diff --git a/src/thirdparty/recast/Detour/Include/DetourNavMeshQuery.h b/src/thirdparty/recast/Detour/Include/DetourNavMeshQuery.h
index a4047568..17e4580a 100644
--- a/src/thirdparty/recast/Detour/Include/DetourNavMeshQuery.h
+++ b/src/thirdparty/recast/Detour/Include/DetourNavMeshQuery.h
@@ -575,6 +575,26 @@ public:
 	dtStatus getEdgeMidPoint(dtPolyRef from, const dtPoly* fromPoly, const dtMeshTile* fromTile,
 							 dtPolyRef to, const dtPoly* toPoly, const dtMeshTile* toTile,
 							 float* mid) const;
+
+	/// Returns edge normal between two polygons.
+	///  @param[in]		from		The reference to the start poly.
+	///  @param[in]		to			The reference to the end poly.
+	///  @param[out]	norm		The normal of the edge.
+	/// @returns The status flags for the query.
+	dtStatus getEdgeNormal(dtPolyRef from, dtPolyRef to, float* norm) const;
+
+	/// Returns edge normal between two polygons.
+	///  @param[in]		from		The reference to the start poly.
+	///  @param[in]		fromPoly	The start poly.
+	///  @param[in]		fromTile	The start tile.
+	///  @param[in]		to			The reference to the end poly.
+	///  @param[in]		toPoly		The end poly.
+	///  @param[in]		toTile		The end tile.
+	///  @param[out]	norm		The normal point of the edge.
+	/// @returns The status flags for the query.
+	dtStatus getEdgeNormal(dtPolyRef from, const dtPoly* fromPoly, const dtMeshTile* fromTile,
+							 dtPolyRef to, const dtPoly* toPoly, const dtMeshTile* toTile,
+							 float* mid) const;
 	/// @}
 	
 private:
diff --git a/src/thirdparty/recast/Detour/Source/DetourNavMeshQuery.cpp b/src/thirdparty/recast/Detour/Source/DetourNavMeshQuery.cpp
index cab4cbbe..398498d0 100644
--- a/src/thirdparty/recast/Detour/Source/DetourNavMeshQuery.cpp
+++ b/src/thirdparty/recast/Detour/Source/DetourNavMeshQuery.cpp
@@ -2325,9 +2325,7 @@ dtStatus dtNavMeshQuery::getEdgeMidPoint(dtPolyRef from, dtPolyRef to, float* mi
 	unsigned char fromType, toType;
 	if (dtStatusFailed(getPortalPoints(from, to, left,right, fromType, toType)))
 		return DT_FAILURE | DT_INVALID_PARAM;
-	mid[0] = (left[0]+right[0])*0.5f;
-	mid[1] = (left[1]+right[1])*0.5f;
-	mid[2] = (left[2]+right[2])*0.5f;
+	rdVsad(mid, left,right, 0.5f);
 	return DT_SUCCESS;
 }
 
@@ -2338,13 +2336,34 @@ dtStatus dtNavMeshQuery::getEdgeMidPoint(dtPolyRef from, const dtPoly* fromPoly,
 	float left[3], right[3];
 	if (dtStatusFailed(getPortalPoints(from, fromPoly, fromTile, to, toPoly, toTile, left, right)))
 		return DT_FAILURE | DT_INVALID_PARAM;
-	mid[0] = (left[0]+right[0])*0.5f;
-	mid[1] = (left[1]+right[1])*0.5f;
-	mid[2] = (left[2]+right[2])*0.5f;
+	rdVsad(mid, left,right, 0.5f);
 	return DT_SUCCESS;
 }
 
+dtStatus dtNavMeshQuery::getEdgeNormal(dtPolyRef from, dtPolyRef to, float* norm) const
+{
+	float left[3], right[3];
+	unsigned char fromType, toType;
+	if (dtStatusFailed(getPortalPoints(from, to, left,right, fromType, toType)))
+		return DT_FAILURE | DT_INVALID_PARAM;
+	float dir[3];
+	rdVsub(dir, right,left);
+	rdPerpDirEdge2D(dir, false, norm);
+	return DT_SUCCESS;
+}
 
+dtStatus dtNavMeshQuery::getEdgeNormal(dtPolyRef from, const dtPoly* fromPoly, const dtMeshTile* fromTile,
+										 dtPolyRef to, const dtPoly* toPoly, const dtMeshTile* toTile,
+										 float* norm) const
+{
+	float left[3], right[3];
+	if (dtStatusFailed(getPortalPoints(from, fromPoly, fromTile, to, toPoly, toTile, left, right)))
+		return DT_FAILURE | DT_INVALID_PARAM;
+	float dir[3];
+	rdVsub(dir, right,left);
+	rdPerpDirEdge2D(dir, false, norm);
+	return DT_SUCCESS;
+}
 
 /// @par
 ///