VC:MP 0.4 Real Speedometer

////////Real Speedometer////////

Credits:- ThunderStorm(who provided me these images)
      ysc3839(helped with the speed calculation method)
====Installation====

http://s17.postimg.org/ygsistowv/needle.png
http://s17.postimg.org/3nv7oil3z/ring.png

Put the ring.png and needle.png in /store/sprites folder
If you want to use different images, this psd file may help you:-
http://souly.vcmp.in/vcmp/speedofiles.psd

///Official Events///

function onScriptLoad()
{
    ring <- CreateSprite( "ring.png", -300, 470, 0, 0, 0, 255 );
    needle <- CreateSprite( "needle.png", -300, 470, 0, 0, 0, 255 );
    meter <- NewTimer("Speedometer" , 1000, 0 );
    meter.Paused = true;
    timer_status <- false;
    print("Real Speedometer function has been loaded");
}

function onPlayerJoin( player )
{
    if(timer_status == false)
        {
            timer_status = true;
            meter.Paused = false;
            print("Timer Resumed");
        }
}

function onPlayerPart( player, reason )
{
    if ( GetPlayers()-1 == 0 )
        {
            meter.Paused = true;
            timer_status = false;
            print( "Timer Paused" );
        }
}

function onPlayerEnterVehicle( player, vehicle, door)
{
    show( player );
}

function onPlayerExitVehicle( player, vehicle )
{
    hide( player );
}

////////Functions////////

function round(value, precision) {
     local factor = pow(10.0, precision);
     return floor(value * factor + 0.5) / factor;
}

function Speedometer()
{
    for ( local i = 0; i < GetMaxPlayers(); i++ )
    {
                local p = FindPlayer( i );
                if ( p )
                {
                        if ( p.IsSpawned )
                        {
                                local vehicle = p.Vehicle;
                                if ( vehicle )
                                {
                          needle.SetCenterForPlayer(p,125,125);
                          needle.RotateForPlayer(p, -floor(vehicle.Speed.Length() * 180) * PI / 180 );
                                }
                        }
                }
         }
}

function show( player )
{
    if( player )
    {
        if(player.Vehicle)
        {
            local veh = player.Vehicle;

            if( ring )
            {
        ring.ShowForPlayer( player );
        needle.ShowForPlayer(player);
        }
        }
    }
}

function hide( player )
{
    if( player )
    {
        if( ring ) {
        ring.HideFromPlayer( player );
        needle.HideFromPlayer(player);
        }
    }
}