if count is negative that implies resultant is anti - clockwise direction
if ( $ count < 0 ) { if ( $ count % 4 == 0 ) $ d = " N " ; else if ( $ count % 4 == -1 ) $ d = " W " ; else if ( $ count % 4 == -2 ) $ d = " S " ; else if ( $ count % 4 == -3 ) $ d = " E " ; } return $ d ; }