提交 a6a11fbe 编写于 作者: 三月三net's avatar 三月三net

Python超人-宇宙模拟器

上级 23e36bc3
# -*- coding:utf-8 -*-
# title :三体场景模拟02
# description :三体场景模拟(3个太阳、1个地球)
# author :Python超人
# date :2023-07-26
# link :https://gitcode.net/pythoncr/
# python_version :3.8
# ==============================================================================
from bodies import Sun, Earth
from common.consts import SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_YEAR, AU
from sim_scenes.func import mayavi_run, mpl_run, ursina_run
from bodies import FixedStar,Body
class BlackHole(Body):
def __init__(self, name="黑洞", mass=1.9891e35,
init_position=[0, 0, 0],
init_velocity=[0, 0, 0],
color=(0, 0, 0),
texture="", size_scale=1.0, distance_scale=1.0,
rotation_speed=0.6130, ignore_mass=False, trail_color=None, show_name=False):
params = {
"name": name,
"mass": mass,
"init_position": init_position,
"init_velocity": init_velocity,
"density": 1.408e20,
"color": color,
"texture": texture,
"size_scale": size_scale*10000,
"distance_scale": distance_scale,
"rotation_speed": rotation_speed,
"ignore_mass": ignore_mass,
"trail_color": trail_color,
"show_name": show_name
}
super().__init__(**params)
if __name__ == '__main__':
"""
注释: 3个太阳
可以修改影响效果的参数为:
1、三个方向的初始位置 init_position[x, y, z]
2、三个方向的初始速度 init_velocity[x, y, z]
3、天体质量 mass
"""
# 代码案例如下:
SIZE_SCALE = 5e1 # 生成的太阳放大 50 倍
RUN_DIAMETER = 1.392e6 # 真实太阳的直径
velocity_rate = 22
bodies = [
Sun(name="太阳1", mass=1e30, color=(111, 140, 255), rotation_speed=0.1,
init_position=[-100 * RUN_DIAMETER, 0, 0],
init_velocity=[0.347113 * velocity_rate, 0.532727 * velocity_rate, 0],
size_scale=SIZE_SCALE, texture="fixed_star.png"),
BlackHole(init_position=[-100 * RUN_DIAMETER, 100 * RUN_DIAMETER, 0], size_scale=SIZE_SCALE)
]
# TODO: 开启3D摄像机
from simulators.ursina.entities.camera3d import Camera3d
# 3D摄像机初始化(两眼到鼻梁的距离为1000公里效果)
# Camera3d.init(eye_distance=5000000)
# 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, 3, position=(1.5 * AU, 0, -5 * AU), show_trail=True)
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