From ac4f15313af0f5dca14826b83a5223dcc5685945 Mon Sep 17 00:00:00 2001 From: march3 Date: Sat, 22 Apr 2023 18:07:56 +0800 Subject: [PATCH] =?UTF-8?q?Python=E8=B6=85=E4=BA=BA-=E5=AE=87=E5=AE=99?= =?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 --- sim_lab/earth_moon.py | 3 + .../science => sim_lab}/lagrangian_points.py | 0 sim_scenes/earth/earth_satellites.py | 3 + sim_scenes/funny/dancing_with_jupiter.py | 3 + sim_scenes/science/earth_seasons.py | 3 + sim_scenes/science/parabolic_curve.py | 55 ++++++++++--------- sim_scenes/science/speed_of_light_init.py | 5 +- sim_scenes/solar_system/earth_moon.py | 2 + sim_scenes/solar_system/jupiter_system.py | 2 + sim_scenes/wonders/comets_jupiter.py | 16 ++++-- sim_scenes/wonders/sun_earth_moon.py | 3 +- .../wonders/transit_of_venus_mercury.py | 3 + simulators/ursina/entities/body_timer.py | 1 + simulators/ursina/entities/planet.py | 3 +- 14 files changed, 69 insertions(+), 33 deletions(-) rename {sim_scenes/science => sim_lab}/lagrangian_points.py (100%) diff --git a/sim_lab/earth_moon.py b/sim_lab/earth_moon.py index 1ccbb6d..fc850c9 100644 --- a/sim_lab/earth_moon.py +++ b/sim_lab/earth_moon.py @@ -66,7 +66,10 @@ if __name__ == '__main__': pass + # 订阅事件后，上面2个函数功能才会起作用 + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(on_timer_changed) + # 运行前会触发 on_ready UrsinaEvent.on_ready_subscription(on_ready) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/science/lagrangian_points.py b/sim_lab/lagrangian_points.py similarity index 100% rename from sim_scenes/science/lagrangian_points.py rename to sim_lab/lagrangian_points.py diff --git a/sim_scenes/earth/earth_satellites.py b/sim_scenes/earth/earth_satellites.py index a0cf1bc..8db3687 100644 --- a/sim_scenes/earth/earth_satellites.py +++ b/sim_scenes/earth/earth_satellites.py @@ -51,7 +51,10 @@ if __name__ == '__main__': info["satellite"].planet.look_at(earth.planet) + # 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(on_ready) + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/funny/dancing_with_jupiter.py b/sim_scenes/funny/dancing_with_jupiter.py index 8ced241..9a12a2f 100644 --- a/sim_scenes/funny/dancing_with_jupiter.py +++ b/sim_scenes/funny/dancing_with_jupiter.py @@ -44,7 +44,10 @@ if __name__ == '__main__': create_line(from_pos=jupiter.planet.position, to_pos=dancer.planet.main_entity.position, color=color.white) + # 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(on_ready) + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/science/earth_seasons.py b/sim_scenes/science/earth_seasons.py index 6d9c79d..ae4a969 100644 --- a/sim_scenes/science/earth_seasons.py +++ b/sim_scenes/science/earth_seasons.py @@ -96,7 +96,10 @@ if __name__ == '__main__': # print(camera.rotation_y) + # 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(on_ready) + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/science/parabolic_curve.py b/sim_scenes/science/parabolic_curve.py index dcb0e35..b8da0a4 100644 --- a/sim_scenes/science/parabolic_curve.py +++ b/sim_scenes/science/parabolic_curve.py @@ -16,18 +16,19 @@ from simulators.ursina.ursina_event import UrsinaEvent def create_ejected_object(velocity, raduis, trail_color, gravity_only_for, angle=10): """ - 创建一个被抛的物体 + 创建一个抛出物体 @param velocity: 抛出去的速度 - @param raduis: 物体地球中心的半径 + @param raduis: 地球中心的半径 @param trail_color: 轨迹颜色 + @param gravity_only_for: 指定一个天体，被抛的物体的引力只对该天体有效 @param angle: 抛出去的角度（地平线夹角，默认为10） @return: """ # 根据速度、角度获取矢量速度（vx、vy） -> vx² + vy² = velocity² vx, vy = get_vector2d_velocity(velocity, angle=angle) - football = Football(name=f'物体速度:{velocity}', mass=500, size_scale=1e3, trail_color=trail_color, - init_position=[0, raduis, 0], - init_velocity=[vx, vy, 0], gravity_only_for=[gravity_only_for]) # 仅适用于地球的重力，物体之间重力不要受到影响 + football = Football(name=f'物体速度:{velocity}', mass=500, size_scale=1e3, + trail_color=trail_color, init_position=[0, raduis + 500, 0], + init_velocity=[vx, vy, 0], gravity_only_for=[gravity_only_for]) return football @@ -38,43 +39,47 @@ if __name__ == '__main__': # 地球在中心位置 earth = Earth(init_position=[0, 0, 0], init_velocity=[0, 0, 0], size_scale=1, rotation_speed=0, texture="earth_hd.jpg") - raduis = earth.raduis + 300 - # TODO: 4个不同的抛出速度 7.5km/s、8.5km/s、10km/s、11.2km/s（第二宇宙速度） - # 粉色：velocity = 7.5，飞不出地球太远，就落地 + raduis = earth.raduis + # TODO: 创建4个不同的抛出速度的物体，速度分别为：7.5km/s、8.5km/s、10km/s、11.2km/s（第二宇宙速度） + # 粉色拖尾：velocity = 7.5，飞不出地球太远，就落地（仅适用于地球的重力，物体之间重力不要受到影响） obj0 = create_ejected_object(velocity=7.5, raduis=raduis, trail_color=(255, 0, 255), gravity_only_for=earth) - # 红色：velocity = 8.5，飞不出地球太远，就落地 + # 红色拖尾：velocity = 8.5，飞不出地球太远，就落地 obj1 = create_ejected_object(velocity=8.5, raduis=raduis, trail_color=(255, 0, 0), gravity_only_for=earth) - # 绿色：velocity = 10，能飞出地球很远，但还是无法摆脱地球引力 + # 绿色拖尾：velocity = 10，能飞出地球很远，但还是无法摆脱地球引力 obj2 = create_ejected_object(velocity=10, raduis=raduis, trail_color=(0, 255, 0), gravity_only_for=earth) - # 蓝色：velocity = 11.2，脱离地球引力直接飞出。速度11.2千米/秒为脱离地球引力的速度叫第二宇宙速度 + # 蓝色拖尾：velocity = 11.2，脱离地球引力直接飞出。速度11.2千米/秒为脱离地球引力的速度叫第二宇宙速度 obj3 = create_ejected_object(velocity=11.2, raduis=raduis, trail_color=(0, 0, 255), gravity_only_for=earth) bodies = [earth, obj0, obj1, obj2, obj3] - def on_timer_changed(time_data: TimeData): + def on_reset(): """ - 定时触发，在10分钟后，进行碰撞判断，如果抛出物与地球相碰撞了，则抛出物体静止不动 - @param time_data: + 当按键盘的 “O” 键重置后，恢复所有抛出物的状态（引力有效），这样就可以反复观看 @return: """ - if time_data.total_minutes > 10: - # 抛出物体10分钟后，再进行碰撞判断 - for obj in [obj0, obj1, obj2, obj3]: - # 循环判断每个抛出物与地球是否相碰撞 - if two_bodies_colliding(obj, earth): - # 如果抛出物与地球相碰撞了，则静止不动（抛出物停止并忽略引力） - obj.stop_and_ignore_gravity() + for obj in [obj0, obj1, obj2, obj3]: + obj.ignore_mass = False - def on_reset(): + def on_timer_changed(time_data: TimeData): + """ + 在运行中，每时每刻都会触发，对抛出物与地球的碰撞进行判断，如果碰到地球，则停止运动 + @param time_data: + @return: + """ for obj in [obj0, obj1, obj2, obj3]: - obj.ignore_mass = False + # 循环判断每个抛出物与地球是否相碰撞 + if two_bodies_colliding(obj, earth): + # 如果抛出物与地球相碰撞了，则静止不动（抛出物停止并忽略引力） + obj.stop_and_ignore_gravity() - # 订阅计时器事件（定时触发） - UrsinaEvent.on_timer_changed_subscription(on_timer_changed) + # 订阅事件后，上面2个函数功能才会起作用 + # 按键盘的 “O” 重置键会触发 on_reset UrsinaEvent.on_reset_subscription(on_reset) + # 运行中，每时每刻都会触发 on_timer_changed + UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 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 diff --git a/sim_scenes/science/speed_of_light_init.py b/sim_scenes/science/speed_of_light_init.py index 9687810..87a88d0 100644 --- a/sim_scenes/science/speed_of_light_init.py +++ b/sim_scenes/science/speed_of_light_init.py @@ -94,7 +94,7 @@ class SpeedOfLightInit: def on_reset(self): """ - 点击了重置按钮触发 + 当按键盘的 “O” 键重置后会触发 @return: """ if hasattr(self, "run_speed_maps"): @@ -117,9 +117,12 @@ class SpeedOfLightInit: raise Exception("请指定 SpeedOfLightInit.bodies") # 订阅重新开始事件 + # 按键盘的 “O” 重置键会触发 on_reset UrsinaEvent.on_reset_subscription(self.on_reset) + # 运行前会触发 on_ready UrsinaEvent.on_ready_subscription(self.on_ready) # 订阅计时器事件（记录已到达天体列表） + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(self.on_timer_changed) def light_body_input(self, key): diff --git a/sim_scenes/solar_system/earth_moon.py b/sim_scenes/solar_system/earth_moon.py index 770bcd3..cdf114a 100644 --- a/sim_scenes/solar_system/earth_moon.py +++ b/sim_scenes/solar_system/earth_moon.py @@ -37,6 +37,8 @@ if __name__ == '__main__': camera_look_at(earth) + # 订阅事件后，上面的函数功能才会起作用 + # 运行前会触发 on_ready UrsinaEvent.on_ready_subscription(on_ready) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/solar_system/jupiter_system.py b/sim_scenes/solar_system/jupiter_system.py index 7533d04..9cd591f 100644 --- a/sim_scenes/solar_system/jupiter_system.py +++ b/sim_scenes/solar_system/jupiter_system.py @@ -31,6 +31,8 @@ if __name__ == '__main__': pass + # 订阅事件后，上面的函数功能才会起作用 + # 运行前会触发 on_ready UrsinaEvent.on_ready_subscription(on_ready) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/wonders/comets_jupiter.py b/sim_scenes/wonders/comets_jupiter.py index 6bfc831..89cdd4a 100644 --- a/sim_scenes/wonders/comets_jupiter.py +++ b/sim_scenes/wonders/comets_jupiter.py @@ -65,7 +65,10 @@ if __name__ == '__main__': def on_reset(): - # 重置后恢复所有石头的状态（石头可见、引力有效） + """ + 当按键盘的 “O” 键重置后，恢复所有石头的状态（石头可见、引力有效），这样就可以反复观看 + @return: + """ for comet in comets: comet.set_visible(True) comet.ignore_mass = False @@ -91,10 +94,13 @@ if __name__ == '__main__': comet.explode(jupiter) - # 订阅事件 - UrsinaEvent.on_reset_subscription(on_reset) # 重置了会触发 on_reset - UrsinaEvent.on_ready_subscription(on_ready) # 运行前会触发 on_ready - UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 运行中，每时每刻都会触发 on_timer_changed + # 订阅事件后，上面3个函数功能才会起作用 + # 按键盘的 “O” 重置键会触发 on_reset + UrsinaEvent.on_reset_subscription(on_reset) + # 运行前会触发 on_ready + UrsinaEvent.on_ready_subscription(on_ready) + # 运行中，每时每刻都会触发 on_timer_changed + UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 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 diff --git a/sim_scenes/wonders/sun_earth_moon.py b/sim_scenes/wonders/sun_earth_moon.py index f322a49..ee73202 100644 --- a/sim_scenes/wonders/sun_earth_moon.py +++ b/sim_scenes/wonders/sun_earth_moon.py @@ -46,7 +46,8 @@ if __name__ == '__main__': camera_look_at(moon, rotation_z=0) - # 订阅计时器事件（定时触发） + # 订阅事件后，上面的函数功能才会起作用 + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 使用 ursina 查看的运行效果 diff --git a/sim_scenes/wonders/transit_of_venus_mercury.py b/sim_scenes/wonders/transit_of_venus_mercury.py index 16355ab..5be4d31 100644 --- a/sim_scenes/wonders/transit_of_venus_mercury.py +++ b/sim_scenes/wonders/transit_of_venus_mercury.py @@ -57,7 +57,10 @@ if __name__ == '__main__': earth.look_at(sun, rotation_z=0) + # 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(on_ready) + # 运行中，每时每刻都会触发 on_timer_changed UrsinaEvent.on_timer_changed_subscription(on_timer_changed) # 使用 ursina 查看的运行效果 diff --git a/simulators/ursina/entities/body_timer.py b/simulators/ursina/entities/body_timer.py index d99c4d7..1e25bd9 100644 --- a/simulators/ursina/entities/body_timer.py +++ b/simulators/ursina/entities/body_timer.py @@ -66,6 +66,7 @@ class BodyTimer(Singleton): def __init__(self): if not hasattr(self, "inited"): self.velocity_inc = 1e-30 # 理论上数值越小越好，可以使用 1e-300 ，但建议使用：1e-30 # 0.00001 + # 按键盘的 “O” 重置键会触发 on_reset UrsinaEvent.on_reset_subscription(self.reset) UrsinaEvent.on_pause_subscription(self.pause) UrsinaEvent.on_start_subscription(self.start) diff --git a/simulators/ursina/entities/planet.py b/simulators/ursina/entities/planet.py index 53e4b44..b612d08 100644 --- a/simulators/ursina/entities/planet.py +++ b/simulators/ursina/entities/planet.py @@ -83,8 +83,9 @@ class Planet(Entity): else: model = create_sphere(0.5, subdivisions) rotation = (0, 0, 0) - + # 按键盘的 “O” 重置键会触发 on_reset UrsinaEvent.on_reset_subscription(self.on_reset) + # 当对天体大小进行缩放的时候会触发 change_body_scale UrsinaEvent.on_body_size_changed_subscription(self.change_body_scale) super().__init__( -- GitLab