action arm()
{
arm = me;
set(my,PASSABLE);
//vec_for_vertex(&temp_b,my,49);//for what?
}

action gondel()
{
gondel = me;
set(my,PASSABLE);
while(arm == NULL){wait(1);}
while(my !=NULL)
{
vec_for_vertex(&temp_b,arm,1);
my.x = &temp_b.x;
my.y = &temp_b.y;
my.z = &temp_b.z;
wait(1);
}

}