core/collision_manager.py

@@ -309,51 +309,81 @@ class CollisionManager:
             CollisionPlane, CollisionPolygon, Plane, Vec3
         )
         
-        bounds = model.getBounds()
-        if bounds.isEmpty():
+        # 获取考虑变换后的实际尺寸和中心
+        transformed_info = self._getTransformedModelInfo(model)
+        if not transformed_info:
             # 默认小球体
             return CollisionSphere(Point3(0, 0, 0), 1.0)
         
-        center = bounds.getCenter()
-        radius = bounds.getRadius()
+        center = transformed_info['center']
+        radius = transformed_info['radius']
+        actual_size = transformed_info['size']
+        scale_factor = transformed_info['scale_factor']
         
         # 自动选择最适合的形状
         if shape_type == 'auto':
-            shape_type = self._determineOptimalShape(model, bounds)
+            shape_type = self._determineOptimalShape(model, transformed_info)
         
         if shape_type == 'sphere':
-            return CollisionSphere(center, kwargs.get('radius', radius))
+            # 优化球形碰撞体
+            sphere_radius = kwargs.get('radius', radius)
+            
+            # 支持位置偏移
+            pos_offset = kwargs.get('position_offset', Vec3(0, 0, 0))
+            sphere_center = Point3(center.x + pos_offset.x, center.y + pos_offset.y, center.z + pos_offset.z)
+            
+            return CollisionSphere(sphere_center, sphere_radius)
         
         elif shape_type == 'box':
-            # 创建自定义尺寸的包围盒
-            width = kwargs.get('width', bounds.getMax().x - bounds.getMin().x)
-            length = kwargs.get('length', bounds.getMax().y - bounds.getMin().y) 
-            height = kwargs.get('height', bounds.getMax().z - bounds.getMin().z)
+            # 优化盒型碰撞体 - 更精确的尺寸和位置控制（考虑缩放）
+            # 获取自定义尺寸，如果没有提供则使用变换后的实际尺寸
+            width = kwargs.get('width', actual_size.x)
+            length = kwargs.get('length', actual_size.y) 
+            height = kwargs.get('height', actual_size.z)
             
-            # 计算盒子的最小和最大点
+            # 支持位置偏移
+            pos_offset = kwargs.get('position_offset', Vec3(0, 0, 0))
+            box_center = Point3(center.x + pos_offset.x, center.y + pos_offset.y, center.z + pos_offset.z)
+            
+            # 计算盒子的最小和最大点（基于偏移后的中心）
             half_width = width / 2
             half_length = length / 2
             half_height = height / 2
             
-            min_point = Point3(center.x - half_width, center.y - half_length, center.z - half_height)
-            max_point = Point3(center.x + half_width, center.y + half_length, center.z + half_height)
+            min_point = Point3(box_center.x - half_width, box_center.y - half_length, box_center.z - half_height)
+            max_point = Point3(box_center.x + half_width, box_center.y + half_length, box_center.z + half_height)
             return CollisionBox(min_point, max_point)
         
         elif shape_type == 'capsule':
-            # 创建自定义参数的胶囊体
-            custom_height = kwargs.get('height', (bounds.getMax().z - bounds.getMin().z))
-            custom_radius = kwargs.get('radius', min(bounds.getRadius() * 0.5, custom_height * 0.3))
+            # 优化胶囊体碰撞 - 更合理的比例和位置控制（考虑缩放）
+            # 使用变换后的实际高度，或自定义高度
+            custom_height = kwargs.get('height', actual_size.z)
             
-            # 计算胶囊体的两个端点
-            point_a = Point3(center.x, center.y, center.z - custom_height/2 + custom_radius)
-            point_b = Point3(center.x, center.y, center.z + custom_height/2 - custom_radius)
+            # 更合理的半径计算：基于变换后模型宽度的平均值
+            default_radius = min(actual_size.x, actual_size.y) / 2.5  # 稍微小于模型的宽度
+            custom_radius = kwargs.get('radius', min(default_radius, custom_height * 0.4))
+            
+            # 支持位置偏移
+            pos_offset = kwargs.get('position_offset', Vec3(0, 0, 0))
+            capsule_center = Point3(center.x + pos_offset.x, center.y + pos_offset.y, center.z + pos_offset.z)
+            
+            # 计算胶囊体的两个端点（确保半径不会超出高度）
+            effective_height = max(custom_height, custom_radius * 2.1)  # 确保高度至少是半径的2倍多一点
+            point_a = Point3(capsule_center.x, capsule_center.y, capsule_center.z - effective_height/2 + custom_radius)
+            point_b = Point3(capsule_center.x, capsule_center.y, capsule_center.z + effective_height/2 - custom_radius)
             return CollisionCapsule(point_a, point_b, custom_radius)
         
         elif shape_type == 'plane':
-            # 创建平面（适合地面、墙面）
+            # 优化平面碰撞 - 支持位置偏移和更灵活的法向量
             normal = kwargs.get('normal', Vec3(0, 0, 1))
-            point = kwargs.get('point', center)
-            plane = Plane(normal, point)
+            
+            # 支持位置偏移
+            pos_offset = kwargs.get('position_offset', Vec3(0, 0, 0))
+            plane_point = kwargs.get('point', Point3(center.x + pos_offset.x, center.y + pos_offset.y, center.z + pos_offset.z))
+            
+            # 标准化法向量
+            normal.normalize()
+            plane = Plane(normal, plane_point)
             return CollisionPlane(plane)
         
         elif shape_type == 'polygon':
@@ -378,10 +408,10 @@ class CollisionManager:
                 print("⚠️ 多边形至少需要3个顶点，回退到球体")
                 return CollisionSphere(center, radius)
 
-    def _determineOptimalShape(self, model, bounds):
+    def _determineOptimalShape(self, model, transformed_info):
         """根据模型特征自动确定最适合的碰撞体形状"""
-        # 获取模型尺寸比例
-        size = bounds.getMax() - bounds.getMin()
+        # 获取变换后的模型尺寸比例
+        size = transformed_info['size']
         max_dim = max(size.x, size.y, size.z)
         min_dim = min(size.x, size.y, size.z)
         
@@ -410,6 +440,87 @@ class CollisionManager:
         else:  # 其他用包围盒
             return 'box'
     
+    def _getTransformedModelInfo(self, model):
+        """获取考虑变换后的模型信息
+        
+        Args:
+            model: 模型节点
+            
+        Returns:
+            dict: 包含变换后的尺寸、中心、半径等信息
+        """
+        try:
+            # 获取原始包围盒
+            bounds = model.getBounds()
+            if bounds.isEmpty():
+                return None
+            
+            # 获取模型的变换矩阵
+            transform = model.getTransform()
+            scale = model.getScale()
+            
+            # 计算缩放因子（取三轴缩放的平均值）
+            scale_factor = (abs(scale.x) + abs(scale.y) + abs(scale.z)) / 3.0
+            
+            # 获取原始尺寸
+            original_size = bounds.getMax() - bounds.getMin()
+            
+            # 应用缩放到尺寸
+            actual_size = Vec3(
+                original_size.x * abs(scale.x),
+                original_size.y * abs(scale.y), 
+                original_size.z * abs(scale.z)
+            )
+            
+            # 获取变换后的中心点（在世界坐标系中）
+            original_center = bounds.getCenter()
+            if hasattr(model, 'getPos'):
+                # 模型在世界坐标系中的位置
+                world_center = model.getPos(model.getParent() if model.getParent() else model)
+                center = Point3(world_center.x, world_center.y, world_center.z)
+            else:
+                # 如果无法获取世界位置，使用原始中心
+                center = original_center
+            
+            # 计算变换后的半径（考虑缩放）
+            original_radius = bounds.getRadius()
+            transformed_radius = original_radius * scale_factor
+            
+            # 调试信息
+            print(f"🔍 模型 {model.getName()} 变换信息:")
+            print(f"   原始尺寸: {original_size}")
+            print(f"   缩放因子: {scale}")
+            print(f"   变换后尺寸: {actual_size}")
+            print(f"   变换后半径: {transformed_radius:.2f}")
+            
+            return {
+                'center': center,
+                'radius': transformed_radius,
+                'size': actual_size,
+                'scale_factor': scale_factor,
+                'original_size': original_size,
+                'scale': scale,
+                'transform': transform
+            }
+            
+        except Exception as e:
+            print(f"⚠️ 获取模型变换信息失败: {e}")
+            # 回退到原始包围盒
+            bounds = model.getBounds()
+            if bounds.isEmpty():
+                return None
+            
+            original_size = bounds.getMax() - bounds.getMin()
+            return {
+                'center': bounds.getCenter(),
+                'radius': bounds.getRadius(),
+                'size': original_size,
+                'scale_factor': 1.0,
+                'original_size': original_size,
+                'scale': Vec3(1, 1, 1),
+                'transform': None
+            }
+    
     def createMouseRay(self, screen_x, screen_y, mask_types=['SELECTABLE']):
         """创建鼠标射线"""
         # 组合掩码

ui/property_panel.py

@@ -95,11 +95,11 @@ class PropertyPanelManager:
         # 当节点被拖拽后，需要根据新父节点的状态来更新可见性
         self._syncEffectiveVisibility(node)
         self._syncSceneVisibility()
+
     def _syncSceneVisibility(self):
         scene_root = self.world.render
         self._syncEffectiveVisibility(scene_root)
 
-
     def updatePropertyPanel(self, item):
         """更新属性面板显示"""
         if not self._propertyLayout or not self._propertyLayout.parent():
@@ -292,16 +292,19 @@ class PropertyPanelManager:
             def updateXPosition(value):
                 terrain_node.setX(value)
                 self.refreshModelValues(terrain_node)
+
             self.pos_x.valueChanged.connect(updateXPosition)
 
             def updateYPosition(value):
                 terrain_node.setY(value)
                 self.refreshModelValues(terrain_node)
+
             self.pos_y.valueChanged.connect(updateYPosition)
 
             def updateZPosition(value):
                 terrain_node.setZ(value)
                 self.refreshModelValues(terrain_node)
+
             self.pos_z.valueChanged.connect(updateZPosition)
 
             transform_layout.addWidget(self.pos_x, 1, 1)
@@ -563,6 +566,7 @@ class PropertyPanelManager:
         for name in other_controls:
             if hasattr(self, name):
                 setattr(self, name, None)
+
     def _setUserVisible(self, node, visible):
         node.setPythonTag("user_visible", visible)
         self._syncEffectiveVisibility(node)
@@ -830,6 +834,7 @@ class PropertyPanelManager:
                     except:
                         pass
                 setattr(self, name, None)
+
     def _refreshWorldPos(self, model):
         if not hasattr(self, 'worldXSpin'):
             return
@@ -1090,16 +1095,19 @@ class PropertyPanelManager:
         def updateXPosition(value):
             model.setX(value)
             self.refreshModelValues(model)
+
         self.pos_x.valueChanged.connect(updateXPosition)
 
         def updateYPosition(value):
             model.setY(value)
             self.refreshModelValues(model)
+
         self.pos_y.valueChanged.connect(updateYPosition)
 
         def updateZPosition(value):
             model.setZ(value)
             self.refreshModelValues(model)
+
         self.pos_z.valueChanged.connect(updateZPosition)
 
         # 创建并设置 X, Y, Z 标签居中
@@ -1423,8 +1431,11 @@ class PropertyPanelManager:
 
                 if gui_type in ["2d_image", "2d_video_screen"]:
                     scale = gui_element.getScale()
-                    width = scale.getX() if hasattr(scale, 'getX') else scale[0] if isinstance(scale,(tuple, list)) else scale
-                    height = scale.getZ() if hasattr(scale, 'getZ') else scale[1] if isinstance(scale,(tuple, list)) and len(scale) > 1 else scale
+                    width = scale.getX() if hasattr(scale, 'getX') else scale[0] if isinstance(scale,
+                                                                                               (tuple, list)) else scale
+                    height = scale.getZ() if hasattr(scale, 'getZ') else scale[1] if isinstance(scale,
+                                                                                                (tuple, list)) and len(
+                        scale) > 1 else scale
 
                     transform_layout.addWidget(QLabel("宽度"), 4, 0)
                     self.scale_x = QDoubleSpinBox()
@@ -1532,7 +1543,6 @@ class PropertyPanelManager:
                 self.scale_z.valueChanged.connect(lambda v: self.world.gui_manager.editGUIScale(gui_element, "z", v))
                 transform_layout.addWidget(self.scale_z, 3, 3)
 
-
             transform_group.setLayout(transform_layout)
             self._propertyLayout.addWidget(transform_group)
 
@@ -1604,7 +1614,8 @@ class PropertyPanelManager:
             # 显示当前贴图路径（简化显示）
             current_texture_path = gui_element.getTag("texture_path") or "未设置"
             if current_texture_path != "未设置":
-                display_path = current_texture_path if len(current_texture_path) <= 10 else current_texture_path[:7] + "..."
+                display_path = current_texture_path if len(current_texture_path) <= 10 else current_texture_path[
+                                                                                                :7] + "..."
             else:
                 display_path = current_texture_path
             texture_label = QLabel(display_path)
@@ -1653,7 +1664,8 @@ class PropertyPanelManager:
             # 显示当前贴图路径（简化显示）
             current_texture_path = gui_element.getTag("texture_path") or gui_element.getTag("image_path") or "未设置"
             if current_texture_path != "未设置":
-                display_path = current_texture_path if len(current_texture_path) <= 10 else current_texture_path[:7] + "..."
+                display_path = current_texture_path if len(current_texture_path) <= 10 else current_texture_path[
+                                                                                                :7] + "..."
             else:
                 display_path = current_texture_path
             texture_label = QLabel(display_path)
@@ -2811,6 +2823,7 @@ class PropertyPanelManager:
             import traceback
             traceback.print_exc()
             return False
+
     def _selectInfoPanelBackgroundColor(self, info_panel, r_spin, g_spin, b_spin, a_spin):
         """选择信息面板背景颜色"""
         try:
@@ -3376,7 +3389,8 @@ class PropertyPanelManager:
             load_url_btn = QPushButton("加载URL")
             self._current_load_url_btn_3d = load_url_btn
 
-            load_url_btn.clicked.connect(lambda: self._loadVideoFromURLWithOpenCV_3D(video_screen, self.url_input.text().strip()))
+            load_url_btn.clicked.connect(
+                lambda: self._loadVideoFromURLWithOpenCV_3D(video_screen, self.url_input.text().strip()))
             url_layout.addWidget(load_url_btn)
 
             url_group.setLayout(url_layout)
@@ -3470,7 +3484,8 @@ class PropertyPanelManager:
             load_url_btn = QPushButton("加载URL")
             self._current_load_url_btn_2d = load_url_btn
 
-            load_url_btn.clicked.connect(lambda: self._loadVideoFromURLWithOpenCV(video_screen, self.url_input.text().strip()))
+            load_url_btn.clicked.connect(
+                lambda: self._loadVideoFromURLWithOpenCV(video_screen, self.url_input.text().strip()))
             url_layout.addWidget(load_url_btn)
 
             url_group.setLayout(url_layout)
@@ -3754,6 +3769,7 @@ class PropertyPanelManager:
         except Exception as e:
             print(f"❌ 停止视频失败: {e}")
             return False
+
     def _loadNew2DVideo(self, video_screen, item):
         """为2D视频屏幕加载新视频文件"""
         try:
@@ -3941,7 +3957,8 @@ class PropertyPanelManager:
                 print("检测到首次加载，再次调用_loadVideoFromURLWithOpenCV_3D以确保正确显示")
                 from PyQt5.QtCore import QTimer
                 QTimer.singleShot(100, lambda: self._loadVideoFromURLWithOpenCV_3D(video_screen, url))
-                QTimer.singleShot(200,lambda :setattr(self,'_first_load_processed',False)if hasattr(self,'_first_load_processed')else None)
+                QTimer.singleShot(200, lambda: setattr(self, '_first_load_processed', False) if hasattr(self,
+                                                                                                        '_first_load_processed') else None)
 
             # 恢复按钮状态
             update_button_text("加载URL")
@@ -4031,7 +4048,6 @@ class PropertyPanelManager:
             print(f"❌ 停止3D视频失败: {e}")
             return False
 
-
     def _loadNewVideo(self, video_screen, item):
         try:
             file_path, _ = QFileDialog.getOpenFileName(
@@ -4355,7 +4371,6 @@ class PropertyPanelManager:
             traceback.print_exc()
             return False
 
-
     def _updateScriptPropertyPanel(self, game_object):
         """更新脚本属性面板"""
         # 获取对象上的脚本
@@ -4683,7 +4698,6 @@ class PropertyPanelManager:
 
         return unique_names
 
-
     def _updateModelMaterialPanel(self, model):
         """模型材质属性"""
         if model.is_empty():
@@ -4950,8 +4964,6 @@ class PropertyPanelManager:
             # gloss_button.clicked.connect(lambda checked, mat=material: self._selectGlossTexture(mat))
             # self._propertyLayout.addRow("光泽贴图：", gloss_button)
 
-
-
             # 在纹理按钮后添加当前贴图信息显示
             current_row = self._displayCurrentTextures(material, material_layout, current_row)
 
@@ -5101,7 +5113,6 @@ class PropertyPanelManager:
             print(f"检查材质状态时出错: {e}")
             return "未知材质类型（可尝试编辑）"
 
-
     def _getTextureModeString(self, mode):
         """获取纹理模式的字符串表示"""
         from panda3d.core import TextureStage
@@ -5369,8 +5380,6 @@ class PropertyPanelManager:
                 self._applyGlossTexture(material, normalized_path)
                 print(f"已选择光泽贴图:{filename} -> 标准化路径:{normalized_path}")
 
-
-
     # def _applyDiffuseTexture(self, texture_path):
     #     from panda3d.core import TextureStage
     #     try:
@@ -5472,7 +5481,8 @@ class PropertyPanelManager:
                     for i, stage in enumerate(all_stages):
                         tex = node.getTexture(stage)
                         mode_name = self._getTextureModeString(stage.getMode())
-                        print(f"阶段 {i}: {stage.getName()}, Sort: {stage.getSort()}, 模式: {mode_name}, 纹理: {tex.getName() if tex else 'None'}")
+                        print(
+                            f"阶段 {i}: {stage.getName()}, Sort: {stage.getSort()}, 模式: {mode_name}, 纹理: {tex.getName() if tex else 'None'}")
                     print("==========================================")
 
                     print(f"漫反射贴图已成功应用:{texture_path}")
@@ -5602,7 +5612,6 @@ class PropertyPanelManager:
             import traceback
             traceback.print_exc()
 
-
     def _applyRoughnessTexture_FINAL(self, material, texture_path):
         """应用粗糙度贴图 - 先编译后绑定策略"""
         try:
@@ -5642,8 +5651,6 @@ class PropertyPanelManager:
             else:
                 print("✅ 检测到材质已有法线贴图")
 
-
-
             # 5. 检查是否有金属性贴图和透明漫反射贴图，选择合适的PBR效果
             print("🔧 步骤2：检查金属性贴图和透明度设置...")
             has_metallic = self._hasMetallicTexture(node)
@@ -5701,7 +5708,6 @@ class PropertyPanelManager:
                 roughness_stage.setMode(TextureStage.MModulate)
                 node.setTexture(roughness_stage, texture)
 
-
             # 7. 验证效果
             applied_texture = node.getTexture(roughness_stage)
             if applied_texture:
@@ -6439,8 +6445,6 @@ class PropertyPanelManager:
             except:
                 pass
 
-
-
     def _applyEmissionTexture(self, material, texture_path):
         """应用自发光贴图"""
         try:
@@ -7004,7 +7008,8 @@ class PropertyPanelManager:
         if model_index in [1, 3]:  # 自发光或透明模式
             self._refreshMaterialUI()
 
-        print(f"着色模型已更新为: {model_index} ({'自发光' if model_index == 1 else '透明' if model_index == 3 else '默认'})")
+        print(
+            f"着色模型已更新为: {model_index} ({'自发光' if model_index == 1 else '透明' if model_index == 3 else '默认'})")
 
     def _addTransparencyPanel(self, material, material_layout, current_row):
         """添加透明度控制面板"""
@@ -7089,7 +7094,6 @@ class PropertyPanelManager:
         self.world.render_pipeline.prepare_scene(model)
         print(f"[透明] 不透明度={opacity_slider:.2f} 已同步")
 
-
     def _applyTransparentRenderingEffect(self):
         from panda3d.core import TransparencyAttrib
         """为当前选中的模型应用透明渲染效果（简化版本）"""
@@ -7113,7 +7117,6 @@ class PropertyPanelManager:
                         sort=100
                     )
 
-
                     # 让RenderPipeline自动处理透明材质
                     # 当emission.x=3时，RenderPipeline会自动设置正确的渲染参数
                     self.world.render_pipeline.prepare_scene(model)
@@ -7281,7 +7284,8 @@ class PropertyPanelManager:
         presets = {
             "塑料": {"base_color": Vec4(0.8, 0.8, 0.8, 1.0), "roughness": 0.7, "metallic": 0.0, "ior": 1.4},
             "金属": {"base_color": Vec4(0.7, 0.7, 0.7, 1.0), "roughness": 0.1, "metallic": 1.0, "ior": 1.5},
-            "玻璃": {"base_color": Vec4(0.9, 0.9, 1.0, 0.2), "roughness": 0.0, "metallic": 0.0, "ior": 1.5,"shading_model":3,"transparency":0.2},
+            "玻璃": {"base_color": Vec4(0.9, 0.9, 1.0, 0.2), "roughness": 0.0, "metallic": 0.0, "ior": 1.5,
+                     "shading_model": 3, "transparency": 0.2},
             "橡胶": {"base_color": Vec4(0.2, 0.2, 0.2, 1.0), "roughness": 0.9, "metallic": 0.0, "ior": 1.3},
             "木材": {"base_color": Vec4(0.6, 0.4, 0.2, 1.0), "roughness": 0.8, "metallic": 0.0, "ior": 1.3},
             "陶瓷": {"base_color": Vec4(0.9, 0.9, 0.85, 1.0), "roughness": 0.1, "metallic": 0.0, "ior": 1.6},
@@ -7649,7 +7653,6 @@ class PropertyPanelManager:
         sun_group.setLayout(sun_layout)
         self._propertyLayout.addWidget(sun_group)
 
-
     def _onSunAzimuthSliderChanged(self, value):
         """滑块值改变时的回调"""
         try:
@@ -8544,8 +8547,6 @@ except Exception as e:
             print(f"[系统转换] 系统转换失败: {e}")
             return None
 
-
-
     def _playAnimation(self, origin_model):
         actor = self._getActor(origin_model)
         if not actor:
@@ -8570,7 +8571,6 @@ except Exception as e:
                     actor.play(display_name)
                     print(f"『动画播放』：{display_name}")
 
-
     def _pauseAnimation(self, origin_model):
         actor = self._getActor(origin_model)
         if not actor:
@@ -8603,7 +8603,6 @@ except Exception as e:
         origin_model.show()
         print("『动画』停止切换至原始模型")
 
-
     def _loopAnimation(self, origin_model):
         actor = self._getActor(origin_model)
         if not actor:
@@ -8672,7 +8671,8 @@ except Exception as e:
                 actor.stop()
                 if anim_name and actor.getAnimControl(anim_name):
                     actor.getAnimControl(anim_name).pose(0)
-                actor.hide();origin_model.show()
+                actor.hide();
+                origin_model.show()
             elif cmd == "loop":
                 origin_model.hide()
                 actor.show()
@@ -8772,6 +8772,7 @@ except Exception as e:
 
         except Exception as e:
             print(f"创建碰撞面板失败: {e}")
+
     def _addCollisionParameterControls(self, model, layout, start_row, shape_type):
         """添加碰撞参数调整控件"""
         try:
@@ -8840,6 +8841,20 @@ except Exception as e:
         layout.addWidget(radius_label, current_row, 0)
 
         self.collision_radius = self._createCollisionSpinBox(0.1, 100, 2)
+        
+        # 设置基于模型变换后尺寸的默认值
+        if hasattr(self.world, 'collision_manager'):
+            transformed_info = self.world.collision_manager._getTransformedModelInfo(model)
+            if transformed_info:
+                default_radius = transformed_info['radius']
+                self.collision_radius.setValue(default_radius)
+        else:
+            # 回退到原始包围盒
+            bounds = model.getBounds()
+            if not bounds.isEmpty():
+                default_radius = bounds.getRadius()
+                self.collision_radius.setValue(default_radius)
+        
         self.collision_radius.valueChanged.connect(lambda v: self._updateSphereRadius(model, v))
         layout.addWidget(self.collision_radius, current_row, 1)
         current_row += 1
@@ -8859,6 +8874,23 @@ except Exception as e:
         self.collision_length = self._createCollisionSpinBox(0.1, 100, 2)
         self.collision_height = self._createCollisionSpinBox(0.1, 100, 2)
 
+        # 设置基于模型变换后尺寸的默认值
+        if hasattr(self.world, 'collision_manager'):
+            transformed_info = self.world.collision_manager._getTransformedModelInfo(model)
+            if transformed_info:
+                actual_size = transformed_info['size']
+                self.collision_width.setValue(actual_size.x)
+                self.collision_length.setValue(actual_size.y)
+                self.collision_height.setValue(actual_size.z)
+        else:
+            # 回退到原始包围盒
+            bounds = model.getBounds()
+            if not bounds.isEmpty():
+                model_size = bounds.getMax() - bounds.getMin()
+                self.collision_width.setValue(model_size.x)
+                self.collision_length.setValue(model_size.y)
+                self.collision_height.setValue(model_size.z)
+
         layout.addWidget(QLabel("宽度:"), current_row, 0)
         layout.addWidget(self.collision_width, current_row, 1)
         current_row += 1
@@ -8887,6 +8919,24 @@ except Exception as e:
         layout.addWidget(radius_label, current_row, 0)
 
         self.collision_capsule_radius = self._createCollisionSpinBox(0.1, 100, 2)
+        
+        # 设置基于模型变换后尺寸的默认值
+        if hasattr(self.world, 'collision_manager'):
+            transformed_info = self.world.collision_manager._getTransformedModelInfo(model)
+            if transformed_info:
+                actual_size = transformed_info['size']
+                # 更合理的默认半径：基于变换后模型宽度的平均值
+                default_radius = min(actual_size.x, actual_size.y) / 2.5
+                self.collision_capsule_radius.setValue(default_radius)
+        else:
+            # 回退到原始包围盒
+            bounds = model.getBounds()
+            if not bounds.isEmpty():
+                model_size = bounds.getMax() - bounds.getMin()
+                # 更合理的默认半径：基于模型宽度的平均值
+                default_radius = min(model_size.x, model_size.y) / 2.5
+                self.collision_capsule_radius.setValue(default_radius)
+        
         self.collision_capsule_radius.valueChanged.connect(lambda v: self._updateCapsuleRadius(model, v))
         layout.addWidget(self.collision_capsule_radius, current_row, 1)
         current_row += 1
@@ -8895,6 +8945,20 @@ except Exception as e:
         layout.addWidget(height_label, current_row, 0)
 
         self.collision_capsule_height = self._createCollisionSpinBox(0.1, 100, 2)
+        
+        # 设置基于模型变换后高度的默认值
+        if hasattr(self.world, 'collision_manager'):
+            transformed_info = self.world.collision_manager._getTransformedModelInfo(model)
+            if transformed_info:
+                actual_size = transformed_info['size']
+                self.collision_capsule_height.setValue(actual_size.z)
+        else:
+            # 回退到原始包围盒
+            bounds = model.getBounds()
+            if not bounds.isEmpty():
+                model_size = bounds.getMax() - bounds.getMin()
+                self.collision_capsule_height.setValue(model_size.z)
+        
         self.collision_capsule_height.valueChanged.connect(lambda v: self._updateCapsuleHeight(model, v))
         layout.addWidget(self.collision_capsule_height, current_row, 1)
         current_row += 1
@@ -8932,6 +8996,7 @@ except Exception as e:
         self.collision_normal_z.valueChanged.connect(lambda v: self._updatePlaneNormal(model, 'z', v))
 
         return current_row
+
     def _hasCollision(self, model):
         """检查模型是否已有碰撞体"""
         try:
@@ -8941,7 +9006,8 @@ except Exception as e:
             collision_nodes = model.findAllMatches("**/+CollisionNode")
             has_collision = collision_nodes.getNumPaths() > 0
 
-            print(f"碰撞检查：模型 {model.getName()} - {'有' if has_collision else '无'}碰撞 (找到{collision_nodes.getNumPaths()}个碰撞节点)")
+            print(
+                f"碰撞检查：模型 {model.getName()} - {'有' if has_collision else '无'}碰撞 (找到{collision_nodes.getNumPaths()}个碰撞节点)")
 
             return has_collision
         except Exception as e:
@@ -9114,21 +9180,11 @@ except Exception as e:
 
                 print(f"✅ 为模型 {model.getName()} 添加了 {shape_type} 碰撞体")
 
-                # 简单更新按钮状态，不调用完整的状态更新
-                if hasattr(self, 'collision_button'):
-                    self.collision_button.setText("移除碰撞")
-                    try:
-                        self.collision_button.clicked.disconnect()
-                    except:
-                        pass
-                    self.collision_button.clicked.connect(lambda: self._removeCollisionAndUpdate(model))
+                # 重置更新标志，确保状态能够更新
+                self._updating_collision_panel = False
                 
-                if hasattr(self, 'collision_status_text'):
-                    self.collision_status_text.setText("已启用")
-                    self.collision_status_text.setStyleSheet("color: green;")
-                
-                if hasattr(self, 'collision_shape_combo'):
-                    self.collision_shape_combo.setEnabled(False)
+                # 更新面板状态 - 添加参数控件和显示/隐藏按钮
+                self._updateCollisionPanelState(model)
 
             else:
                 print("场景管理器未初始化")
@@ -9153,6 +9209,7 @@ except Exception as e:
 
             # 重置状态并更新界面
             self._previous_collision_state = True  # 强制刷新
+            self._updating_collision_panel = False  # 确保状态能够更新
             self._updateCollisionPanelState(model)
 
         except Exception as e:
@@ -9167,7 +9224,8 @@ except Exception as e:
 
             self._updating_collision_panel = True
 
-            if hasattr(self, 'collision_button') and hasattr(self, 'collision_status_text') and hasattr(self, 'collision_shape_combo'):
+            if hasattr(self, 'collision_button') and hasattr(self, 'collision_status_text') and hasattr(self,
+                                                                                                        'collision_shape_combo'):
                 has_collision = self._hasCollision(model)
 
                 # 更新状态文本和颜色
@@ -9323,73 +9381,176 @@ except Exception as e:
             print(f"加载平面参数失败: {e}")
 
     def _updateCollisionPosition(self, model, axis, value):
-        """更新碰撞位置"""
+        """更新碰撞位置偏移"""
         try:
-            collision_nodes = model.findAllMatches("**/+CollisionNode")
-            for collision_np in collision_nodes:
-                current_pos = collision_np.getPos()
-                if axis == 'x':
-                    collision_np.setPos(value, current_pos.y, current_pos.z)
-                elif axis == 'y':
-                    collision_np.setPos(current_pos.x, value, current_pos.z)
-                elif axis == 'z':
-                    collision_np.setPos(current_pos.x, current_pos.y, value)
-                print(f"更新碰撞位置 {axis}: {value}")
-                break
+            # 防止重复调用导致无限循环
+            if getattr(self, '_updating_collision_position', False):
+                return
+            self._updating_collision_position = True
+            
+            # 获取当前所有位置偏移值
+            pos_x = self.collision_pos_x.value() if hasattr(self, 'collision_pos_x') else 0.0
+            pos_y = self.collision_pos_y.value() if hasattr(self, 'collision_pos_y') else 0.0
+            pos_z = self.collision_pos_z.value() if hasattr(self, 'collision_pos_z') else 0.0
+            
+            # 获取当前碰撞形状类型
+            current_shape = self._getCurrentCollisionShape(model)
+            if not current_shape:
+                return
+            
+            # 重新创建碰撞体，传入位置偏移
+            from panda3d.core import Vec3
+            position_offset = Vec3(pos_x, pos_y, pos_z)
+            
+            # 根据形状类型收集其他参数
+            if current_shape == 'sphere':
+                radius = self.collision_radius.value() if hasattr(self, 'collision_radius') else 1.0
+                self._recreateCollisionShape(model, current_shape, radius=radius, position_offset=position_offset)
+            elif current_shape == 'box':
+                width = self.collision_width.value() if hasattr(self, 'collision_width') else 2.0
+                length = self.collision_length.value() if hasattr(self, 'collision_length') else 2.0
+                height = self.collision_height.value() if hasattr(self, 'collision_height') else 2.0
+                self._recreateCollisionShape(model, current_shape, width=width, length=length, height=height, position_offset=position_offset)
+            elif current_shape == 'capsule':
+                cap_radius = self.collision_capsule_radius.value() if hasattr(self, 'collision_capsule_radius') else 0.5
+                cap_height = self.collision_capsule_height.value() if hasattr(self, 'collision_capsule_height') else 2.0
+                self._recreateCollisionShape(model, current_shape, radius=cap_radius, height=cap_height, position_offset=position_offset)
+            elif current_shape == 'plane':
+                normal_x = self.collision_normal_x.value() if hasattr(self, 'collision_normal_x') else 0
+                normal_y = self.collision_normal_y.value() if hasattr(self, 'collision_normal_y') else 0
+                normal_z = self.collision_normal_z.value() if hasattr(self, 'collision_normal_z') else 1
+                self._recreateCollisionShape(model, current_shape, normal=(normal_x, normal_y, normal_z), position_offset=position_offset)
+            
+            print(f"更新碰撞位置偏移 {axis}: {value}")
+            
         except Exception as e:
             print(f"更新碰撞位置失败: {e}")
+        finally:
+            self._updating_collision_position = False
 
     def _updateSphereRadius(self, model, radius):
         """更新球形半径"""
         try:
-            self._recreateCollisionShape(model, 'sphere', radius=radius)
+            # 防止重复调用导致无限循环
+            if getattr(self, '_updating_sphere_radius', False):
+                return
+            self._updating_sphere_radius = True
+            
+            # 获取当前位置偏移
+            from panda3d.core import Vec3
+            pos_x = self.collision_pos_x.value() if hasattr(self, 'collision_pos_x') else 0.0
+            pos_y = self.collision_pos_y.value() if hasattr(self, 'collision_pos_y') else 0.0
+            pos_z = self.collision_pos_z.value() if hasattr(self, 'collision_pos_z') else 0.0
+            position_offset = Vec3(pos_x, pos_y, pos_z)
+            
+            self._recreateCollisionShape(model, 'sphere', radius=radius, position_offset=position_offset)
             print(f"更新球形半径: {radius}")
         except Exception as e:
             print(f"更新球形半径失败: {e}")
+        finally:
+            self._updating_sphere_radius = False
 
     def _updateBoxSize(self, model, dimension, value):
         """更新盒型尺寸"""
         try:
+            # 防止重复调用导致无限循环
+            if getattr(self, '_updating_box_size', False):
+                return
+            self._updating_box_size = True
+            
             # 获取当前所有尺寸
             width = self.collision_width.value() if hasattr(self, 'collision_width') else value
             length = self.collision_length.value() if hasattr(self, 'collision_length') else value
             height = self.collision_height.value() if hasattr(self, 'collision_height') else value
 
-            self._recreateCollisionShape(model, 'box', width=width, length=length, height=height)
+            # 获取当前位置偏移
+            from panda3d.core import Vec3
+            pos_x = self.collision_pos_x.value() if hasattr(self, 'collision_pos_x') else 0.0
+            pos_y = self.collision_pos_y.value() if hasattr(self, 'collision_pos_y') else 0.0
+            pos_z = self.collision_pos_z.value() if hasattr(self, 'collision_pos_z') else 0.0
+            position_offset = Vec3(pos_x, pos_y, pos_z)
+
+            self._recreateCollisionShape(model, 'box', width=width, length=length, height=height, position_offset=position_offset)
             print(f"更新盒型{dimension}: {value}")
         except Exception as e:
             print(f"更新盒型尺寸失败: {e}")
+        finally:
+            self._updating_box_size = False
 
     def _updateCapsuleRadius(self, model, radius):
         """更新胶囊体半径"""
         try:
+            # 防止重复调用导致无限循环
+            if getattr(self, '_updating_capsule_radius', False):
+                return
+            self._updating_capsule_radius = True
+            
             height = self.collision_capsule_height.value() if hasattr(self, 'collision_capsule_height') else 2.0
-            self._recreateCollisionShape(model, 'capsule', radius=radius, height=height)
+            
+            # 获取当前位置偏移
+            from panda3d.core import Vec3
+            pos_x = self.collision_pos_x.value() if hasattr(self, 'collision_pos_x') else 0.0
+            pos_y = self.collision_pos_y.value() if hasattr(self, 'collision_pos_y') else 0.0
+            pos_z = self.collision_pos_z.value() if hasattr(self, 'collision_pos_z') else 0.0
+            position_offset = Vec3(pos_x, pos_y, pos_z)
+            
+            self._recreateCollisionShape(model, 'capsule', radius=radius, height=height, position_offset=position_offset)
             print(f"更新胶囊体半径: {radius}")
         except Exception as e:
             print(f"更新胶囊体半径失败: {e}")
+        finally:
+            self._updating_capsule_radius = False
 
     def _updateCapsuleHeight(self, model, height):
         """更新胶囊体高度"""
         try:
+            # 防止重复调用导致无限循环
+            if getattr(self, '_updating_capsule_height', False):
+                return
+            self._updating_capsule_height = True
+            
             radius = self.collision_capsule_radius.value() if hasattr(self, 'collision_capsule_radius') else 0.5
-            self._recreateCollisionShape(model, 'capsule', radius=radius, height=height)
+            
+            # 获取当前位置偏移
+            from panda3d.core import Vec3
+            pos_x = self.collision_pos_x.value() if hasattr(self, 'collision_pos_x') else 0.0
+            pos_y = self.collision_pos_y.value() if hasattr(self, 'collision_pos_y') else 0.0
+            pos_z = self.collision_pos_z.value() if hasattr(self, 'collision_pos_z') else 0.0
+            position_offset = Vec3(pos_x, pos_y, pos_z)
+            
+            self._recreateCollisionShape(model, 'capsule', radius=radius, height=height, position_offset=position_offset)
             print(f"更新胶囊体高度: {height}")
         except Exception as e:
             print(f"更新胶囊体高度失败: {e}")
+        finally:
+            self._updating_capsule_height = False
 
     def _updatePlaneNormal(self, model, axis, value):
         """更新平面法向量"""
         try:
+            # 防止重复调用导致无限循环
+            if getattr(self, '_updating_plane_normal', False):
+                return
+            self._updating_plane_normal = True
+            
             # 获取当前法向量
             normal_x = self.collision_normal_x.value() if hasattr(self, 'collision_normal_x') else 0
             normal_y = self.collision_normal_y.value() if hasattr(self, 'collision_normal_y') else 0
             normal_z = self.collision_normal_z.value() if hasattr(self, 'collision_normal_z') else 1
 
-            self._recreateCollisionShape(model, 'plane', normal=(normal_x, normal_y, normal_z))
+            # 获取当前位置偏移
+            from panda3d.core import Vec3
+            pos_x = self.collision_pos_x.value() if hasattr(self, 'collision_pos_x') else 0.0
+            pos_y = self.collision_pos_y.value() if hasattr(self, 'collision_pos_y') else 0.0
+            pos_z = self.collision_pos_z.value() if hasattr(self, 'collision_pos_z') else 0.0
+            position_offset = Vec3(pos_x, pos_y, pos_z)
+
+            self._recreateCollisionShape(model, 'plane', normal=(normal_x, normal_y, normal_z), position_offset=position_offset)
             print(f"更新平面法向量 {axis}: {value}")
         except Exception as e:
             print(f"更新平面法向量失败: {e}")
+        finally:
+            self._updating_plane_normal = False
 
     def _recreateCollisionShape(self, model, shape_type, **kwargs):
         """重新创建碰撞形状（保持位置和可见性）"""
@@ -9753,7 +9914,9 @@ except Exception as e:
                                 if widget and hasattr(widget, 'text'):
                                     # 检查是否是参数相关的标签
                                     text = widget.text()
-                                    if any(keyword in text for keyword in ['位置偏移', 'X:', 'Y:', 'Z:', '半径:', '尺寸:', '宽度:', '长度:', '高度:', '法向量:', 'Nx:', 'Ny:', 'Nz:']):
+                                    if any(keyword in text for keyword in
+                                           ['位置偏移', 'X:', 'Y:', 'Z:', '半径:', '尺寸:', '宽度:', '长度:', '高度:',
+                                            '法向量:', 'Nx:', 'Ny:', 'Nz:']):
                                         widgets_to_remove.append(widget)
 
                 # 移除参数标签