From 4f7935499df4b8b1bfdb1104ebda5db117fec434 Mon Sep 17 00:00:00 2001
From: tian <11429339@qq.com>
Date: Wed, 7 Jan 2026 16:27:38 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E9=A2=84=E8=AE=A1=E7=AE=97?=
 =?UTF-8?q?=E5=92=8Cclashdetective=E6=A3=80=E6=B5=8B=E9=AB=98=E5=BA=A6?=
 =?UTF-8?q?=E4=B8=8D=E4=B8=80=E8=87=B4=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 src/Core/Animation/PathAnimationManager.cs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Core/Animation/PathAnimationManager.cs b/src/Core/Animation/PathAnimationManager.cs
index 90fb60a..e409eb6 100644
--- a/src/Core/Animation/PathAnimationManager.cs
+++ b/src/Core/Animation/PathAnimationManager.cs
@@ -596,7 +596,6 @@ namespace NavisworksTransport.Core.Animation
                     {
                         var colliderBox = collider.BoundingBox();
 
-                        // 🔥 调试日志：输出包围盒信息
                         // 使用改进的精确距离检测方法（先检查相交，再计算精确距离）
                         double preciseDistance = BoundingBoxGeometryUtils.CalculatePreciseDistance(virtualBoundingBox, colliderBox);
                         bool intersects = preciseDistance <= _detectionGap;
@@ -617,7 +616,17 @@ namespace NavisworksTransport.Core.Animation
                                     (virtualBoundingBox.Min.Y + virtualBoundingBox.Max.Y + colliderBox.Min.Y + colliderBox.Max.Y) / 4,
                                     (virtualBoundingBox.Min.Z + virtualBoundingBox.Max.Z + colliderBox.Min.Z + colliderBox.Max.Z) / 4
                                 ),
-                                Item1Position = framePosition,
+                                // 🔥 重要：记录虚拟车辆的包围盒中心，而不是底面中心
+                                // 原因：
+                                // 1. framePosition是路径点，代表车辆在地面上的位置（底面中心）
+                                // 2. ClashDetective移动逻辑使用包围盒中心进行定位
+                                // 3. 如果记录底面中心，ClashDetective会把包围盒中心移动到底面位置，导致车辆下沉半个高度
+                                // 4. 记录包围盒中心可以确保ClashDetective移动后的位置与预计算时的虚拟车辆位置一致
+                                Item1Position = new Point3D(
+                                    framePosition.X,
+                                    framePosition.Y,
+                                    framePosition.Z + (virtualBoundingBox.Max.Z - virtualBoundingBox.Min.Z) / 2
+                                ),
                                 Item2Position = GetObjectPosition(collider),
                                 HasPositionInfo = true
                             };