Reorganize examples folder

examples/audio/audio_module_playing.c

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Module playing (streaming)
+*
+*   NOTE: This example requires OpenAL Soft library installed
+*
+*   This example has been created using raylib 1.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2016 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define MAX_CIRCLES  64
+
+typedef struct {
+    Vector2 position;
+    float radius;
+    float alpha;
+    float speed;
+    Color color;
+} CircleWave;
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    SetConfigFlags(FLAG_MSAA_4X_HINT);      // NOTE: Try to enable MSAA 4X
+    
+    InitWindow(screenWidth, screenHeight, "raylib [audio] example - module playing (streaming)");
+
+    InitAudioDevice();              // Initialize audio device
+    
+    Color colors[14] = { ORANGE, RED, GOLD, LIME, BLUE, VIOLET, BROWN, LIGHTGRAY, PINK,
+                         YELLOW, GREEN, SKYBLUE, PURPLE, BEIGE };
+    
+    // Creates ome circles for visual effect
+    CircleWave circles[MAX_CIRCLES];
+    
+    for (int i = MAX_CIRCLES - 1; i >= 0; i--)
+    {
+        circles[i].alpha = 0.0f;
+        circles[i].radius = GetRandomValue(10, 40);
+        circles[i].position.x = GetRandomValue(circles[i].radius, screenWidth - circles[i].radius);
+        circles[i].position.y = GetRandomValue(circles[i].radius, screenHeight - circles[i].radius);
+        circles[i].speed = (float)GetRandomValue(1, 100)/20000.0f;
+        circles[i].color = colors[GetRandomValue(0, 13)];
+    }
+
+    Music xm = LoadMusicStream("resources/audio/mini1111.xm");
+    
+    PlayMusicStream(xm);
+
+    float timePlayed = 0.0f;
+    bool pause = false;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateMusicStream(xm);        // Update music buffer with new stream data
+        
+        // Restart music playing (stop and play)
+        if (IsKeyPressed(KEY_SPACE)) 
+        {
+            StopMusicStream(xm);
+            PlayMusicStream(xm);
+        }
+        
+        // Pause/Resume music playing 
+        if (IsKeyPressed(KEY_P))
+        {
+            pause = !pause;
+            
+            if (pause) PauseMusicStream(xm);
+            else ResumeMusicStream(xm);
+        }
+        
+        // Get timePlayed scaled to bar dimensions
+        timePlayed = GetMusicTimePlayed(xm)/GetMusicTimeLength(xm)*(screenWidth - 40);
+        
+        // Color circles animation
+        for (int i = MAX_CIRCLES - 1; (i >= 0) && !pause; i--)
+        {
+            circles[i].alpha += circles[i].speed;
+            circles[i].radius += circles[i].speed*10.0f;
+            
+            if (circles[i].alpha > 1.0f) circles[i].speed *= -1;
+            
+            if (circles[i].alpha <= 0.0f)
+            {
+                circles[i].alpha = 0.0f;
+                circles[i].radius = GetRandomValue(10, 40);
+                circles[i].position.x = GetRandomValue(circles[i].radius, screenWidth - circles[i].radius);
+                circles[i].position.y = GetRandomValue(circles[i].radius, screenHeight - circles[i].radius);
+                circles[i].color = colors[GetRandomValue(0, 13)];
+                circles[i].speed = (float)GetRandomValue(1, 100)/20000.0f;
+            }
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+            
+            for (int i = MAX_CIRCLES - 1; i >= 0; i--)
+            {
+                DrawCircleV(circles[i].position, circles[i].radius, Fade(circles[i].color, circles[i].alpha));
+            }
+            
+            // Draw time bar
+            DrawRectangle(20, screenHeight - 20 - 12, screenWidth - 40, 12, LIGHTGRAY);
+            DrawRectangle(20, screenHeight - 20 - 12, (int)timePlayed, 12, MAROON);
+            DrawRectangleLines(20, screenHeight - 20 - 12, screenWidth - 40, 12, GRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadMusicStream(xm);          // Unload music stream buffers from RAM
+    
+    CloseAudioDevice();     // Close audio device (music streaming is automatically stopped)
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/audio/audio_music_stream.c

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Music playing (streaming)
+*
+*   NOTE: This example requires OpenAL Soft library installed
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [audio] example - music playing (streaming)");
+
+    InitAudioDevice();              // Initialize audio device
+
+    Music music = LoadMusicStream("resources/audio/guitar_noodling.ogg");
+    
+    PlayMusicStream(music);
+
+    float timePlayed = 0.0f;
+    bool pause = false;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        UpdateMusicStream(music);        // Update music buffer with new stream data
+        
+        // Restart music playing (stop and play)
+        if (IsKeyPressed(KEY_SPACE)) 
+        {
+            StopMusicStream(music);
+            PlayMusicStream(music);
+        }
+        
+        // Pause/Resume music playing 
+        if (IsKeyPressed(KEY_P))
+        {
+            pause = !pause;
+            
+            if (pause) PauseMusicStream(music);
+            else ResumeMusicStream(music);
+        }
+        
+        // Get timePlayed scaled to bar dimensions (400 pixels)
+        timePlayed = GetMusicTimePlayed(music)/GetMusicTimeLength(music)*400;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("MUSIC SHOULD BE PLAYING!", 255, 150, 20, LIGHTGRAY);
+
+            DrawRectangle(200, 200, 400, 12, LIGHTGRAY);
+            DrawRectangle(200, 200, (int)timePlayed, 12, MAROON);
+            DrawRectangleLines(200, 200, 400, 12, GRAY);
+            
+            DrawText("PRESS SPACE TO RESTART MUSIC", 215, 250, 20, LIGHTGRAY);
+            DrawText("PRESS P TO PAUSE/RESUME MUSIC", 208, 280, 20, LIGHTGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadMusicStream(music);   // Unload music stream buffers from RAM
+
+    CloseAudioDevice();         // Close audio device (music streaming is automatically stopped)
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/audio/audio_raw_stream.c

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Raw audio streaming
+*
+*   NOTE: This example requires OpenAL Soft library installed
+*
+*   This example has been created using raylib 1.6 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>         // Required for: malloc(), free()
+#include <math.h>           // Required for: sinf()
+
+#define MAX_SAMPLES             22050
+#define MAX_SAMPLES_PER_UPDATE   4096
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [audio] example - raw audio streaming");
+
+    InitAudioDevice();              // Initialize audio device
+
+    // Init raw audio stream (sample rate: 22050, sample size: 16bit-short, channels: 1-mono)
+    AudioStream stream = InitAudioStream(22050, 16, 1);
+    
+    // Generate samples data from sine wave
+    short *data = (short *)malloc(sizeof(short)*MAX_SAMPLES);
+    
+    // TODO: Review data generation, it seems data is discontinued for loop,
+    // for that reason, there is a clip everytime audio stream is looped...
+    for (int i = 0; i < MAX_SAMPLES; i++)
+    {
+        data[i] = (short)(sinf(((2*PI*(float)i)/2)*DEG2RAD)*32000);
+    }
+    
+    PlayAudioStream(stream);        // Start processing stream buffer (no data loaded currently)
+    
+    int totalSamples = MAX_SAMPLES;
+    int samplesLeft = totalSamples;
+    
+    Vector2 position = { 0, 0 };
+
+    SetTargetFPS(30);               // Set our game to run at 30 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        
+        // Refill audio stream if required
+        // NOTE: Every update we check if stream data has been already consumed and we update
+        // buffer with new data from the generated samples, we upload data at a rate (MAX_SAMPLES_PER_UPDATE),
+        // but notice that at some point we update < MAX_SAMPLES_PER_UPDATE data...
+        if (IsAudioBufferProcessed(stream)) 
+        {
+            int numSamples = 0;
+            if (samplesLeft >= MAX_SAMPLES_PER_UPDATE) numSamples = MAX_SAMPLES_PER_UPDATE;
+            else numSamples = samplesLeft;
+
+            UpdateAudioStream(stream, data + (totalSamples - samplesLeft), numSamples);
+            
+            samplesLeft -= numSamples;
+            
+            // Reset samples feeding (loop audio)
+            if (samplesLeft <= 0) samplesLeft = totalSamples;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("SINE WAVE SHOULD BE PLAYING!", 240, 140, 20, LIGHTGRAY);
+            
+            // NOTE: Draw a part of the sine wave (only screen width, proportional values)
+            for (int i = 0; i < GetScreenWidth(); i++)
+            {
+                position.x = i;
+                position.y = 250 + 50*data[i]/32000;
+                
+                DrawPixelV(position, RED);
+            }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    free(data);                 // Unload sine wave data
+    
+    CloseAudioStream(stream);   // Close raw audio stream and delete buffers from RAM
+
+    CloseAudioDevice();         // Close audio device (music streaming is automatically stopped)
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/audio/audio_sound_loading.c

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+/*******************************************************************************************
+*
+*   raylib [audio] example - Sound loading and playing
+*
+*   NOTE: This example requires OpenAL Soft library installed
+*
+*   This example has been created using raylib 1.0 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2014 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [audio] example - sound loading and playing");
+
+    InitAudioDevice();      // Initialize audio device
+
+    Sound fxWav = LoadSound("resources/audio/sound.wav");         // Load WAV audio file
+    Sound fxOgg = LoadSound("resources/audio/tanatana.ogg");      // Load OGG audio file
+    
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KEY_SPACE)) PlaySound(fxWav);      // Play WAV sound
+        if (IsKeyPressed(KEY_ENTER)) PlaySound(fxOgg);      // Play OGG sound
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("Press SPACE to PLAY the WAV sound!", 200, 180, 20, LIGHTGRAY);
+
+            DrawText("Press ENTER to PLAY the OGG sound!", 200, 220, 20, LIGHTGRAY);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadSound(fxWav);     // Unload sound data
+    UnloadSound(fxOgg);     // Unload sound data
+
+    CloseAudioDevice();     // Close audio device
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}