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#include <iostream>
#include <cmath>
#include <windows.h>
#include <cctype>
#include <conio.h>
using namespace std;
void major_scale (void);
int scale_selection (void);
int start_note_selection (void);
int chromatic_scale(void);
int main()
{
int scale_selected;
int note_selected;
cout<<".......................Scale player.........................\n";
cout<<"Press enter to continue\n";
cin.get();
int option = 1;
char choice;
do
{
cout<<"Hello do you want to play a scale? Press [Y]es to to play or press [N]o to exit the program\n";
cin>>choice;
switch(choice)
{
case 'Y':
case 'y':
if(option!=0)
{
note_selected=start_note_selection();
}
if(option!=0)
{
scale_selected=scale_selection();
}
case 'N':
case 'n':
cout<<"Ok see ya\n";
option=0;
break;
_getch();
default: cout<<"\nSorry wrong choice\n";
option=1;
}// end switch
}//end do while
while(option!=0);
cin.get();
return 0;
}
int start_note_selection (void)
{
int key;
int test=0;
int choice;
int octave;
double start_freq = 0;
double key_ref = 0;
double base_ref = 261.14;
do
{
test=0;
cout<<"Select the note you would like your scale to start with;\n\t1-C\n\t2-D\n\t3-E\n\t4-F\n\t5-G\n\t6-A\n\t7-B\n";
cin>>key;
key_ref = base_ref * pow(1.059463094359,key);
start_freq = key_ref * pow(1.059463094359,octave);
cout<<" Enter starting octave \n";
cout<<" 0 to 7 only! \n";
cin>> choice;
switch(octave)
{
case 0: octave = -48;
break;
case 1: octave = -36;
break;
case 2: octave = -24;
break;
case 3: octave = -12;
break;
case 4: octave = 0;
break;
case 5: octave = 12;
break;
case 6: octave = 24;
break;
case 7: octave = 36;
break;
default: cout<<"Error\n";
break;
if(key_ref!=1 && key_ref!=2 && key_ref!=3 && key_ref!=4 && key_ref!=5 && key_ref!=6 && key_ref!=7 && key_ref!=0)
{
cout<<"Invalid selection, try again\n";
test=1;
}
}
}
while (test==1);
}
int scale_selection(void)
{
int i;
int test=0;
int scale;
double freq;
double start_freq = 0;
int chrom_scale[12]={0,1,2,3,4,5,6,7,8,9,10,11};
int major_scale[8]={0,2,4,5,7,9,11,12};
int duration = 100;
do
{
test=0;
cout<<"Select the number corresponding to your chosen scale;\n\t1-Chromatic scale\n\t2-Major scale\n";
cin>>scale;
for (i=0, i<12, i++)
{
freq=start_freq *pow(1.059463094359,chrom_scale[i]);
cout<<"freq\n";
Beep(freq,duration);
}
for (i=0, i<8, i++)
{
freq=start_freq *pow(1.059463094359,major_scale[i]);
cout<<"freq\n";
Beep(freq,duration);
}
if(scale!=1 && scale!=2 && scale!=3 && scale!=0)
//if((scale < 1) || (scale >3)
{
cout<<"Invalid selection, try again\n";
test=1;
}
}
while (test==1);
return scale;
}
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