diff --git a/agent.cc b/agent.cc
index de7227f..f9c8eb2 100644
--- a/agent.cc
+++ b/agent.cc
@@ -13,3 +13,15 @@ agent::put_at(class tile &t)
 		exit(EXIT_FAILURE);
 	}
 }
+
+bool
+agent::move_dir(int dir_x, int dir_y)
+{
+	class tile *t2 = &tile->tile_in_dir(dir_x, dir_y);
+	if (!t2->on_agent_enter(*this))
+		return false;
+
+	tile->on_agent_leave(*this);
+	tile = t2;
+	return true;
+}
diff --git a/agent.h b/agent.h
index aaf48ca..af68f63 100644
--- a/agent.h
+++ b/agent.h
@@ -13,6 +13,8 @@ public:
 		put_at(tile_);
 	};
 
+	bool move_dir(int dir_x, int dir_y);
+
 private:
 	/* Just for initial placement. */
 	void put_at(class tile &tile);
diff --git a/main.cc b/main.cc
index e9f14fd..12f6ddd 100644
--- a/main.cc
+++ b/main.cc
@@ -12,5 +12,15 @@ main(int argc, char *argv[])
 	class agent agent(0, agentpos);
 
 	map.print_map();
+	std::cout << '\n';
+
+	agent.move_dir(1, 0);
+	map.print_map();
+	std::cout << '\n';
+
+	agent.move_dir(0, -1);
+	map.print_map();
+	std::cout << '\n';
+
 	return 0;
 }