[RogueDrifter]

Код:

#define SPEED_OF_MOVING 3

GetVehicleSpeed(vehicleid)
{
    new Float:ST[4];
    GetVehicleVelocity(vehicleid,ST[0],ST[1],ST[2]);
    ST[3] = floatsqroot(floatpower(floatabs(ST[0]), 2.0) + floatpower(floatabs(ST[1]), 2.0) + floatpower(floatabs(ST[2]), 2.0)) * 179.28625;
    return floatround(ST[3]);
}

bool:IsVehicleMoving(vehicleid) return (GetVehicleSpeed(vehicleid) > SPEED_OF_MOVING);

I don’t claim credit for the vehicle speed function.