94 lines
3.6 KiB
MQL5
94 lines
3.6 KiB
MQL5
//+------------------------------------------------------------------+
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//| ProjectName |
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//| Copyright 2020, CompanyName |
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//| http://www.companyname.net |
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//+------------------------------------------------------------------+
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//+------------------------------------------------------------------+
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//| Heiken_Ashi.mq5 |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2000-2025, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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//--- indicator settings
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#property indicator_chart_window
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#property indicator_buffers 5
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#property indicator_plots 1
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#property indicator_type1 DRAW_COLOR_CANDLES
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#property indicator_color1 clrDodgerBlue,clrRed
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#property indicator_label1 "Heiken Ashi Open;Heiken Ashi High;Heiken Ashi Low;Heiken Ashi Close"
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//--- indicator buffers
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double ExtOBuffer[];
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double ExtHBuffer[];
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double ExtLBuffer[];
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double ExtCBuffer[];
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double ExtColorBuffer[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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void OnInit()
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{
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//--- indicator buffers mapping
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SetIndexBuffer(0,ExtOBuffer,INDICATOR_DATA);
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SetIndexBuffer(1,ExtHBuffer,INDICATOR_DATA);
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SetIndexBuffer(2,ExtLBuffer,INDICATOR_DATA);
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SetIndexBuffer(3,ExtCBuffer,INDICATOR_DATA);
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SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX);
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//---
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IndicatorSetInteger(INDICATOR_DIGITS,_Digits);
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//--- sets first bar from what index will be drawn
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IndicatorSetString(INDICATOR_SHORTNAME,"Heiken Ashi");
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//--- sets drawing line empty value
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PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0);
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}
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//+------------------------------------------------------------------+
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//| Heiken Ashi |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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int start;
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//--- preliminary calculations
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if(prev_calculated==0)
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{
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ExtLBuffer[0]=low[0];
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ExtHBuffer[0]=high[0];
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ExtOBuffer[0]=open[0];
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ExtCBuffer[0]=close[0];
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start=1;
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}
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else
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start=prev_calculated-1;
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//--- the main loop of calculations
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for(int i=start; i<rates_total && !IsStopped(); i++)
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{
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double ha_open =(ExtOBuffer[i-1]+ExtCBuffer[i-1])/2;
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double ha_close=(open[i]+high[i]+low[i]+close[i])/4;
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double ha_high =MathMax(high[i],MathMax(ha_open,ha_close));
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double ha_low =MathMin(low[i],MathMin(ha_open,ha_close));
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ExtLBuffer[i]=ha_low;
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ExtHBuffer[i]=ha_high;
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ExtOBuffer[i]=ha_open;
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ExtCBuffer[i]=ha_close;
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//--- set candle color
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if(ha_open<ha_close)
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ExtColorBuffer[i]=0.0; // set color DodgerBlue
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else
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ExtColorBuffer[i]=1.0; // set color Red
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}
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//---
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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