diff --git a/DebugUtils/Include/DebugDraw.h b/DebugUtils/Include/DebugDraw.h
index 1e70f1a..00b544d 100644
--- a/DebugUtils/Include/DebugDraw.h
+++ b/DebugUtils/Include/DebugDraw.h
@@ -67,10 +67,8 @@ struct duDebugDraw
 	/// End drawing primitives.
 	virtual void end() = 0;
 
-	/// Compute a color for given polygon.
-	/// @param poly [in] the polygon to compute color for.
-	/// @return The color value.
-	virtual unsigned int polyToCol(const struct dtPoly* poly);
+	/// Compute a color for given area.
+	virtual unsigned int areaToCol(unsigned int area);
 };
 
 inline unsigned int duRGBA(int r, int g, int b, int a)
diff --git a/DebugUtils/Source/DebugDraw.cpp b/DebugUtils/Source/DebugDraw.cpp
index a74bb9d..d0179bc 100644
--- a/DebugUtils/Source/DebugDraw.cpp
+++ b/DebugUtils/Source/DebugDraw.cpp
@@ -28,16 +28,16 @@ duDebugDraw::~duDebugDraw()
 	// Empty
 }
 
-unsigned int duDebugDraw::polyToCol(const struct dtPoly* poly)
+unsigned int duDebugDraw::areaToCol(unsigned int area)
 {
-	if (poly->getArea() == 0)
+	if (area == 0)
 	{
 		// Treat zero area type as default.
 		return duRGBA(0, 192, 255, 255);
 	}
 	else
 	{
-		return duIntToCol(poly->getArea(), 255);
+		return duIntToCol(area, 255);
 	}
 }
 
diff --git a/DebugUtils/Source/DetourDebugDraw.cpp b/DebugUtils/Source/DetourDebugDraw.cpp
index 762f084..12f28e7 100644
--- a/DebugUtils/Source/DetourDebugDraw.cpp
+++ b/DebugUtils/Source/DetourDebugDraw.cpp
@@ -142,7 +142,7 @@ static void drawMeshTile(duDebugDraw* dd, const dtNavMesh& mesh, const dtNavMesh
 			if (flags & DU_DRAWNAVMESH_COLOR_TILES)
 				col = tileColor;
 			else
-				col = duTransCol(dd->polyToCol(p), 64);
+				col = duTransCol(dd->areaToCol(p->getArea()), 64);
 		}
 		
 		for (int j = 0; j < pd->triCount; ++j)
@@ -178,7 +178,7 @@ static void drawMeshTile(duDebugDraw* dd, const dtNavMesh& mesh, const dtNavMesh
 			if (query && query->isInClosedList(base | (dtPolyRef)i))
 				col = duRGBA(255,196,0,220);
 			else
-				col = duDarkenCol(duTransCol(dd->polyToCol(p), 220));
+				col = duDarkenCol(duTransCol(dd->areaToCol(p->getArea()), 220));
 
 			const dtOffMeshConnection* con = &tile->offMeshCons[i - tile->header->offMeshBase];
 			const float* va = &tile->verts[p->verts[0]*3];
@@ -553,15 +553,15 @@ void duDebugDrawTileCacheLayerAreas(struct duDebugDraw* dd, const dtTileCacheLay
 			const int lidx = x+y*w;
 			const int lh = (int)layer.heights[lidx];
 			if (lh == 0xff) continue;
+
 			const unsigned char area = layer.areas[lidx];
-			
 			unsigned int col;
 			if (area == 63)
 				col = duLerpCol(color, duRGBA(0,192,255,64), 32);
 			else if (area == 0)
 				col = duLerpCol(color, duRGBA(0,0,0,64), 32);
 			else
-				col = duLerpCol(color, duIntToCol(area, 255), 32);
+				col = duLerpCol(color, dd->areaToCol(area), 32);
 			
 			const float fx = bmin[0] + x*cs;
 			const float fy = bmin[1] + (lh+1)*ch;
@@ -737,14 +737,15 @@ void duDebugDrawTileCachePolyMesh(duDebugDraw* dd, const struct dtTileCachePolyM
 	for (int i = 0; i < lmesh.npolys; ++i)
 	{
 		const unsigned short* p = &lmesh.polys[i*nvp*2];
+		const unsigned char area = lmesh.areas[i];
 		
 		unsigned int color;
-		if (lmesh.areas[i] == DT_TILECACHE_WALKABLE_AREA)
+		if (area == DT_TILECACHE_WALKABLE_AREA)
 			color = duRGBA(0,192,255,64);
-		else if (lmesh.areas[i] == DT_TILECACHE_NULL_AREA)
+		else if (area == DT_TILECACHE_NULL_AREA)
 			color = duRGBA(0,0,0,64);
 		else
-			color = duIntToCol(lmesh.areas[i], 255);
+			color = dd->areaToCol(area);
 		
 		unsigned short vi[3];
 		for (int j = 2; j < nvp; ++j)
diff --git a/DebugUtils/Source/RecastDebugDraw.cpp b/DebugUtils/Source/RecastDebugDraw.cpp
index 82050bd..c1a73a1 100644
--- a/DebugUtils/Source/RecastDebugDraw.cpp
+++ b/DebugUtils/Source/RecastDebugDraw.cpp
@@ -198,7 +198,7 @@ void duDebugDrawHeightfieldWalkable(duDebugDraw* dd, const rcHeightfield& hf)
 				else if (s->area == RC_NULL_AREA)
 					fcol[0] = duRGBA(64,64,64,255);
 				else
-					fcol[0] = duMultCol(duIntToCol(s->area, 255), 200);
+					fcol[0] = duMultCol(dd->areaToCol(s->area), 200);
 				
 				duAppendBox(dd, fx, orig[1]+s->smin*ch, fz, fx+cs, orig[1] + s->smax*ch, fz+cs, fcol);
 				s = s->next;
@@ -230,13 +230,14 @@ void duDebugDrawCompactHeightfieldSolid(duDebugDraw* dd, const rcCompactHeightfi
 			{
 				const rcCompactSpan& s = chf.spans[i];
 
+				const unsigned char area = chf.areas[i];
 				unsigned int color;
-				if (chf.areas[i] == RC_WALKABLE_AREA)
+				if (area == RC_WALKABLE_AREA)
 					color = duRGBA(0,192,255,64);
-				else if (chf.areas[i] == RC_NULL_AREA)
+				else if (area == RC_NULL_AREA)
 					color = duRGBA(0,0,0,64);
 				else
-					color = duIntToCol(chf.areas[i], 255);
+					color = dd->areaToCol(area);
 				
 				const float fy = chf.bmin[1] + (s.y+1)*ch;
 				dd->vertex(fx, fy, fz, color);
@@ -403,7 +404,7 @@ void duDebugDrawHeightfieldLayer(duDebugDraw* dd, const struct rcHeightfieldLaye
 			else if (area == RC_NULL_AREA)
 				col = duLerpCol(color, duRGBA(0,0,0,64), 32);
 			else
-				col = duLerpCol(color, duIntToCol(area, 255), 32);
+				col = duLerpCol(color, dd->areaToCol(area), 32);
 			
 			const float fx = layer.bmin[0] + x*cs;
 			const float fy = layer.bmin[1] + (lh+1)*ch;
@@ -866,14 +867,15 @@ void duDebugDrawPolyMesh(duDebugDraw* dd, const struct rcPolyMesh& mesh)
 	for (int i = 0; i < mesh.npolys; ++i)
 	{
 		const unsigned short* p = &mesh.polys[i*nvp*2];
+		const unsigned char area = mesh.areas[i];
 		
 		unsigned int color;
-		if (mesh.areas[i] == RC_WALKABLE_AREA)
+		if (area == RC_WALKABLE_AREA)
 			color = duRGBA(0,192,255,64);
-		else if (mesh.areas[i] == RC_NULL_AREA)
+		else if (area == RC_NULL_AREA)
 			color = duRGBA(0,0,0,64);
 		else
-			color = duIntToCol(mesh.areas[i], 255);
+			color = dd->areaToCol(area);
 		
 		unsigned short vi[3];
 		for (int j = 2; j < nvp; ++j)