diff --git a/cpp/inputgeom.cc b/cpp/inputgeom.cc
index 2ee45b5..f85c0de 100644
--- a/cpp/inputgeom.cc
+++ b/cpp/inputgeom.cc
@@ -246,11 +246,11 @@ namespace f8
             verts_.push_back(0);
             verts_.push_back(-height);
 
-            verts_.push_back(width);
+            verts_.push_back(-width);
             verts_.push_back(0);
             verts_.push_back(-height);
 
-            verts_.push_back(width);
+            verts_.push_back(-width);
             verts_.push_back(0);
             verts_.push_back(0);
         }
diff --git a/cpp/inputgeom.h b/cpp/inputgeom.h
index 67b5b27..33ae976 100644
--- a/cpp/inputgeom.h
+++ b/cpp/inputgeom.h
@@ -40,6 +40,13 @@ namespace f8
 	const int* GetTris() const { return !tris_.empty() ? &tris_[0] : nullptr; }
 	int GetTriCount() const { return tris_.size() / 3; }
         const rcChunkyTriMesh* GetChunkyMesh() { return &chunky_mesh_; }
+	int GetOffMeshConnectionCount() const { return 0; }
+	const float* GetOffMeshConnectionVerts() const { return nullptr; }
+	const float* GetOffMeshConnectionRads() const { return nullptr; }
+	const unsigned char* GetOffMeshConnectionDirs() const { return nullptr; }
+	const unsigned char* GetOffMeshConnectionAreas() const { return nullptr; }
+	const unsigned short* GetOffMeshConnectionFlags() const { return nullptr; }
+	const unsigned int* GetOffMeshConnectionId() const { return 0; }
 
     private:
         float min_[3] = {0};