//+------------------------------------------------------------------+
//|                                                        Delta.mq4 |
//|                           Copyright © 2008, D500       ELR       |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2008, D500."
#property indicator_separate_window
#property indicator_buffers 4

#property indicator_color1 White
#property indicator_width1 2

#property indicator_color2 Red
#property indicator_width2 2
 
#property indicator_color3 Green
#property indicator_width3 1
#property indicator_style3 2

#property indicator_color4 Orange
#property indicator_width4 1

 
extern int PERIOD=13;
extern int PERIOD_Signal=13;
extern int PERIOD_Smooth=2;
 
double Buffer0[];
double Buffer1[];
double Buffer2[];
double Buffer3[];
//+------------------------------------------------------------------+
int init()
   {
   SetIndexBuffer(0,Buffer0);
   SetIndexStyle(0,DRAW_LINE);

   SetIndexBuffer(1,Buffer1);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexLabel(1,"Основное значение");
 
   SetIndexBuffer(2,Buffer2);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexLabel(2,"Сигнальная линия");
 
   SetIndexBuffer(3,Buffer3);
   SetIndexStyle(3,DRAW_LINE);
   return(0);
   }
//+------------------------------------------------------------------+
int start()
   {
   int    counted_bars=IndicatorCounted();
   int limit;
   limit=Bars-counted_bars;
  
   for(int i=0;i<limit;i++)
      {
      Buffer1[i]=((High[i]+Low[i])/2)-iMA(NULL,0,PERIOD,0,1,0,i);
      }
   for(i=0;i<limit;i++)
      {
      Buffer0[i]=0.0;
      Buffer2[i]=iMAOnArray(Buffer1,Bars,PERIOD_Signal,0,MODE_SMA,i);
      double Sum_Buf_3 = Buffer1[i];
      if (PERIOD_Smooth<0)
         PERIOD_Smooth=0;
      Buffer3[i]=iMAOnArray(Buffer1,Bars,PERIOD_Smooth+1,0,MODE_SMA,i);   
      /*for (int n=1; n<=N; n++)  
         {
         Sum_Buf_3 = Sum_Buf_3 + Buffer1[i+n];
         }
      Buffer3[i] = Sum_Buf_3/(N+1);*/
      }
   return(0);
   }
//+------------------------------------------------------------------+