default
{
    state_entry()
    {
        llSetTimerEvent(0.05);
    }
    timer()
    {
        rotation my_rot = llGetRot();
        vector my_vel = llGetVel();
        rotation my_vel_rot = llRotBetween(<0,0,0>,my_vel);
        rotation skid = my_rot/my_vel_rot;
        vector euler_rot = llRot2Euler(skid)*RAD_TO_DEG;
        float angle = euler_rot.z;
        llSetText((string)angle,<1,1,1>,1);
    }
}