1 files changed, 4 insertions, 1 deletions
diff --git a/quadtree.h b/quadtree.h
index 9a84e98..923a49f 100644
--- a/quadtree.h
+++ b/quadtree.h
@@ -15,7 +15,9 @@ class Quadtree {
 			QuadNode(Quadtree *tree, QuadNode *parent, float x, float y, float width, float height, int level, bool leaf);
 			virtual ~QuadNode();
 
+			void fill();
 			void subdivide(bool leaf = true);
+			void merge();
 			void draw();
 			void draw_grid();
 			float get_height(float px, float py);
@@ -31,9 +33,10 @@ class Quadtree {
 		Quadtree(int width, int height, float *heightmap, int levels);
 		virtual ~Quadtree();
 
+		void create_nodes(int levels);
 		unsigned int count_nodes();
 		void make_vbo();
-		QuadNode *find(float x, float y);
+		QuadNode *find(float x, float y, int leve = -1l);
 };
 
 #endif