diff --git a/scenes/solar_system_1.py b/scenes/solar_system_1.py index a27faa4d6054b6e4866f872a488e8f39357b5ed0..a343e69b9fccf64cebcf7941150140bb95ef9163 100644 --- a/scenes/solar_system_1.py +++ b/scenes/solar_system_1.py @@ -6,8 +6,8 @@ # link :https://gitcode.net/pythoncr/ # python_version :3.8 # ============================================================================== -from bodies import Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Moon -from common.consts import SECONDS_PER_WEEK, SECONDS_PER_DAY, SECONDS_PER_YEAR +from bodies import Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Moon, Asteroids +from common.consts import SECONDS_PER_WEEK, SECONDS_PER_DAY, SECONDS_PER_YEAR, AU from scenes.func import mayavi_run, ursina_run if __name__ == '__main__': @@ -19,21 +19,24 @@ if __name__ == '__main__': # ===================================================================== # 以下展示的效果为太阳系真实的距离 # 由于宇宙空间尺度非常大，如果按照实际的天体大小，则无法看到天体，因此需要对天体的尺寸进行放大 + sun = Sun(name="太阳", size_scale=0.8e2) # 太阳放大 80 倍，距离保持不变 bodies = [ - Sun(size_scale=0.8e2), # 太阳放大 80 倍，距离保持不变 - Mercury(size_scale=4e3), # 水星放大 4000 倍，距离保持不变 - Venus(size_scale=4e3), # 金星放大 4000 倍，距离保持不变 - Earth(size_scale=4e3), # 地球放大 4000 倍，距离保持不变 - Mars(size_scale=4e3), # 火星放大 4000 倍，距离保持不变 - Jupiter(size_scale=0.8e3), # 木星放大 800 倍，距离保持不变 - Saturn(size_scale=0.8e3), # 土星放大 800 倍，距离保持不变 - Uranus(size_scale=0.8e3), # 天王星放大 800 倍，距离保持不变 - Neptune(size_scale=1e3), # 海王星放大 1000 倍，距离保持不变 - Pluto(size_scale=10e3), # 冥王星放大 10000 倍，距离保持不变(从太阳系的行星中排除) + sun, + Mercury(name="水星", size_scale=4e3), # 水星放大 4000 倍，距离保持不变 + Venus(name="金星", size_scale=4e3), # 金星放大 4000 倍，距离保持不变 + Earth(name="地球", size_scale=4e3), # 地球放大 4000 倍，距离保持不变 + Mars(name="火星", size_scale=4e3), # 火星放大 4000 倍，距离保持不变 + Asteroids(name="小行星群", size_scale=3.2e2, + parent=sun), # 小行星群模拟(仅 ursina 模拟器支持) + Jupiter(name="木星", size_scale=0.8e3), # 木星放大 800 倍，距离保持不变 + Saturn(name="土星", size_scale=0.8e3), # 土星放大 800 倍，距离保持不变 + Uranus(name="天王星", size_scale=0.8e3), # 天王星放大 800 倍，距离保持不变 + Neptune(name="海王星", size_scale=1e3), # 海王星放大 1000 倍，距离保持不变 + Pluto(name="冥王星", size_scale=10e3), # 冥王星放大 10000 倍，距离保持不变(从太阳系的行星中排除) ] # 使用 mayavi 查看的运行效果 # mayavi_run(bodies, SECONDS_PER_WEEK, view_azimuth=-45) # 使用 ursina 查看的运行效果 - ursina_run(bodies, SECONDS_PER_YEAR, position=(0, 0, 0)) \ No newline at end of file + ursina_run(bodies, SECONDS_PER_YEAR, position=(0, 5 * AU, -10 * AU)) # position=左-右+、上+下-、前+后- diff --git a/simulators/ursina/ursina_ui.py b/simulators/ursina/ursina_ui.py index 5e1e79a8ec614f68bf9bb63e540cb12878c9f1ca..40cd13302a14cb0716008562f527f842bd7ab984 100644 --- a/simulators/ursina/ursina_ui.py +++ b/simulators/ursina/ursina_ui.py @@ -149,15 +149,57 @@ class UrsinaUI: else: UrsinaConfig.show_trail = False + def move_camera_to_entity(self, camera_pos: Vec3, entity_pos: Vec3, _distance: float) -> Vec3: + # 计算摄像机到实体的向量 + direction = entity_pos - camera_pos + # 计算当前距离 + current_distance = direction.length() + # 如果当前距离已经小于等于要求的距离，则直接返回实体坐标 + if current_distance <= _distance: + return camera_pos + # 计算需要移动的距离 + _distance = current_distance - _distance + # 根据需要移动的距离计算移动向量 + move_vector = direction.normalized() * _distance + # 返回摄像机移动后的坐标 + return camera_pos + move_vector + + def move_camera_to_entity(self,entity,d): + import math + # print("before",camera.position, entity.position) + camera.position = entity.position #- Vec3(0, 0, d) # 设置摄像机位置 + camera.world_position = entity.position + # camera.rotation = (0, 0, 0) # 重置摄像机旋转角度 + + # print("after",camera.position,entity.position) + + # # 获取相机和实体之间的向量 + # target_vector = entity.position - camera.position + # target_vector.y = 0 # 假设实体在 x-z 平面上，将 y 坐标设为 0 + # + # # 计算旋转角度 + # angle = math.degrees(math.atan2(target_vector.z, target_vector.x)) + # camera.rotation_y = angle # 旋转相机 + + # camera.look_at(entity.position) # 对准指定实体 + def bodies_button_list_click(self, item): if item is not None: # TODO: 先找到位置，确定摄像机的位置 # print("select->", item) # UrsinaConfig.SCALE_FACTOR - x = item.planet.scale_x * 10 - camera.position = item.planet.position + Vec3(-x, 0, 0) - camera.look_at(item.planet) - camera.rotation = (0, 90, 0) + # import copy + # camera_rotation = copy.deepcopy(camera.rotation) + d = item.planet.scale_x * 20 + self.move_camera_to_entity(item.planet, d) + # d = distance(camera.position, item.planet.position) + # camera.look_at(item.planet) + # if d > 1.5 * x: + # move_to = self.move_camera_to_entity(camera.position, item.planet.position, x) + # camera.position = move_to + + # camera_rotation = copy.deepcopy(camera.rotation) + # camera.rotation = (camera_rotation[0], camera_rotation[1], 0) # camera.forward = (1, 0, 0) # 设置相机的方向向量为x轴方向 destroy(self.bodies_button_list) @@ -193,11 +235,14 @@ class UrsinaUI: name = f"{body.name}\t距离：{d:.4f}天文单位" button_dict[name] = callback_action else: + if hasattr(self, "bodies_button_list"): + destroy(self.bodies_button_list) name = f"{body.name}\t距离太远，找不到了" button_dict[name] = lambda: self.bodies_button_list_click(None) if hasattr(self, "bodies_button_list"): destroy(self.bodies_button_list) + self.bodies_button_list = ButtonList(button_dict, font=UrsinaConfig.CN_FONT, button_height=1.5) # self.bodies_button_list.input = self.bodies_button_list_input @@ -235,11 +280,11 @@ class UrsinaUI: def on_slider_run_speed_changed(self): UrsinaConfig.run_speed_factor = self.slider_run_speed_factor.value - def show_text_time_scale_info(self): - if self.text_time_scale_info is not None: - self.text_time_scale_info.disable() - text_time_scale = "控制倍率:" + str(application.time_scale).ljust(4, " ") - text_time_scale_info = Text(text=text_time_scale, position=(-0.8, 0.5), origin=(-1, 1), background=True) + # def show_text_time_scale_info(self): + # if self.text_time_scale_info is not None: + # self.text_time_scale_info.disable() + # text_time_scale = "控制倍率:" + str(application.time_scale).ljust(4, " ") + # text_time_scale_info = Text(text=text_time_scale, position=(-0.8, 0.5), origin=(-1, 1), background=True) # def show_button(self): # b = Button(scale=(0, .25), text='zzz') diff --git a/simulators/ursina_simulator.py b/simulators/ursina_simulator.py index 59a2637880d0459681a442b900dd1d94d84713e2..882c0cf7b31252e37cb9748e3cf72656dc1484fb 100644 --- a/simulators/ursina_simulator.py +++ b/simulators/ursina_simulator.py @@ -168,6 +168,14 @@ class UrsinaSimulator(Simulator): def run(self, dt, **kwargs): window.title = '宇宙模拟器' + + # 设置 camera 的裁剪面和位置 + # camera.clip_plane_near = 0.00000009 + # camera.fov = 120 + # camera.clip_plane_far = 1000 + # camera.position = (0, 10, -20) + # camera.rotation_x = -30 + # 设定时间间隔为0.01秒 interval = 0.01 self.evolve_dt = dt * interval @@ -194,12 +202,6 @@ class UrsinaSimulator(Simulator): if cosmic_bg is not None and os.path.exists(cosmic_bg): self.cosmic_background(cosmic_bg) - # 设置 camera 的裁剪面和位置 - camera.clip_plane_near = 0.1 - # camera.clip_plane_far = 1000 - # camera.position = (0, 10, -20) - # camera.rotation_x = -30 - ui = UrsinaUI() EditorCamera(ignore_paused=True) # 防止打开中文输入法 diff --git a/simulators/views/ursina_view.py b/simulators/views/ursina_view.py index fc4dc52098b8c48cf5087a7ddd98b99c35ddaa67..afa7e391396c0d89220e9d5fa2e36b444dc8539f 100644 --- a/simulators/views/ursina_view.py +++ b/simulators/views/ursina_view.py @@ -47,7 +47,7 @@ class UrsinaPlayer(FirstPersonController): # # camera.add_script(SmoothFollow(targets_parent, offset=(0, 8, -20))) pos = np.array(position) * UrsinaConfig.SCALE_FACTOR - # self.position = Vec3(pos[0], pos[1], pos[2]) + self.position = Vec3(pos[0], pos[1], pos[2]) # 将摄像机位置设置为 x=0、y=1、z=0 的位置 camera.position = Vec3(pos[0], pos[1], pos[2]) # self.position = Vec3(pos[0], pos[1], pos[2]) @@ -95,7 +95,7 @@ class Planet(Entity): if hasattr(self.body_view.body, "torus_stars"): # 创建一个星环小天体群（主要模拟小行星群，非一个天体） - model = create_torus(0.86, 1.02, 64, 4) + model = create_torus(0.75, 1.10, 64, 1) rotation = (90, 0, 0) else: # 创建一个天体