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变色HMA均线指标 HMA_Color_v03

HMA_Color_v03指标创建变色HMA均线。

HMA_Color_v03指标图表:HMA_Color_v03指标

HMA_Color_v03指标源码:

//+------------------------------------------------------------------+
//|                                                HMA_Color_v03.mq4 |
//+------------------------------------------------------------------+
#property  copyright "Ron Thompson"
#property  link      "http://www.125808047.com/"

#property indicator_chart_window
#property indicator_buffers 3

#property indicator_color1 LimeGreen
#property indicator_color2 Yellow
#property indicator_color3 Red

input int HMA_Period=14;
input int BarsToDraw=200;

double ind_buffer0[];
double ind_buffer1[];
double ind_buffer2[];

double buffer[];

void OnInit(void)
  {
   IndicatorBuffers(4);
   SetIndexBuffer(0,ind_buffer0) ;
   SetIndexStyle(0,DRAW_LINE,STYLE_SOLID,2);
   SetIndexBuffer(1,ind_buffer1);
   SetIndexStyle(1,DRAW_LINE,STYLE_SOLID,2);
   SetIndexBuffer(2,ind_buffer2); 
   SetIndexStyle(2,DRAW_LINE,STYLE_SOLID,2);
   SetIndexBuffer(3, buffer);
  }

   void OnDeinit(const int reason)
     {
     Comment("www.125808047.com");
    }

int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
   int i;
   int counted_bars=IndicatorCounted();
   double tmp, tmpPrevious;
   
   double fullMA;
   double halfMA;
   
   int fullPeriod = HMA_Period;
   int halfPeriod = HMA_Period/2;
   int sqrtPeriod = floor(sqrt(HMA_Period*1.00));

   for(i=0; i<BarsToDraw; i++)
     {
      halfMA=iMA(NULL,0,halfPeriod,0,MODE_LWMA,PRICE_CLOSE,i)*2;
      fullMA=iMA(NULL,0,fullPeriod,0,MODE_LWMA,PRICE_CLOSE,i);
      buffer[i]=halfMA-fullMA;
     }

   tmp=iMAOnArray(buffer,0,floor(sqrt(HMA_Period)),0,MODE_LWMA,0);

   for(i=1; i<BarsToDraw; i++)
     {
      tmpPrevious=iMAOnArray(buffer,0,floor(sqrt(HMA_Period)),0,MODE_LWMA,i);
      if (tmpPrevious > tmp)
        {
         ind_buffer0[i] = EMPTY_VALUE;
         ind_buffer1[i] = EMPTY_VALUE;
         ind_buffer2[i] = tmpPrevious+0.0005;
         ind_buffer2[i-1] = tmp-0.0005;
        }
       else if (tmpPrevious < tmp)
        {
         ind_buffer0[i] = tmpPrevious+0.0005;
         ind_buffer0[i-1] = tmp-0.0005;
         ind_buffer1[i] = EMPTY_VALUE;
         ind_buffer2[i] = EMPTY_VALUE;
        }
       else
        {
         ind_buffer0[i] = CLR_NONE;
         ind_buffer1[i] = tmpPrevious+0.0005;
         ind_buffer2[i-1] = tmp-0.0005;
         ind_buffer2[i] = CLR_NONE;
        }
      tmp = tmpPrevious;
   }//for
    return(rates_total);
}
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