星", init_position=[-6 * self.D, 5 * self.D, 5 * self.D]),
Neptune(name="海王星", init_position=[6 * self.D, 5 * self.D, 5 * self.D]),
Saturn(name="土星", init_position=[-20 * self.D, 11 * self.D, 30 * self.D]), # .show_rings(False),
Jupiter(name="木星", texture='jupiter_hd.jpg', init_position=[25 * self.D, 14 * self.D, 25 * self.D]),
Sun(name="太阳", init_position=[70 * self.D, 70 * self.D, 250 * self.D]),
Sirius(name="天狼星A", init_position=[-90 * self.D, 120 * self.D, 450 * self.D]),
Alcyone(name="昴宿六", init_position=[-900 * self.D, 1200 * self.D, 1200 * self.D]), # 质量倍数 6 半径倍数 9.5
Arcturus(name="大角星", init_position=[2000 * self.D, 3000 * self.D, 4000 * self.D]), # 质量倍数 1.1 半径倍数 25.7
Aldebaran(name="毕宿五", init_position=[-5000 * self.D, 4000 * self.D, 9000 * self.D]),
# 质量倍数 1.16 半径倍数 44.13
Rigel(name="参宿七", init_position=[9000 * self.D, 8000 * self.D, 13000 * self.D]), # 质量倍数 18 半径倍数 78
# # YCanumVenaticorum(name="猎犬座Y", init_position=[-90*self.D, 120*self.D, 450*self.D]), # 质量倍数 3.0 半径倍数 215
EtaCarinae(name="海山二", init_position=[-15000*self.D, 28000*self.D, 45000*self.D]), # 质量倍数 125 半径倍数 278
EtaCarinae(name="海山二", init_position=[-15000 * self.D, 28000 * self.D, 45000 * self.D]),
# 质量倍数 125 半径倍数 278
# # Antares(name="心宿二", init_position=[-90*self.D, 120*self.D, 450*self.D]), # 质量倍数 15 半径倍数 680
CarinaeV382(name="船底座V382", init_position=[35000*self.D, 70000*self.D, 150000*self.D]), # 质量倍数 39 半径倍数 747
CarinaeV382(name="船底座V382", init_position=[35000 * self.D, 70000 * self.D, 150000 * self.D]),
# 质量倍数 39 半径倍数 747
# # Betelgeuse(name="参宿四", init_position=[-90*self.D, 120*self.D, 450*self.D]), # 质量倍数 19 半径倍数 1180
VYCanisMajoris(name="大犬座VY", init_position=[-85000*self.D, 140000*self.D, 360000*self.D]), # 质量倍数 30 半径倍数 1400
VYCanisMajoris(name="大犬座VY", init_position=[-85000 * self.D, 140000 * self.D, 360000 * self.D]),
# 质量倍数 30 半径倍数 1400
# # UYScuti(name="盾牌座 UY", init_position=[-85000*self.D, 140000*self.D, 360000*self.D]), # 盾牌座 UY 质量倍数 10 半径倍数 1708
Stephenson_2_18(name="史蒂文森2-18", init_position=[95000*self.D, 200000*self.D, 800000*self.D]) # 史蒂文森2-18 质量倍数 40.0 半径倍数 2150
Stephenson_2_18(name="史蒂文森2-18", init_position=[95000 * self.D, 200000 * self.D, 800000 * self.D])
# 史蒂文森2-18 质量倍数 40.0 半径倍数 2150
]
for body in self.bodies:
for idx, body in enumerate(self.bodies):
# if body.rotation_speed == 0:
body.rotation_speed = 10
body.init_velocity = [0, 0, 0]
body.text_scale = 3
body.ignore_mass = True
def on_ready(self):
# 运行前触发
# 为了较好的立体效果，可以增加太阳光线，光线直射地球（target=earth）
create_directional_light(position=([-1e2, -1e2, -5e4]),
create_directional_light(position=([-5e2, -5e2, -5e4]),
light_num=3,
target= self.bodies[0])
target=self.bodies[0])
camera.clip_plane_near = 0.001
camera.clip_plane_far = 50000000
camera.fov = 60
application.time_scale = 0.001
application.time_scale = 0.0001
sky = create_sphere_sky(scale=100000)
# sky.alpha = 0.5
# sky.rotation_y = -90
sky.rotation_x = 200
# sky.rotation_z = 200
for idx, body in enumerate(self.bodies):
if idx > 6:
body.planet.enabled = False
pass
# for idx, body in enumerate(self.bodies):
# if idx <= len(body_rotation_y) - 1:
......@@ -88,8 +100,117 @@ class BodiesSizeSim(UniverseSimScenes):
# interval = 5
def camera_move(self, time_data):
"""
摄像机移动控制
@param dt:
@return:
"""
from ursina import distance
# 摄像机移动控制数据
camera_move_infos = [
# 条件：年份
# 移动的信息：
# 按坐标系方向移动 x:右+左-, y:升+降-, z:前+(接近太阳)后-(远离太阳)
# 以摄像机视角移动 f:前 b:后 l:左 r:右 u:上 d:下
(0, {"r": 0.00008}),
(8, {"b": 0.0005, "u": 0.0001}),
(10, {"b": 0.005, "u": 0.001}),
(20, {"b": 0.5, "u": 0.1}),
(30, {"b": 1, "u": 0.2}),
(1000000, {"b": 0.02}),
(2000000, {}),
# (2000, {"exit": True}),
# (1989, {"z": -8, "f": -5}),
# (1993, {"z": -8, "f": -3}),
# (1995, {"z": -8}),
# (2000, {"z": -8, "y": -0.2}),
# (2013, {}),
# (2048, {"f": 3}),
# (2062, {"y": -3}),
# (2063, {"y": -10, "z": 2}),
# (2181, {}),
# (2082, {"exit": True})
(250, {"exit": True}),
]
def cond_cb(ps):
return ps["next_cond"] > time_data.total_hours >= ps["cond"]
d_earth = distance(camera.position, self.earth.planet.position)
distance_ctrl_infos = [
(0.018, [7, 10]),
(0.025, [10, 12]),
(0.08, [12, 14]),
(0.3, [14, 15]),
(0.5, [15, 16]),
(100.05, None)
]
for i, ctrl_info in enumerate(distance_ctrl_infos[:-1]):
d1, ctrl_info1 = ctrl_info
d2, ctrl_info2 = distance_ctrl_infos[i + 1]
if ctrl_info1 is None:
continue
if d1 < d_earth <= d2:
for idx, body in enumerate(self.bodies[ctrl_info1[0]:ctrl_info1[1]]):
if body.planet.enabled:
continue
body.planet.alpha = 0.0
body.planet.enabled = True
self.set_alpha_animation(body, 0.0, 1.0, 0.1)
print("d", d_earth)
# if d_earth > 0.025:
# for idx, body in enumerate(self.bodies[7:10]):
# if body.planet.enabled:
# continue
# body.planet.alpha = 0.0
# body.planet.enabled = True
# self.set_alpha_animation(body, 0.0, 1.0, 0.01)
camera_move_control(camera_move_infos,
cond_cb=cond_cb,
value_conv=self.s_f)
def set_alpha_animation(self, body, begin_alpha, end_alpha, interval, is_destroy=False):
from ursina import destroy
if hasattr(body, "planet"):
planet = body.planet
else:
planet = body
planet.alpha = begin_alpha
if begin_alpha > end_alpha:
interval = -abs(interval) / self.record_rate
else:
interval = abs(interval) / self.record_rate
origin_update = planet.update
def alpha_animation():
from ursina import camera, Vec4
origin_update()
alpha = planet.alpha
alpha += interval
if (interval > 0 and alpha >= end_alpha) or (interval < 0 and alpha <= end_alpha):
alpha = end_alpha
planet.update = origin_update
planet.enabled = (alpha > 0)
planet.alpha = alpha
if is_destroy and not planet.enabled:
destroy(planet)
# planet.color = Vec4(planet.color[0], planet.color[1], planet.color[2], alpha)
# print(body, planet.alpha, planet.rotation_x, planet.rotation_y, planet.rotation_z)
planet.update = alpha_animation
def s_f(self, value=1):
if value == 0:
return 0
return get_run_speed_factor() * value
def on_timer_changed(self, time_data: TimeData):
pass
self.camera_move(time_data)
def run(self):
# 运行中，每时每刻都会触发 on_timer_changed
......@@ -101,7 +222,8 @@ class BodiesSizeSim(UniverseSimScenes):
# 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 / 2,
position=[0, 0, -5e4],
position=[-2e4, 0, -0.8e4],
# position=[0, 0, -5e4],
# position=[0, 2e4, -15e4], # 海王星
# position=[0, 2e4, -35e4], # 木星
# position=[0, 35e4, -150e4], # 太阳
......@@ -115,12 +237,13 @@ class BodiesSizeSim(UniverseSimScenes):
# position=[0, 80000e4, -300000e4], # 盾牌座 UY
# position=[0, 70000e4, -280000e4], # 史蒂文森2-18
cosmic_bg='',
# show_name=True,
show_name=True,
show_control_info=False,
show_exit_button=False,
show_camera_info=False,
show_grid=False,
# view_closely=True,
show_timer=True,
timer_enabled=True)
......
simulators/ursina/entities/entity_utils.py
浏览文件 @ 68b368fb
......@@ -31,9 +31,14 @@ def create_name_text(parent):
@return:
"""
text_color = parent.body.text_color
if hasattr(parent.body, "text_scale"):
text_scale = parent.body.text_scale
else:
text_scale = 1
font = find_file("fonts/DroidSansFallback.ttf", UrsinaConfig.CN_FONT)
b_color = parent.body_view.color
name_text = Text(parent.body_view.body.name, scale=1, billboard=True, parent=parent,
font=UrsinaConfig.CN_FONT, background=True,
name_text = Text(parent.body_view.body.name, scale=text_scale, billboard=True, parent=parent,
font=font, background=True,
origin=(0, 0))
name_text.background.color = color.rgba(b_color[0], b_color[1], b_color[2], 0.3)
name_text.resolution = 24
......
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