Python超人-宇宙模拟器

objs/README.md

@@ -4,3 +4,4 @@
 ```
 # 模型下载
 https://opengameart.org
+https://www.3dcool.net

objs/obj.py

@@ -477,20 +477,23 @@ class Obj(metaclass=ABCMeta):
 
         return body_data
 
-    def show_demo(self, size_scale=10000):
+    def show_demo(self, size_scale=10000, on_ready_fun=None):
         from sim_scenes.func import ursina_run
         from sim_scenes.func import camera_look_at
         from simulators.ursina.ursina_event import UrsinaEvent
 
         self.size_scale = size_scale
-        self.init_position = np.array([0, -3000000, 9000000])
+        # self.init_position = np.array([0, -3000000, 9000000])
+        self.init_position = np.array([0, 0, 0])
         def on_ready():
             camera_look_at(self)
+            if callable(on_ready_fun):
+                on_ready_fun()
 
         # 运行前会触发 on_ready
         UrsinaEvent.on_ready_subscription(on_ready)
 
-        ursina_run(bodies=[self], position=(0, 0, 0))
+        ursina_run(bodies=[self], position=(0, 3000000, -9000000))
 
 
 if __name__ == '__main__':

objs/water_drop.py

+# -*- coding:utf-8 -*-
+# title           :水滴
+# description     :水滴
+# author          :Python超人
+# date            :2023-08-02
+# link            :https://gitcode.net/pythoncr/
+# python_version  :3.8
+# ==============================================================================
+from objs.obj import Obj
+
+
+class WaterDrop(Obj):
+    """
+    水滴
+    来源：https://www.cgmodel.com/model/500318.html
+    """
+
+    def __init__(self, name="水滴", mass=5.97237e24,
+                 init_position=[0, 0, 0],
+                 init_velocity=[0, 0, 0],
+                 texture="drops.png", size_scale=1.0, distance_scale=1.0,
+                 ignore_mass=False, density=1e3, color=(7, 0, 162),
+                 trail_color=None, show_name=False,
+                 model="drops.obj", rotation=(0, 0, 0),
+                 parent=None, gravity_only_for=[]):
+        params = {
+            "name": name,
+            "mass": mass,
+            "init_position": init_position,
+            "init_velocity": init_velocity,
+            "density": density,
+            "color": color,
+            "texture": texture,
+            "size_scale": size_scale,
+            "distance_scale": distance_scale,
+            "ignore_mass": ignore_mass,
+            "trail_color": trail_color,
+            "show_name": show_name,
+            "parent": parent,
+            "rotation": rotation,
+            "gravity_only_for": gravity_only_for,
+            "model": model
+        }
+        super().__init__(**params)
+
+
+if __name__ == '__main__':
+    water_drop = WaterDrop(
+        # texture="drops_normal.png"
+        # texture="drops_uvw.png"
+        texture="drops.png"
+    )
+    water_drop.init_velocity = [0, 0, -10]
+    print(water_drop)
+
+
+    def on_ready():
+        water_drop.planet.rotation_x = 90
+
+
+    water_drop.show_demo(size_scale=1000000, on_ready_fun=on_ready)