From 49c30650f5672c2e844d9256617c01273d7db7ae Mon Sep 17 00:00:00 2001
From: march3 <gang.wei@qq.com>
Date: Sat, 18 Mar 2023 19:39:22 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=AA=E9=98=B3=E7=B3=BB=E4=B8=89=E4=BD=93?=
 =?UTF-8?q?=E6=A8=A1=E6=8B=9F=E5=99=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 simulators/views/ursina_view.py | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/simulators/views/ursina_view.py b/simulators/views/ursina_view.py
index f2a0928..caa8717 100644
--- a/simulators/views/ursina_view.py
+++ b/simulators/views/ursina_view.py
@@ -28,6 +28,7 @@ class UrsinaPlayer(FirstPersonController):
     """
 
     """
+
     # body_rotation_speed_control = 1.0
 
     def __init__(self, position, view_azimuth=0, targets=None):
@@ -260,15 +261,18 @@ class Planet(Entity):
             self.clear_trails()
 
     def follow_parent(self):
-        if not hasattr(self.body_view, "bodies_system"):
-            return
-        sys = self.body_view.bodies_system
-        for b in sys.bodies:
-            if self.body_view.body.parent == b:
-                pos = b.position * UrsinaConfig.SCALE_FACTOR
-                self.x = -pos[1]
-                self.y = pos[2]
-                self.z = pos[0]
+        if not hasattr(self, "f_parent"):
+            if not hasattr(self.body_view, "bodies_system"):
+                return
+            sys = self.body_view.bodies_system
+            for b in sys.bodies:
+                if self.body_view.body.parent == b:
+                    self.f_parent = b
+                    break
+        pos = self.f_parent.position * UrsinaConfig.SCALE_FACTOR
+        self.x = -pos[1]
+        self.y = pos[2]
+        self.z = pos[0]
 
     def create_rings(self):
         """
-- 
GitLab