diff --git a/src/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp b/src/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp
index d77328f5..c08297dd 100644
--- a/src/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp
+++ b/src/thirdparty/recast/DetourTileCache/Source/DetourTileCacheBuilder.cpp
@@ -532,14 +532,14 @@ static bool walkContour(dtTileCacheLayer& layer, int x, int y, dtTempContour& co
 
 static float distancePtSeg(const int x, const int y,
 						   const int px, const int py,
-						   const int qx, const int qz)
+						   const int qx, const int qy)
 {
 	float pqx = (float)(qx - px);
-	float pqz = (float)(qz - py);
+	float pqy = (float)(qy - py);
 	float dx = (float)(x - px);
 	float dy = (float)(y - py);
-	float d = pqx*pqx + pqz*pqz;
-	float t = pqx*dx + pqz*dy;
+	float d = pqx*pqx + pqy*pqy;
+	float t = pqx*dx + pqy*dy;
 	if (d > 0)
 		t /= d;
 	if (t < 0)
@@ -548,7 +548,7 @@ static float distancePtSeg(const int x, const int y,
 		t = 1;
 	
 	dx = px + t*pqx - x;
-	dy = py + t*pqz - y;
+	dy = py + t*pqy - y;
 	
 	return dx*dx + dy*dy;
 }
diff --git a/src/thirdparty/recast/Recast/Source/Recast.cpp b/src/thirdparty/recast/Recast/Source/Recast.cpp
index 8b284b72..d95ea454 100644
--- a/src/thirdparty/recast/Recast/Source/Recast.cpp
+++ b/src/thirdparty/recast/Recast/Source/Recast.cpp
@@ -482,12 +482,12 @@ bool rcBuildCompactHeightfield(rcContext* context, const int walkableHeight, con
 	// Find neighbour connections.
 	const int MAX_LAYERS = RC_NOT_CONNECTED - 1;
 	int maxLayerIndex = 0;
-	const int zStride = xSize; // for readability
+	const int yStride = xSize; // for readability
 	for (int y = 0; y < ySize; ++y)
 	{
 		for (int x = 0; x < xSize; ++x)
 		{
-			const rcCompactCell& cell = compactHeightfield.cells[x + y * zStride];
+			const rcCompactCell& cell = compactHeightfield.cells[x + y * yStride];
 			for (int i = (int)cell.index, ni = (int)(cell.index + cell.count); i < ni; ++i)
 			{
 				rcCompactSpan& span = compactHeightfield.spans[i];
@@ -496,16 +496,16 @@ bool rcBuildCompactHeightfield(rcContext* context, const int walkableHeight, con
 				{
 					rcSetCon(span, dir, RC_NOT_CONNECTED);
 					const int neighborX = x + rcGetDirOffsetX(dir);
-					const int neighborZ = y + rcGetDirOffsetY(dir);
+					const int neighborY = y + rcGetDirOffsetY(dir);
 					// First check that the neighbour cell is in bounds.
-					if (neighborX < 0 || neighborZ < 0 || neighborX >= xSize || neighborZ >= ySize)
+					if (neighborX < 0 || neighborY < 0 || neighborX >= xSize || neighborY >= ySize)
 					{
 						continue;
 					}
 
 					// Iterate over all neighbour spans and check if any of the is
 					// accessible from current cell.
-					const rcCompactCell& neighborCell = compactHeightfield.cells[neighborX + neighborZ * zStride];
+					const rcCompactCell& neighborCell = compactHeightfield.cells[neighborX + neighborY * yStride];
 					for (int k = (int)neighborCell.index, nk = (int)(neighborCell.index + neighborCell.count); k < nk; ++k)
 					{
 						const rcCompactSpan& neighborSpan = compactHeightfield.spans[k];