rayjs/examples/audio/audio_music_stream.js

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2023-05-25 21:12:11 +00:00
/*******************************************************************************************
*
* raylib [audio] example - Music playing (streaming)
*
* Example originally created with raylib 1.3, last time updated with raylib 4.0
*
* 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) 2015-2023 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
// Initialization
//--------------------------------------------------------------------------------------
const screenWidth = 800;
const screenHeight = 450;
initWindow(screenWidth, screenHeight, "raylib [audio] example - music playing (streaming)");
initAudioDevice(); // Initialize audio device
const music = loadMusicStream("resources/country.mp3");
playMusicStream(music);
let timePlayed = 0.0; // Time played normalized [0.0f..1.0f]
let pause = false; // Music playing paused
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
//----------------------------------------------------------------------------------
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 normalized time played for current music stream
timePlayed = getMusicTimePlayed(music)/getMusicTimeLength(music);
if (timePlayed > 1.0) timePlayed = 1.0; // Make sure time played is no longer than music
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
beginDrawing();
clearBackground(RAYWHITE);
drawText("MUSIC SHOULD BE PLAYING!", 255, 150, 20, LIGHTGRAY);
drawRectangle(200, 200, 400, 12, LIGHTGRAY);
drawRectangle(200, 200, (timePlayed*400.0), 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
//--------------------------------------------------------------------------------------