Tried out this fractal terrain stuff but it just looks the same i guess?

Graphics2/PerlinTerrainNode.h

@@ -11,7 +11,7 @@ class PerlinTerrainNode : public TerrainNode
 public:
 	PerlinTerrainNode(wstring name, wstring seed, float chunkSize, int widthX = 1023, int widthZ = 1023, float waterHeight = 300.0f, int cellSizeX = 10, int cellSizeZ = 10);
 
-private:
+protected:
 	// the static perlin permutation array, we could calculate a random one but apparently you can run into sequencing issues and this just seems like the best solution
 	vector<unsigned char> _staticP = { 151,160,137,91,90,15,
   131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,
@@ -45,6 +45,8 @@ private:
 	
 	float _chunkSize;
 
+	std::mt19937 _generator;
+
 	float Fade(float t);
 	float Grad(int hash, float x, float y);