Basic Mechanical Clock Script

//HINT:  Set up your clock face then dupliate that prim and reshape for a clock hand
//Use a hand texture that is the hand on one side and total invis on the other so your 
//hand rotates around the center of the face and you avoid rotation issues.  Set your  
// hands to 12am...turn on the script and it iwll automatically set the hands to SL time on
// startup. Enjoy.

//uncomment the type of hand this piece is - second,minute, hour

//integer hand_type =1;//seconds
//integer hand_type =2;//minutes
//integer hand_type =3;//hours

//do not edit below
integer    t;
integer    hours;
integer    minutes;
integer    seconds;
integer    time_interval;
integer    rot_num;

rotation hand_rot;
rotation start_rot; 
Set_Hand(){
    integer x = time_interval;
    for(x=0;x < time_interavl + 1;x++)
    {    
        rotation rot = llGetLocalRot();
        rotation delta = llEuler2Rot(<0,0, PI/rot_num>);
        rot = delta * rot;
        llSetLocalRot(rot);    
    }    
    hand_rot = llGetLocalRot();
    llSetTimerEvent(60.0);
} 


default
{
    state_entry()
    {   
        llListen(0,"",llGetOwner(),"");
        hand_rot = llGetLocalRot();
        start_rot = llGetLocalRot();
        t = (integer)llGetWallclock(); 
        hours = t / 3600; 
        minutes = (t % 3600) / 60; 
        seconds = t % 60; 
        if(hand_type==1)
        {
              time_interval = seconds;
              rot_num = 30;    
        }
        else if (hand_type-==2)
       {
             time_interval=minutes;
             rot_num=30;
       }
       else
      {
            time_interval=hours;
            rot_num = 6;
      } 

       Set_Hand();    
    }

    listen(integer channel,string name,key id,string message)
    {
        if(llToLower(message)=="resetclock")
        {
            llSetLocalRot(start_rot);
            llResetScript();             
        }     
    }
    
        
    timer()
    {
    rotation rot = llGetLocalRot();
    rotation delta = llEuler2Rot(<0,0, PI/rot_num>);
    rot = delta * rot;
    llSetLocalRot(rot);
    }
}