diff --git a/cocos/3d/CCBundle3D.cpp b/cocos/3d/CCBundle3D.cpp
index 22b4346aee..247cf35e29 100644
--- a/cocos/3d/CCBundle3D.cpp
+++ b/cocos/3d/CCBundle3D.cpp
@@ -2111,6 +2111,29 @@ Reference* Bundle3D::seekToFirstType(unsigned int type, const std::string& id)
     return nullptr;
 }
 
+std::vector<Vec3> Bundle3D::getTrianglesList(const std::string& path)
+{
+    std::vector<Vec3> trianglesList;
+    auto bundle = Bundle3D::createBundle();
+    if (!bundle->load(path))
+    {
+        Bundle3D::destroyBundle(bundle);
+        return trianglesList;
+    }
+    MeshDatas meshs;
+    bundle->loadMeshDatas(meshs);
+    Bundle3D::destroyBundle(bundle);
+    for (auto iter : meshs.meshDatas){
+        int preVertexSize = iter->getPerVertexSize() / sizeof(float);
+        for (auto indexArray : iter->subMeshIndices){
+            for (auto i : indexArray){
+                trianglesList.push_back(Vec3(iter->vertex[i * preVertexSize], iter->vertex[i * preVertexSize + 1], iter->vertex[i * preVertexSize + 2]));
+            }
+        }
+    }
+    return trianglesList;
+}
+
 Bundle3D::Bundle3D()
 : _modelPath(""),
 _path(""),
diff --git a/cocos/3d/CCBundle3D.h b/cocos/3d/CCBundle3D.h
index f9927eeac3..60d681931a 100644
--- a/cocos/3d/CCBundle3D.h
+++ b/cocos/3d/CCBundle3D.h
@@ -85,6 +85,12 @@ public:
     //since 3.3, to support reskin
     virtual bool loadMaterials(MaterialDatas& materialdatas);
     
+    /**
+     * load triangle list
+     * @param path the file path to load
+     */
+    static std::vector<Vec3> getTrianglesList(const std::string& path);
+    
     //load .obj file
     static bool loadObj(MeshDatas& meshdatas, MaterialDatas& materialdatas, NodeDatas& nodedatas, const std::string& fullPath, const char* mtl_basepath = nullptr);
     
diff --git a/tests/cpp-tests/Classes/Physics3DTest/Physics3DTest.cpp b/tests/cpp-tests/Classes/Physics3DTest/Physics3DTest.cpp
index 9a44f80a64..4ffd804477 100644
--- a/tests/cpp-tests/Classes/Physics3DTest/Physics3DTest.cpp
+++ b/tests/cpp-tests/Classes/Physics3DTest/Physics3DTest.cpp
@@ -626,20 +626,7 @@ bool Physics3DTerrainDemo::init()
     }
 
     //create mesh
-    std::vector<Vec3> trianglesList;
-    auto bundle = Bundle3D::createBundle();
-    bundle->load("Sprite3DTest/boss.c3b");
-    MeshDatas meshs;
-    bundle->loadMeshDatas(meshs);
-    Bundle3D::destroyBundle(bundle);
-    for (auto iter : meshs.meshDatas){
-        int preVertexSize = iter->getPerVertexSize() / sizeof(float);
-        for (auto indexArray : iter->subMeshIndices){
-            for (auto i : indexArray){
-                trianglesList.push_back(Vec3(iter->vertex[i * preVertexSize], iter->vertex[i * preVertexSize + 1], iter->vertex[i * preVertexSize + 2]));
-            }
-        }
-    }
+    std::vector<Vec3> trianglesList = Bundle3D::getTrianglesList("Sprite3DTest/boss.c3b");
 
     rbDes.mass = 0.0f;
     rbDes.shape = Physics3DShape::createMesh(&trianglesList[0], (int)trianglesList.size() / 3);
@@ -707,20 +694,7 @@ bool Physics3DCollisionCallbackDemo::init()
         Physics3DRigidBodyDes rbDes;
 
         float scale = 2.0f;
-        std::vector<Vec3> trianglesList;
-        auto bundle = Bundle3D::createBundle();
-        bundle->load("Sprite3DTest/boss.c3b");
-        MeshDatas meshs;
-        bundle->loadMeshDatas(meshs);
-        Bundle3D::destroyBundle(bundle);
-        for (auto iter : meshs.meshDatas){
-            int preVertexSize = iter->getPerVertexSize() / sizeof(float);
-            for (auto indexArray : iter->subMeshIndices){
-                for (auto i : indexArray){
-                    trianglesList.push_back(Vec3(iter->vertex[i * preVertexSize], iter->vertex[i * preVertexSize + 1], iter->vertex[i * preVertexSize + 2]) * scale);
-                }
-            }
-        }
+        std::vector<Vec3> trianglesList = Bundle3D::getTrianglesList("Sprite3DTest/boss.c3b");
 
         rbDes.mass = 0.0f;
         rbDes.shape = Physics3DShape::createMesh(&trianglesList[0], (int)trianglesList.size() / 3);