[Parallex]

An Example:

pawn Код:

public OnPlayerUpdate(playerid)
{
    new Keys,ud,lr;
    GetPlayerKeys(playerid,Keys,ud,lr);
 
    if(ud == KEY_UP) SendClientMessage(playerid, -1, "UP");
    else if(ud == KEY_DOWN) SendClientMessage(playerid, -1, "DOWN");
 
    if(lr == KEY_LEFT) SendClientMessage(playerid, -1, "LEFT");
    else if(lr == KEY_RIGHT) SendClientMessage(playerid, -1, "RIGHT");
 
    return 1;
}

Taken from the SA-MP Wiki.^