+ - to near position thePosition (vector) with-error error (float):\r
+ vectorAux(vector).\r
+ vectorAux = (self get-location) - thePosition.\r
+\r
+ #print "-----> (pos, other_pos, diff, error): ", (self get-location), thePosition, vectorAux, error.\r
+\r
+ if ((|vectorAux::x| < error) && (|vectorAux::z| < error)):\r
+ return 1.\r
+\r
+ return 0.\r
+\r