//+------------------------------------------------------------------+
//|                                               ForsesMomentum.mq4 |
//|                                                          Cheshir |
//|                                             inst.rabot@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Cheshir"
#property link      "inst.rabot@gmail.com"

#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 LawnGreen
#property indicator_color2 Tomato
#property indicator_color3 DeepSkyBlue

// Результирующий индикатор...
#property indicator_color4 White

#property indicator_level1 0.01
#property indicator_level2 -0.01
#property indicator_levelwidth 1
#property indicator_levelcolor Red
#property indicator_levelstyle STYLE_DOT

//--- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double ExtMapBuffer3[];
double ExtMapBuffer4[];
//---- extern
extern int barsToProcess=100;

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
double bar0 = 0;
double bar1 = 0;

int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_HISTOGRAM);
   SetIndexBuffer(0,ExtMapBuffer1);
   
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(1,ExtMapBuffer2);
   
   SetIndexStyle(2,DRAW_HISTOGRAM);
   SetIndexBuffer(2,ExtMapBuffer3);
   
   SetIndexStyle(3,DRAW_LINE,EMPTY,2);
   SetIndexBuffer(3,ExtMapBuffer4);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int   counted_bars=IndicatorCounted(),
         limit;
         
   if(counted_bars>0)
      counted_bars--;
      
   limit=Bars-counted_bars;
   
//   if(limit>barsToProcess)
//      limit=barsToProcess;
//----
   for(int i=0;i<limit;i++) // Итак, здесь мы пробегаем по буферу, и задаем значения для рисования...
   {
      ExtMapBuffer1[i]= getForse(i, 50);  // Выведем, силы для периода 50
      ExtMapBuffer2[i]= getForse(i, 14, false);  // и так же силы для 14...
      ExtMapBuffer3[i]= getForse(i, 3, false);
      
      ExtMapBuffer4[i] = ExtMapBuffer1[i] + ExtMapBuffer2[i] + ExtMapBuffer3[i];
   }
//----
   return(0);
  }
//+------------------------------------------------------------------+

double getForse(int candle, int period, bool SMMA=true)
{
if(SMMA){
   bar0 = iMA(Symbol(),0,period,0,MODE_SMMA,0,candle);
   bar1 = iMA(Symbol(),0,period,0,MODE_SMMA,0,candle+1);
}
if(!SMMA){
   bar0 = iMA(Symbol(),0,period,0,MODE_SMA,0,candle);
   bar1 = iMA(Symbol(),0,period,0,MODE_SMA,0,candle+1);
}
   return((bar0 - bar1)*period*3);
}