//+------------------------------------------------------------------+
//|                                             Vinin HighLow v1.mq4 |
//|                                        Victor Nicolaev aka Vinin |
//|                                                    vinin@mail.ru |
//+------------------------------------------------------------------+
#property copyright "Victor Nicolaev aka Vinin"
#property link      "mailto: vinin@mail.ru"

#property indicator_chart_window
#property indicator_buffers 3
#property indicator_color1 Yellow
#property indicator_color2 Green
#property indicator_color3 Red

extern int period=34;
extern int price=0;
extern int Shift=0;

//---- buffers
double BufferGreen[];
double BufferYellow[];
double BufferRed[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   int i;
   for(i=0;i<3;i++)
     {
      SetIndexStyle(i,DRAW_LINE);
      SetIndexDrawBegin(i,period);
      SetIndexShift(i,Shift);
     }
   SetIndexBuffer(0,BufferYellow);
   SetIndexBuffer(1,BufferGreen);
   SetIndexBuffer(2,BufferRed);

   return(0);
  }//int init() 
//+------------------------------------------------------------------+
int start()
  {
   double tmp1,tmp2,tmp3;
   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   int limit=Bars-counted_bars;
   if(counted_bars==0) limit-=1+1;
   for(int i=limit;i>=0;i--)
     {
      tmp1=iMA(Symbol(),0,period,0,MODE_SMA,price,i);
      tmp2=iMA(Symbol(),0,period,0,MODE_LWMA,price,i);
      tmp3=3.0*tmp2-2.0*tmp1;
      BufferGreen[i] =tmp3;
      BufferYellow[i]=tmp3;
      BufferRed[i]   =tmp3;
      if(BufferYellow[i]>BufferYellow[i+1])
        {
         BufferRed[i]=EMPTY_VALUE;
           } else if(BufferYellow[i]<BufferYellow[i+1]){
         BufferGreen[i]=EMPTY_VALUE;
           } else {
         BufferRed[i]=EMPTY_VALUE;
         BufferGreen[i]=EMPTY_VALUE;
        }
     }
   return(0);
  }
//+------------------------------------------------------------------+