Python超人-宇宙模拟器

simulators/ursina/ursina_mesh.py

@@ -471,8 +471,8 @@ def create_line(from_pos, to_pos, parent=None, alpha=1.0, len_scale=1, set_light
     return line
 
 
-def create_circle(parent=None, pos=Vec3(0, 0, 0), thickness=1, scale=1, color=color.white, alpha=1):
-    circle = Entity(parent=parent, model="circle", thickness=thickness, scale=scale, position=pos,
+def create_circle(parent=None, pos=Vec3(0, 0, 0), thickness=1, scale=1, color=color.white, alpha=1, texture=None):
+    circle = Entity(parent=parent, model="circle", texture=texture, thickness=thickness, scale=scale, position=pos,
                     color=color, alpha=alpha, double_sided=True)
     return circle
 

simulators/ursina_simulator.py

@@ -99,7 +99,7 @@ class UrsinaSimulator(Simulator):
                 c.enabled = False
 
         # Explosion animation
-        def body_explode(target=None, scale=1, fps=6):
+        def body_explode(target=None, scale=1, fps=6, explode_dir=None, explode_name="explosion"):
             # from panda3d.core import GeomUtils
             if body.planet.enabled:
                 # TODO:下面代码保留，由于运行太快导致两个天体不是在表面碰撞，这样就要进行计算，希望在表面爆炸，但是需要耗费CPU资源，暂时注释
@@ -120,8 +120,14 @@ class UrsinaSimulator(Simulator):
                 # 如果爆炸，则静止不动（停止并忽略引力）
                 body.stop_and_ignore_gravity()
                 body.planet.enabled = False
-                explosion_file = find_file("images/explosion")
-                explosion_file = os.path.join(explosion_file, "explosion")
+                if explode_dir is None:
+                    explode_dir = "images/explosion"
+
+                explosion_file = find_file(explode_dir)
+                if not os.path.exists(explosion_file):
+                    return
+
+                explosion_file = os.path.join(explosion_file, explode_name)
                 # 获取体积数据（开三次方）
                 volume_scale = pow(body.planet.model.get_bounds().volume, 1 / 3)
                 # 根据体积、大小缩放判断爆炸的量