1 files changed, 3 insertions, 0 deletions
diff --git a/quadtree.h b/quadtree.h
index 36e92ad..45ee09b 100644
--- a/quadtree.h
+++ b/quadtree.h
@@ -52,6 +52,9 @@ class Quadtree {
 		Quadtree(int width, int height, float *heightmap);
 		virtual ~Quadtree();
 
+		void raise(float x, float z, float radius, float focus, float strength);
+
+		Vector3 calc_normal(int x, int y);
 		void update(float x, float z);
 		QuadNode *find(float x, float y);
 		QuadNode *get_left(QuadNode *node);