[ScIrUsna]

Code:

new Float:lastangg[ MAX_PLAYERS ];
public OnPlayerUpdate(playerid)
{
if( GetPlayerState( playerid )  == PLAYER_STATE_DRIVER )
			{
new Float:Vvangle;
		
				    
					GetVehicleZAngle( GetPlayerVehicleID( playerid ), Vvangle );

if( lastangg[ playerid ] != 0 )
					{
						if( floatabs( floatabs(lastangg[ playerid ] - Vvangle) ) >= 89.8 && floatabs( floatabs(lastangg[ playerid ] - Vvangle) ) <= 90.2  )
						{
						    SendClientMessage( playerid, -1,"Cheater!");
// Do kick whatever you want
						}
					}
					lastangg[ playerid ] = Vvangle;
}
return 1;
}