[xTURBOx]

set a timer to call to check for the vehicle's speed and then set it to the desired colour if the required speed is match

PHP код:

#define MPH_KMH 1.609344 
stock GetVehicleSpeed( vehicleid ) 
{ 
    new 
        Float:x, 
        Float:y, 
        Float:z, 
        vel; 
    GetVehicleVelocity( vehicleid, x, y, z ); 
    vel = floatround( floatsqroot( x*x + y*y + z*z ) * 180 );           // KM/H 
//  vel = floatround( floatsqroot( x*x + y*y + z*z ) * 180 / MPH_KMH ); // Mph 
    return vel; 
}