| /******************************************************************************************* | |
| * | |
| *   raylib [audio] example - Module playing (streaming) | |
| * | |
| *   Example originally created with raylib 1.5, last time updated with raylib 3.5 | |
| * | |
| *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, | |
| *   BSD-like license that allows static linking with closed source software | |
| * | |
| *   Copyright (c) 2016-2023 Ramon Santamaria (@raysan5) | |
| * | |
| ********************************************************************************************/ | |
| 
 | |
| #include "raylib.h" | |
|  | |
| #define MAX_CIRCLES  64 | |
|  | |
| typedef struct { | |
|     Vector2 position; | |
|     float radius; | |
|     float alpha; | |
|     float speed; | |
|     Color color; | |
| } CircleWave; | |
| 
 | |
| //------------------------------------------------------------------------------------ | |
| // Program main entry point | |
| //------------------------------------------------------------------------------------ | |
| int main(void) | |
| { | |
|     // Initialization | |
|     //-------------------------------------------------------------------------------------- | |
|     const int screenWidth = 800; | |
|     const 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 some circles for visual effect | |
|     CircleWave circles[MAX_CIRCLES] = { 0 }; | |
| 
 | |
|     for (int i = MAX_CIRCLES - 1; i >= 0; i--) | |
|     { | |
|         circles[i].alpha = 0.0f; | |
|         circles[i].radius = (float)GetRandomValue(10, 40); | |
|         circles[i].position.x = (float)GetRandomValue((int)circles[i].radius, (int)(screenWidth - circles[i].radius)); | |
|         circles[i].position.y = (float)GetRandomValue((int)circles[i].radius, (int)(screenHeight - circles[i].radius)); | |
|         circles[i].speed = (float)GetRandomValue(1, 100)/2000.0f; | |
|         circles[i].color = colors[GetRandomValue(0, 13)]; | |
|     } | |
| 
 | |
|     Music music = LoadMusicStream("resources/mini1111.xm"); | |
|     music.looping = false; | |
|     float pitch = 1.0f; | |
| 
 | |
|     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 = false; | |
|         } | |
| 
 | |
|         // Pause/Resume music playing | |
|         if (IsKeyPressed(KEY_P)) | |
|         { | |
|             pause = !pause; | |
| 
 | |
|             if (pause) PauseMusicStream(music); | |
|             else ResumeMusicStream(music); | |
|         } | |
| 
 | |
|         if (IsKeyDown(KEY_DOWN)) pitch -= 0.01f; | |
|         else if (IsKeyDown(KEY_UP)) pitch += 0.01f; | |
| 
 | |
|         SetMusicPitch(music, pitch); | |
| 
 | |
|         // Get timePlayed scaled to bar dimensions | |
|         timePlayed = GetMusicTimePlayed(music)/GetMusicTimeLength(music)*(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 = (float)GetRandomValue(10, 40); | |
|                 circles[i].position.x = (float)GetRandomValue((int)circles[i].radius, (int)(screenWidth - circles[i].radius)); | |
|                 circles[i].position.y = (float)GetRandomValue((int)circles[i].radius, (int)(screenHeight - circles[i].radius)); | |
|                 circles[i].color = colors[GetRandomValue(0, 13)]; | |
|                 circles[i].speed = (float)GetRandomValue(1, 100)/2000.0f; | |
|             } | |
|         } | |
|         //---------------------------------------------------------------------------------- | |
|  | |
|         // 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); | |
| 
 | |
|             // Draw help instructions | |
|             DrawRectangle(20, 20, 425, 145, WHITE); | |
|             DrawRectangleLines(20, 20, 425, 145, GRAY); | |
|             DrawText("PRESS SPACE TO RESTART MUSIC", 40, 40, 20, BLACK); | |
|             DrawText("PRESS P TO PAUSE/RESUME", 40, 70, 20, BLACK); | |
|             DrawText("PRESS UP/DOWN TO CHANGE SPEED", 40, 100, 20, BLACK); | |
|             DrawText(TextFormat("SPEED: %f", pitch), 40, 130, 20, MAROON); | |
| 
 | |
|         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; | |
| }
 |