Python超人-宇宙模拟器

sim_scenes/featured/trans_earth_3d.py

+# -*- coding:utf-8 -*-
+# title           :地球3D效果
+# description     :地球3D效果
+# author          :Python超人
+# date            :2023-05-01
+# link            :https://gitcode.net/pythoncr/
+# python_version  :3.8
+# ==============================================================================
+from bodies import Earth
+from common.consts import SECONDS_PER_HOUR
+from sim_scenes.func import ursina_run, create_sphere_sky
+from sim_scenes.universe_sim_scenes import UniverseSimScenes
+from simulators.ursina.ursina_event import UrsinaEvent
+
+if __name__ == '__main__':
+    """
+    地球3D效果（透视3D地球）
+    """
+    # 创建带有云层的地球
+    earth = Earth(
+        # texture="earth_hd.jpg",
+        texture="earth_hd_trans.png",
+        rotate_angle=-23.44,
+        init_position=[0, 0, 0],
+        init_velocity=[0, 0, 0],
+        size_scale=1)
+    # 创建云层（texture纹理图使用了透明云层的图片，云层的 size_scale 要稍微比地球大一点）
+    clouds = Earth(name="地球云层", texture="transparent_clouds.png",
+                   rotate_angle=-23.44,
+                   size_scale=1.001, parent=earth)
+
+    bodies = [earth, clouds]
+
+    # 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=1000)
+
+    UniverseSimScenes.set_window_size((1920, 1079), False)
+
+    sky = None
+
+
+    def on_ready():
+        global sky
+        sky = create_sphere_sky(texture="bg_pan2.jpg", scale=10000, rotation_x=20, rotation_y=160, rotation_z=20)
+
+
+    def on_timer_changed(time_data):
+        global sky, earth
+
+        # print(earth.planet.rotation_y)
+
+        sky.rotation_z -= 0.04
+        print(earth.planet.rotation_y)
+        if abs(earth.planet.rotation_y) > 380:
+            exit(0)
+
+
+    UrsinaEvent.on_ready_subscription(on_ready)
+    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
+    # position = 左-右+、上+下-、前+后-
+    ursina_run(bodies, SECONDS_PER_HOUR / 5,
+               position=(1.8 * earth.radius, 0, -38000),
+               cosmic_bg="",  # 无背景（黑色）
+               show_grid=False,  # 不显示网格
+               timer_enabled=True,
+               show_camera_info=False,  # 不显示摄像机信息
+               show_control_info=False,  # 不显示控制提示信息
+               view_closely=0.001)  # 近距离观看 view_closely=True或0.001