Как из скрипта сделать индикатор?

//-----------------------------------------
double pr0,prp;
double V,kt,per;
int t0,tp,i0,ip;
//----------------------------------------
int init() 
{
   per=Period();
   kt=60/per;
   
   t0=TimeOnDropped();
   i0=iBarShift(Symbol(),Period(),t0);
   pr0=Close[i0];
   
   ip=i0+40;
   tp=Time[ip];
   prp=Close[ip];
   
   ObjectCreate("LineV",2,0,tp,prp,t0,pr0);
   ObjectSet("LineV",OBJPROP_COLOR,LightSkyBlue);
   
   ObjectCreate("txtLineV",OBJ_TEXT,0,t0,pr0+0.002);
   
   ObjectCreate("txtLeb",OBJ_LABEL,0,0,0);
   ObjectSet("txtLeb", OBJPROP_XDISTANCE, 680);
   ObjectSet("txtLeb", OBJPROP_YDISTANCE,  20);
   ObjectSetText("txtLeb","V  =  ",10,"Arial",Lime);
}
//-----------------------------------------
int start() 
{
  while(IsStopped()==false) 
  {
    tp=ObjectGet("LineV",OBJPROP_TIME1);
    t0=ObjectGet("LineV",OBJPROP_TIME2);
   
    prp=ObjectGet("LineV",OBJPROP_PRICE1);
    pr0=ObjectGet("LineV",OBJPROP_PRICE2);
    
    ip=iBarShift(Symbol(),Period(),tp);
    i0=iBarShift(Symbol(),Period(),t0);
    
    if (t0>Time[0]) i0=(Time[0]-t0)/60/per;
    
    pr0=NormalizeDouble(pr0,4);
    prp=NormalizeDouble(prp,4);
    //----------------------------------------
      
    ObjectMove("LineV",0,tp,prp);
    ObjectMove("LineV",1,t0,pr0);
 
    if (i0!=ip) V=((pr0-prp)/Point)/((ip-i0)/kt); 
    
    ObjectMove("txtLineV",0,t0,pr0+0.002);
    
    ObjectSetText("txtLineV"," "+DoubleToStr(V,2),9,"Arial",Yellow);
    ObjectSetText("txtLeb","V =  "+DoubleToStr(V,2),10,"Arial",Lime); 
    //----------------------------------------
    //========================================================
   
    Comment( "t0 = ",TimeToStr(t0,TIME_DATE|TIME_MINUTES),"\n",
             "tp = ",TimeToStr(tp,TIME_DATE|TIME_MINUTES),"\n",
             "i0 = ",i0,"\n",
             "ip = ",ip,"\n", 
             "pr0 = ",pr0,"\n",
             "prp = ",prp,"\n",
             "V = ",DoubleToStr(V,2));
 
  }//------while--------
  //======================================================================
  return(0);
}
//*********************************
int deinit() 
{ 
   ObjectDelete("LineV"); 
   ObjectDelete("txtLineV"); 
   ObjectDelete("txtLeb");
   Comment(" ");
   return(0);
}
//*********************************