diff --git a/src/datalink/worldobject.h b/src/datalink/worldobject.h
index 5d6e8b250db7daab8f7ea7156689f0eadd4b3ae9..d95ed5196f686780734473ec680bc3eced0576f6 100644
--- a/src/datalink/worldobject.h
+++ b/src/datalink/worldobject.h
@@ -1,7 +1,11 @@
-class worldobject()                                                                                
+#include <vector>
+using namespace std;
+class worldobject()
 {
-double coordinate_pos,coordinate_hand,coordinate_orientn;
+protected:
+     vector<int> p1,o2,h3;
 
-//no need of constructor here
 
-}
\ No newline at end of file
+     //no need of constructor here
+
+}