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144 lines
5.1 KiB
144 lines
5.1 KiB
/*******************************************************************************************
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*
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* raylib [audio] example - music stream
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*
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* Example complexity rating: [★☆☆☆] 1/4
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*
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* Example originally created with raylib 1.3, last time updated with raylib 4.2
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2015-2025 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [audio] example - music stream");
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InitAudioDevice(); // Initialize audio device
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Music music = LoadMusicStream("resources/country.mp3");
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PlayMusicStream(music);
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float timePlayed = 0.0f; // Time played normalized [0.0f..1.0f]
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bool pause = false; // Music playing paused
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float pan = 0.0f; // Default audio pan center [-1.0f..1.0f]
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SetMusicPan(music, pan);
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float volume = 0.8f; // Default audio volume [0.0f..1.0f]
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SetMusicVolume(music, volume);
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SetTargetFPS(30); // Set our game to run at 30 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateMusicStream(music); // Update music buffer with new stream data
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// Restart music playing (stop and play)
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if (IsKeyPressed(KEY_SPACE))
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{
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StopMusicStream(music);
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PlayMusicStream(music);
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}
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// Pause/Resume music playing
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if (IsKeyPressed(KEY_P))
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{
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pause = !pause;
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if (pause) PauseMusicStream(music);
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else ResumeMusicStream(music);
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}
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// Set audio pan
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if (IsKeyDown(KEY_LEFT))
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{
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pan -= 0.05f;
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if (pan < -1.0f) pan = -1.0f;
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SetMusicPan(music, pan);
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}
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else if (IsKeyDown(KEY_RIGHT))
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{
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pan += 0.05f;
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if (pan > 1.0f) pan = 1.0f;
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SetMusicPan(music, pan);
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}
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// Set audio volume
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if (IsKeyDown(KEY_DOWN))
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{
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volume -= 0.05f;
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if (volume < 0.0f) volume = 0.0f;
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SetMusicVolume(music, volume);
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}
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else if (IsKeyDown(KEY_UP))
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{
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volume += 0.05f;
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if (volume > 1.0f) volume = 1.0f;
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SetMusicVolume(music, volume);
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}
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// Get normalized time played for current music stream
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timePlayed = GetMusicTimePlayed(music)/GetMusicTimeLength(music);
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if (timePlayed > 1.0f) timePlayed = 1.0f; // Make sure time played is no longer than music
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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DrawText("MUSIC SHOULD BE PLAYING!", 255, 150, 20, LIGHTGRAY);
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DrawText("LEFT-RIGHT for PAN CONTROL", 320, 74, 10, DARKBLUE);
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DrawRectangle(300, 100, 200, 12, LIGHTGRAY);
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DrawRectangleLines(300, 100, 200, 12, GRAY);
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DrawRectangle(300 + (pan + 1.0)/2.0f*200 - 5, 92, 10, 28, DARKGRAY);
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DrawRectangle(200, 200, 400, 12, LIGHTGRAY);
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DrawRectangle(200, 200, (int)(timePlayed*400.0f), 12, MAROON);
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DrawRectangleLines(200, 200, 400, 12, GRAY);
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DrawText("PRESS SPACE TO RESTART MUSIC", 215, 250, 20, LIGHTGRAY);
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DrawText("PRESS P TO PAUSE/RESUME MUSIC", 208, 280, 20, LIGHTGRAY);
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DrawText("UP-DOWN for VOLUME CONTROL", 320, 334, 10, DARKGREEN);
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DrawRectangle(300, 360, 200, 12, LIGHTGRAY);
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DrawRectangleLines(300, 360, 200, 12, GRAY);
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DrawRectangle(300 + volume*200 - 5, 352, 10, 28, DARKGRAY);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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UnloadMusicStream(music); // Unload music stream buffers from RAM
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CloseAudioDevice(); // Close audio device (music streaming is automatically stopped)
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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