[_[HuN]_Epsilon_]

GetPos

pawn Код:

Float:GetPos(playerid,posid)
{
  new Float:id[3];
  if(IsPlayerInAnyVehicle(playerid)) GetVehiclePos(GetPlayerVehicleID(playerid),id[0],id[1],id[2]);else GetPlayerPos(playerid,id[0],id[1],id[2]);
  return id[posid-1];
}

With this function you can simply get one coordinate of a player.

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Posids:

X - 1
Y - 2
Z - 3

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For example if you want get the player Z coord;

new Float: Z = GetPos(playerid,3);

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GetClosestPlayer

pawn Код:

GetClosestPlayer(except,Float: radius = 99999.9999)
{
    new Float:dis[2],e[2];
    e[0] = INVALID_PLAYER_ID;
    dis[0] = radius;
    for (e[1]=0;e[1]<MAX_PLAYERS;e[1]++)
        if(IsPlayerConnected(e[1]) && e[1] != except)
            dis[1] = floatsqroot(floatpower(floatabs(floatsub(GetPos(e[1],1),GetPos(except,1))),2)+floatpower(floatabs(floatsub(GetPos(e[1],2),GetPos(except,2))),2)+floatpower(floatabs(floatsub(GetPos(e[1],3),GetPos(except,3))),2));
            if(dis[1]< dis[0])
            {
                dis[0] = dis[1];
                e[0] = e[1];
            }
    return e[0];
}

This function returns the closest player to you, except you.

If you only want to search in a radius just set that if not just miss that. If you missed that, the function will search all of SA.

Epsilon