//+------------------------------------------------------------------+
//| Vinin_LRMA_Color&&Sound v1.mq4 |
//| Victor Nicolaev aka Vinin |
//| vinin@mail.ru |
//+------------------------------------------------------------------+
#property copyright "2008, 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
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
extern int period=21;
extern int price=0;
extern int Shift=0;
extern bool bPlaySound=true;
extern string SoundName="alert.wav";
extern int CheckBar=0;
//---- buffers
double BufferGreen[];
double BufferYellow[];
double BufferRed[];
double alertTag;
//+------------------------------------------------------------------+
//| 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() {
int limit;
double tmp1,tmp2,tmp3;
int tmpBar, tmpTime;
int counted_bars=IndicatorCounted();
int i, j,k;
if(counted_bars<0) return(-1);
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars;
int cmd;
for (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;
}
}
if (bPlaySound &&alertTag!=Time[0]) {
if (BufferRed[CheckBar+1]==EMPTY_VALUE && BufferRed[CheckBar]!=EMPTY_VALUE ) PlaySound(SoundName);
if (BufferGreen[CheckBar+1]==EMPTY_VALUE && BufferGreen[CheckBar]!=EMPTY_VALUE) PlaySound(SoundName);
alertTag=Time[0];
}
return(0);
}
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It plays sound alerts