//+------------------------------------------------------------------+
//|                           Copyright © 2022, forex-time@mail.ru   |
//+------------------------------------------------------------------+
#property copyright   "Copyright © 2022, forex-time@mail.ru"
#property strict 
//+------------------------------------------------------------------+
#property indicator_separate_window
#property indicator_buffers 3
#property indicator_color1 Yellow
#property indicator_color2 Green
#property indicator_color3 Red
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
//+------------------------------------------------------------------+
extern int    MA_Shift  = 60;
extern int    Ma_Period =  5;
extern int    Ma_Method =  0;
extern int    Ma_Price  =  0;
extern double MA_Koef   =  1.0;
//---- buffers
double CA[];
double UpBuffer[];
double DnBuffer[];
double Price[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   IndicatorBuffers(4);
   SetIndexStyle(0,DRAW_LINE);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexStyle(2,DRAW_LINE);
   SetIndexBuffer(0,CA);
   SetIndexBuffer(1,UpBuffer);
   SetIndexBuffer(2,DnBuffer);
   SetIndexDrawBegin(0,Ma_Period);
   SetIndexDrawBegin(1,Ma_Period);
   SetIndexDrawBegin(2,Ma_Period);
   
   IndicatorShortName("CMA("+string(Ma_Period)+")");
   SetIndexLabel(1,"UP");
   SetIndexLabel(2,"DN");
return(0);}
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start() 
{
   int i,limit;
   int counted_bars=IndicatorCounted();
   if (counted_bars<0) return(-1);
   if (counted_bars>0) counted_bars--;
       limit = MathMin(Bars-counted_bars,Bars-1);
   if (counted_bars==0) {limit--; limit-=MA_Shift+1;} else limit++;
   double K=0.0, v1=0.0, v2=0.0, MA=0.0;

   for(i=limit; i>=0; i--) 
      {
         CA[i]=Close[i]-Close[i+MA_Shift];
         MA=iMAOnArray(CA,0,Ma_Period,0,Ma_Method,i);
         v1=MA_Koef*MathSqrt(iStdDevOnArray(CA,0,Ma_Period,0,Ma_Method,i));
         v2=MathSqrt(MathAbs(CA[i+1]-MA));
         if (v2<v1 || v2==0.0) K=0.0; else K=1-(v1/v2);
         if (CA[i]-CA[i+1] > 0) UpBuffer[i] = CA[i];
         if (CA[i]-CA[i+1] < 0) DnBuffer[i] = CA[i];
      }
return(0);}
//+------------------------------------------------------------------+