first working version

Author: Jadit19

README.md

@@ -1,8 +1,8 @@
 # Piano
 
 ## Background
-- I like playing the Piano, and often indulge in it.
-- The frequemcy of the different notes was obtained from <a href="https://pages.mtu.edu/~suits/notefreqs.html">here</a>.
+- I like playing the Piano, and often indulge in it
+- The frequemcy of the different notes was obtained from <a href="https://pages.mtu.edu/~suits/notefreqs.html">here</a>
 
 ## Setup
 My setup was on Ubuntu 20.04. To download SFML, run:

include/black_key.h

@@ -1,16 +1,14 @@
 #ifndef BLACK_KEY_H_INCLUDED
 #define BLACK_KEY_H_INCLUDED
 
-#include <SFML/Graphics.hpp>
-
 #include "config.h"
 #include "key.h"
 
 class BlackKey : public Key
 {
     public:
         BlackKey();
-        BlackKey(sf::RenderWindow* renderWindow, int xPos, double pitchInit);
+        BlackKey(sf::RenderWindow* renderWindow, int xPos, double pitchInit, sf::SoundBuffer* soundBuffer);
         ~BlackKey();
 };
 

include/config.h

@@ -1,7 +1,11 @@
 #ifndef CONFIG_H_INCLUDED
 #define CONFIG_H_INCLUDED
 
+#include <string>
+
 const int WINDOW_WIDTH = 900;
 const int WINDOW_HEIGHT = 400;
 
+const std::string soundFile = "/media/adit/HDD/GITHUB/Piano/res/sound/sound.ogg";
+
 #endif // CONFIG_H_INCLUDED

include/key.h

@@ -2,6 +2,7 @@
 #define KEY_H_INCLUDED
 
 #include <SFML/Graphics.hpp>
+#include <SFML/Audio.hpp>
 #include <iostream>
 
 class Key
@@ -10,14 +11,17 @@ class Key
         sf::RenderWindow* window;
         sf::RectangleShape* rect;
 
-        double pitch;
+        sf::Sound* sound;
+
+        int isPlaying;
 
     public:
         Key();
         ~Key();
 
         void draw();
         void play();
+        void stopPlaying();
 };
 
 #endif // KEY_H_INCLUDED

include/piano.h

@@ -1,8 +1,6 @@
 #ifndef PIANO_H_INCLUDED
 #define PIANO_H_INCLUDED
 
-#include <SFML/Graphics.hpp>
-
 #include "white_key.h"
 #include "black_key.h"
 #include "sound_config.h"
@@ -14,6 +12,9 @@ class Piano
         sf::Event event;
         sf::RectangleShape* background;
 
+        sf::SoundBuffer* soundBuffer;
+        sf::Sound* sound;
+
         WhiteKey* whiteKeys[7];
         BlackKey* blackKeys[5];
 

include/white_key.h

@@ -1,16 +1,16 @@
 #ifndef WHITE_KEY_H_INCLUDED
 #define WHITE_KEY_H_INCLUDED
 
-#include <SFML/Graphics.hpp>
-
 #include "config.h"
 #include "key.h"
 
+const sf::Color whiteKeyPressedColor(200, 200, 200);
+
 class WhiteKey : public Key
 {
     public:
         WhiteKey();
-        WhiteKey(sf::RenderWindow* renderWindow, int num, double pitchInit);
+        WhiteKey(sf::RenderWindow* renderWindow, int num, double pitchInit, sf::SoundBuffer* soundBuffer);
         ~WhiteKey();
 };
 

res/sound/sound.ogg

@@ -4,9 +4,11 @@ BlackKey::BlackKey(){
 
 }
 
-BlackKey::BlackKey(sf::RenderWindow* renderWindow, int xPos, double pitchInit){
+BlackKey::BlackKey(sf::RenderWindow* renderWindow, int xPos, double pitch, sf::SoundBuffer* soundBuffer){
     window = renderWindow;
-    pitch = pitchInit;
+
+    sound->setBuffer(*soundBuffer);
+    sound->setPitch(pitch);
 
     rect->setPosition(sf::Vector2f(xPos+10, WINDOW_HEIGHT/6));
     rect->setSize(sf::Vector2f(WINDOW_WIDTH/15-20, WINDOW_HEIGHT/2.5));

src/black_key.cpp

@@ -2,16 +2,42 @@
 
 Key::Key(){
     rect = new sf::RectangleShape();
+    sound = new sf::Sound();
+    
+    rect->setOutlineThickness(5);
+    rect->setOutlineColor(sf::Color::Black);
+    
+    isPlaying = 0;
 }
 
 Key::~Key(){
     delete rect;
+    delete sound;
 }
 
 void Key::draw(){
     window->draw(*rect);
 }
 
 void Key::play(){
-    std::cout << pitch << std::endl;
+    if (isPlaying == 0){
+        sound->play();
+        isPlaying = 2;
+
+        if (rect->getFillColor() == sf::Color::White)
+            rect->setFillColor(sf::Color(200, 200, 200));
+        else if (rect->getFillColor() == sf::Color::Black)
+            rect->setFillColor(sf::Color(50, 50, 50));
+    }
+}
+
+void Key::stopPlaying(){
+    if (rect->getFillColor() == sf::Color(200, 200, 200))
+        rect->setFillColor(sf::Color::White);
+    else if (rect->getFillColor() == sf::Color(50, 50, 50))
+        rect->setFillColor(sf::Color::Black);
+
+    isPlaying -= (isPlaying > 0) ? 1 : 0;
+    if (isPlaying == 0)
+        sound->stop();
 }

src/key.cpp

@@ -2,18 +2,24 @@
 
 Piano::Piano(){
     window = new sf::RenderWindow(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "Piano");
-    window->setFramerateLimit(10);
+    window->setFramerateLimit(20);
 
     background = new sf::RectangleShape();
     background->setPosition(sf::Vector2f(0, 0));
     background->setSize(sf::Vector2f(WINDOW_WIDTH, WINDOW_HEIGHT));
     background->setFillColor(sf::Color::Cyan);
+    
+    soundBuffer = new sf::SoundBuffer();
+    if (!soundBuffer->loadFromFile(soundFile)){
+        std::cout << "Couldn't load sound file. Exiting now.." << std::endl;
+        exit(1);
+    }
 
     for (int i=0; i<7; i++)
-        whiteKeys[i] = new WhiteKey(window, i, (frequency[i]/frequency[0]));
+        whiteKeys[i] = new WhiteKey(window, i, (frequency[i]/frequency[0]), soundBuffer);
     double xPosBlack[5] = {9.0/30.0, 11.0/30.0, 15.0/30.0, 17.0/30.0, 19.0/30.0};
     for (int i=0; i<5; i++)
-        blackKeys[i] = new BlackKey(window, WINDOW_WIDTH*xPosBlack[i], (frequency[i+7]/frequency[0]));
+        blackKeys[i] = new BlackKey(window, WINDOW_WIDTH*xPosBlack[i], (frequency[i+7]/frequency[0]), soundBuffer);
 }
 
 Piano::~Piano(){
@@ -52,26 +58,61 @@ void Piano::display(){
 void Piano::handleKeyboard(){
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num1))
         whiteKeys[0]->play();
+    else
+        whiteKeys[0]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num2))
         blackKeys[0]->play();
+    else
+        blackKeys[0]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num3))
         whiteKeys[1]->play();
+    else
+        whiteKeys[1]->stopPlaying();
+    
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num4))
         blackKeys[1]->play();
+    else
+        blackKeys[1]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num5))
         whiteKeys[2]->play();
+    else
+        whiteKeys[2]->stopPlaying();
+    
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num6))
         whiteKeys[3]->play();
+    else
+        whiteKeys[3]->stopPlaying();
+    
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num7))
         blackKeys[2]->play();
+    else
+        blackKeys[2]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num8))
         whiteKeys[4]->play();
+    else
+        whiteKeys[4]->stopPlaying();
+    
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num9))
         blackKeys[3]->play();
+    else
+        blackKeys[3]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Num0))
         whiteKeys[5]->play();
+    else
+        whiteKeys[5]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Dash))
         blackKeys[4]->play();
+    else
+        blackKeys[4]->stopPlaying();
+
     if (sf::Keyboard::isKeyPressed(sf::Keyboard::Equal))
         whiteKeys[6]->play();
+    else
+        whiteKeys[6]->stopPlaying();
 }

src/piano.cpp

@@ -4,15 +4,15 @@ WhiteKey::WhiteKey(){
 
 }
 
-WhiteKey::WhiteKey(sf::RenderWindow* renderWindow, int num, double pitchInit){
+WhiteKey::WhiteKey(sf::RenderWindow* renderWindow, int num, double pitch, sf::SoundBuffer* soundBuffer){
     window = renderWindow;
-    pitch = pitchInit;
+
+    sound->setBuffer(*soundBuffer);
+    sound->setPitch(pitch);
 
     rect->setPosition(sf::Vector2f((num+4)*WINDOW_WIDTH/15, WINDOW_HEIGHT/3));
     rect->setSize(sf::Vector2f(WINDOW_WIDTH/15, WINDOW_HEIGHT/2));
     rect->setFillColor(sf::Color::White);
-    rect->setOutlineThickness(5);
-    rect->setOutlineColor(sf::Color::Black);
 }
 
 WhiteKey::~WhiteKey(){