#ifndef MAP_H
#define MAP_H

#include <vector>
#include <map>

#include "DelaunayTriangulation.h"
#include "Structure.h"
#include "QuadTree.h"

using pCenterQT = QuadTree<Center*>;

// Forward Declaration
class Vector2;
namespace Noise
{
	namespace Module
	{
		class Perlin;
	}
}

#endif
#ifndef MAP_H
#define MAP_H

#include <vector>
#include <map>

#include "DelaunayTriangulation.h"
#include "Structure.h"
#include "QuadTree.h"

#endif
--- 
+++ 
@@ -8,4 +8,16 @@
 #include "Structure.h"
 #include "QuadTree.h"
 
+using pCenterQT = QuadTree<Center*>;
+
+// Forward Declaration
+class Vector2;
+namespace Noise
+{
+	namespace Module
+	{
+		class Perlin;
+	}
+}
+
 #endif
Define alias type, forward declaration
