1st Person Vehicle Driving [0.3e] V0.2

//=========================== 1st Person Vehicle Driving By rati555 || V0.2 ===========================//
#include <a_samp>
#include <zcmd>
#define FILTERSCRIPT
new obj[MAX_PLAYERS];
public OnFilterScriptInit()
{
        print(" 1st Person Vehicle Driving by Rati555");
        return 1;
}

public OnFilterScriptExit()
{
return 1;
}
public OnPlayerExitVehicle(playerid,vehicleid)
{
if(GetPVarInt(playerid,"used") == 1)
{
SetPVarInt(playerid,"used",0);
SetCameraBehindPlayer(playerid);
DestroyPlayerObject(playerid,obj[playerid]);
}
return 1;
}

CMD:changeview(playerid,params[])
{
#pragma unused params
if(!IsPlayerInAnyVehicle(playerid)) return SendClientMessage(playerid,-1,"You must be in a vehicle to use this cmd");
if(GetPVarInt(playerid,"used") == 0)
{
new p = GetPlayerVehicleID(playerid);
obj[playerid] = CreatePlayerObject(playerid,19300, 0.0000, -1282.9984, 10.1493, 0.0000, -1, -1, 100);
AttachPlayerObjectToVehicle(playerid,obj[playerid],p,-0.314999, -0.195000, 0.510000, 0.000000, 0.000000, 0.000000);
AttachCameraToPlayerObject(playerid,obj[playerid]);
SetPVarInt(playerid,"used",1);
}
else if(GetPVarInt(playerid,"used") == 1)
{
SetCameraBehindPlayer(playerid);
DestroyPlayerObject(playerid,obj[playerid]);
SetPVarInt(playerid,"used",0);
}
return 1;
}