# -*- coding:utf-8 -*-
# title           :月球和地球地形相似模拟
# description     :月球和地球地形相似模拟
# author          :Python超人
# date            :2023-05-01
# link            :https://gitcode.net/pythoncr/
# python_version  :3.8
# ==============================================================================
from bodies import Earth, Moon
from common.consts import SECONDS_PER_DAY, SECONDS_PER_WEEK, SECONDS_PER_MONTH
from sim_scenes.func import ursina_run, camera_look_at, create_sphere_sky
from simulators.ursina.ursina_config import UrsinaConfig
from simulators.ursina.ursina_event import UrsinaEvent

if __name__ == '__main__':
    """
    月球和地球地形相似模拟
    """
    earth = Earth(init_position=[0, 0, 0], rotation_speed=0, rotate_angle=0,
                  init_velocity=[0, 0, 0], size_scale=4e1)  # 地球放大 5 倍，距离保持不变
    moon = Moon(init_position=[0, 0, 0], rotation_speed=0,
                init_velocity=[0, 0, 0], size_scale=8e1)  # 月球放大 10 倍，距离保持不变

    earth.rotation_speed = 0

    bodies = [earth, moon]


    def on_ready():
        # 运行前触发
        create_sphere_sky(scale=8000)


    # 运行前会触发 on_ready
    UrsinaEvent.on_ready_subscription(on_ready)

    # 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, 0, -1000000),
               gravity_works=False,
               cosmic_bg='',
               show_grid=False,
               show_trail=True)