Python超人-宇宙模拟器

sim_lab/vr_demo.py

+# -*- 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
+from simulators.ursina.ursina_event import UrsinaEvent
+
+
+class BlackHole(FixedStar):
+    def __init__(self, name="黑洞", mass=1.9891e35,
+                 init_position=[0, 0, 0],
+                 init_velocity=[0, 0, 0],
+                 color=(0, 0, 0),
+                 # texture="cosmic3.jpg",  # 虫洞
+                 texture="",  # 黑洞
+                 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)
+        # self.glows = (0, 1.015, 0.08, (255, 255, 255))
+
+
+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)
+
+    def on_ready():
+        from ursina import window
+        window.size = (3840, 1920)
+
+    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, 3, position=(1.5 * AU, 0, -5 * AU), show_trail=True)

sim_scenes/funny/black_holes_control_stars.py

@@ -10,15 +10,17 @@ 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
+from bodies import FixedStar, Body
 
 
-class BlackHole(Body):
+class BlackHole(FixedStar):
     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,
+                 # texture="cosmic3.jpg",  # 虫洞
+                 texture="",  # 黑洞
+                 size_scale=1.0, distance_scale=1.0,
                  rotation_speed=0.6130, ignore_mass=False, trail_color=None, show_name=False):
         params = {
             "name": name,
@@ -28,7 +30,7 @@ class BlackHole(Body):
             "density": 1.408e20,
             "color": color,
             "texture": texture,
-            "size_scale": size_scale*10000,
+            "size_scale": size_scale * 10000,
             "distance_scale": distance_scale,
             "rotation_speed": rotation_speed,
             "ignore_mass": ignore_mass,
@@ -36,7 +38,7 @@ class BlackHole(Body):
             "show_name": show_name
         }
         super().__init__(**params)
-
+        # self.glows = (0, 1.015, 0.08, (255, 255, 255))
 
 
 if __name__ == '__main__':