diff --git a/rules/chose.cpp b/rules/chose.cpp
index a2fa9e2..9d40e02 100644
--- a/rules/chose.cpp
+++ b/rules/chose.cpp
@@ -75,4 +75,52 @@ void Chose::updateAABB() {
 	}
 }
 
+void Chose::displayAABB() {
+	updateAABB();
+	if (children.size() > 0) {
+		std::vector<Chose*>::iterator it;
+		for (it = children.begin(); it != children.end(); ++it) {
+			(*it)->displayAABB();
+		}
+	} else {
+		// Affiche la AABB.
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[0],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[5]);
+		glVertex3d(lod.aabb[1],lod.aabb[2],lod.aabb[4]);
+		glVertex3d(lod.aabb[1],lod.aabb[3],lod.aabb[4]);
+	}
+}
+
 unsigned int Chose::initialSeed = 779313522;//random_seed();
diff --git a/rules/chose.hh b/rules/chose.hh
index 528da22..46188de 100644
--- a/rules/chose.hh
+++ b/rules/chose.hh
@@ -18,6 +18,7 @@ class Chose {
 
     public :
 	void display();
+	void displayAABB();
 	virtual bool split() = 0;
 	virtual bool merge();
 	virtual void triangulation() = 0;
diff --git a/view.cpp b/view.cpp
index 0ef6539..75566ba 100644
--- a/view.cpp
+++ b/view.cpp
@@ -97,6 +97,13 @@ void View::renderScene(int lastTime, int currentTime) {
 	root->display();
 	glEnd();
 
+	// DEBUG : display AABB
+	// glDisable(GL_LIGHTING);
+	// glDisable(GL_TEXTURE_2D);
+	// glBegin(GL_TRIANGLES);
+	// root->displayAABB();
+	// glEnd();
+
 	glFlush();
 	SDL_GL_SwapBuffers();
 }